1 // RUN: %clangxx_asan -DWAIT -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s 2 // RUN: %clangxx_asan -DWAIT -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s 3 4 // RUN: %clangxx_asan -DWAITPID -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s 5 // RUN: %clangxx_asan -DWAITPID -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s 6 7 8 #include <assert.h> 9 #include <sys/wait.h> 10 #include <unistd.h> 11 12 int main(int argc, char **argv) { 13 pid_t pid = fork(); 14 if (pid) { // parent 15 int x[3]; 16 int *status = x + argc * 3; 17 int res; 18 #if defined(WAIT) 19 res = wait(status); 20 #elif defined(WAITPID) 21 res = waitpid(pid, status, WNOHANG); 22 #endif 23 // CHECK: stack-buffer-overflow 24 // CHECK: {{WRITE of size .* at 0x.* thread T0}} 25 // CHECK: {{in .*wait}} 26 // CHECK: {{in main .*wait.cc:}} 27 // CHECK: is located in stack of thread T0 at offset 28 // CHECK: {{in main}} 29 return res == -1 ? 1 : 0; 30 } 31 // child 32 return 0; 33 } 34
