From cbdf93a9b677d7f85dc486f1899ca0e764ae8e1d Mon Sep 17 00:00:00 2001 From: Evgeniy Stepanov Date: Wed, 25 Oct 2017 21:40:17 +0000 Subject: [msan] Intercept __strxfrm_l. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@316613 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/msan/msan_interceptors.cc | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'lib/msan') diff --git a/lib/msan/msan_interceptors.cc b/lib/msan/msan_interceptors.cc index d14ebb30d..72bb7455d 100644 --- a/lib/msan/msan_interceptors.cc +++ b/lib/msan/msan_interceptors.cc @@ -457,6 +457,20 @@ INTERCEPTOR(SIZE_T, strxfrm_l, char *dest, const char *src, SIZE_T n, return res; } +#if SANITIZER_LINUX +INTERCEPTOR(SIZE_T, __strxfrm_l, char *dest, const char *src, SIZE_T n, + void *loc) { + ENSURE_MSAN_INITED(); + CHECK_UNPOISONED(src, REAL(strlen)(src) + 1); + SIZE_T res = REAL(__strxfrm_l)(dest, src, n, loc); + if (res < n) __msan_unpoison(dest, res + 1); + return res; +} +#define MSAN_MAYBE_INTERCEPT___STRXFRM_L INTERCEPT_FUNCTION(__strxfrm_l) +#else +#define MSAN_MAYBE_INTERCEPT___STRXFRM_L +#endif + #define INTERCEPTOR_STRFTIME_BODY(char_type, ret_type, func, s, ...) \ ENSURE_MSAN_INITED(); \ ret_type res = REAL(func)(s, __VA_ARGS__); \ @@ -1521,6 +1535,7 @@ void InitializeInterceptors() { #endif INTERCEPT_FUNCTION(strxfrm); INTERCEPT_FUNCTION(strxfrm_l); + MSAN_MAYBE_INTERCEPT___STRXFRM_L; INTERCEPT_FUNCTION(strftime); INTERCEPT_FUNCTION(strftime_l); MSAN_MAYBE_INTERCEPT___STRFTIME_L; -- cgit v1.2.3