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Date:   Mon, 03 Jun 2019 15:04:00 -0700
From:   syzbot <syzbot+606e524a3ca9617cf8c0@...kaller.appspotmail.com>
To:     adilger.kernel@...ger.ca, hdanton@...a.com, jmorris@...ei.org,
        linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-security-module@...r.kernel.org, serge@...lyn.com,
        syzkaller-bugs@...glegroups.com, tytso@....edu, zohar@...ux.ibm.com
Subject: Re: possible deadlock in __do_page_fault (2)

syzbot has bisected this bug to:

commit 69d61f577d147b396be0991b2ac6f65057f7d445
Author: Mimi Zohar <zohar@...ux.ibm.com>
Date:   Wed Apr 3 21:47:46 2019 +0000

     ima: verify mprotect change is consistent with mmap policy

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=16461c5aa00000
start commit:   3c09c195 Add linux-next specific files for 20190531
git tree:       linux-next
final crash:    https://syzkaller.appspot.com/x/report.txt?x=15461c5aa00000
console output: https://syzkaller.appspot.com/x/log.txt?x=11461c5aa00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=6cfb24468280cd5c
dashboard link: https://syzkaller.appspot.com/bug?extid=606e524a3ca9617cf8c0
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10572ca6a00000

Reported-by: syzbot+606e524a3ca9617cf8c0@...kaller.appspotmail.com
Fixes: 69d61f577d14 ("ima: verify mprotect change is consistent with mmap  
policy")

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

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