netdev - Re: [syzbot] [ext4?] general protection fault in ext4_finish

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Date: Thu, 06 Jul 2023 22:10:21 -0700
From: syzbot <syzbot+689ec3afb1ef07b766b2@...kaller.appspotmail.com>
To: adilger.kernel@...ger.ca, boqun.feng@...il.com, dhowells@...hat.com, 
	herbert@...dor.apana.org.au, kuba@...nel.org, linux-ext4@...r.kernel.org, 
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	longman@...hat.com, mingo@...hat.com, netdev@...r.kernel.org, 
	peterz@...radead.org, syzkaller-bugs@...glegroups.com, tytso@....edu, 
	will@...nel.org
Subject: Re: [syzbot] [ext4?] general protection fault in ext4_finish_bio

syzbot has bisected this issue to:

commit b6d972f6898308fbe7e693bf8d44ebfdb1cd2dc4
Author: David Howells <dhowells@...hat.com>
Date:   Fri Jun 16 11:10:32 2023 +0000

    crypto: af_alg/hash: Fix recvmsg() after sendmsg(MSG_MORE)

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17e4fa88a80000
start commit:   ae230642190a Merge branch 'af_unix-followup-fixes-for-so_p..
git tree:       net-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1414fa88a80000
console output: https://syzkaller.appspot.com/x/log.txt?x=1014fa88a80000
kernel config:  https://syzkaller.appspot.com/x/.config?x=c9bf1936936ca698
dashboard link: https://syzkaller.appspot.com/bug?extid=689ec3afb1ef07b766b2
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=136b9d48a80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10223cb8a80000

Reported-by: syzbot+689ec3afb1ef07b766b2@...kaller.appspotmail.com
Fixes: b6d972f68983 ("crypto: af_alg/hash: Fix recvmsg() after sendmsg(MSG_MORE)")

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