linux-kernel - Re: [syzbot] [mm?] WARNING in move_to_new

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Message-ID: <67fc3023.050a0220.2970f9.0361.GAE@google.com>
Date: Sun, 13 Apr 2025 14:44:03 -0700
From: syzbot <syzbot+8bb6fd945af4e0ad9299@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, brauner@...nel.org, 
	jfs-discussion@...ts.sourceforge.net, linux-kernel@...r.kernel.org, 
	linux-mm@...ck.org, shaggy@...nel.org, shivankg@....com, 
	syzkaller-bugs@...glegroups.com, willy@...radead.org
Subject: Re: [syzbot] [mm?] WARNING in move_to_new_folio

syzbot has bisected this issue to:

commit 7ee3647243e5c4a9d74d4c7ec621eac75c6d37ea
Author: Matthew Wilcox (Oracle) <willy@...radead.org>
Date:   Wed Apr 2 14:59:57 2025 +0000

    migrate: Remove call to ->writepage

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15be8fe4580000
start commit:   01c6df60d5d4 Add linux-next specific files for 20250411
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=17be8fe4580000
console output: https://syzkaller.appspot.com/x/log.txt?x=13be8fe4580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=db03cefa26ecf825
dashboard link: https://syzkaller.appspot.com/bug?extid=8bb6fd945af4e0ad9299
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10afca3f980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=116f5c04580000

Reported-by: syzbot+8bb6fd945af4e0ad9299@...kaller.appspotmail.com
Fixes: 7ee3647243e5 ("migrate: Remove call to ->writepage")

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