diff options
Diffstat (limited to 'lib/msan/msan_interceptors.cc')
-rw-r--r-- | lib/msan/msan_interceptors.cc | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/lib/msan/msan_interceptors.cc b/lib/msan/msan_interceptors.cc index 65671eebe..005705efa 100644 --- a/lib/msan/msan_interceptors.cc +++ b/lib/msan/msan_interceptors.cc @@ -874,17 +874,42 @@ INTERCEPTOR(int, getrlimit, int resource, void *rlim) { #if !SANITIZER_FREEBSD INTERCEPTOR(int, getrlimit64, int resource, void *rlim) { - if (msan_init_is_running) - return REAL(getrlimit64)(resource, rlim); + if (msan_init_is_running) return REAL(getrlimit64)(resource, rlim); ENSURE_MSAN_INITED(); int res = REAL(getrlimit64)(resource, rlim); - if (!res) - __msan_unpoison(rlim, __sanitizer::struct_rlimit64_sz); + if (!res) __msan_unpoison(rlim, __sanitizer::struct_rlimit64_sz); + return res; +} + +INTERCEPTOR(int, prlimit, int pid, int resource, void *new_rlimit, + void *old_rlimit) { + if (msan_init_is_running) + return REAL(prlimit)(pid, resource, new_rlimit, old_rlimit); + ENSURE_MSAN_INITED(); + CHECK_UNPOISONED(new_rlimit, __sanitizer::struct_rlimit_sz); + int res = REAL(prlimit)(pid, resource, new_rlimit, old_rlimit); + if (!res) __msan_unpoison(old_rlimit, __sanitizer::struct_rlimit_sz); return res; } + +INTERCEPTOR(int, prlimit64, int pid, int resource, void *new_rlimit, + void *old_rlimit) { + if (msan_init_is_running) + return REAL(prlimit64)(pid, resource, new_rlimit, old_rlimit); + ENSURE_MSAN_INITED(); + CHECK_UNPOISONED(new_rlimit, __sanitizer::struct_rlimit64_sz); + int res = REAL(prlimit64)(pid, resource, new_rlimit, old_rlimit); + if (!res) __msan_unpoison(old_rlimit, __sanitizer::struct_rlimit64_sz); + return res; +} + #define MSAN_MAYBE_INTERCEPT_GETRLIMIT64 INTERCEPT_FUNCTION(getrlimit64) +#define MSAN_MAYBE_INTERCEPT_PRLIMIT INTERCEPT_FUNCTION(prlimit) +#define MSAN_MAYBE_INTERCEPT_PRLIMIT64 INTERCEPT_FUNCTION(prlimit64) #else #define MSAN_MAYBE_INTERCEPT_GETRLIMIT64 +#define MSAN_MAYBE_INTERCEPT_PRLIMIT +#define MSAN_MAYBE_INTERCEPT_PRLIMIT64 #endif #if SANITIZER_FREEBSD @@ -1616,6 +1641,8 @@ void InitializeInterceptors() { MSAN_MAYBE_INTERCEPT_FGETS_UNLOCKED; INTERCEPT_FUNCTION(getrlimit); MSAN_MAYBE_INTERCEPT_GETRLIMIT64; + MSAN_MAYBE_INTERCEPT_PRLIMIT; + MSAN_MAYBE_INTERCEPT_PRLIMIT64; MSAN_INTERCEPT_UNAME; INTERCEPT_FUNCTION(gethostname); MSAN_MAYBE_INTERCEPT_EPOLL_WAIT; |