35 lines · cpp
1// RUN: %clangxx_asan -DWAIT -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s2// RUN: %clangxx_asan -DWAIT -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s3 4// RUN: %clangxx_asan -DWAITPID -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s5// RUN: %clangxx_asan -DWAITPID -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s6 7// UNSUPPORTED: darwin8 9#include <assert.h>10#include <sys/wait.h>11#include <unistd.h>12 13int main(int argc, char **argv) {14 pid_t pid = fork();15 if (pid) { // parent16 int x[3];17 int *status = x + argc * 3;18 int res;19#if defined(WAIT)20 res = wait(status);21#elif defined(WAITPID)22 res = waitpid(pid, status, WNOHANG);23#endif24 // CHECK: stack-buffer-overflow25 // CHECK: {{WRITE of size .* at 0x.* thread T0}}26 // CHECK: {{in .*wait}}27 // CHECK: {{in main .*wait.cpp:}}28 // CHECK: is located in stack of thread T0 at offset29 // CHECK: {{in main}}30 return res == -1 ? 1 : 0;31 }32 // child33 return 0;34}35