1 // RUN: %clangxx_asan -DWAIT4 -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s 2 // RUN: %clangxx_asan -DWAIT4 -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s 3 4 // RUN: %clangxx_asan -DWAIT4_RUSAGE -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s 5 // RUN: %clangxx_asan -DWAIT4_RUSAGE -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s 6 7 // XFAIL: android 8 9 #include <assert.h> 10 #include <sys/wait.h> 11 #include <unistd.h> 12 main(int argc,char ** argv)13int main(int argc, char **argv) { 14 // This test passes on some versions of Android NDK and fails on other. 15 // https://code.google.com/p/memory-sanitizer/issues/detail?id=64 16 // Make it fail unconditionally on Android. 17 #ifdef __ANDROID__ 18 return 0; 19 #endif 20 21 pid_t pid = fork(); 22 if (pid) { // parent 23 int x[3]; 24 int *status = x + argc * 3; 25 int res; 26 #if defined(WAIT4) 27 res = wait4(pid, status, WNOHANG, NULL); 28 #elif defined(WAIT4_RUSAGE) 29 struct rusage *ru = (struct rusage*)(x + argc * 3); 30 int good_status; 31 res = wait4(pid, &good_status, WNOHANG, ru); 32 #endif 33 // CHECK: stack-buffer-overflow 34 // CHECK: {{WRITE of size .* at 0x.* thread T0}} 35 // CHECK: {{in .*wait}} 36 // CHECK: {{in main .*wait4.cc:}} 37 // CHECK: is located in stack of thread T0 at offset 38 // CHECK: {{in main}} 39 return res == -1 ? 1 : 0; 40 } 41 // child 42 return 0; 43 } 44