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

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Date:   Sun, 01 Dec 2019 18:58:17 +0100
From:   Stephan Müller <smueller@...onox.de>
To:     syzbot 
        <syzbot+56c7151cad94eec37c521f0e47d2eee53f9361c4@...kaller.appspotmail.com>
Cc:     davem@...emloft.net, dvyukov@...gle.com, ebiggers3@...il.com,
        herbert@...dor.apana.org.au, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org, mingo@...hat.com,
        peterz@...radead.org, steffen.klassert@...unet.com,
        syzkaller-bugs@...glegroups.com
Subject: Re: INFO: task hung in aead_recvmsg

Am Sonntag, 1. Dezember 2019, 08:58:00 CET schrieb syzbot:

Hi,

> syzbot has bisected this bug to:
> 
> commit 0c1e16cd1ec41987cc6671a2bff46ac958c41eb5
> Author: Stephan Mueller <smueller@...onox.de>
> Date:   Mon Dec 5 14:26:19 2016 +0000
> 
>      crypto: algif_aead - fix AEAD tag memory handling
> 
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=12d6d0a6e00000
> start commit:   618d919c Merge tag 'libnvdimm-fixes-5.1-rc6' of git://git...
> git tree:       upstream
> final crash:    https://syzkaller.appspot.com/x/report.txt?x=11d6d0a6e00000
> console output: https://syzkaller.appspot.com/x/log.txt?x=16d6d0a6e00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=856fc6d0fbbeede9
> dashboard link:
> https://syzkaller.appspot.com/bug?extid=56c7151cad94eec37c521f0e47d2eee53f93
> 61c4 syz repro:     
> https://syzkaller.appspot.com/x/repro.syz?x=11ef592d200000 C reproducer:  
> https://syzkaller.appspot.com/x/repro.c?x=16b865fd200000
> 
> Reported-by:
> syzbot+56c7151cad94eec37c521f0e47d2eee53f9361c4@...kaller.appspotmail.com
> Fixes: 0c1e16cd1ec4 ("crypto: algif_aead - fix AEAD tag memory handling")
> 
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

This issue seems to be triggered when using pcrypt. Pcrypt received a number 
of fixes recently.

Did the test include all of those fixes?

Thanks a lot for the testing!

Ciao
Stephan