Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0
2/* Copyright (c) 2026 Meta Platforms, Inc. and affiliates. */
3#include <test_progs.h>
4#include "timer_start_deadlock.skel.h"
5
6void test_timer_start_deadlock(void)
7{
8 struct timer_start_deadlock *skel;
9 int err, prog_fd;
10 LIBBPF_OPTS(bpf_test_run_opts, opts);
11
12 skel = timer_start_deadlock__open_and_load();
13 if (!ASSERT_OK_PTR(skel, "skel_open_and_load"))
14 return;
15
16 err = timer_start_deadlock__attach(skel);
17 if (!ASSERT_OK(err, "skel_attach"))
18 goto cleanup;
19
20 prog_fd = bpf_program__fd(skel->progs.start_timer);
21
22 /*
23 * Run the syscall program that attempts to deadlock.
24 * If the kernel deadlocks, this call will never return.
25 */
26 err = bpf_prog_test_run_opts(prog_fd, &opts);
27 ASSERT_OK(err, "prog_test_run");
28 ASSERT_EQ(opts.retval, 0, "prog_retval");
29
30 ASSERT_EQ(skel->bss->tp_called, 1, "tp_called");
31cleanup:
32 timer_start_deadlock__destroy(skel);
33}