On Wed, Jun 30, 2021 at 11:37:20AM -0700, syzbot wrote:

Hello,

syzbot found the following issue on:

HEAD commit:    ff8744b5 Merge branch '100GbE' of git://git.kernel.org/pub..
git tree:       net-next
console output: https://syzkaller.appspot.com/x/log.txt?x=163cc5dc300000
kernel config:  https://syzkaller.appspot.com/x/.config?x=7cf9abab1592f017
dashboard link: https://syzkaller.appspot.com/bug?extid=20191dc583eff8602d2d
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14a81190300000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1417f5bfd00000

The issue was bisected to:

commit 2481104fe98d5b016fdd95d649b1235f21e491ba
Author: Ard Biesheuvel [off-list ref]
Date:   Thu Dec 31 16:41:55 2020 +0000

    crypto: x86/aes-ni-xts - rewrite and drop indirections via glue helper

Hi Ard:

This looks like the same issue we discussed yesterday.

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=164ee60c300000
final oops:     https://syzkaller.appspot.com/x/report.txt?x=154ee60c300000
console output: https://syzkaller.appspot.com/x/log.txt?x=114ee60c300000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+20191dc583eff8602d2d@syzkaller.appspotmail.com
Fixes: 2481104fe98d ("crypto: x86/aes-ni-xts - rewrite and drop indirections via glue helper")

Thanks,
-- 
Email: Herbert Xu [off-list ref]
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt