linux-kernel - Re: [syzbot] [fs?] KASAN: slab-use-after-free Read in lockref

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Message-ID: <000000000000a0f1fd061d5cc101@google.com>
Date: Tue, 16 Jul 2024 05:48:02 -0700
From: syzbot <syzbot+d5dc2801166df6d34774@...kaller.appspotmail.com>
To: benjamin.berg@...el.com, gregkh@...uxfoundation.org, 
	gregory.greenman@...el.com, hdanton@...a.com, johannes.berg@...el.com, 
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	miriam.rachel.korenblit@...el.com, netdev@...r.kernel.org, rafael@...nel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [fs?] KASAN: slab-use-after-free Read in lockref_get

syzbot has bisected this issue to:

commit 0a3d898ee9a8303d5b3982b97ef0703919c3ea76
Author: Benjamin Berg <benjamin.berg@...el.com>
Date:   Wed Dec 20 02:38:01 2023 +0000

    wifi: mac80211: add/remove driver debugfs entries as appropriate

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=150e3cf1980000
start commit:   58f9416d413a Merge branch 'ice-support-to-dump-phy-config-..
git tree:       net-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=170e3cf1980000
console output: https://syzkaller.appspot.com/x/log.txt?x=130e3cf1980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=db697e01efa9d1d7
dashboard link: https://syzkaller.appspot.com/bug?extid=d5dc2801166df6d34774
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1658c7dd980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16ed24b5980000

Reported-by: syzbot+d5dc2801166df6d34774@...kaller.appspotmail.com
Fixes: 0a3d898ee9a8 ("wifi: mac80211: add/remove driver debugfs entries as appropriate")

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