1 // RUN: %clangxx_msan -std=c++11 -O0 -g %s -o %t
3 // RUN: not %run %t A_ 2>&1 | FileCheck %s
4 // RUN: not %run %t AH 2>&1 | FileCheck %s
5 // RUN: not %run %t B_ 2>&1 | FileCheck %s
6 // RUN: not %run %t BH 2>&1 | FileCheck %s
7 // RUN: not %run %t C_ 2>&1 | FileCheck %s
8 // RUN: not %run %t CH 2>&1 | FileCheck %s
16 #include <sanitizer/msan_interface.h>
19 void action(int, siginfo_t *, void *) {}
21 int main(int argc, char **argv) {
25 memset(&sa, 0, sizeof(sa));
27 sa.sa_handler = handler;
29 sa.sa_sigaction = action;
30 sa.sa_flags = SA_SIGINFO;
35 __msan_poison(&sa.sa_handler, sizeof(sa.sa_handler));
37 __msan_poison(&sa.sa_sigaction, sizeof(sa.sa_sigaction));
40 __msan_poison(&sa.sa_flags, sizeof(sa.sa_flags));
42 __msan_poison(&sa.sa_mask, sizeof(sa.sa_mask));
43 // CHECK: use-of-uninitialized-value
44 int res = sigaction(SIGUSR1, &sa, nullptr);