diff options
Diffstat (limited to 'openbsd-compat/explicit_bzero.c')
| -rw-r--r-- | openbsd-compat/explicit_bzero.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/openbsd-compat/explicit_bzero.c b/openbsd-compat/explicit_bzero.c index 3c85a4843a475..5078134d137a8 100644 --- a/openbsd-compat/explicit_bzero.c +++ b/openbsd-compat/explicit_bzero.c @@ -7,6 +7,8 @@ #include "includes.h" +#include <string.h> + /* * explicit_bzero - don't let the compiler optimize away bzero */ @@ -32,6 +34,17 @@ static void (* volatile ssh_bzero)(void *, size_t) = bzero; void explicit_bzero(void *p, size_t n) { + /* + * clang -fsanitize=memory needs to intercept memset-like functions + * to correctly detect memory initialisation. Make sure one is called + * directly since our indirection trick above sucessfully confuses it. + */ +#if defined(__has_feature) +# if __has_feature(memory_sanitizer) + memset(p, 0, n); +# endif +#endif + ssh_bzero(p, n); } |