linux-kernel - Re: [syzbot] [bcachefs?] possible deadlock in get_partial

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <67fd6059.050a0220.3483fc.0031.GAE@google.com>
Date: Mon, 14 Apr 2025 12:22:01 -0700
From: syzbot <syzbot+725322cc4ff5c53abfac@...kaller.appspotmail.com>
To: anna-maria@...utronix.de, axboe@...nel.dk, frederic@...nel.org, 
	kent.overstreet@...ux.dev, linux-bcachefs@...r.kernel.org, 
	linux-block@...r.kernel.org, linux-kernel@...r.kernel.org, 
	mmpgouride@...il.com, syzkaller-bugs@...glegroups.com, tglx@...utronix.de
Subject: Re: [syzbot] [bcachefs?] possible deadlock in get_partial_node (2)

syzbot suspects this issue was fixed by commit:

commit 3a04334d6282d08fbdd6201e374db17d31927ba3
Author: Alan Huang <mmpgouride@...il.com>
Date:   Fri Mar 7 16:58:27 2025 +0000

    bcachefs: Fix b->written overflow

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17e4ea3f980000
start commit:   b7c90e3e717a Merge tag 'x86-urgent-2025-03-08' of git://gi..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=523d3ff8e053340a
dashboard link: https://syzkaller.appspot.com/bug?extid=725322cc4ff5c53abfac
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=137c1fa0580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12e0fa54580000

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

#syz fix: bcachefs: Fix b->written overflow

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