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

syzbot
2023-12-25T17:31:08Z

syzbot has bisected this issue to:

commit 382c27f4ed28f803b1f1473ac2d8db0afc795a1b
Author: Peter Zijlstra <peterz@infradead.org>
Date: Wed Nov 29 14:24:52 2023 +0000

perf: Fix perf_event_validate_size()

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=170e70cee80000
start commit: 5abde6246522 bpf: Avoid unnecessary use of comma operator ..
git tree: bpf-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=148e70cee80000
console output: https://syzkaller.appspot.com/x/log.txt?x=108e70cee80000
kernel config: https://syzkaller.appspot.com/x/.config?x=8f565e10f0b1e1fc
dashboard link: https://syzkaller.appspot.com/bug?extid=07144c543a5c002c7305
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14857e81e80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1126ac36e80000

Reported-by: syzbot+07144c543a5c002c7305@syzkaller.appspotmail.com
Fixes: 382c27f4ed28 ("perf: Fix perf_event_validate_size()")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection