linux-kernel - Re: INFO: task hung in __do_page

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <000000000000a6993c0597cc8375@google.com>
Date:   Wed, 20 Nov 2019 11:52:01 -0800
From:   syzbot <syzbot+6b074f741adbd93d2df5@...kaller.appspotmail.com>
To:     acme@...nel.org, akpm@...ux-foundation.org, arnd@...db.de,
        corbet@....net, ebiederm@...ssion.com, keescook@...omium.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, linux@...inikbrodowski.net, luto@...nel.org,
        mcgrof@...nel.org, mingo@...hat.com, peterz@...radead.org,
        sudipm.mukherjee@...il.com, syzkaller-bugs@...glegroups.com,
        torvalds@...ux-foundation.org
Subject: Re: INFO: task hung in __do_page_fault (2)

syzbot has bisected this bug to:

commit 0161028b7c8aebef64194d3d73e43bc3b53b5c66
Author: Andy Lutomirski <luto@...nel.org>
Date:   Mon May 9 22:48:51 2016 +0000

     perf/core: Change the default paranoia level to 2

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15910e86e00000
start commit:   18d0eae3 Merge tag 'char-misc-4.20-rc1' of git://git.kerne..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=17910e86e00000
console output: https://syzkaller.appspot.com/x/log.txt?x=13910e86e00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=342f43de913c81b9
dashboard link: https://syzkaller.appspot.com/bug?extid=6b074f741adbd93d2df5
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12482713400000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=158fd4a3400000

Reported-by: syzbot+6b074f741adbd93d2df5@...kaller.appspotmail.com
Fixes: 0161028b7c8a ("perf/core: Change the default paranoia level to 2")

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