linux-kernel - Re: [syzbot] [hams?] WARNING: refcount bug in ax25

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Message-ID: <000000000000cc087d061bc44a72@google.com>
Date: Tue, 25 Jun 2024 22:29:02 -0700
From: syzbot <syzbot+33841dc6aa3e1d86b78a@...kaller.appspotmail.com>
To: davem@...emloft.net, duoming@....edu.cn, edumazet@...gle.com, 
	jreuter@...na.de, kuba@...nel.org, linux-hams@...r.kernel.org, 
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org, pabeni@...hat.com, 
	ralf@...ux-mips.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [hams?] WARNING: refcount bug in ax25_release (3)

syzbot has bisected this issue to:

commit 9fd75b66b8f68498454d685dc4ba13192ae069b0
Author: Duoming Zhou <duoming@....edu.cn>
Date:   Fri Mar 18 00:54:04 2022 +0000

    ax25: Fix refcount leaks caused by ax25_cb_del()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=12f83301980000
start commit:   568ebdaba637 MAINTAINERS: adjust file entry in FREESCALE Q..
git tree:       net-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=11f83301980000
console output: https://syzkaller.appspot.com/x/log.txt?x=16f83301980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e78fc116033e0ab7
dashboard link: https://syzkaller.appspot.com/bug?extid=33841dc6aa3e1d86b78a
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=121324ae980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1607cdda980000

Reported-by: syzbot+33841dc6aa3e1d86b78a@...kaller.appspotmail.com
Fixes: 9fd75b66b8f6 ("ax25: Fix refcount leaks caused by ax25_cb_del()")

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