From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Sat, 14 Dec 2019 22:52:01 -0800
In-Reply-To: <20191215063020.GA11512@mit.edu>
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Subject: Re: KASAN: use-after-free Read in ext4_xattr_set_entry (2)
From: syzbot <syzbot+4a39a025912b265cacef@syzkaller.appspotmail.com>
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To: a@unstable.cc, adilger.kernel@dilger.ca, afd@ti.com, b.a.t.m.a.n@lists.open-mesh.org, chris@lapa.com.au, davem@davemloft.net, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, mareklindner@neomailbox.ch, netdev@vger.kernel.org, pali.rohar@gmail.com, sre@kernel.org, sw@simonwunderlich.de, syzkaller-bugs@googlegroups.com, tytso@mit.edu

Hello,

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

Reported-and-tested-by:  
syzbot+4a39a025912b265cacef@syzkaller.appspotmail.com

Tested on:

commit:         dfdeeb41 Merge branch 'tt/misc' into dev
git tree:        
https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git master
kernel config:  https://syzkaller.appspot.com/x/.config?x=be3b077056d26622
dashboard link: https://syzkaller.appspot.com/bug?extid=4a39a025912b265cacef
compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
patch:          https://syzkaller.appspot.com/x/patch.diff?x=11b02546e00000

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