linux-kernel - Re: [syzbot] [ocfs2?] possible deadlock in ocfs2

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Message-ID: <68f9e83f.a70a0220.3bf6c6.0035.GAE@google.com>
Date: Thu, 23 Oct 2025 01:33:03 -0700
From: syzbot <syzbot+ca440b457d21568f8021@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, elic@...dia.com, jasowang@...hat.com, 
	jlbec@...lplan.org, joseph.qi@...ux.alibaba.com, linux-kernel@...r.kernel.org, 
	lizhi.xu@...driver.com, mark.tinguely@...cle.com, mark@...heh.com, 
	mst@...hat.com, ocfs2-devel@...ts.linux.dev, ocfs2-devel@....oracle.com, 
	parav@...dia.com, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [ocfs2?] possible deadlock in ocfs2_fiemap

syzbot suspects this issue was fixed by commit:

commit 04100f775c2ea501927f508f17ad824ad1f23c8d
Author: Mark Tinguely <mark.tinguely@...cle.com>
Date:   Fri Aug 29 15:18:15 2025 +0000

    ocfs2: fix recursive semaphore deadlock in fiemap call

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13bead42580000
start commit:   c330cb607721 Merge tag 'i2c-for-6.17-rc3' of git://git.ker..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=e1e1566c7726877e
dashboard link: https://syzkaller.appspot.com/bug?extid=ca440b457d21568f8021
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=133b6c42580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10b9a862580000

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

#syz fix: ocfs2: fix recursive semaphore deadlock in fiemap call

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