File: wait.cpp

package info (click to toggle)
swiftlang 6.1.3-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,532 kB
  • sloc: cpp: 9,901,743; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (34 lines) | stat: -rw-r--r-- 951 bytes parent folder | download | duplicates (31) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
 
// RUN: %clangxx_asan -DWAIT -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
// RUN: %clangxx_asan -DWAIT -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s

// RUN: %clangxx_asan -DWAITPID -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
// RUN: %clangxx_asan -DWAITPID -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s

// UNSUPPORTED: darwin

#include <assert.h>
#include <sys/wait.h>
#include <unistd.h>

int main(int argc, char **argv) {
  pid_t pid = fork();
  if (pid) { // parent
    int x[3];
    int *status = x + argc * 3;
    int res;
#if defined(WAIT)
    res = wait(status);
#elif defined(WAITPID)
    res = waitpid(pid, status, WNOHANG);
#endif
    // CHECK: stack-buffer-overflow
    // CHECK: {{WRITE of size .* at 0x.* thread T0}}
    // CHECK: {{in .*wait}}
    // CHECK: {{in main .*wait.cpp:}}
    // CHECK: is located in stack of thread T0 at offset
    // CHECK: {{in main}}
    return res == -1 ? 1 : 0;
  }
  // child
  return 0;
}