Re: INFO: task hung in aead_recvmsg

From: syzbot
Date: Sun Dec 01 2019 - 02:58:04 EST


syzbot has bisected this bug to:

commit 0c1e16cd1ec41987cc6671a2bff46ac958c41eb5
Author: Stephan Mueller <smueller@xxxxxxxxxx>
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=56c7151cad94eec37c521f0e47d2eee53f9361c4
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@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 0c1e16cd1ec4 ("crypto: algif_aead - fix AEAD tag memory handling")

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