12d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// RUN: %clangxx_asan -O0 -g %s -o %t && ASAN_OPTIONS=handle_ioctl=1 not %run %t 2>&1 | FileCheck %s
22d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// RUN: %clangxx_asan -O3 -g %s -o %t && ASAN_OPTIONS=handle_ioctl=1 not %run %t 2>&1 | FileCheck %s
3745dd0d296e7bef712df4b5c7f86c72534953738Evgeniy Stepanov
42d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// RUN: %clangxx_asan -O0 -g %s -o %t && %run %t
52d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// RUN: %clangxx_asan -O3 -g %s -o %t && %run %t
6745dd0d296e7bef712df4b5c7f86c72534953738Evgeniy Stepanov
7745dd0d296e7bef712df4b5c7f86c72534953738Evgeniy Stepanov#include <assert.h>
8745dd0d296e7bef712df4b5c7f86c72534953738Evgeniy Stepanov#include <stdlib.h>
9745dd0d296e7bef712df4b5c7f86c72534953738Evgeniy Stepanov#include <sys/ioctl.h>
10745dd0d296e7bef712df4b5c7f86c72534953738Evgeniy Stepanov#include <sys/socket.h>
11745dd0d296e7bef712df4b5c7f86c72534953738Evgeniy Stepanov#include <unistd.h>
12745dd0d296e7bef712df4b5c7f86c72534953738Evgeniy Stepanov
13745dd0d296e7bef712df4b5c7f86c72534953738Evgeniy Stepanovint main(int argc, char **argv) {
14745dd0d296e7bef712df4b5c7f86c72534953738Evgeniy Stepanov  int fd = socket(AF_INET, SOCK_DGRAM, 0);
15745dd0d296e7bef712df4b5c7f86c72534953738Evgeniy Stepanov
16745dd0d296e7bef712df4b5c7f86c72534953738Evgeniy Stepanov  int nonblock;
17745dd0d296e7bef712df4b5c7f86c72534953738Evgeniy Stepanov  int res = ioctl(fd, FIONBIO, &nonblock + 1);
18745dd0d296e7bef712df4b5c7f86c72534953738Evgeniy Stepanov  // CHECK: AddressSanitizer: stack-buffer-overflow
19745dd0d296e7bef712df4b5c7f86c72534953738Evgeniy Stepanov  // CHECK: READ of size 4 at
20ed936c1d3a8db321b45d2e249159ec48c6450043Alexey Samsonov  // CHECK: {{#.* in main .*ioctl.cc:}}[[@LINE-3]]
21745dd0d296e7bef712df4b5c7f86c72534953738Evgeniy Stepanov  assert(res == 0);
22745dd0d296e7bef712df4b5c7f86c72534953738Evgeniy Stepanov  close(fd);
23745dd0d296e7bef712df4b5c7f86c72534953738Evgeniy Stepanov  return 0;
24745dd0d296e7bef712df4b5c7f86c72534953738Evgeniy Stepanov}
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