From 639df402c4925acd3ea7bebff729a535e3f79964 Mon Sep 17 00:00:00 2001 From: Evgeniy Stepanov Date: Fri, 6 Sep 2013 14:20:01 +0000 Subject: [sanitizer] A bunch of linux system call handlers. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@190157 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/asan/lit_tests/TestCases/Linux/syscalls.cc | 2 +- lib/msan/lit_tests/Linux/syscalls.cc | 13 + lib/sanitizer_common/CMakeLists.txt | 1 + lib/sanitizer_common/sanitizer_common_syscalls.inc | 2639 +++++++++++++++++++- .../sanitizer_platform_limits_linux.cc | 47 + .../sanitizer_platform_limits_posix.cc | 39 +- .../sanitizer_platform_limits_posix.h | 41 + 7 files changed, 2709 insertions(+), 73 deletions(-) create mode 100644 lib/sanitizer_common/sanitizer_platform_limits_linux.cc (limited to 'lib') diff --git a/lib/asan/lit_tests/TestCases/Linux/syscalls.cc b/lib/asan/lit_tests/TestCases/Linux/syscalls.cc index b1ffe636f..4bcbe4461 100644 --- a/lib/asan/lit_tests/TestCases/Linux/syscalls.cc +++ b/lib/asan/lit_tests/TestCases/Linux/syscalls.cc @@ -17,6 +17,6 @@ int main(int argc, char *argv[]) { __sanitizer_syscall_pre_recvmsg(0, buf - 1, 0); // CHECK: AddressSanitizer: stack-buffer-{{.*}}erflow // CHECK: READ of size {{.*}} at {{.*}} thread T0 - // CHECK: #0 {{.*}} in __sanitizer_syscall_pre_recvmsg + // CHECK: #0 {{.*}} in __sanitizer_syscall{{.*}}recvmsg return 0; } diff --git a/lib/msan/lit_tests/Linux/syscalls.cc b/lib/msan/lit_tests/Linux/syscalls.cc index afab18dba..962fba3eb 100644 --- a/lib/msan/lit_tests/Linux/syscalls.cc +++ b/lib/msan/lit_tests/Linux/syscalls.cc @@ -7,6 +7,8 @@ #include #include +#include + #include #include @@ -16,6 +18,7 @@ int main(int argc, char *argv[]) { char buf[1000]; const int kTen = 10; + const int kFortyTwo = 42; memset(buf, 0, sizeof(buf)); __msan_unpoison(buf, sizeof(buf)); __sanitizer_syscall_pre_recvmsg(0, buf, 0); @@ -63,6 +66,16 @@ int main(int argc, char *argv[]) { __msan_poison(buf, sizeof(buf)); __sanitizer_syscall_post_read(5, 42, buf, 10); assert(__msan_test_shadow(buf, sizeof(buf)) == 5); + + __msan_poison(buf, sizeof(buf)); + __sanitizer_syscall_post_newfstatat(0, 5, "/path/to/file", buf, 0); + assert(__msan_test_shadow(buf, sizeof(buf)) == sizeof(struct stat)); + + __msan_poison(buf, sizeof(buf)); + int prio = 0; + __sanitizer_syscall_post_mq_timedreceive(kFortyTwo, 5, buf, sizeof(buf), &prio, 0); + assert(__msan_test_shadow(buf, sizeof(buf)) == kFortyTwo); + assert(__msan_test_shadow(&prio, sizeof(prio)) == -1); return 0; } diff --git a/lib/sanitizer_common/CMakeLists.txt b/lib/sanitizer_common/CMakeLists.txt index 3b4ce2217..93e3a84cd 100644 --- a/lib/sanitizer_common/CMakeLists.txt +++ b/lib/sanitizer_common/CMakeLists.txt @@ -8,6 +8,7 @@ set(SANITIZER_SOURCES sanitizer_libc.cc sanitizer_linux.cc sanitizer_mac.cc + sanitizer_platform_limits_linux.cc sanitizer_platform_limits_posix.cc sanitizer_posix.cc sanitizer_printf.cc diff --git a/lib/sanitizer_common/sanitizer_common_syscalls.inc b/lib/sanitizer_common/sanitizer_common_syscalls.inc index 1b32187cb..f8fc97924 100644 --- a/lib/sanitizer_common/sanitizer_common_syscalls.inc +++ b/lib/sanitizer_common/sanitizer_common_syscalls.inc @@ -27,16 +27,22 @@ // and are now initialized. //===----------------------------------------------------------------------===// +#include "sanitizer_platform.h" +#if SANITIZER_LINUX + +#include "sanitizer_libc.h" + #define PRE_SYSCALL(name) \ - SANITIZER_INTERFACE_ATTRIBUTE void __sanitizer_syscall_pre_##name + SANITIZER_INTERFACE_ATTRIBUTE void __sanitizer_syscall_pre_impl_##name #define PRE_READ(p, s) COMMON_SYSCALL_PRE_READ_RANGE(p, s) #define PRE_WRITE(p, s) COMMON_SYSCALL_PRE_WRITE_RANGE(p, s) #define POST_SYSCALL(name) \ - SANITIZER_INTERFACE_ATTRIBUTE void __sanitizer_syscall_post_##name + SANITIZER_INTERFACE_ATTRIBUTE void __sanitizer_syscall_post_impl_##name #define POST_READ(p, s) COMMON_SYSCALL_POST_READ_RANGE(p, s) #define POST_WRITE(p, s) COMMON_SYSCALL_POST_WRITE_RANGE(p, s) + // FIXME: do some kind of PRE_READ for all syscall arguments (int(s) and such). extern "C" { @@ -55,6 +61,11 @@ struct sanitizer_kernel_msghdr { unsigned msg_flags; }; +struct sanitizer_kernel_mmsghdr { + struct sanitizer_kernel_msghdr msg_hdr; + unsigned msg_len; +}; + struct sanitizer_kernel_timespec { long tv_sec; long tv_nsec; @@ -70,122 +81,2608 @@ struct sanitizer_kernel_rusage { long ru_long[14]; }; -PRE_SYSCALL(recvmsg)(int sockfd, struct sanitizer_kernel_msghdr *msg, - int flags) { +struct sanitizer_kernel_sockaddr { + unsigned short sa_family; + char sa_data[14]; +}; + +// Real sigset size is always passed as a syscall argument. +// Declare it "void" to catch sizeof(kernel_sigset_t). +typedef void kernel_sigset_t; + +static void kernel_write_iovec(const __sanitizer_iovec *iovec, + SIZE_T iovlen, SIZE_T maxlen) { + for (SIZE_T i = 0; i < iovlen && maxlen; ++i) { + SSIZE_T sz = Min(iovec[i].iov_len, maxlen); + POST_WRITE(iovec[i].iov_base, sz); + maxlen -= sz; + } +} + +// This functions uses POST_READ, because it needs to run after syscall to know +// the real read range. +static void kernel_read_iovec(const __sanitizer_iovec *iovec, + SIZE_T iovlen, SIZE_T maxlen) { + POST_READ(iovec, sizeof(*iovec) * iovlen); + for (SIZE_T i = 0; i < iovlen && maxlen; ++i) { + SSIZE_T sz = Min(iovec[i].iov_len, maxlen); + POST_READ(iovec[i].iov_base, sz); + maxlen -= sz; + } +} + +PRE_SYSCALL(recvmsg)(long sockfd, sanitizer_kernel_msghdr *msg, long flags) { PRE_READ(msg, sizeof(*msg)); } -POST_SYSCALL(recvmsg)(long res, int sockfd, struct sanitizer_kernel_msghdr *msg, - int flags) { - if (res > 0) - for (unsigned long i = 0; i < msg->msg_iovlen; ++i) { - POST_WRITE(msg->msg_iov[i].iov_base, msg->msg_iov[i].iov_len); +POST_SYSCALL(recvmsg)(long res, long sockfd, sanitizer_kernel_msghdr *msg, + long flags) { + if (res >= 0) { + if (msg) { + for (unsigned long i = 0; i < msg->msg_iovlen; ++i) { + POST_WRITE(msg->msg_iov[i].iov_base, msg->msg_iov[i].iov_len); + } + POST_WRITE(msg->msg_control, msg->msg_controllen); } - POST_WRITE(msg->msg_control, msg->msg_controllen); + } } -PRE_SYSCALL(rt_sigpending)(void *p, unsigned long s) { PRE_WRITE(p, s); } +PRE_SYSCALL(recvmmsg)(long fd, sanitizer_kernel_mmsghdr *msg, long vlen, + long flags, void *timeout) { + PRE_READ(msg, vlen * sizeof(*msg)); +} -POST_SYSCALL(rt_sigpending)(long res, void *p, unsigned long s) { - if (res == 0) { - POST_WRITE(p, s); +POST_SYSCALL(recvmmsg)(long res, long fd, sanitizer_kernel_mmsghdr *msg, + long vlen, long flags, void *timeout) { + if (res >= 0) { + if (msg) { + for (unsigned long i = 0; i < msg->msg_hdr.msg_iovlen; ++i) { + POST_WRITE(msg->msg_hdr.msg_iov[i].iov_base, + msg->msg_hdr.msg_iov[i].iov_len); + } + POST_WRITE(msg->msg_hdr.msg_control, msg->msg_hdr.msg_controllen); + POST_WRITE(&msg->msg_len, sizeof(msg->msg_len)); + } + if (timeout) POST_WRITE(timeout, struct_timespec_sz); } } -PRE_SYSCALL(getdents)(int fd, void *dirp, int count) { PRE_WRITE(dirp, count); } +PRE_SYSCALL(read)(long fd, void *buf, uptr count) { + if (buf) { + PRE_WRITE(buf, count); + } +} -POST_SYSCALL(getdents)(long res, int fd, void *dirp, int count) { - if (res > 0) { - POST_WRITE(dirp, res); +POST_SYSCALL(read)(long res, long fd, void *buf, uptr count) { + if (res > 0 && buf) { + POST_WRITE(buf, res); } } -PRE_SYSCALL(getdents64)(int fd, void *dirp, int count) { - PRE_WRITE(dirp, count); +PRE_SYSCALL(time)(void *tloc) {} + +POST_SYSCALL(time)(long res, void *tloc) { + if (res >= 0) { + if (tloc) POST_WRITE(tloc, sizeof(long)); + } } -POST_SYSCALL(getdents64)(long res, int fd, void *dirp, int count) { - if (res > 0) { - POST_WRITE(dirp, res); +PRE_SYSCALL(stime)(void *tptr) {} + +POST_SYSCALL(stime)(long res, void *tptr) { + if (res >= 0) { + if (tptr) POST_WRITE(tptr, sizeof(long)); } } -PRE_SYSCALL(wait4)(int pid, int *status, int options, - struct sanitizer_kernel_rusage *r) { - if (status) { - PRE_WRITE(status, sizeof(*status)); +PRE_SYSCALL(gettimeofday)(void *tv, void *tz) {} + +POST_SYSCALL(gettimeofday)(long res, void *tv, void *tz) { + if (res >= 0) { + if (tv) POST_WRITE(tv, timeval_sz); + if (tz) POST_WRITE(tz, struct_timezone_sz); } - if (r) { - PRE_WRITE(r, sizeof(*r)); +} + +PRE_SYSCALL(settimeofday)(void *tv, void *tz) {} + +POST_SYSCALL(settimeofday)(long res, void *tv, void *tz) { + if (res >= 0) { + if (tv) POST_WRITE(tv, timeval_sz); + if (tz) POST_WRITE(tz, struct_timezone_sz); } } -POST_SYSCALL(wait4)(long res, int pid, int *status, int options, - struct sanitizer_kernel_rusage *r) { - if (res > 0) { - if (status) { - POST_WRITE(status, sizeof(*status)); - } - if (r) { - POST_WRITE(r, sizeof(*r)); - } +PRE_SYSCALL(adjtimex)(void *txc_p) {} + +POST_SYSCALL(adjtimex)(long res, void *txc_p) { + if (res >= 0) { + if (txc_p) POST_WRITE(txc_p, struct_timex_sz); + } +} + +PRE_SYSCALL(times)(void *tbuf) {} + +POST_SYSCALL(times)(long res, void *tbuf) { + if (res >= 0) { + if (tbuf) POST_WRITE(tbuf, struct_tms_sz); + } +} + +PRE_SYSCALL(gettid)() {} + +POST_SYSCALL(gettid)(long res) {} + +PRE_SYSCALL(nanosleep)(void *rqtp, void *rmtp) {} + +POST_SYSCALL(nanosleep)(long res, void *rqtp, void *rmtp) { + if (res >= 0) { + if (rqtp) POST_WRITE(rqtp, struct_timespec_sz); + if (rmtp) POST_WRITE(rmtp, struct_timespec_sz); + } +} + +PRE_SYSCALL(alarm)(long seconds) {} + +POST_SYSCALL(alarm)(long res, long seconds) {} + +PRE_SYSCALL(getpid)() {} + +POST_SYSCALL(getpid)(long res) {} + +PRE_SYSCALL(getppid)() {} + +POST_SYSCALL(getppid)(long res) {} + +PRE_SYSCALL(getuid)() {} + +POST_SYSCALL(getuid)(long res) {} + +PRE_SYSCALL(geteuid)() {} + +POST_SYSCALL(geteuid)(long res) {} + +PRE_SYSCALL(getgid)() {} + +POST_SYSCALL(getgid)(long res) {} + +PRE_SYSCALL(getegid)() {} + +POST_SYSCALL(getegid)(long res) {} + +PRE_SYSCALL(getresuid)(void *ruid, void *euid, void *suid) {} + +POST_SYSCALL(getresuid)(long res, void *ruid, void *euid, void *suid) { + if (res >= 0) { + if (ruid) POST_WRITE(ruid, sizeof(unsigned)); + if (euid) POST_WRITE(euid, sizeof(unsigned)); + if (suid) POST_WRITE(suid, sizeof(unsigned)); + } +} + +PRE_SYSCALL(getresgid)(void *rgid, void *egid, void *sgid) {} + +POST_SYSCALL(getresgid)(long res, void *rgid, void *egid, void *sgid) { + if (res >= 0) { + if (rgid) POST_WRITE(rgid, sizeof(unsigned)); + if (egid) POST_WRITE(egid, sizeof(unsigned)); + if (sgid) POST_WRITE(sgid, sizeof(unsigned)); + } +} + +PRE_SYSCALL(getpgid)(long pid) {} + +POST_SYSCALL(getpgid)(long res, long pid) {} + +PRE_SYSCALL(getpgrp)() {} + +POST_SYSCALL(getpgrp)(long res) {} + +PRE_SYSCALL(getsid)(long pid) {} + +POST_SYSCALL(getsid)(long res, long pid) {} + +PRE_SYSCALL(getgroups)(long gidsetsize, void *grouplist) {} + +POST_SYSCALL(getgroups)(long res, long gidsetsize, __kernel_gid_t *grouplist) { + if (res >= 0) { + if (grouplist) POST_WRITE(grouplist, res * sizeof(*grouplist)); } } -PRE_SYSCALL(waitpid)(int pid, int *status, int options) { - if (status) { - PRE_WRITE(status, sizeof(*status)); +PRE_SYSCALL(setregid)(long rgid, long egid) {} + +POST_SYSCALL(setregid)(long res, long rgid, long egid) {} + +PRE_SYSCALL(setgid)(long gid) {} + +POST_SYSCALL(setgid)(long res, long gid) {} + +PRE_SYSCALL(setreuid)(long ruid, long euid) {} + +POST_SYSCALL(setreuid)(long res, long ruid, long euid) {} + +PRE_SYSCALL(setuid)(long uid) {} + +POST_SYSCALL(setuid)(long res, long uid) {} + +PRE_SYSCALL(setresuid)(long ruid, long euid, long suid) {} + +POST_SYSCALL(setresuid)(long res, long ruid, long euid, long suid) {} + +PRE_SYSCALL(setresgid)(long rgid, long egid, long sgid) {} + +POST_SYSCALL(setresgid)(long res, long rgid, long egid, long sgid) {} + +PRE_SYSCALL(setfsuid)(long uid) {} + +POST_SYSCALL(setfsuid)(long res, long uid) {} + +PRE_SYSCALL(setfsgid)(long gid) {} + +POST_SYSCALL(setfsgid)(long res, long gid) {} + +PRE_SYSCALL(setpgid)(long pid, long pgid) {} + +POST_SYSCALL(setpgid)(long res, long pid, long pgid) {} + +PRE_SYSCALL(setsid)() {} + +POST_SYSCALL(setsid)(long res) {} + +PRE_SYSCALL(setgroups)(long gidsetsize, __kernel_gid_t *grouplist) { + if (grouplist) POST_WRITE(grouplist, gidsetsize * sizeof(*grouplist)); +} + +POST_SYSCALL(setgroups)(long res, long gidsetsize, __kernel_gid_t *grouplist) {} + +PRE_SYSCALL(acct)(const void *name) { + if (name) + PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); +} + +POST_SYSCALL(acct)(long res, const void *name) {} + +PRE_SYSCALL(capget)(void *header, void *dataptr) {} + +POST_SYSCALL(capget)(long res, void *header, void *dataptr) { + if (res >= 0) { + if (header) POST_WRITE(header, __user_cap_header_struct_sz); + if (dataptr) POST_WRITE(dataptr, __user_cap_data_struct_sz); } } -POST_SYSCALL(waitpid)(long res, int pid, int *status, int options) { - if (res > 0 && status) { - POST_WRITE(status, sizeof(*status)); +PRE_SYSCALL(capset)(void *header, const void *data) { + if (data) PRE_READ(data, __user_cap_data_struct_sz); +} + +POST_SYSCALL(capset)(long res, void *header, const void *data) { + if (res >= 0) { + if (header) POST_WRITE(header, __user_cap_header_struct_sz); } } -PRE_SYSCALL(clock_gettime)(int clk_id, struct sanitizer_kernel_timespec *tp) { - if (tp) { - PRE_WRITE(tp, sizeof(*tp)); +PRE_SYSCALL(personality)(long personality) {} + +POST_SYSCALL(personality)(long res, long personality) {} + +PRE_SYSCALL(sigpending)(void *set) {} + +POST_SYSCALL(sigpending)(long res, void *set) { + if (res >= 0) { + if (set) POST_WRITE(set, old_sigset_t_sz); } } -POST_SYSCALL(clock_gettime)(long res, int clk_id, - struct sanitizer_kernel_timespec *tp) { - if (res == 0 && tp) { - POST_WRITE(tp, sizeof(*tp)); +PRE_SYSCALL(sigprocmask)(long how, void *set, void *oset) {} + +POST_SYSCALL(sigprocmask)(long res, long how, void *set, void *oset) { + if (res >= 0) { + if (set) POST_WRITE(set, old_sigset_t_sz); + if (oset) POST_WRITE(oset, old_sigset_t_sz); } } -PRE_SYSCALL(clock_getres)(int clk_id, struct sanitizer_kernel_timespec *tp) { - if (tp) { - PRE_WRITE(tp, sizeof(*tp)); +PRE_SYSCALL(getitimer)(long which, void *value) {} + +POST_SYSCALL(getitimer)(long res, long which, void *value) { + if (res >= 0) { + if (value) POST_WRITE(value, struct_itimerval_sz); } } -POST_SYSCALL(clock_getres)(long res, int clk_id, - struct sanitizer_kernel_timespec *tp) { - if (res == 0 && tp) { - POST_WRITE(tp, sizeof(*tp)); +PRE_SYSCALL(setitimer)(long which, void *value, void *ovalue) {} + +POST_SYSCALL(setitimer)(long res, long which, void *value, void *ovalue) { + if (res >= 0) { + if (value) POST_WRITE(value, struct_itimerval_sz); + if (ovalue) POST_WRITE(ovalue, struct_itimerval_sz); } } -PRE_SYSCALL(read)(unsigned int fd, void *buf, uptr count) { - if (buf) { - PRE_WRITE(buf, count); +PRE_SYSCALL(timer_create)(long which_clock, void *timer_event_spec, + void *created_timer_id) {} + +POST_SYSCALL(timer_create)(long res, long which_clock, void *timer_event_spec, + void *created_timer_id) { + if (res >= 0) { + if (timer_event_spec) POST_WRITE(timer_event_spec, struct_sigevent_sz); + if (created_timer_id) POST_WRITE(created_timer_id, sizeof(long)); } } -POST_SYSCALL(read)(long res, unsigned int fd, void *buf, uptr count) { - if (res > 0 && buf) { - POST_WRITE(buf, res); +PRE_SYSCALL(timer_gettime)(long timer_id, void *setting) {} + +POST_SYSCALL(timer_gettime)(long res, long timer_id, void *setting) { + if (res >= 0) { + if (setting) POST_WRITE(setting, struct_itimerspec_sz); } } -} // extern "C" -#undef PRE_SYSCALL -#undef PRE_READ -#undef PRE_WRITE -#undef POST_SYSCALL -#undef POST_READ -#undef POST_WRITE +PRE_SYSCALL(timer_getoverrun)(long timer_id) {} + +POST_SYSCALL(timer_getoverrun)(long res, long timer_id) {} + +PRE_SYSCALL(timer_settime)(long timer_id, long flags, const void *new_setting, + void *old_setting) { + if (new_setting) PRE_READ(new_setting, struct_itimerspec_sz); +} + +POST_SYSCALL(timer_settime)(long res, long timer_id, long flags, + const void *new_setting, void *old_setting) { + if (res >= 0) { + if (old_setting) POST_WRITE(old_setting, struct_itimerspec_sz); + } +} + +PRE_SYSCALL(timer_delete)(long timer_id) {} + +POST_SYSCALL(timer_delete)(long res, long timer_id) {} + +PRE_SYSCALL(clock_settime)(long which_clock, const void *tp) { + if (tp) PRE_READ(tp, struct_timespec_sz); +} + +POST_SYSCALL(clock_settime)(long res, long which_clock, const void *tp) {} + +PRE_SYSCALL(clock_gettime)(long which_clock, void *tp) {} + +POST_SYSCALL(clock_gettime)(long res, long which_clock, void *tp) { + if (res >= 0) { + if (tp) POST_WRITE(tp, struct_timespec_sz); + } +} + +PRE_SYSCALL(clock_adjtime)(long which_clock, void *tx) {} + +POST_SYSCALL(clock_adjtime)(long res, long which_clock, void *tx) { + if (res >= 0) { + if (tx) POST_WRITE(tx, struct_timex_sz); + } +} + +PRE_SYSCALL(clock_getres)(long which_clock, void *tp) {} + +POST_SYSCALL(clock_getres)(long res, long which_clock, void *tp) { + if (res >= 0) { + if (tp) POST_WRITE(tp, struct_timespec_sz); + } +} + +PRE_SYSCALL(clock_nanosleep)(long which_clock, long flags, const void *rqtp, + void *rmtp) { + if (rqtp) PRE_READ(rqtp, struct_timespec_sz); +} + +POST_SYSCALL(clock_nanosleep)(long res, long which_clock, long flags, + const void *rqtp, void *rmtp) { + if (res >= 0) { + if (rmtp) POST_WRITE(rmtp, struct_timespec_sz); + } +} + +PRE_SYSCALL(nice)(long increment) {} + +POST_SYSCALL(nice)(long res, long increment) {} + +PRE_SYSCALL(sched_setscheduler)(long pid, long policy, void *param) {} + +POST_SYSCALL(sched_setscheduler)(long res, long pid, long policy, void *param) { + if (res >= 0) { + if (param) POST_WRITE(param, struct_sched_param_sz); + } +} + +PRE_SYSCALL(sched_setparam)(long pid, void *param) { + if (param) PRE_READ(param, struct_sched_param_sz); +} + +POST_SYSCALL(sched_setparam)(long res, long pid, void *param) {} + +PRE_SYSCALL(sched_getscheduler)(long pid) {} + +POST_SYSCALL(sched_getscheduler)(long res, long pid) {} + +PRE_SYSCALL(sched_getparam)(long pid, void *param) {} + +POST_SYSCALL(sched_getparam)(long res, long pid, void *param) { + if (res >= 0) { + if (param) POST_WRITE(param, struct_sched_param_sz); + } +} + +PRE_SYSCALL(sched_setaffinity)(long pid, long len, void *user_mask_ptr) { + if (user_mask_ptr) PRE_READ(user_mask_ptr, len); +} + +POST_SYSCALL(sched_setaffinity)(long res, long pid, long len, + void *user_mask_ptr) {} + +PRE_SYSCALL(sched_getaffinity)(long pid, long len, void *user_mask_ptr) {} + +POST_SYSCALL(sched_getaffinity)(long res, long pid, long len, + void *user_mask_ptr) { + if (res >= 0) { + if (user_mask_ptr) POST_WRITE(user_mask_ptr, len); + } +} + +PRE_SYSCALL(sched_yield)() {} + +POST_SYSCALL(sched_yield)(long res) {} + +PRE_SYSCALL(sched_get_priority_max)(long policy) {} + +POST_SYSCALL(sched_get_priority_max)(long res, long policy) {} + +PRE_SYSCALL(sched_get_priority_min)(long policy) {} + +POST_SYSCALL(sched_get_priority_min)(long res, long policy) {} + +PRE_SYSCALL(sched_rr_get_interval)(long pid, void *interval) {} + +POST_SYSCALL(sched_rr_get_interval)(long res, long pid, void *interval) { + if (res >= 0) { + if (interval) POST_WRITE(interval, struct_timespec_sz); + } +} + +PRE_SYSCALL(setpriority)(long which, long who, long niceval) {} + +POST_SYSCALL(setpriority)(long res, long which, long who, long niceval) {} + +PRE_SYSCALL(getpriority)(long which, long who) {} + +POST_SYSCALL(getpriority)(long res, long which, long who) {} + +PRE_SYSCALL(shutdown)(long arg0, long arg1) {} + +POST_SYSCALL(shutdown)(long res, long arg0, long arg1) {} + +PRE_SYSCALL(reboot)(long magic1, long magic2, long cmd, void *arg) {} + +POST_SYSCALL(reboot)(long res, long magic1, long magic2, long cmd, void *arg) {} + +PRE_SYSCALL(restart_syscall)() {} + +POST_SYSCALL(restart_syscall)(long res) {} + +PRE_SYSCALL(kexec_load)(long entry, long nr_segments, void *segments, + long flags) {} + +POST_SYSCALL(kexec_load)(long res, long entry, long nr_segments, void *segments, + long flags) { + if (res >= 0) { + if (segments) POST_WRITE(segments, struct_kexec_segment_sz); + } +} + +PRE_SYSCALL(exit)(long error_code) {} + +POST_SYSCALL(exit)(long res, long error_code) {} + +PRE_SYSCALL(exit_group)(long error_code) {} + +POST_SYSCALL(exit_group)(long res, long error_code) {} + +PRE_SYSCALL(wait4)(long pid, void *stat_addr, long options, void *ru) {} + +POST_SYSCALL(wait4)(long res, long pid, void *stat_addr, long options, + void *ru) { + if (res >= 0) { + if (stat_addr) POST_WRITE(stat_addr, sizeof(int)); + if (ru) POST_WRITE(ru, struct_rusage_sz); + } +} + +PRE_SYSCALL(waitid)(long which, long pid, void *infop, long options, void *ru) { +} + +POST_SYSCALL(waitid)(long res, long which, long pid, void *infop, long options, + void *ru) { + if (res >= 0) { + if (infop) POST_WRITE(infop, siginfo_t_sz); + if (ru) POST_WRITE(ru, struct_rusage_sz); + } +} + +PRE_SYSCALL(waitpid)(long pid, void *stat_addr, long options) {} + +POST_SYSCALL(waitpid)(long res, long pid, void *stat_addr, long options) { + if (res >= 0) { + if (stat_addr) POST_WRITE(stat_addr, sizeof(int)); + } +} + +PRE_SYSCALL(set_tid_address)(void *tidptr) {} + +POST_SYSCALL(set_tid_address)(long res, void *tidptr) { + if (res >= 0) { + if (tidptr) POST_WRITE(tidptr, sizeof(int)); + } +} + +PRE_SYSCALL(init_module)(void *umod, long len, const void *uargs) { + if (uargs) + PRE_READ(uargs, __sanitizer::internal_strlen((const char *)uargs) + 1); +} + +POST_SYSCALL(init_module)(long res, void *umod, long len, const void *uargs) {} + +PRE_SYSCALL(delete_module)(const void *name_user, long flags) { + if (name_user) + PRE_READ(name_user, + __sanitizer::internal_strlen((const char *)name_user) + 1); +} + +POST_SYSCALL(delete_module)(long res, const void *name_user, long flags) {} + +PRE_SYSCALL(rt_sigprocmask)(long how, void *set, void *oset, long sigsetsize) {} + +POST_SYSCALL(rt_sigprocmask)(long res, long how, kernel_sigset_t *set, + kernel_sigset_t *oset, long sigsetsize) { + if (res >= 0) { + if (set) POST_WRITE(set, sigsetsize); + if (oset) POST_WRITE(oset, sigsetsize); + } +} + +PRE_SYSCALL(rt_sigpending)(void *set, long sigsetsize) {} + +POST_SYSCALL(rt_sigpending)(long res, kernel_sigset_t *set, long sigsetsize) { + if (res >= 0) { + if (set) POST_WRITE(set, sigsetsize); + } +} + +PRE_SYSCALL(rt_sigtimedwait)(const kernel_sigset_t *uthese, void *uinfo, + const void *uts, long sigsetsize) { + if (uthese) PRE_READ(uthese, sigsetsize); + if (uts) PRE_READ(uts, struct_timespec_sz); +} + +POST_SYSCALL(rt_sigtimedwait)(long res, const void *uthese, void *uinfo, + const void *uts, long sigsetsize) { + if (res >= 0) { + if (uinfo) POST_WRITE(uinfo, siginfo_t_sz); + } +} + +PRE_SYSCALL(rt_tgsigqueueinfo)(long tgid, long pid, long sig, void *uinfo) {} + +POST_SYSCALL(rt_tgsigqueueinfo)(long res, long tgid, long pid, long sig, + void *uinfo) { + if (res >= 0) { + if (uinfo) POST_WRITE(uinfo, siginfo_t_sz); + } +} + +PRE_SYSCALL(kill)(long pid, long sig) {} + +POST_SYSCALL(kill)(long res, long pid, long sig) {} + +PRE_SYSCALL(tgkill)(long tgid, long pid, long sig) {} + +POST_SYSCALL(tgkill)(long res, long tgid, long pid, long sig) {} + +PRE_SYSCALL(tkill)(long pid, long sig) {} + +POST_SYSCALL(tkill)(long res, long pid, long sig) {} + +PRE_SYSCALL(rt_sigqueueinfo)(long pid, long sig, void *uinfo) {} + +POST_SYSCALL(rt_sigqueueinfo)(long res, long pid, long sig, void *uinfo) { + if (res >= 0) { + if (uinfo) POST_WRITE(uinfo, siginfo_t_sz); + } +} + +PRE_SYSCALL(sgetmask)() {} + +POST_SYSCALL(sgetmask)(long res) {} + +PRE_SYSCALL(ssetmask)(long newmask) {} + +POST_SYSCALL(ssetmask)(long res, long newmask) {} + +PRE_SYSCALL(signal)(long sig, long handler) {} + +POST_SYSCALL(signal)(long res, long sig, long handler) {} + +PRE_SYSCALL(pause)() {} + +POST_SYSCALL(pause)(long res) {} + +PRE_SYSCALL(sync)() {} + +POST_SYSCALL(sync)(long res) {} + +PRE_SYSCALL(fsync)(long fd) {} + +POST_SYSCALL(fsync)(long res, long fd) {} + +PRE_SYSCALL(fdatasync)(long fd) {} + +POST_SYSCALL(fdatasync)(long res, long fd) {} + +PRE_SYSCALL(bdflush)(long func, long data) {} + +POST_SYSCALL(bdflush)(long res, long func, long data) {} + +PRE_SYSCALL(mount)(void *dev_name, void *dir_name, void *type, long flags, + void *data) {} + +POST_SYSCALL(mount)(long res, void *dev_name, void *dir_name, void *type, + long flags, void *data) { + if (res >= 0) { + if (dev_name) + POST_WRITE(dev_name, + __sanitizer::internal_strlen((const char *)dev_name) + 1); + if (dir_name) + POST_WRITE(dir_name, + __sanitizer::internal_strlen((const char *)dir_name) + 1); + if (type) + POST_WRITE(type, __sanitizer::internal_strlen((const char *)type) + 1); + } +} + +PRE_SYSCALL(umount)(void *name, long flags) {} + +POST_SYSCALL(umount)(long res, void *name, long flags) { + if (res >= 0) { + if (name) + POST_WRITE(name, __sanitizer::internal_strlen((const char *)name) + 1); + } +} + +PRE_SYSCALL(oldumount)(void *name) {} + +POST_SYSCALL(oldumount)(long res, void *name) { + if (res >= 0) { + if (name) + POST_WRITE(name, __sanitizer::internal_strlen((const char *)name) + 1); + } +} + +PRE_SYSCALL(truncate)(const void *path, long length) { + if (path) + PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); +} + +POST_SYSCALL(truncate)(long res, const void *path, long length) {} + +PRE_SYSCALL(ftruncate)(long fd, long length) {} + +POST_SYSCALL(ftruncate)(long res, long fd, long length) {} + +PRE_SYSCALL(stat)(const void *filename, void *statbuf) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(stat)(long res, const void *filename, void *statbuf) { + if (res >= 0) { + if (statbuf) POST_WRITE(statbuf, struct___old_kernel_stat_sz); + } +} + +PRE_SYSCALL(statfs)(const void *path, void *buf) { + if (path) + PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); +} + +POST_SYSCALL(statfs)(long res, const void *path, void *buf) { + if (res >= 0) { + if (buf) POST_WRITE(buf, struct_statfs_sz); + } +} + +PRE_SYSCALL(statfs64)(const void *path, long sz, void *buf) { + if (path) + PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); +} + +POST_SYSCALL(statfs64)(long res, const void *path, long sz, void *buf) { + if (res >= 0) { + if (buf) POST_WRITE(buf, struct_statfs64_sz); + } +} + +PRE_SYSCALL(fstatfs)(long fd, void *buf) {} + +POST_SYSCALL(fstatfs)(long res, long fd, void *buf) { + if (res >= 0) { + if (buf) POST_WRITE(buf, struct_statfs_sz); + } +} + +PRE_SYSCALL(fstatfs64)(long fd, long sz, void *buf) {} + +POST_SYSCALL(fstatfs64)(long res, long fd, long sz, void *buf) { + if (res >= 0) { + if (buf) POST_WRITE(buf, struct_statfs64_sz); + } +} + +PRE_SYSCALL(lstat)(const void *filename, void *statbuf) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(lstat)(long res, const void *filename, void *statbuf) { + if (res >= 0) { + if (statbuf) POST_WRITE(statbuf, struct___old_kernel_stat_sz); + } +} + +PRE_SYSCALL(fstat)(long fd, void *statbuf) {} + +POST_SYSCALL(fstat)(long res, long fd, void *statbuf) { + if (res >= 0) { + if (statbuf) POST_WRITE(statbuf, struct___old_kernel_stat_sz); + } +} + +PRE_SYSCALL(newstat)(const void *filename, void *statbuf) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(newstat)(long res, const void *filename, void *statbuf) { + if (res >= 0) { + if (statbuf) POST_WRITE(statbuf, struct_kernel_stat_sz); + } +} + +PRE_SYSCALL(newlstat)(const void *filename, void *statbuf) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(newlstat)(long res, const void *filename, void *statbuf) { + if (res >= 0) { + if (statbuf) POST_WRITE(statbuf, struct_kernel_stat_sz); + } +} + +PRE_SYSCALL(newfstat)(long fd, void *statbuf) {} + +POST_SYSCALL(newfstat)(long res, long fd, void *statbuf) { + if (res >= 0) { + if (statbuf) POST_WRITE(statbuf, struct_kernel_stat_sz); + } +} + +PRE_SYSCALL(ustat)(long dev, void *ubuf) {} + +POST_SYSCALL(ustat)(long res, long dev, void *ubuf) { + if (res >= 0) { + if (ubuf) POST_WRITE(ubuf, struct_ustat_sz); + } +} + +PRE_SYSCALL(stat64)(const void *filename, void *statbuf) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(stat64)(long res, const void *filename, void *statbuf) { + if (res >= 0) { + if (statbuf) POST_WRITE(statbuf, struct_kernel_stat64_sz); + } +} + +PRE_SYSCALL(fstat64)(long fd, void *statbuf) {} + +POST_SYSCALL(fstat64)(long res, long fd, void *statbuf) { + if (res >= 0) { + if (statbuf) POST_WRITE(statbuf, struct_kernel_stat64_sz); + } +} + +PRE_SYSCALL(lstat64)(const void *filename, void *statbuf) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(lstat64)(long res, const void *filename, void *statbuf) { + if (res >= 0) { + if (statbuf) POST_WRITE(statbuf, struct_kernel_stat64_sz); + } +} + +PRE_SYSCALL(setxattr)(const void *path, const void *name, const void *value, + long size, long flags) { + if (path) + PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); + if (name) + PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); + if (value) PRE_READ(value, size); +} + +POST_SYSCALL(setxattr)(long res, const void *path, const void *name, + const void *value, long size, long flags) {} + +PRE_SYSCALL(lsetxattr)(const void *path, const void *name, const void *value, + long size, long flags) { + if (path) + PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); + if (name) + PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); + if (value) PRE_READ(value, size); +} + +POST_SYSCALL(lsetxattr)(long res, const void *path, const void *name, + const void *value, long size, long flags) {} + +PRE_SYSCALL(fsetxattr)(long fd, const void *name, const void *value, long size, + long flags) { + if (name) + PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); + if (value) PRE_READ(value, size); +} + +POST_SYSCALL(fsetxattr)(long res, long fd, const void *name, const void *value, + long size, long flags) {} + +PRE_SYSCALL(getxattr)(const void *path, const void *name, void *value, + long size) { + if (path) + PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); + if (name) + PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); +} + +POST_SYSCALL(getxattr)(long res, const void *path, const void *name, + void *value, long size) { + if (res >= 0) { + if (value) POST_WRITE(value, size); + } +} + +PRE_SYSCALL(lgetxattr)(const void *path, const void *name, void *value, + long size) { + if (path) + PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); + if (name) + PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); +} + +POST_SYSCALL(lgetxattr)(long res, const void *path, const void *name, + void *value, long size) { + if (res >= 0) { + if (value) POST_WRITE(value, size); + } +} + +PRE_SYSCALL(fgetxattr)(long fd, const void *name, void *value, long size) { + if (name) + PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); +} + +POST_SYSCALL(fgetxattr)(long res, long fd, const void *name, void *value, + long size) { + if (res >= 0) { + if (value) POST_WRITE(value, size); + } +} + +PRE_SYSCALL(listxattr)(const void *path, void *list, long size) { + if (path) + PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); +} + +POST_SYSCALL(listxattr)(long res, const void *path, void *list, long size) { + if (res >= 0) { + if (list) POST_WRITE(list, size); + } +} + +PRE_SYSCALL(llistxattr)(const void *path, void *list, long size) { + if (path) + PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); +} + +POST_SYSCALL(llistxattr)(long res, const void *path, void *list, long size) { + if (res >= 0) { + if (list) POST_WRITE(list, size); + } +} + +PRE_SYSCALL(flistxattr)(long fd, void *list, long size) {} + +POST_SYSCALL(flistxattr)(long res, long fd, void *list, long size) { + if (res >= 0) { + if (list) POST_WRITE(list, size); + } +} + +PRE_SYSCALL(removexattr)(const void *path, const void *name) { + if (path) + PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); + if (name) + PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); +} + +POST_SYSCALL(removexattr)(long res, const void *path, const void *name) {} + +PRE_SYSCALL(lremovexattr)(const void *path, const void *name) { + if (path) + PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); + if (name) + PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); +} + +POST_SYSCALL(lremovexattr)(long res, const void *path, const void *name) {} + +PRE_SYSCALL(fremovexattr)(long fd, const void *name) { + if (name) + PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); +} + +POST_SYSCALL(fremovexattr)(long res, long fd, const void *name) {} + +PRE_SYSCALL(brk)(long brk) {} + +POST_SYSCALL(brk)(long res, long brk) {} + +PRE_SYSCALL(mprotect)(long start, long len, long prot) {} + +POST_SYSCALL(mprotect)(long res, long start, long len, long prot) {} + +PRE_SYSCALL(mremap)(long addr, long old_len, long new_len, long flags, + long new_addr) {} + +POST_SYSCALL(mremap)(long res, long addr, long old_len, long new_len, + long flags, long new_addr) {} + +PRE_SYSCALL(remap_file_pages)(long start, long size, long prot, long pgoff, + long flags) {} + +POST_SYSCALL(remap_file_pages)(long res, long start, long size, long prot, + long pgoff, long flags) {} + +PRE_SYSCALL(msync)(long start, long len, long flags) {} + +POST_SYSCALL(msync)(long res, long start, long len, long flags) {} + +PRE_SYSCALL(munmap)(long addr, long len) {} + +POST_SYSCALL(munmap)(long res, long addr, long len) {} + +PRE_SYSCALL(mlock)(long start, long len) {} + +POST_SYSCALL(mlock)(long res, long start, long len) {} + +PRE_SYSCALL(munlock)(long start, long len) {} + +POST_SYSCALL(munlock)(long res, long start, long len) {} + +PRE_SYSCALL(mlockall)(long flags) {} + +POST_SYSCALL(mlockall)(long res, long flags) {} + +PRE_SYSCALL(munlockall)() {} + +POST_SYSCALL(munlockall)(long res) {} + +PRE_SYSCALL(madvise)(long start, long len, long behavior) {} + +POST_SYSCALL(madvise)(long res, long start, long len, long behavior) {} + +PRE_SYSCALL(mincore)(long start, long len, void *vec) {} + +POST_SYSCALL(mincore)(long res, long start, long len, void *vec) { + if (res >= 0) { + if (vec) { + POST_WRITE(vec, (len + GetPageSizeCached() - 1) / GetPageSizeCached()); + } + } +} + +PRE_SYSCALL(pivot_root)(const void *new_root, const void *put_old) { + if (new_root) + PRE_READ(new_root, + __sanitizer::internal_strlen((const char *)new_root) + 1); + if (put_old) + PRE_READ(put_old, __sanitizer::internal_strlen((const char *)put_old) + 1); +} + +POST_SYSCALL(pivot_root)(long res, const void *new_root, const void *put_old) {} + +PRE_SYSCALL(chroot)(const void *filename) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(chroot)(long res, const void *filename) {} + +PRE_SYSCALL(mknod)(const void *filename, long mode, long dev) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(mknod)(long res, const void *filename, long mode, long dev) {} + +PRE_SYSCALL(link)(const void *oldname, const void *newname) { + if (oldname) + PRE_READ(oldname, __sanitizer::internal_strlen((const char *)oldname) + 1); + if (newname) + PRE_READ(newname, __sanitizer::internal_strlen((const char *)newname) + 1); +} + +POST_SYSCALL(link)(long res, const void *oldname, const void *newname) {} + +PRE_SYSCALL(symlink)(const void *old, const void *new_) { + if (old) PRE_READ(old, __sanitizer::internal_strlen((const char *)old) + 1); + if (new_) + PRE_READ(new_, __sanitizer::internal_strlen((const char *)new_) + 1); +} + +POST_SYSCALL(symlink)(long res, const void *old, const void *new_) {} + +PRE_SYSCALL(unlink)(const void *pathname) { + if (pathname) + PRE_READ(pathname, + __sanitizer::internal_strlen((const char *)pathname) + 1); +} + +POST_SYSCALL(unlink)(long res, const void *pathname) {} + +PRE_SYSCALL(rename)(const void *oldname, const void *newname) { + if (oldname) + PRE_READ(oldname, __sanitizer::internal_strlen((const char *)oldname) + 1); + if (newname) + PRE_READ(newname, __sanitizer::internal_strlen((const char *)newname) + 1); +} + +POST_SYSCALL(rename)(long res, const void *oldname, const void *newname) {} + +PRE_SYSCALL(chmod)(const void *filename, long mode) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(chmod)(long res, const void *filename, long mode) {} + +PRE_SYSCALL(fchmod)(long fd, long mode) {} + +POST_SYSCALL(fchmod)(long res, long fd, long mode) {} + +PRE_SYSCALL(fcntl)(long fd, long cmd, long arg) {} + +POST_SYSCALL(fcntl)(long res, long fd, long cmd, long arg) {} + +PRE_SYSCALL(fcntl64)(long fd, long cmd, long arg) {} + +POST_SYSCALL(fcntl64)(long res, long fd, long cmd, long arg) {} + +PRE_SYSCALL(pipe)(void *fildes) {} + +POST_SYSCALL(pipe)(long res, void *fildes) { + if (res >= 0) { + if (fildes) POST_WRITE(fildes, sizeof(int)); + } +} + +PRE_SYSCALL(pipe2)(void *fildes, long flags) {} + +POST_SYSCALL(pipe2)(long res, void *fildes, long flags) { + if (res >= 0) { + if (fildes) POST_WRITE(fildes, sizeof(int)); + } +} + +PRE_SYSCALL(dup)(long fildes) {} + +POST_SYSCALL(dup)(long res, long fildes) {} + +PRE_SYSCALL(dup2)(long oldfd, long newfd) {} + +POST_SYSCALL(dup2)(long res, long oldfd, long newfd) {} + +PRE_SYSCALL(dup3)(long oldfd, long newfd, long flags) {} + +POST_SYSCALL(dup3)(long res, long oldfd, long newfd, long flags) {} + +PRE_SYSCALL(ioperm)(long from, long num, long on) {} + +POST_SYSCALL(ioperm)(long res, long from, long num, long on) {} + +PRE_SYSCALL(ioctl)(long fd, long cmd, long arg) {} + +POST_SYSCALL(ioctl)(long res, long fd, long cmd, long arg) {} + +PRE_SYSCALL(flock)(long fd, long cmd) {} + +POST_SYSCALL(flock)(long res, long fd, long cmd) {} + +PRE_SYSCALL(io_setup)(long nr_reqs, void *ctx) {} + +POST_SYSCALL(io_setup)(long res, long nr_reqs, void *ctx) { + if (res >= 0) { + if (ctx) POST_WRITE(ctx, sizeof(long)); + } +} + +PRE_SYSCALL(io_destroy)(long ctx) {} + +POST_SYSCALL(io_destroy)(long res, long ctx) {} + +PRE_SYSCALL(io_getevents)(long ctx_id, long min_nr, long nr, void *events, + void *timeout) { + if (timeout) PRE_READ(timeout, struct_timespec_sz); +} + +POST_SYSCALL(io_getevents)(long res, long ctx_id, long min_nr, long nr, + void *events, void *timeout) { + if (res >= 0) { + if (events) POST_WRITE(events, res * struct_io_event_sz); + if (timeout) POST_WRITE(timeout, struct_timespec_sz); + } +} + +PRE_SYSCALL(io_submit)(long, long arg1, void *arg2) {} + +POST_SYSCALL(io_submit)(long res, long, long arg1, void *arg2) {} + +PRE_SYSCALL(io_cancel)(long ctx_id, void *iocb, void *result) {} + +POST_SYSCALL(io_cancel)(long res, long ctx_id, void *iocb, void *result) { + if (res >= 0) { + if (iocb) POST_WRITE(iocb, struct_iocb_sz); + if (result) POST_WRITE(result, struct_io_event_sz); + } +} + +PRE_SYSCALL(sendfile)(long out_fd, long in_fd, void *offset, long count) {} + +POST_SYSCALL(sendfile)(long res, long out_fd, long in_fd, + __kernel_off_t *offset, long count) { + if (res >= 0) { + if (offset) POST_WRITE(offset, sizeof(*offset)); + } +} + +PRE_SYSCALL(sendfile64)(long out_fd, long in_fd, void *offset, long count) {} + +POST_SYSCALL(sendfile64)(long res, long out_fd, long in_fd, + __kernel_loff_t *offset, long count) { + if (res >= 0) { + if (offset) POST_WRITE(offset, sizeof(*offset)); + } +} + +PRE_SYSCALL(readlink)(const void *path, void *buf, long bufsiz) { + if (path) + PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); +} + +POST_SYSCALL(readlink)(long res, const void *path, void *buf, long bufsiz) { + if (res >= 0) { + if (buf) + POST_WRITE(buf, __sanitizer::internal_strlen((const char *)buf) + 1); + } +} + +PRE_SYSCALL(creat)(const void *pathname, long mode) { + if (pathname) + PRE_READ(pathname, + __sanitizer::internal_strlen((const char *)pathname) + 1); +} + +POST_SYSCALL(creat)(long res, const void *pathname, long mode) {} + +PRE_SYSCALL(open)(const void *filename, long flags, long mode) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(open)(long res, const void *filename, long flags, long mode) {} + +PRE_SYSCALL(close)(long fd) {} + +POST_SYSCALL(close)(long res, long fd) {} + +PRE_SYSCALL(access)(const void *filename, long mode) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(access)(long res, const void *filename, long mode) {} + +PRE_SYSCALL(vhangup)() {} + +POST_SYSCALL(vhangup)(long res) {} + +PRE_SYSCALL(chown)(const void *filename, long user, long group) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(chown)(long res, const void *filename, long user, long group) {} + +PRE_SYSCALL(lchown)(const void *filename, long user, long group) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(lchown)(long res, const void *filename, long user, long group) {} + +PRE_SYSCALL(fchown)(long fd, long user, long group) {} + +POST_SYSCALL(fchown)(long res, long fd, long user, long group) {} + +PRE_SYSCALL(chown16)(const void *filename, long user, long group) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(chown16)(long res, const void *filename, long user, long group) {} + +PRE_SYSCALL(lchown16)(const void *filename, long user, long group) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(lchown16)(long res, const void *filename, long user, long group) {} + +PRE_SYSCALL(fchown16)(long fd, long user, long group) {} + +POST_SYSCALL(fchown16)(long res, long fd, long user, long group) {} + +PRE_SYSCALL(setregid16)(long rgid, long egid) {} + +POST_SYSCALL(setregid16)(long res, long rgid, long egid) {} + +PRE_SYSCALL(setgid16)(long gid) {} + +POST_SYSCALL(setgid16)(long res, long gid) {} + +PRE_SYSCALL(setreuid16)(long ruid, long euid) {} + +POST_SYSCALL(setreuid16)(long res, long ruid, long euid) {} + +PRE_SYSCALL(setuid16)(long uid) {} + +POST_SYSCALL(setuid16)(long res, long uid) {} + +PRE_SYSCALL(setresuid16)(long ruid, long euid, long suid) {} + +POST_SYSCALL(setresuid16)(long res, long ruid, long euid, long suid) {} + +PRE_SYSCALL(getresuid16)(void *ruid, void *euid, void *suid) {} + +POST_SYSCALL(getresuid16)(long res, __kernel_old_uid_t *ruid, + __kernel_old_uid_t *euid, __kernel_old_uid_t *suid) { + if (res >= 0) { + if (ruid) POST_WRITE(ruid, sizeof(*ruid)); + if (euid) POST_WRITE(euid, sizeof(*euid)); + if (suid) POST_WRITE(suid, sizeof(*suid)); + } +} + +PRE_SYSCALL(setresgid16)(long rgid, long egid, long sgid) {} + +POST_SYSCALL(setresgid16)(long res, long rgid, long egid, long sgid) {} + +PRE_SYSCALL(getresgid16)(void *rgid, void *egid, void *sgid) {} + +POST_SYSCALL(getresgid16)(long res, __kernel_old_gid_t *rgid, + __kernel_old_gid_t *egid, __kernel_old_gid_t *sgid) { + if (res >= 0) { + if (rgid) POST_WRITE(rgid, sizeof(*rgid)); + if (egid) POST_WRITE(egid, sizeof(*egid)); + if (sgid) POST_WRITE(sgid, sizeof(*sgid)); + } +} + +PRE_SYSCALL(setfsuid16)(long uid) {} + +POST_SYSCALL(setfsuid16)(long res, long uid) {} + +PRE_SYSCALL(setfsgid16)(long gid) {} + +POST_SYSCALL(setfsgid16)(long res, long gid) {} + +PRE_SYSCALL(getgroups16)(long gidsetsize, __kernel_old_gid_t *grouplist) {} + +POST_SYSCALL(getgroups16)(long res, long gidsetsize, + __kernel_old_gid_t *grouplist) { + if (res >= 0) { + if (grouplist) POST_WRITE(grouplist, res * sizeof(*grouplist)); + } +} + +PRE_SYSCALL(setgroups16)(long gidsetsize, __kernel_old_gid_t *grouplist) { + if (grouplist) POST_WRITE(grouplist, gidsetsize * sizeof(*grouplist)); +} + +POST_SYSCALL(setgroups16)(long res, long gidsetsize, + __kernel_old_gid_t *grouplist) {} + +PRE_SYSCALL(getuid16)() {} + +POST_SYSCALL(getuid16)(long res) {} + +PRE_SYSCALL(geteuid16)() {} + +POST_SYSCALL(geteuid16)(long res) {} + +PRE_SYSCALL(getgid16)() {} + +POST_SYSCALL(getgid16)(long res) {} + +PRE_SYSCALL(getegid16)() {} + +POST_SYSCALL(getegid16)(long res) {} + +PRE_SYSCALL(utime)(void *filename, void *times) {} + +POST_SYSCALL(utime)(long res, void *filename, void *times) { + if (res >= 0) { + if (filename) + POST_WRITE(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); + if (times) POST_WRITE(times, struct_utimbuf_sz); + } +} + +PRE_SYSCALL(utimes)(void *filename, void *utimes) {} + +POST_SYSCALL(utimes)(long res, void *filename, void *utimes) { + if (res >= 0) { + if (filename) + POST_WRITE(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); + if (utimes) POST_WRITE(utimes, timeval_sz); + } +} + +PRE_SYSCALL(lseek)(long fd, long offset, long origin) {} + +POST_SYSCALL(lseek)(long res, long fd, long offset, long origin) {} + +PRE_SYSCALL(llseek)(long fd, long offset_high, long offset_low, void *result, + long origin) {} + +POST_SYSCALL(llseek)(long res, long fd, long offset_high, long offset_low, + void *result, long origin) { + if (res >= 0) { + if (result) POST_WRITE(result, sizeof(long long)); + } +} + +PRE_SYSCALL(readv)(long fd, const __sanitizer_iovec *vec, long vlen) {} + +POST_SYSCALL(readv)(long res, long fd, const __sanitizer_iovec *vec, + long vlen) { + if (res >= 0) { + if (vec) kernel_write_iovec(vec, vlen, res); + } +} + +PRE_SYSCALL(write)(long fd, const void *buf, long count) { + if (buf) PRE_READ(buf, count); +} + +POST_SYSCALL(write)(long res, long fd, const void *buf, long count) {} + +PRE_SYSCALL(writev)(long fd, const __sanitizer_iovec *vec, long vlen) {} + +POST_SYSCALL(writev)(long res, long fd, const __sanitizer_iovec *vec, + long vlen) { + if (res >= 0) { + if (vec) kernel_read_iovec(vec, vlen, res); + } +} + +#ifdef _LP64 +PRE_SYSCALL(pread64)(long fd, void *buf, long count, long pos) {} + +POST_SYSCALL(pread64)(long res, long fd, void *buf, long count, long pos) { + if (res >= 0) { + if (buf) POST_WRITE(buf, res); + } +} + +PRE_SYSCALL(pwrite64)(long fd, const void *buf, long count, long pos) { + if (buf) PRE_READ(buf, count); +} + +POST_SYSCALL(pwrite64)(long res, long fd, const void *buf, long count, + long pos) {} +#else +PRE_SYSCALL(pread64)(long fd, void *buf, long count, long pos0, long pos1) {} + +POST_SYSCALL(pread64)(long res, long fd, void *buf, long count, long pos0, + long pos1) { + if (res >= 0) { + if (buf) POST_WRITE(buf, res); + } +} + +PRE_SYSCALL(pwrite64)(long fd, const void *buf, long count, long pos0, + long pos1) { + if (buf) PRE_READ(buf, count); +} + +POST_SYSCALL(pwrite64)(long res, long fd, const void *buf, long count, + long pos0, long pos1) {} +#endif + +PRE_SYSCALL(preadv)(long fd, const __sanitizer_iovec *vec, long vlen, + long pos_l, long pos_h) {} + +POST_SYSCALL(preadv)(long res, long fd, const __sanitizer_iovec *vec, long vlen, + long pos_l, long pos_h) { + if (res >= 0) { + if (vec) kernel_write_iovec(vec, vlen, res); + } +} + +PRE_SYSCALL(pwritev)(long fd, const __sanitizer_iovec *vec, long vlen, + long pos_l, long pos_h) {} + +POST_SYSCALL(pwritev)(long res, long fd, const __sanitizer_iovec *vec, + long vlen, long pos_l, long pos_h) { + if (res >= 0) { + if (vec) kernel_read_iovec(vec, vlen, res); + } +} + +PRE_SYSCALL(getcwd)(void *buf, long size) {} + +POST_SYSCALL(getcwd)(long res, void *buf, long size) { + if (res >= 0) { + if (buf) + POST_WRITE(buf, __sanitizer::internal_strlen((const char *)buf) + 1); + } +} + +PRE_SYSCALL(mkdir)(const void *pathname, long mode) { + if (pathname) + PRE_READ(pathname, + __sanitizer::internal_strlen((const char *)pathname) + 1); +} + +POST_SYSCALL(mkdir)(long res, const void *pathname, long mode) {} + +PRE_SYSCALL(chdir)(const void *filename) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(chdir)(long res, const void *filename) {} + +PRE_SYSCALL(fchdir)(long fd) {} + +POST_SYSCALL(fchdir)(long res, long fd) {} + +PRE_SYSCALL(rmdir)(const void *pathname) { + if (pathname) + PRE_READ(pathname, + __sanitizer::internal_strlen((const char *)pathname) + 1); +} + +POST_SYSCALL(rmdir)(long res, const void *pathname) {} + +PRE_SYSCALL(lookup_dcookie)(u64 cookie64, void *buf, long len) {} + +POST_SYSCALL(lookup_dcookie)(long res, u64 cookie64, void *buf, long len) { + if (res >= 0) { + if (buf) + POST_WRITE(buf, __sanitizer::internal_strlen((const char *)buf) + 1); + } +} + +PRE_SYSCALL(quotactl)(long cmd, const void *special, long id, void *addr) { + if (special) + PRE_READ(special, __sanitizer::internal_strlen((const char *)special) + 1); +} + +POST_SYSCALL(quotactl)(long res, long cmd, const void *special, long id, + void *addr) {} + +PRE_SYSCALL(getdents)(long fd, void *dirent, long count) {} + +POST_SYSCALL(getdents)(long res, long fd, void *dirent, long count) { + if (res >= 0) { + if (dirent) POST_WRITE(dirent, res); + } +} + +PRE_SYSCALL(getdents64)(long fd, void *dirent, long count) {} + +POST_SYSCALL(getdents64)(long res, long fd, void *dirent, long count) { + if (res >= 0) { + if (dirent) POST_WRITE(dirent, res); + } +} + +PRE_SYSCALL(setsockopt)(long fd, long level, long optname, void *optval, + long optlen) {} + +POST_SYSCALL(setsockopt)(long res, long fd, long level, long optname, + void *optval, long optlen) { + if (res >= 0) { + if (optval) + POST_WRITE(optval, + __sanitizer::internal_strlen((const char *)optval) + 1); + } +} + +PRE_SYSCALL(getsockopt)(long fd, long level, long optname, void *optval, + void *optlen) {} + +POST_SYSCALL(getsockopt)(long res, long fd, long level, long optname, + void *optval, void *optlen) { + if (res >= 0) { + if (optval) + POST_WRITE(optval, + __sanitizer::internal_strlen((const char *)optval) + 1); + if (optlen) POST_WRITE(optlen, sizeof(int)); + } +} + +PRE_SYSCALL(bind)(long arg0, sanitizer_kernel_sockaddr *arg1, long arg2) {} + +POST_SYSCALL(bind)(long res, long arg0, sanitizer_kernel_sockaddr *arg1, + long arg2) { + if (res >= 0) { + if (arg1) POST_WRITE(arg1, sizeof(*arg1)); + } +} + +PRE_SYSCALL(connect)(long arg0, sanitizer_kernel_sockaddr *arg1, long arg2) {} + +POST_SYSCALL(connect)(long res, long arg0, sanitizer_kernel_sockaddr *arg1, + long arg2) { + if (res >= 0) { + if (arg1) POST_WRITE(arg1, sizeof(*arg1)); + } +} + +PRE_SYSCALL(accept)(long arg0, sanitizer_kernel_sockaddr *arg1, void *arg2) {} + +POST_SYSCALL(accept)(long res, long arg0, sanitizer_kernel_sockaddr *arg1, + void *arg2) { + if (res >= 0) { + if (arg1) POST_WRITE(arg1, sizeof(*arg1)); + if (arg2) POST_WRITE(arg2, sizeof(unsigned)); + } +} + +PRE_SYSCALL(accept4)(long arg0, sanitizer_kernel_sockaddr *arg1, void *arg2, + long arg3) {} + +POST_SYSCALL(accept4)(long res, long arg0, sanitizer_kernel_sockaddr *arg1, + void *arg2, long arg3) { + if (res >= 0) { + if (arg1) POST_WRITE(arg1, sizeof(*arg1)); + if (arg2) POST_WRITE(arg2, sizeof(unsigned)); + } +} + +PRE_SYSCALL(getsockname)(long arg0, sanitizer_kernel_sockaddr *arg1, + void *arg2) {} + +POST_SYSCALL(getsockname)(long res, long arg0, sanitizer_kernel_sockaddr *arg1, + void *arg2) { + if (res >= 0) { + if (arg1) POST_WRITE(arg1, sizeof(*arg1)); + if (arg2) POST_WRITE(arg2, sizeof(unsigned)); + } +} + +PRE_SYSCALL(getpeername)(long arg0, sanitizer_kernel_sockaddr *arg1, + void *arg2) {} + +POST_SYSCALL(getpeername)(long res, long arg0, sanitizer_kernel_sockaddr *arg1, + void *arg2) { + if (res >= 0) { + if (arg1) POST_WRITE(arg1, sizeof(*arg1)); + if (arg2) POST_WRITE(arg2, sizeof(unsigned)); + } +} + +PRE_SYSCALL(send)(long arg0, void *arg1, long arg2, long arg3) {} + +POST_SYSCALL(send)(long res, long arg0, void *arg1, long arg2, long arg3) { + if (res) { + if (arg1) POST_READ(arg1, res); + } +} + +PRE_SYSCALL(sendto)(long arg0, void *arg1, long arg2, long arg3, + sanitizer_kernel_sockaddr *arg4, long arg5) {} + +POST_SYSCALL(sendto)(long res, long arg0, void *arg1, long arg2, long arg3, + sanitizer_kernel_sockaddr *arg4, long arg5) { + if (res >= 0) { + if (arg1) POST_READ(arg1, res); + if (arg4) POST_WRITE(arg4, sizeof(*arg4)); + } +} + +PRE_SYSCALL(sendmsg)(long fd, void *msg, long flags) {} + +POST_SYSCALL(sendmsg)(long res, long fd, void *msg, long flags) { + // FIXME: POST_READ +} + +PRE_SYSCALL(sendmmsg)(long fd, void *msg, long vlen, long flags) {} + +POST_SYSCALL(sendmmsg)(long res, long fd, void *msg, long vlen, long flags) { + // FIXME: POST_READ +} + +PRE_SYSCALL(recv)(long arg0, void *buf, long len, long flags) {} + +POST_SYSCALL(recv)(long res, void *buf, long len, long flags) { + if (res >= 0) { + if (buf) POST_WRITE(buf, res); + } +} + +PRE_SYSCALL(recvfrom)(long arg0, void *buf, long len, long flags, + sanitizer_kernel_sockaddr *arg4, void *arg5) {} + +POST_SYSCALL(recvfrom)(long res, long arg0, void *buf, long len, long flags, + sanitizer_kernel_sockaddr *arg4, void *arg5) { + if (res >= 0) { + if (buf) POST_WRITE(buf, res); + if (arg4) POST_WRITE(arg4, sizeof(*arg4)); + if (arg5) POST_WRITE(arg5, sizeof(int)); + } +} + +PRE_SYSCALL(socket)(long arg0, long arg1, long arg2) {} + +POST_SYSCALL(socket)(long res, long arg0, long arg1, long arg2) {} + +PRE_SYSCALL(socketpair)(long arg0, long arg1, long arg2, void *arg3) {} + +POST_SYSCALL(socketpair)(long res, long arg0, long arg1, long arg2, + void *arg3) { + if (res >= 0) { + if (arg3) POST_WRITE(arg3, sizeof(int)); + } +} + +PRE_SYSCALL(socketcall)(long call, void *args) {} + +POST_SYSCALL(socketcall)(long res, long call, void *args) { + if (res >= 0) { + if (args) POST_WRITE(args, sizeof(long)); + } +} + +PRE_SYSCALL(listen)(long arg0, long arg1) {} + +POST_SYSCALL(listen)(long res, long arg0, long arg1) {} + +PRE_SYSCALL(poll)(void *ufds, long nfds, long timeout) {} + +POST_SYSCALL(poll)(long res, __sanitizer_pollfd *ufds, long nfds, + long timeout) { + if (res >= 0) { + if (ufds) POST_WRITE(ufds, nfds * sizeof(*ufds)); + } +} + +PRE_SYSCALL(select)(long n, __kernel_fd_set *inp, __kernel_fd_set *outp, + __kernel_fd_set *exp, void *tvp) {} + +POST_SYSCALL(select)(long res, long n, __kernel_fd_set *inp, + __kernel_fd_set *outp, __kernel_fd_set *exp, void *tvp) { + if (res >= 0) { + if (inp) POST_WRITE(inp, sizeof(*inp)); + if (outp) POST_WRITE(outp, sizeof(*outp)); + if (exp) POST_WRITE(exp, sizeof(*exp)); + if (tvp) POST_WRITE(tvp, timeval_sz); + } +} + +PRE_SYSCALL(old_select)(void *arg) {} + +POST_SYSCALL(old_select)(long res, void *arg) {} + +PRE_SYSCALL(epoll_create)(long size) {} + +POST_SYSCALL(epoll_create)(long res, long size) {} + +PRE_SYSCALL(epoll_create1)(long flags) {} + +POST_SYSCALL(epoll_create1)(long res, long flags) {} + +PRE_SYSCALL(epoll_ctl)(long epfd, long op, long fd, void *event) {} + +POST_SYSCALL(epoll_ctl)(long res, long epfd, long op, long fd, void *event) { + if (res >= 0) { + if (event) POST_WRITE(event, struct_epoll_event_sz); + } +} + +PRE_SYSCALL(epoll_wait)(long epfd, void *events, long maxevents, long timeout) { +} + +POST_SYSCALL(epoll_wait)(long res, long epfd, void *events, long maxevents, + long timeout) { + if (res >= 0) { + if (events) POST_WRITE(events, struct_epoll_event_sz); + } +} + +PRE_SYSCALL(epoll_pwait)(long epfd, void *events, long maxevents, long timeout, + const kernel_sigset_t *sigmask, long sigsetsize) { + if (sigmask) PRE_READ(sigmask, sigsetsize); +} + +POST_SYSCALL(epoll_pwait)(long res, long epfd, void *events, long maxevents, + long timeout, const void *sigmask, long sigsetsize) { + if (res >= 0) { + if (events) POST_WRITE(events, struct_epoll_event_sz); + } +} + +PRE_SYSCALL(gethostname)(void *name, long len) {} + +POST_SYSCALL(gethostname)(long res, void *name, long len) { + if (res >= 0) { + if (name) + POST_WRITE(name, __sanitizer::internal_strlen((const char *)name) + 1); + } +} + +PRE_SYSCALL(sethostname)(void *name, long len) {} + +POST_SYSCALL(sethostname)(long res, void *name, long len) { + if (res >= 0) { + if (name) + POST_WRITE(name, __sanitizer::internal_strlen((const char *)name) + 1); + } +} + +PRE_SYSCALL(setdomainname)(void *name, long len) {} + +POST_SYSCALL(setdomainname)(long res, void *name, long len) { + if (res >= 0) { + if (name) + POST_WRITE(name, __sanitizer::internal_strlen((const char *)name) + 1); + } +} + +PRE_SYSCALL(newuname)(void *name) {} + +POST_SYSCALL(newuname)(long res, void *name) { + if (res >= 0) { + if (name) POST_WRITE(name, struct_new_utsname_sz); + } +} + +PRE_SYSCALL(uname)(void *arg0) {} + +POST_SYSCALL(uname)(long res, void *arg0) { + if (res >= 0) { + if (arg0) POST_WRITE(arg0, struct_old_utsname_sz); + } +} + +PRE_SYSCALL(olduname)(void *arg0) {} + +POST_SYSCALL(olduname)(long res, void *arg0) { + if (res >= 0) { + if (arg0) POST_WRITE(arg0, struct_oldold_utsname_sz); + } +} + +PRE_SYSCALL(getrlimit)(long resource, void *rlim) {} + +POST_SYSCALL(getrlimit)(long res, long resource, void *rlim) { + if (res >= 0) { + if (rlim) POST_WRITE(rlim, struct_rlimit_sz); + } +} + +PRE_SYSCALL(old_getrlimit)(long resource, void *rlim) {} + +POST_SYSCALL(old_getrlimit)(long res, long resource, void *rlim) { + if (res >= 0) { + if (rlim) POST_WRITE(rlim, struct_rlimit_sz); + } +} + +PRE_SYSCALL(setrlimit)(long resource, void *rlim) {} + +POST_SYSCALL(setrlimit)(long res, long resource, void *rlim) { + if (res >= 0) { + if (rlim) POST_WRITE(rlim, struct_rlimit_sz); + } +} + +#if !SANITIZER_ANDROID +PRE_SYSCALL(prlimit64)(long pid, long resource, const void *new_rlim, + void *old_rlim) { + if (new_rlim) PRE_READ(new_rlim, struct_rlimit64_sz); +} + +POST_SYSCALL(prlimit64)(long res, long pid, long resource, const void *new_rlim, + void *old_rlim) { + if (res >= 0) { + if (old_rlim) POST_WRITE(old_rlim, struct_rlimit64_sz); + } +} +#endif + +PRE_SYSCALL(getrusage)(long who, void *ru) {} + +POST_SYSCALL(getrusage)(long res, long who, void *ru) { + if (res >= 0) { + if (ru) POST_WRITE(ru, struct_rusage_sz); + } +} + +PRE_SYSCALL(umask)(long mask) {} + +POST_SYSCALL(umask)(long res, long mask) {} + +PRE_SYSCALL(msgget)(long key, long msgflg) {} + +POST_SYSCALL(msgget)(long res, long key, long msgflg) {} + +PRE_SYSCALL(msgsnd)(long msqid, void *msgp, long msgsz, long msgflg) { + if (msgp) PRE_READ(msgp, msgsz); +} + +POST_SYSCALL(msgsnd)(long res, long msqid, void *msgp, long msgsz, + long msgflg) {} + +PRE_SYSCALL(msgrcv)(long msqid, void *msgp, long msgsz, long msgtyp, + long msgflg) {} + +POST_SYSCALL(msgrcv)(long res, long msqid, void *msgp, long msgsz, long msgtyp, + long msgflg) { + if (res >= 0) { + if (msgp) POST_WRITE(msgp, res); + } +} + +PRE_SYSCALL(msgctl)(long msqid, long cmd, void *buf) {} + +POST_SYSCALL(msgctl)(long res, long msqid, long cmd, void *buf) { + if (res >= 0) { + if (buf) POST_WRITE(buf, struct_msqid_ds_sz); + } +} + +PRE_SYSCALL(semget)(long key, long nsems, long semflg) {} + +POST_SYSCALL(semget)(long res, long key, long nsems, long semflg) {} + +PRE_SYSCALL(semop)(long semid, void *sops, long nsops) {} + +POST_SYSCALL(semop)(long res, long semid, void *sops, long nsops) {} + +PRE_SYSCALL(semctl)(long semid, long semnum, long cmd, void *arg) {} + +POST_SYSCALL(semctl)(long res, long semid, long semnum, long cmd, void *arg) {} + +PRE_SYSCALL(semtimedop)(long semid, void *sops, long nsops, + const void *timeout) { + if (timeout) PRE_READ(timeout, struct_timespec_sz); +} + +POST_SYSCALL(semtimedop)(long res, long semid, void *sops, long nsops, + const void *timeout) {} + +PRE_SYSCALL(shmat)(long shmid, void *shmaddr, long shmflg) {} + +POST_SYSCALL(shmat)(long res, long shmid, void *shmaddr, long shmflg) { + if (res >= 0) { + if (shmaddr) + POST_WRITE(shmaddr, + __sanitizer::internal_strlen((const char *)shmaddr) + 1); + } +} + +PRE_SYSCALL(shmget)(long key, long size, long flag) {} + +POST_SYSCALL(shmget)(long res, long key, long size, long flag) {} + +PRE_SYSCALL(shmdt)(void *shmaddr) {} + +POST_SYSCALL(shmdt)(long res, void *shmaddr) { + if (res >= 0) { + if (shmaddr) + POST_WRITE(shmaddr, + __sanitizer::internal_strlen((const char *)shmaddr) + 1); + } +} + +PRE_SYSCALL(shmctl)(long shmid, long cmd, void *buf) {} + +POST_SYSCALL(shmctl)(long res, long shmid, long cmd, void *buf) { + if (res >= 0) { + if (buf) POST_WRITE(buf, struct_shmid_ds_sz); + } +} + +PRE_SYSCALL(ipc)(long call, long first, long second, long third, void *ptr, + long fifth) {} + +POST_SYSCALL(ipc)(long res, long call, long first, long second, long third, + void *ptr, long fifth) {} + +#if !SANITIZER_ANDROID +PRE_SYSCALL(mq_open)(const void *name, long oflag, long mode, void *attr) { + if (name) + PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); +} + +POST_SYSCALL(mq_open)(long res, const void *name, long oflag, long mode, + void *attr) { + if (res >= 0) { + if (attr) POST_WRITE(attr, struct_mq_attr_sz); + } +} + +PRE_SYSCALL(mq_unlink)(const void *name) { + if (name) + PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); +} + +POST_SYSCALL(mq_unlink)(long res, const void *name) {} + +PRE_SYSCALL(mq_timedsend)(long mqdes, const void *msg_ptr, long msg_len, + long msg_prio, const void *abs_timeout) { + if (msg_ptr) PRE_READ(msg_ptr, msg_len); + if (abs_timeout) PRE_READ(abs_timeout, struct_timespec_sz); +} + +POST_SYSCALL(mq_timedsend)(long res, long mqdes, const void *msg_ptr, + long msg_len, long msg_prio, + const void *abs_timeout) {} + +PRE_SYSCALL(mq_timedreceive)(long mqdes, void *msg_ptr, long msg_len, + void *msg_prio, const void *abs_timeout) { + if (abs_timeout) PRE_READ(abs_timeout, struct_timespec_sz); +} + +POST_SYSCALL(mq_timedreceive)(long res, long mqdes, void *msg_ptr, long msg_len, + int *msg_prio, const void *abs_timeout) { + if (res >= 0) { + if (msg_ptr) POST_WRITE(msg_ptr, res); + if (msg_prio) POST_WRITE(msg_prio, sizeof(*msg_prio)); + } +} + +PRE_SYSCALL(mq_notify)(long mqdes, const void *notification) { + if (notification) PRE_READ(notification, struct_sigevent_sz); +} + +POST_SYSCALL(mq_notify)(long res, long mqdes, const void *notification) {} + +PRE_SYSCALL(mq_getsetattr)(long mqdes, const void *mqstat, void *omqstat) { + if (mqstat) PRE_READ(mqstat, struct_mq_attr_sz); +} + +POST_SYSCALL(mq_getsetattr)(long res, long mqdes, const void *mqstat, + void *omqstat) { + if (res >= 0) { + if (omqstat) POST_WRITE(omqstat, struct_mq_attr_sz); + } +} +#endif // SANITIZER_ANDROID + +PRE_SYSCALL(pciconfig_iobase)(long which, long bus, long devfn) {} + +POST_SYSCALL(pciconfig_iobase)(long res, long which, long bus, long devfn) {} + +PRE_SYSCALL(pciconfig_read)(long bus, long dfn, long off, long len, void *buf) { +} + +POST_SYSCALL(pciconfig_read)(long res, long bus, long dfn, long off, long len, + void *buf) {} + +PRE_SYSCALL(pciconfig_write)(long bus, long dfn, long off, long len, + void *buf) {} + +POST_SYSCALL(pciconfig_write)(long res, long bus, long dfn, long off, long len, + void *buf) {} + +PRE_SYSCALL(swapon)(const void *specialfile, long swap_flags) { + if (specialfile) + PRE_READ(specialfile, + __sanitizer::internal_strlen((const char *)specialfile) + 1); +} + +POST_SYSCALL(swapon)(long res, const void *specialfile, long swap_flags) {} + +PRE_SYSCALL(swapoff)(const void *specialfile) { + if (specialfile) + PRE_READ(specialfile, + __sanitizer::internal_strlen((const char *)specialfile) + 1); +} + +POST_SYSCALL(swapoff)(long res, const void *specialfile) {} + +PRE_SYSCALL(sysctl)(__sanitizer___sysctl_args *args) { + if (args) { + if (args->name) PRE_READ(args->name, args->nlen * sizeof(*args->name)); + if (args->newval) PRE_READ(args->name, args->newlen); + } +} + +POST_SYSCALL(sysctl)(long res, __sanitizer___sysctl_args *args) { + if (res >= 0) { + if (args && args->oldval && args->oldlenp) { + POST_WRITE(args->oldlenp, sizeof(*args->oldlenp)); + POST_WRITE(args->oldval, *args->oldlenp); + } + } +} + +PRE_SYSCALL(sysinfo)(void *info) {} + +POST_SYSCALL(sysinfo)(long res, void *info) { + if (res >= 0) { + if (info) POST_WRITE(info, struct_sysinfo_sz); + } +} + +PRE_SYSCALL(sysfs)(long option, long arg1, long arg2) {} + +POST_SYSCALL(sysfs)(long res, long option, long arg1, long arg2) {} + +PRE_SYSCALL(syslog)(long type, void *buf, long len) {} + +POST_SYSCALL(syslog)(long res, long type, void *buf, long len) { + if (res >= 0) { + if (buf) + POST_WRITE(buf, __sanitizer::internal_strlen((const char *)buf) + 1); + } +} + +PRE_SYSCALL(uselib)(const void *library) { + if (library) + PRE_READ(library, __sanitizer::internal_strlen((const char *)library) + 1); +} + +POST_SYSCALL(uselib)(long res, const void *library) {} + +PRE_SYSCALL(ni_syscall)() {} + +POST_SYSCALL(ni_syscall)(long res) {} + +PRE_SYSCALL(ptrace)(long request, long pid, long addr, long data) {} + +POST_SYSCALL(ptrace)(long res, long request, long pid, long addr, long data) {} + +PRE_SYSCALL(add_key)(const void *_type, const void *_description, + const void *_payload, long plen, long destringid) { + if (_type) + PRE_READ(_type, __sanitizer::internal_strlen((const char *)_type) + 1); + if (_description) + PRE_READ(_description, + __sanitizer::internal_strlen((const char *)_description) + 1); +} + +POST_SYSCALL(add_key)(long res, const void *_type, const void *_description, + const void *_payload, long plen, long destringid) {} + +PRE_SYSCALL(request_key)(const void *_type, const void *_description, + const void *_callout_info, long destringid) { + if (_type) + PRE_READ(_type, __sanitizer::internal_strlen((const char *)_type) + 1); + if (_description) + PRE_READ(_description, + __sanitizer::internal_strlen((const char *)_description) + 1); + if (_callout_info) + PRE_READ(_callout_info, + __sanitizer::internal_strlen((const char *)_callout_info) + 1); +} + +POST_SYSCALL(request_key)(long res, const void *_type, const void *_description, + const void *_callout_info, long destringid) {} + +PRE_SYSCALL(keyctl)(long cmd, long arg2, long arg3, long arg4, long arg5) {} + +POST_SYSCALL(keyctl)(long res, long cmd, long arg2, long arg3, long arg4, + long arg5) {} + +PRE_SYSCALL(ioprio_set)(long which, long who, long ioprio) {} + +POST_SYSCALL(ioprio_set)(long res, long which, long who, long ioprio) {} + +PRE_SYSCALL(ioprio_get)(long which, long who) {} + +POST_SYSCALL(ioprio_get)(long res, long which, long who) {} + +PRE_SYSCALL(set_mempolicy)(long mode, void *nmask, long maxnode) {} + +POST_SYSCALL(set_mempolicy)(long res, long mode, void *nmask, long maxnode) { + if (res >= 0) { + if (nmask) POST_WRITE(nmask, sizeof(long)); + } +} + +PRE_SYSCALL(migrate_pages)(long pid, long maxnode, const void *from, + const void *to) { + if (from) PRE_READ(from, sizeof(long)); + if (to) PRE_READ(to, sizeof(long)); +} + +POST_SYSCALL(migrate_pages)(long res, long pid, long maxnode, const void *from, + const void *to) {} + +PRE_SYSCALL(move_pages)(long pid, long nr_pages, const void **pages, + const int *nodes, int *status, long flags) { + if (pages) PRE_READ(pages, nr_pages * sizeof(*pages)); + if (nodes) PRE_READ(nodes, nr_pages * sizeof(*nodes)); +} + +POST_SYSCALL(move_pages)(long res, long pid, long nr_pages, const void **pages, + const int *nodes, int *status, long flags) { + if (res >= 0) { + if (status) POST_WRITE(status, nr_pages * sizeof(*status)); + } +} + +PRE_SYSCALL(mbind)(long start, long len, long mode, void *nmask, long maxnode, + long flags) {} + +POST_SYSCALL(mbind)(long res, long start, long len, long mode, void *nmask, + long maxnode, long flags) { + if (res >= 0) { + if (nmask) POST_WRITE(nmask, sizeof(long)); + } +} + +PRE_SYSCALL(get_mempolicy)(void *policy, void *nmask, long maxnode, long addr, + long flags) {} + +POST_SYSCALL(get_mempolicy)(long res, void *policy, void *nmask, long maxnode, + long addr, long flags) { + if (res >= 0) { + if (policy) POST_WRITE(policy, sizeof(int)); + if (nmask) POST_WRITE(nmask, sizeof(long)); + } +} + +PRE_SYSCALL(inotify_init)() {} + +POST_SYSCALL(inotify_init)(long res) {} + +PRE_SYSCALL(inotify_init1)(long flags) {} + +POST_SYSCALL(inotify_init1)(long res, long flags) {} + +PRE_SYSCALL(inotify_add_watch)(long fd, const void *path, long mask) { + if (path) + PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); +} + +POST_SYSCALL(inotify_add_watch)(long res, long fd, const void *path, + long mask) {} + +PRE_SYSCALL(inotify_rm_watch)(long fd, long wd) {} + +POST_SYSCALL(inotify_rm_watch)(long res, long fd, long wd) {} + +PRE_SYSCALL(spu_run)(long fd, void *unpc, void *ustatus) {} + +POST_SYSCALL(spu_run)(long res, long fd, unsigned *unpc, unsigned *ustatus) { + if (res >= 0) { + if (unpc) POST_WRITE(unpc, sizeof(*unpc)); + if (ustatus) POST_WRITE(ustatus, sizeof(*ustatus)); + } +} + +PRE_SYSCALL(spu_create)(const void *name, long flags, long mode, long fd) { + if (name) + PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); +} + +POST_SYSCALL(spu_create)(long res, const void *name, long flags, long mode, + long fd) {} + +PRE_SYSCALL(mknodat)(long dfd, const void *filename, long mode, long dev) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(mknodat)(long res, long dfd, const void *filename, long mode, + long dev) {} + +PRE_SYSCALL(mkdirat)(long dfd, const void *pathname, long mode) { + if (pathname) + PRE_READ(pathname, + __sanitizer::internal_strlen((const char *)pathname) + 1); +} + +POST_SYSCALL(mkdirat)(long res, long dfd, const void *pathname, long mode) {} + +PRE_SYSCALL(unlinkat)(long dfd, const void *pathname, long flag) { + if (pathname) + PRE_READ(pathname, + __sanitizer::internal_strlen((const char *)pathname) + 1); +} + +POST_SYSCALL(unlinkat)(long res, long dfd, const void *pathname, long flag) {} + +PRE_SYSCALL(symlinkat)(const void *oldname, long newdfd, const void *newname) { + if (oldname) + PRE_READ(oldname, __sanitizer::internal_strlen((const char *)oldname) + 1); + if (newname) + PRE_READ(newname, __sanitizer::internal_strlen((const char *)newname) + 1); +} + +POST_SYSCALL(symlinkat)(long res, const void *oldname, long newdfd, + const void *newname) {} + +PRE_SYSCALL(linkat)(long olddfd, const void *oldname, long newdfd, + const void *newname, long flags) { + if (oldname) + PRE_READ(oldname, __sanitizer::internal_strlen((const char *)oldname) + 1); + if (newname) + PRE_READ(newname, __sanitizer::internal_strlen((const char *)newname) + 1); +} + +POST_SYSCALL(linkat)(long res, long olddfd, const void *oldname, long newdfd, + const void *newname, long flags) {} + +PRE_SYSCALL(renameat)(long olddfd, const void *oldname, long newdfd, + const void *newname) { + if (oldname) + PRE_READ(oldname, __sanitizer::internal_strlen((const char *)oldname) + 1); + if (newname) + PRE_READ(newname, __sanitizer::internal_strlen((const char *)newname) + 1); +} + +POST_SYSCALL(renameat)(long res, long olddfd, const void *oldname, long newdfd, + const void *newname) {} + +PRE_SYSCALL(futimesat)(long dfd, const void *filename, void *utimes) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(futimesat)(long res, long dfd, const void *filename, + void *utimes) { + if (res >= 0) { + if (utimes) POST_WRITE(utimes, timeval_sz); + } +} + +PRE_SYSCALL(faccessat)(long dfd, const void *filename, long mode) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(faccessat)(long res, long dfd, const void *filename, long mode) {} + +PRE_SYSCALL(fchmodat)(long dfd, const void *filename, long mode) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(fchmodat)(long res, long dfd, const void *filename, long mode) {} + +PRE_SYSCALL(fchownat)(long dfd, const void *filename, long user, long group, + long flag) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(fchownat)(long res, long dfd, const void *filename, long user, + long group, long flag) {} + +PRE_SYSCALL(openat)(long dfd, const void *filename, long flags, long mode) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(openat)(long res, long dfd, const void *filename, long flags, + long mode) {} + +PRE_SYSCALL(newfstatat)(long dfd, const void *filename, void *statbuf, + long flag) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(newfstatat)(long res, long dfd, const void *filename, + void *statbuf, long flag) { + if (res >= 0) { + if (statbuf) POST_WRITE(statbuf, struct_kernel_stat_sz); + } +} + +PRE_SYSCALL(fstatat64)(long dfd, const void *filename, void *statbuf, + long flag) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(fstatat64)(long res, long dfd, const void *filename, void *statbuf, + long flag) { + if (res >= 0) { + if (statbuf) POST_WRITE(statbuf, struct_kernel_stat64_sz); + } +} + +PRE_SYSCALL(readlinkat)(long dfd, const void *path, void *buf, long bufsiz) { + if (path) + PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); +} + +POST_SYSCALL(readlinkat)(long res, long dfd, const void *path, void *buf, + long bufsiz) { + if (res >= 0) { + if (buf) + POST_WRITE(buf, __sanitizer::internal_strlen((const char *)buf) + 1); + } +} + +PRE_SYSCALL(utimensat)(long dfd, const void *filename, void *utimes, + long flags) { + if (filename) + PRE_READ(filename, + __sanitizer::internal_strlen((const char *)filename) + 1); +} + +POST_SYSCALL(utimensat)(long res, long dfd, const void *filename, void *utimes, + long flags) { + if (res >= 0) { + if (utimes) POST_WRITE(utimes, struct_timespec_sz); + } +} + +PRE_SYSCALL(unshare)(long unshare_flags) {} + +POST_SYSCALL(unshare)(long res, long unshare_flags) {} + +PRE_SYSCALL(splice)(long fd_in, void *off_in, long fd_out, void *off_out, + long len, long flags) {} + +POST_SYSCALL(splice)(long res, long fd_in, void *off_in, long fd_out, + void *off_out, long len, long flags) { + if (res >= 0) { + if (off_in) POST_WRITE(off_in, sizeof(long long)); + if (off_out) POST_WRITE(off_out, sizeof(long long)); + } +} + +PRE_SYSCALL(vmsplice)(long fd, const __sanitizer_iovec *iov, long nr_segs, + long flags) {} + +POST_SYSCALL(vmsplice)(long res, long fd, const __sanitizer_iovec *iov, + long nr_segs, long flags) { + if (res >= 0) { + if (iov) kernel_read_iovec(iov, nr_segs, res); + } +} + +PRE_SYSCALL(tee)(long fdin, long fdout, long len, long flags) {} + +POST_SYSCALL(tee)(long res, long fdin, long fdout, long len, long flags) {} + +PRE_SYSCALL(get_robust_list)(long pid, void *head_ptr, void *len_ptr) {} + +POST_SYSCALL(get_robust_list)(long res, long pid, void *head_ptr, + void *len_ptr) {} + +PRE_SYSCALL(set_robust_list)(void *head, long len) {} + +POST_SYSCALL(set_robust_list)(long res, void *head, long len) {} + +PRE_SYSCALL(getcpu)(void *cpu, void *node, void *cache) {} + +POST_SYSCALL(getcpu)(long res, void *cpu, void *node, void *cache) { + if (res >= 0) { + if (cpu) POST_WRITE(cpu, sizeof(unsigned)); + if (node) POST_WRITE(node, sizeof(unsigned)); + // The third argument to this system call is nowadays unused. + } +} + +PRE_SYSCALL(signalfd)(long ufd, void *user_mask, long sizemask) {} + +POST_SYSCALL(signalfd)(long res, long ufd, kernel_sigset_t *user_mask, + long sizemask) { + if (res >= 0) { + if (user_mask) POST_WRITE(user_mask, sizemask); + } +} + +PRE_SYSCALL(signalfd4)(long ufd, void *user_mask, long sizemask, long flags) {} + +POST_SYSCALL(signalfd4)(long res, long ufd, kernel_sigset_t *user_mask, + long sizemask, long flags) { + if (res >= 0) { + if (user_mask) POST_WRITE(user_mask, sizemask); + } +} + +PRE_SYSCALL(timerfd_create)(long clockid, long flags) {} + +POST_SYSCALL(timerfd_create)(long res, long clockid, long flags) {} + +PRE_SYSCALL(timerfd_settime)(long ufd, long flags, const void *utmr, + void *otmr) { + if (utmr) PRE_READ(utmr, struct_itimerspec_sz); +} + +POST_SYSCALL(timerfd_settime)(long res, long ufd, long flags, const void *utmr, + void *otmr) { + if (res >= 0) { + if (otmr) POST_WRITE(otmr, struct_itimerspec_sz); + } +} + +PRE_SYSCALL(timerfd_gettime)(long ufd, void *otmr) {} + +POST_SYSCALL(timerfd_gettime)(long res, long ufd, void *otmr) { + if (res >= 0) { + if (otmr) POST_WRITE(otmr, struct_itimerspec_sz); + } +} + +PRE_SYSCALL(eventfd)(long count) {} + +POST_SYSCALL(eventfd)(long res, long count) {} + +PRE_SYSCALL(eventfd2)(long count, long flags) {} + +POST_SYSCALL(eventfd2)(long res, long count, long flags) {} + +PRE_SYSCALL(old_readdir)(long arg0, void *arg1, long arg2) {} + +POST_SYSCALL(old_readdir)(long res, long arg0, void *arg1, long arg2) { + // Missing definition of 'struct old_linux_dirent'. +} + +PRE_SYSCALL(pselect6)(long arg0, __kernel_fd_set *arg1, __kernel_fd_set *arg2, + __kernel_fd_set *arg3, void *arg4, void *arg5) {} + +POST_SYSCALL(pselect6)(long res, long arg0, __kernel_fd_set *arg1, + __kernel_fd_set *arg2, __kernel_fd_set *arg3, void *arg4, + void *arg5) { + if (res >= 0) { + if (arg1) POST_WRITE(arg1, sizeof(*arg1)); + if (arg2) POST_WRITE(arg2, sizeof(*arg2)); + if (arg3) POST_WRITE(arg3, sizeof(*arg3)); + if (arg4) POST_WRITE(arg4, struct_timespec_sz); + } +} + +PRE_SYSCALL(ppoll)(__sanitizer_pollfd *arg0, long arg1, void *arg2, + const kernel_sigset_t *arg3, long arg4) { + if (arg3) PRE_READ(arg3, arg4); +} + +POST_SYSCALL(ppoll)(long res, __sanitizer_pollfd *arg0, long arg1, void *arg2, + const void *arg3, long arg4) { + if (res >= 0) { + if (arg0) POST_WRITE(arg0, sizeof(*arg0)); + if (arg2) POST_WRITE(arg2, struct_timespec_sz); + } +} + +PRE_SYSCALL(syncfs)(long fd) {} + +POST_SYSCALL(syncfs)(long res, long fd) {} + +PRE_SYSCALL(perf_event_open)(void *attr_uptr, long pid, long cpu, long group_fd, + long flags) {} + +POST_SYSCALL(perf_event_open)(long res, void *attr_uptr, long pid, long cpu, + long group_fd, long flags) { + if (res >= 0) { + if (attr_uptr) POST_WRITE(attr_uptr, struct_perf_event_attr_sz); + } +} + +PRE_SYSCALL(mmap_pgoff)(long addr, long len, long prot, long flags, long fd, + long pgoff) {} + +POST_SYSCALL(mmap_pgoff)(long res, long addr, long len, long prot, long flags, + long fd, long pgoff) {} + +PRE_SYSCALL(old_mmap)(void *arg) {} + +POST_SYSCALL(old_mmap)(long res, void *arg) {} + +PRE_SYSCALL(name_to_handle_at)(long dfd, const void *name, void *handle, + void *mnt_id, long flag) {} + +POST_SYSCALL(name_to_handle_at)(long res, long dfd, const void *name, + void *handle, void *mnt_id, long flag) {} + +PRE_SYSCALL(open_by_handle_at)(long mountdirfd, void *handle, long flags) {} + +POST_SYSCALL(open_by_handle_at)(long res, long mountdirfd, void *handle, + long flags) {} + +PRE_SYSCALL(setns)(long fd, long nstype) {} + +POST_SYSCALL(setns)(long res, long fd, long nstype) {} + +PRE_SYSCALL(process_vm_readv)(long pid, const __sanitizer_iovec *lvec, + long liovcnt, const void *rvec, long riovcnt, + long flags) {} + +POST_SYSCALL(process_vm_readv)(long res, long pid, + const __sanitizer_iovec *lvec, long liovcnt, + const void *rvec, long riovcnt, long flags) { + if (res >= 0) { + if (lvec) kernel_write_iovec(lvec, liovcnt, res); + } +} + +PRE_SYSCALL(process_vm_writev)(long pid, const __sanitizer_iovec *lvec, + long liovcnt, const void *rvec, long riovcnt, + long flags) {} + +POST_SYSCALL(process_vm_writev)(long res, long pid, + const __sanitizer_iovec *lvec, long liovcnt, + const void *rvec, long riovcnt, long flags) { + if (res >= 0) { + if (lvec) kernel_read_iovec(lvec, liovcnt, res); + } +} +} // extern "C" + +#undef PRE_SYSCALL +#undef PRE_READ +#undef PRE_WRITE +#undef POST_SYSCALL +#undef POST_READ +#undef POST_WRITE + +#endif // SANITIZER_LINUX diff --git a/lib/sanitizer_common/sanitizer_platform_limits_linux.cc b/lib/sanitizer_common/sanitizer_platform_limits_linux.cc new file mode 100644 index 000000000..a957cbe3e --- /dev/null +++ b/lib/sanitizer_common/sanitizer_platform_limits_linux.cc @@ -0,0 +1,47 @@ +//===-- sanitizer_platform_limits_linux.cc --------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file is a part of Sanitizer common code. +// +// Sizes and layouts of linux kernel data structures. +//===----------------------------------------------------------------------===// + +// This is a separate compilation unit for linux headers that conflict with +// userspace headers. +// Most "normal" includes go in sanitizer_platform_limits_posix.cc + +#include "sanitizer_platform.h" +#if SANITIZER_LINUX + +// This header seems to contain the definitions of _kernel_ stat* structs. +#include +#include + +#if !SANITIZER_ANDROID +#include +#endif + +namespace __sanitizer { + unsigned struct___old_kernel_stat_sz = sizeof(struct __old_kernel_stat); + unsigned struct_kernel_stat_sz = sizeof(struct stat); + unsigned struct_io_event_sz = sizeof(struct io_event); + unsigned struct_iocb_sz = sizeof(struct iocb); + +#ifndef _LP64 + unsigned struct_kernel_stat64_sz = sizeof(struct stat64); +#else + unsigned struct_kernel_stat64_sz = 0; +#endif + +#if !SANITIZER_ANDROID + unsigned struct_perf_event_attr_sz = sizeof(struct perf_event_attr); +#endif +} // namespace __sanitizer + +#endif // SANITIZER_LINUX diff --git a/lib/sanitizer_common/sanitizer_platform_limits_posix.cc b/lib/sanitizer_common/sanitizer_platform_limits_posix.cc index c8584ea1f..26fef2a4f 100644 --- a/lib/sanitizer_common/sanitizer_platform_limits_posix.cc +++ b/lib/sanitizer_common/sanitizer_platform_limits_posix.cc @@ -36,6 +36,7 @@ #include #include #include +#include #include #include #include @@ -43,6 +44,7 @@ #include #if SANITIZER_LINUX +#include #include #include #include @@ -54,6 +56,8 @@ #include #include #include +#include +#include #endif #if !SANITIZER_ANDROID @@ -62,6 +66,7 @@ #if SANITIZER_LINUX && !SANITIZER_ANDROID #include +#include #include #include #include @@ -69,7 +74,10 @@ #include #include #include +#include +#include #include +#include #include #include #include @@ -78,6 +86,7 @@ #include #include #include +#include #endif // SANITIZER_LINUX && !SANITIZER_ANDROID #if SANITIZER_ANDROID @@ -91,6 +100,8 @@ #include #include #include +// #include +#include #endif // SANITIZER_LINUX #if SANITIZER_MAC @@ -116,6 +127,10 @@ namespace __sanitizer { unsigned uid_t_sz = sizeof(uid_t); unsigned mbstate_t_sz = sizeof(mbstate_t); unsigned sigset_t_sz = sizeof(sigset_t); + unsigned struct_timezone_sz = sizeof(struct timezone); + unsigned struct_tms_sz = sizeof(struct tms); + unsigned struct_sigevent_sz = sizeof(struct sigevent); + unsigned struct_sched_param_sz = sizeof(struct sched_param); #if !SANITIZER_ANDROID unsigned ucontext_t_sz = sizeof(ucontext_t); @@ -127,11 +142,24 @@ namespace __sanitizer { unsigned struct_epoll_event_sz = sizeof(struct epoll_event); unsigned struct_sysinfo_sz = sizeof(struct sysinfo); unsigned struct_timespec_sz = sizeof(struct timespec); + unsigned __user_cap_header_struct_sz = + sizeof(struct __user_cap_header_struct); + unsigned __user_cap_data_struct_sz = sizeof(struct __user_cap_data_struct); + unsigned struct_utimbuf_sz = sizeof(struct utimbuf); + unsigned struct_new_utsname_sz = sizeof(struct new_utsname); + unsigned struct_old_utsname_sz = sizeof(struct old_utsname); + unsigned struct_oldold_utsname_sz = sizeof(struct oldold_utsname); + unsigned struct_itimerspec_sz = sizeof(struct itimerspec); + unsigned struct_ustat_sz = sizeof(struct ustat); #endif // SANITIZER_LINUX #if SANITIZER_LINUX && !SANITIZER_ANDROID unsigned struct_rlimit64_sz = sizeof(struct rlimit64); unsigned struct_statfs64_sz = sizeof(struct statfs64); + unsigned struct_timex_sz = sizeof(struct timex); + unsigned struct_msqid_ds_sz = sizeof(struct msqid_ds); + unsigned struct_shmid_ds_sz = sizeof(struct shmid_ds); + unsigned struct_mq_attr_sz = sizeof(struct mq_attr); #endif // SANITIZER_LINUX && !SANITIZER_ANDROID uptr sig_ign = (uptr)SIG_IGN; @@ -827,5 +855,14 @@ CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_flags); CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_restorer); #endif -#endif // SANITIZER_LINUX || SANITIZER_MAC +#if SANITIZER_LINUX +CHECK_TYPE_SIZE(__sysctl_args); +CHECK_SIZE_AND_OFFSET(__sysctl_args, name); +CHECK_SIZE_AND_OFFSET(__sysctl_args, nlen); +CHECK_SIZE_AND_OFFSET(__sysctl_args, oldval); +CHECK_SIZE_AND_OFFSET(__sysctl_args, oldlenp); +CHECK_SIZE_AND_OFFSET(__sysctl_args, newval); +CHECK_SIZE_AND_OFFSET(__sysctl_args, newlen); +#endif +#endif // SANITIZER_LINUX || SANITIZER_MAC diff --git a/lib/sanitizer_common/sanitizer_platform_limits_posix.h b/lib/sanitizer_common/sanitizer_platform_limits_posix.h index a602bfe0b..34f7b0909 100644 --- a/lib/sanitizer_common/sanitizer_platform_limits_posix.h +++ b/lib/sanitizer_common/sanitizer_platform_limits_posix.h @@ -17,6 +17,12 @@ #include "sanitizer_platform.h" +#if SANITIZER_LINUX +// This header is limited to declaration of __kernel_*_t, which are unlikely to +// conflict with any sanitizer declarations. +#include +#endif + namespace __sanitizer { extern unsigned struct_utsname_sz; extern unsigned struct_stat_sz; @@ -32,17 +38,52 @@ namespace __sanitizer { extern unsigned timeval_sz; extern unsigned uid_t_sz; extern unsigned mbstate_t_sz; + extern unsigned struct_timezone_sz; + extern unsigned struct_tms_sz; + extern unsigned struct_itimerspec_sz; + extern unsigned struct_sigevent_sz; + extern unsigned struct_sched_param_sz; #if !SANITIZER_ANDROID extern unsigned ucontext_t_sz; #endif // !SANITIZER_ANDROID #if SANITIZER_LINUX + extern unsigned struct___old_kernel_stat_sz; + extern unsigned struct_kernel_stat_sz; + extern unsigned struct_kernel_stat64_sz; + extern unsigned struct_io_event_sz; + extern unsigned struct_iocb_sz; + extern unsigned struct_utimbuf_sz; + extern unsigned struct_new_utsname_sz; + extern unsigned struct_old_utsname_sz; + extern unsigned struct_oldold_utsname_sz; + extern unsigned struct_msqid_ds_sz; + extern unsigned struct_shmid_ds_sz; + extern unsigned struct_mq_attr_sz; + extern unsigned struct_perf_event_attr_sz; + extern unsigned struct_timex_sz; + extern unsigned struct_ustat_sz; + extern unsigned struct_rlimit_sz; extern unsigned struct_statfs_sz; extern unsigned struct_epoll_event_sz; extern unsigned struct_sysinfo_sz; extern unsigned struct_timespec_sz; + extern unsigned __user_cap_header_struct_sz; + extern unsigned __user_cap_data_struct_sz; + const unsigned old_sigset_t_sz = sizeof(unsigned long); + const unsigned struct_kexec_segment_sz = 4 * sizeof(unsigned long); + + struct __sanitizer___sysctl_args { + int *name; + int nlen; + void *oldval; + uptr *oldlenp; + void *newval; + uptr newlen; + unsigned long __unused[4]; + }; #endif // SANITIZER_LINUX #if SANITIZER_LINUX && !SANITIZER_ANDROID -- cgit v1.2.3