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 
main(int argc,char * argv[])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 {{.*}} in __sanitizer_syscall{{.*}}recvmsg
21   return 0;
22 }
23