| 1 | // RUN: %clangxx_asan -O0 -g %s -o %t && %env_asan_opts=handle_ioctl=1 not %run %t 2>&1 | FileCheck %s |
| 2 | // RUN: %clangxx_asan -O3 -g %s -o %t && %env_asan_opts=handle_ioctl=1 not %run %t 2>&1 | FileCheck %s |
| 3 | |
| 4 | // RUN: %clangxx_asan -O0 -g %s -o %t && %run %t |
| 5 | // RUN: %clangxx_asan -O3 -g %s -o %t && %run %t |
| 6 | |
| 7 | #include <assert.h> |
| 8 | #include <stdlib.h> |
| 9 | #include <sys/ioctl.h> |
| 10 | #include <sys/socket.h> |
| 11 | #include <unistd.h> |
| 12 | |
| 13 | #if defined(__sun__) && defined(__svr4__) |
| 14 | #include <sys/filio.h> |
| 15 | #endif |
| 16 | |
| 17 | int main(int argc, char **argv) { |
| 18 | int fd = socket(AF_UNIX, SOCK_DGRAM, protocol: 0); |
| 19 | |
| 20 | int nonblock; |
| 21 | int res = ioctl(fd: fd, FIONBIO, &nonblock + 1); |
| 22 | // CHECK: AddressSanitizer: stack-buffer-overflow |
| 23 | // CHECK: READ of size 4 at |
| 24 | // CHECK: {{#.* in main .*ioctl.cpp:}}[[@LINE-3]] |
| 25 | assert(res == 0); |
| 26 | close(fd: fd); |
| 27 | return 0; |
| 28 | } |
| 29 | |