linux-kernel - Re: [syzbot] [iomap?] [erofs?] WARNING in iomap

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Message-ID: <684d44da.050a0220.be214.02b2.GAE@google.com>
Date: Sat, 14 Jun 2025 02:46:02 -0700
From: syzbot <syzbot+d8f000c609f05f52d9b5@...kaller.appspotmail.com>
To: brauner@...nel.org, chao@...nel.org, djwong@...nel.org, eadavis@...com, 
	hsiangkao@...ux.alibaba.com, linux-erofs@...ts.ozlabs.org, 
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-xfs@...r.kernel.org, syzkaller-bugs@...glegroups.com, xiang@...nel.org
Subject: Re: [syzbot] [iomap?] [erofs?] WARNING in iomap_iter (5)

syzbot has bisected this issue to:

commit 1d191b4ca51d73699cb127386b95ac152af2b930
Author: Gao Xiang <hsiangkao@...ux.alibaba.com>
Date:   Mon Mar 10 09:54:58 2025 +0000

    erofs: implement encoded extent metadata

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1352dd70580000
start commit:   02adc1490e6d Merge tag 'spi-fix-v6.16-rc1' of git://git.ke..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=10d2dd70580000
console output: https://syzkaller.appspot.com/x/log.txt?x=1752dd70580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=162faeb2d1eaefb4
dashboard link: https://syzkaller.appspot.com/bug?extid=d8f000c609f05f52d9b5
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=115f9e0c580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1688b10c580000

Reported-by: syzbot+d8f000c609f05f52d9b5@...kaller.appspotmail.com
Fixes: 1d191b4ca51d ("erofs: implement encoded extent metadata")

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