compiler-rt/test/asan/TestCases/Linux/syscalls.cpp

   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 #include <assert.h>
   5 #include <errno.h>
   6 #include <glob.h>
   7 #include <stdio.h>
   8 #include <string.h>
   9
  10 #include <sanitizer/linux_syscall_hooks.h>
  11
  12 /* Test the presence of __sanitizer_syscall_ in the tool runtime, and general
  13    sanity of their behaviour. */
  14
  15 int main(int argc, char *argv[]) {
  16   char buf[1000];
  17   __sanitizer_syscall_pre_recvmsg(0, buf - 1, 0);
  18   // CHECK: AddressSanitizer: stack-buffer-{{.*}}erflow
  19   // CHECK: READ of size {{.*}} at {{.*}} thread T0
  20   // CHECK: {{#[0-9]+ .*}} in __sanitizer_syscall{{.*}}recvmsg
  21   return 0;
  22 }