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

From: syzbot
Date: Thu Feb 22 2024 - 22:58:13 EST


syzbot suspects this issue was fixed by commit:

commit 7e2c1e4b34f07d9aa8937fab88359d4a0fce468e
Author: Mark Rutland <mark.rutland@xxxxxxx>
Date: Fri Dec 15 11:24:50 2023 +0000

perf: Fix perf_event_validate_size() lockdep splat

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=157c509c180000
start commit: 5abde6246522 bpf: Avoid unnecessary use of comma operator ..
git tree: bpf-next
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=16ba8929e80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17be7265e80000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: perf: Fix perf_event_validate_size() lockdep splat

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