diff options
| -rw-r--r-- | lib/sanitizer_common/sanitizer_common_interceptors.inc | 18 | ||||
| -rw-r--r-- | lib/sanitizer_common/sanitizer_platform_interceptors.h | 1 | ||||
| -rw-r--r-- | test/sanitizer_common/TestCases/NetBSD/lstat.cc | 16 |
3 files changed, 35 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_common_interceptors.inc b/lib/sanitizer_common/sanitizer_common_interceptors.inc index 85269e271..baf47e63b 100644 --- a/lib/sanitizer_common/sanitizer_common_interceptors.inc +++ b/lib/sanitizer_common/sanitizer_common_interceptors.inc @@ -92,6 +92,7 @@ #define localtime __locatime50 #define localtime_r __localtime_r50 #define mktime __mktime50 +#define lstat __lstat50 #define opendir __opendir30 #define readdir __readdir30 #define readdir_r __readdir_r30 @@ -6277,6 +6278,22 @@ INTERCEPTOR(int, stat, const char *path, void *buf) { #define INIT_STAT #endif +#if SANITIZER_INTERCEPT_LSTAT +INTERCEPTOR(int, lstat, const char *path, void *buf) { + void *ctx; + COMMON_INTERCEPTOR_ENTER(ctx, lstat, path, buf); + if (common_flags()->intercept_stat) + COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0); + int res = REAL(lstat)(path, buf); + if (!res) + COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat_sz); + return res; +} +#define INIT_LSTAT COMMON_INTERCEPT_FUNCTION(lstat) +#else +#define INIT_LSTAT +#endif + #if SANITIZER_INTERCEPT___XSTAT INTERCEPTOR(int, __xstat, int version, const char *path, void *buf) { void *ctx; @@ -6991,6 +7008,7 @@ static void InitializeCommonInterceptors() { INIT_SEND_SENDTO; INIT_STAT; INIT_EVENTFD_READ_WRITE; + INIT_LSTAT; INIT___XSTAT; INIT___XSTAT64; INIT___LXSTAT; diff --git a/lib/sanitizer_common/sanitizer_platform_interceptors.h b/lib/sanitizer_common/sanitizer_platform_interceptors.h index 611b27581..5ccbb3155 100644 --- a/lib/sanitizer_common/sanitizer_platform_interceptors.h +++ b/lib/sanitizer_common/sanitizer_platform_interceptors.h @@ -406,6 +406,7 @@ #define SANITIZER_INTERCEPT_STAT \ (SI_FREEBSD || SI_MAC || SI_ANDROID || SI_NETBSD || SI_SOLARIS) +#define SANITIZER_INTERCEPT_LSTAT SI_NETBSD #define SANITIZER_INTERCEPT___XSTAT (!SANITIZER_INTERCEPT_STAT && SI_POSIX) #define SANITIZER_INTERCEPT___XSTAT64 SI_LINUX_NOT_ANDROID #define SANITIZER_INTERCEPT___LXSTAT SANITIZER_INTERCEPT___XSTAT diff --git a/test/sanitizer_common/TestCases/NetBSD/lstat.cc b/test/sanitizer_common/TestCases/NetBSD/lstat.cc new file mode 100644 index 000000000..37237d821 --- /dev/null +++ b/test/sanitizer_common/TestCases/NetBSD/lstat.cc @@ -0,0 +1,16 @@ +// RUN: %clangxx -O0 -g %s -o %t && %run %t + +#include <stdlib.h> +#include <sys/stat.h> + +int main(void) { + struct stat st; + + if (lstat("/dev/null", &st)) + exit(1); + + if (!S_ISCHR(st.st_mode)) + exit(1); + + return 0; +} |