1 // RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s 2 // RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s 3 4 #include <assert.h> 5 #include <sys/wait.h> 6 #include <unistd.h> 7 #include <signal.h> 8 9 int main(int argc, char **argv) { 10 pid_t pid = fork(); 11 if (pid) { // parent 12 int x[3]; 13 int *status = x + argc * 3; 14 int res; 15 16 siginfo_t *si = (siginfo_t*)(x + argc * 3); 17 res = waitid(P_ALL, 0, si, WEXITED | WNOHANG); 18 // CHECK: stack-buffer-overflow 19 // CHECK: {{WRITE of size .* at 0x.* thread T0}} 20 // CHECK: {{in .*waitid}} 21 // CHECK: {{in main .*waitid.cc:}} 22 // CHECK: is located in stack of thread T0 at offset 23 // CHECK: {{in main}} 24 return res != -1; 25 } 26 // child 27 return 0; 28 } 29
