linux-kernel - Re: [syzbot] [bpf?] WARNING in do

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Message-ID: <68c8de6b.050a0220.3c6139.0d26.GAE@google.com>
Date: Mon, 15 Sep 2025 20:50:03 -0700
From: syzbot <syzbot+e1fa4a4a9361f2f3bbd6@...kaller.appspotmail.com>
To: andrii@...nel.org, ast@...nel.org, bpf@...r.kernel.org, 
	daniel@...earbox.net, eddyz87@...il.com, haoluo@...gle.com, 
	john.fastabend@...il.com, jolsa@...nel.org, kpsingh@...nel.org, 
	linux-kernel@...r.kernel.org, luis.gerhorst@....de, martin.lau@...ux.dev, 
	sdf@...ichev.me, song@...nel.org, syzkaller-bugs@...glegroups.com, 
	yonghong.song@...ux.dev
Subject: Re: [syzbot] [bpf?] WARNING in do_check (2)

syzbot has bisected this issue to:

commit dadb59104c6441f54d0c42bba3e4bd11e25fc6d9
Author: Luis Gerhorst <luis.gerhorst@....de>
Date:   Sat Jul 5 19:09:07 2025 +0000

    bpf: Fix aux usage after do_check_insn()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13850534580000
start commit:   f83ec76bf285 Linux 6.17-rc6
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=10450534580000
console output: https://syzkaller.appspot.com/x/log.txt?x=17850534580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=4d8792ecb6308d0f
dashboard link: https://syzkaller.appspot.com/bug?extid=e1fa4a4a9361f2f3bbd6
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1355f934580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12170e42580000

Reported-by: syzbot+e1fa4a4a9361f2f3bbd6@...kaller.appspotmail.com
Fixes: dadb59104c64 ("bpf: Fix aux usage after do_check_insn()")

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