linux-kernel - Re: KASAN: stack-out-of-bounds Write in read_extent

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Date:   Mon, 21 Sep 2020 13:33:10 -0700
From:   syzbot <syzbot+1d393803acac53c985a0@...kaller.appspotmail.com>
To:     Johannes.Thumshirn@....com, clm@...com, dsterba@...e.com,
        josef@...icpanda.com, linux-btrfs@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: KASAN: stack-out-of-bounds Write in read_extent_buffer

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+1d393803acac53c985a0@...kaller.appspotmail.com

Tested on:

commit:         d1db82c9 btrfs: move btrfs_rm_dev_replace_free_srcdev outs..
git tree:       git://github.com/kdave/btrfs-devel.git misc-5.9
kernel config:  https://syzkaller.appspot.com/x/.config?x=7885f44dc5918569
dashboard link: https://syzkaller.appspot.com/bug?extid=1d393803acac53c985a0
compiler:       gcc (GCC) 10.1.0-syz 20200507

Note: testing is done by a robot and is best-effort only.