#define INIT_GETRANDOM
#endif
+#if SANITIZER_INTERCEPT_CRYPT
+INTERCEPTOR(char *, crypt, char *key, char *salt) {
+ void *ctx;
+ COMMON_INTERCEPTOR_ENTER(ctx, crypt, key, salt);
+ COMMON_INTERCEPTOR_READ_RANGE(ctx, key, internal_strlen(key) + 1);
+ COMMON_INTERCEPTOR_READ_RANGE(ctx, salt, internal_strlen(salt) + 1);
+ char *res = REAL(crypt)(key, salt);
+ if (res != nullptr)
+ COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1);
+ return res;
+}
+#define INIT_CRYPT COMMON_INTERCEPT_FUNCTION(crypt);
+#else
+#define INIT_CRYPT
+#endif
+
+#if SANITIZER_INTERCEPT_CRYPT_R
+INTERCEPTOR(char *, crypt_r, char *key, char *salt, void *data) {
+ void *ctx;
+ COMMON_INTERCEPTOR_ENTER(ctx, crypt_r, key, salt, data);
+ COMMON_INTERCEPTOR_READ_RANGE(ctx, key, internal_strlen(key) + 1);
+ COMMON_INTERCEPTOR_READ_RANGE(ctx, salt, internal_strlen(salt) + 1);
+ char *res = REAL(crypt_r)(key, salt, data);
+ if (res != nullptr) {
+ COMMON_INTERCEPTOR_WRITE_RANGE(ctx, data,
+ __sanitizer::struct_crypt_data_sz);
+ COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, internal_strlen(res) + 1);
+ }
+ return res;
+}
+#define INIT_CRYPT_R COMMON_INTERCEPT_FUNCTION(crypt_r);
+#else
+#define INIT_CRYPT_R
+#endif
+
static void InitializeCommonInterceptors() {
#if SI_POSIX
static u64 metadata_mem[sizeof(MetadataHashMap) / sizeof(u64) + 1];
INIT_GETUSERSHELL;
INIT_SL_INIT;
INIT_GETRANDOM;
+ INIT_CRYPT;
+ INIT_CRYPT_R;
INIT___PRINTF_CHK;
}
#define SANITIZER_INTERCEPT_FDEVNAME SI_FREEBSD
#define SANITIZER_INTERCEPT_GETUSERSHELL (SI_POSIX && !SI_ANDROID)
#define SANITIZER_INTERCEPT_SL_INIT (SI_FREEBSD || SI_NETBSD)
+#define SANITIZER_INTERCEPT_CRYPT (SI_POSIX && !SI_ANDROID)
+#define SANITIZER_INTERCEPT_CRYPT_R (SI_LINUX && !SI_ANDROID)
#define SANITIZER_INTERCEPT_GETRANDOM (SI_LINUX && __GLIBC_PREREQ(2, 25))
#define SANITIZER_INTERCEPT___CXA_ATEXIT SI_NETBSD
#include <linux/serial.h>
#include <sys/msg.h>
#include <sys/ipc.h>
+#include <crypt.h>
#endif // SANITIZER_LINUX && !SANITIZER_ANDROID
#if SANITIZER_ANDROID
unsigned struct_ustat_sz = SIZEOF_STRUCT_USTAT;
unsigned struct_rlimit64_sz = sizeof(struct rlimit64);
unsigned struct_statvfs64_sz = sizeof(struct statvfs64);
+ unsigned struct_crypt_data_sz = sizeof(struct crypt_data);
#endif // SANITIZER_LINUX && !SANITIZER_ANDROID
#if SANITIZER_LINUX && !SANITIZER_ANDROID
extern unsigned struct_mq_attr_sz;
extern unsigned struct_timex_sz;
extern unsigned struct_statvfs_sz;
+extern unsigned struct_crypt_data_sz;
#endif // SANITIZER_LINUX && !SANITIZER_ANDROID
struct __sanitizer_iovec {
--- /dev/null
+// RUN: %clangxx -O0 -g %s -lcrypt -o %t && %run %t
+
+#include <assert.h>
+#include <unistd.h>
+#include <cstring>
+#include <crypt.h>
+
+#include <sanitizer/msan_interface.h>
+
+int
+main (int argc, char** argv)
+{
+ {
+ crypt_data cd;
+ cd.initialized = 0;
+ char *p = crypt_r("abcdef", "xz", &cd);
+ volatile size_t z = strlen(p);
+ }
+ {
+ crypt_data cd;
+ cd.initialized = 0;
+ char *p = crypt_r("abcdef", "$1$", &cd);
+ volatile size_t z = strlen(p);
+ }
+ {
+ crypt_data cd;
+ cd.initialized = 0;
+ char *p = crypt_r("abcdef", "$5$", &cd);
+ volatile size_t z = strlen(p);
+ }
+ {
+ crypt_data cd;
+ cd.initialized = 0;
+ char *p = crypt_r("abcdef", "$6$", &cd);
+ volatile size_t z = strlen(p);
+ }
+}
--- /dev/null
+// RUN: %clangxx -O0 -g %s -o %t -lcrypt && %run %t
+
+#include <assert.h>
+#include <unistd.h>
+#include <cstring>
+
+int
+main (int argc, char** argv)
+{
+ {
+ char *p = crypt("abcdef", "xz");
+ volatile size_t z = strlen(p);
+ }
+ {
+ char *p = crypt("abcdef", "$1$");
+ volatile size_t z = strlen(p);
+ }
+ {
+ char *p = crypt("abcdef", "$5$");
+ volatile size_t z = strlen(p);
+ }
+ {
+ char *p = crypt("abcdef", "$6$");
+ volatile size_t z = strlen(p);
+ }
+}