linux-kernel - Re: [syzbot] [bcachefs?] KASAN: use-after-free Read in check_extent

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Message-ID: <680dd321.050a0220.2b69d1.001a.GAE@google.com>
Date: Sat, 26 Apr 2025 23:48:01 -0700
From: syzbot <syzbot+fbc1f6040dd365cce0d8@...kaller.appspotmail.com>
To: davthompson@...dia.com, ilpo.jarvinen@...ux.intel.com, 
	kent.overstreet@...ux.dev, linux-bcachefs@...r.kernel.org, 
	linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com, 
	xiangrongl@...dia.com
Subject: Re: [syzbot] [bcachefs?] KASAN: use-after-free Read in check_extent_overbig

syzbot suspects this issue was fixed by commit:

commit 5d40a8577559250029ff571de38ffcbc226a63d7
Author: Xiangrong Li <xiangrongl@...dia.com>
Date:   Fri Jan 24 14:46:55 2025 +0000

    mlxbf-bootctl: Support sysfs entries for RTC battery status

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=126f9d74580000
start commit:   feffde684ac2 Merge tag 'for-6.13-rc1-tag' of git://git.ker..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=91c852e3d1d7c1a6
dashboard link: https://syzkaller.appspot.com/bug?extid=fbc1f6040dd365cce0d8
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16804020580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12ed1330580000

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

#syz fix: mlxbf-bootctl: Support sysfs entries for RTC battery status

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