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 // UNSUPPORTED: darwin, aarch64 5 6 #include <assert.h> 7 #include <sys/wait.h> 8 #include <unistd.h> 9 #include <signal.h> 10 main(int argc,char ** argv)11int main(int argc, char **argv) { 12 pid_t pid = fork(); 13 if (pid) { // parent 14 int x[3]; 15 int *status = x + argc * 3; 16 int res; 17 18 siginfo_t *si = (siginfo_t*)(x + argc * 3); 19 res = waitid(P_ALL, 0, si, WEXITED | WNOHANG); 20 // CHECK: stack-buffer-overflow 21 // CHECK: {{WRITE of size .* at 0x.* thread T0}} 22 // CHECK: {{in .*waitid}} 23 // CHECK: {{in main .*waitid.cpp:}} 24 // CHECK: is located in stack of thread T0 at offset 25 // CHECK: {{in main}} 26 return res != -1; 27 } 28 // child 29 return 0; 30 } 31