linux-kernel - Re: [syzbot] [xfs?] INFO: task hung in xfs_buf_item

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Message-ID: <000000000000c9eee7061fedbac5@google.com>
Date: Sat, 17 Aug 2024 21:36:01 -0700
From: syzbot <syzbot+837bcd54843dd6262f2f@...kaller.appspotmail.com>
To: axboe@...nel.dk, chandan.babu@...cle.com, djwong@...nel.org, hch@....de, 
	linux-kernel@...r.kernel.org, linux-xfs@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [xfs?] INFO: task hung in xfs_buf_item_unpin (2)

syzbot has bisected this issue to:

commit 3eb96946f0be6bf447cbdf219aba22bc42672f92
Author: Christoph Hellwig <hch@....de>
Date:   Wed May 24 06:05:38 2023 +0000

    block: make bio_check_eod work for zero sized devices

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=178bfdcb980000
start commit:   85652baa895b Merge tag 'block-6.11-20240824' of git://git...
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=144bfdcb980000
console output: https://syzkaller.appspot.com/x/log.txt?x=104bfdcb980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=92c0312151c4e32e
dashboard link: https://syzkaller.appspot.com/bug?extid=837bcd54843dd6262f2f
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12350ad5980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=147927c5980000

Reported-by: syzbot+837bcd54843dd6262f2f@...kaller.appspotmail.com
Fixes: 3eb96946f0be ("block: make bio_check_eod work for zero sized devices")

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