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// RUN: %clangxx_asan -O0 -g %s -o %t && ASAN_OPTIONS=handle_ioctl=1 not %t 2>&1 | FileCheck %s
// RUN: %clangxx_asan -O3 -g %s -o %t && ASAN_OPTIONS=handle_ioctl=1 not %t 2>&1 | FileCheck %s
// RUN: %clangxx_asan -O0 -g %s -o %t && %t
// RUN: %clangxx_asan -O3 -g %s -o %t && %t
#include <assert.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <unistd.h>
int main(int argc, char **argv) {
int fd = socket(AF_INET, SOCK_DGRAM, 0);
int nonblock;
int res = ioctl(fd, FIONBIO, &nonblock + 1);
// CHECK: AddressSanitizer: stack-buffer-overflow
// CHECK: READ of size 4 at
// CHECK: {{#.* in main .*ioctl.cc:}}[[@LINE-3]]
assert(res == 0);
close(fd);
return 0;
}
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