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From: syzbot <syzbot+8edfa01e46fd9fe3fbfb@syzkaller.appspotmail.com>
To: akpm@linux-foundation.org, clm@fb.com, dsterba@suse.com,
	hch@lst.de, josef@toxicpanda.com, linmiaohe@huawei.com,
	linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org,
	syzkaller-bugs@googlegroups.com, torvalds@linux-foundation.org,
	willy@infradead.org
Subject: Re: [syzbot] WARNING in btrfs_space_info_update_bytes_may_use
Date: Mon, 31 Oct 2022 04:51:22 -0700	[thread overview]
Message-ID: <000000000000fa42c105ec5339ec@google.com> (raw)
In-Reply-To: <0000000000000d9d6f05ec498263@google.com>

syzbot has bisected this issue to:

commit 0c7c575df56b957390206deb018c41acbb412159
Author: Matthew Wilcox (Oracle) <willy@infradead.org>
Date:   Wed Feb 24 20:01:52 2021 +0000

    mm/filemap: remove dynamically allocated array from filemap_read

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=119e21b6880000
start commit:   b229b6ca5abb Merge tag 'perf-tools-fixes-for-v6.1-2022-10-..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=139e21b6880000
console output: https://syzkaller.appspot.com/x/log.txt?x=159e21b6880000
kernel config:  https://syzkaller.appspot.com/x/.config?x=a66c6c673fb555e8
dashboard link: https://syzkaller.appspot.com/bug?extid=8edfa01e46fd9fe3fbfb
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17db9ab1880000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=124e21b6880000

Reported-by: syzbot+8edfa01e46fd9fe3fbfb@syzkaller.appspotmail.com
Fixes: 0c7c575df56b ("mm/filemap: remove dynamically allocated array from filemap_read")

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

  reply	other threads:[~2022-10-31 11:51 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-31  0:15 [syzbot] WARNING in btrfs_space_info_update_bytes_may_use syzbot
2022-10-31 11:51 ` syzbot [this message]
2022-10-31 13:50   ` Matthew Wilcox
2022-10-31 14:23     ` David Sterba
2022-10-31 18:57     ` Aleksandr Nogikh
2022-10-31 19:02 ` Aleksandr Nogikh

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