Re: [syzbot] [perf?] WARNING in perf_event_open

From: syzbot
Date: Mon Dec 25 2023 - 21:28:13 EST


Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+07144c543a5c002c7305@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 441c725e selftests/bpf: Close cgrp fd before calling c..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git
console output: https://syzkaller.appspot.com/x/log.txt?x=135a5231e80000
kernel config: https://syzkaller.appspot.com/x/.config?x=8f565e10f0b1e1fc
dashboard link: https://syzkaller.appspot.com/bug?extid=07144c543a5c002c7305
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=13bd1bd6e80000

Note: testing is done by a robot and is best-effort only.