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From: syzbot <syzbot+c27475eb921c46bbdc62@syzkaller.appspotmail.com>
To: akpm@linux-foundation.org, hch@lst.de, jack@suse.com,
	jack@suse.cz,  linkinjeon@gmail.com,
	linux-fsdevel@vger.kernel.org,  linux-kernel@vger.kernel.org,
	linux-mm@kvack.org,  syzkaller-bugs@googlegroups.com,
	willy@infradead.org
Subject: Re: [syzbot] [udf?] BUG: unable to handle kernel NULL pointer dereference in __writepage
Date: Thu, 19 Jan 2023 08:31:22 -0800	[thread overview]
Message-ID: <0000000000009cfc1705f2a07641@google.com> (raw)
In-Reply-To: <0000000000003198a505f0076823@google.com>

syzbot has bisected this issue to:

commit 36273e5b4e3a934c6d346c8f0b16b97e018094af
Author: Christoph Hellwig <hch@lst.de>
Date:   Sun Nov 13 16:29:02 2022 +0000

    udf: remove ->writepage

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15176e66480000
start commit:   77856d911a8c Merge tag 'arm64-fixes' of git://git.kernel.o..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=17176e66480000
console output: https://syzkaller.appspot.com/x/log.txt?x=13176e66480000
kernel config:  https://syzkaller.appspot.com/x/.config?x=55043d38f21f0e0f
dashboard link: https://syzkaller.appspot.com/bug?extid=c27475eb921c46bbdc62
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=141da6e7880000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17d81b8b880000

Reported-by: syzbot+c27475eb921c46bbdc62@syzkaller.appspotmail.com
Fixes: 36273e5b4e3a ("udf: remove ->writepage")

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


  reply	other threads:[~2023-01-19 16:31 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-17 15:04 syzbot
2023-01-19 16:31 ` syzbot [this message]
2023-01-23  7:36   ` Christoph Hellwig
2023-01-23 17:18     ` Jan Kara

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