linux-kernel - Re: [syzbot] [perf?] WARNING in perf_event

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Message-ID: <0000000000005b23dc060d58ee7a@google.com>
Date: Mon, 25 Dec 2023 09:31:07 -0800
From: syzbot <syzbot+07144c543a5c002c7305@...kaller.appspotmail.com>
To: acme@...nel.org, adrian.hunter@...el.com, 
	alexander.shishkin@...ux.intel.com, irogers@...gle.com, jolsa@...nel.org, 
	linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org, 
	mark.rutland@....com, mingo@...hat.com, namhyung@...nel.org, 
	netdev@...r.kernel.org, peterz@...radead.org, syzkaller-bugs@...glegroups.com, 
	xrivendell7@...il.com
Subject: Re: [syzbot] [perf?] WARNING in perf_event_open

syzbot has bisected this issue to:

commit 382c27f4ed28f803b1f1473ac2d8db0afc795a1b
Author: Peter Zijlstra <peterz@...radead.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@...kaller.appspotmail.com
Fixes: 382c27f4ed28 ("perf: Fix perf_event_validate_size()")

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