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From: Jakub Kicinski <jakub.kicinski@netronome.com>
To: syzbot <syzbot+8a6df99c3b1812093b70@syzkaller.appspotmail.com>
Cc: ast@kernel.org, aviadye@mellanox.com, borisp@mellanox.com,
	bpf@vger.kernel.org, daniel@iogearbox.net, davejwatson@fb.com,
	davem@davemloft.net, john.fastabend@gmail.com, kafai@fb.com,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	songliubraving@fb.com, syzkaller-bugs@googlegroups.com,
	yhs@fb.com, Eric Biggers <ebiggers@kernel.org>,
	Steffen Klassert <steffen.klassert@secunet.com>,
	linux-crypto@vger.kernel.org
Subject: Re: INFO: task hung in tls_sw_sendmsg
Date: Mon, 19 Aug 2019 14:09:59 -0700	[thread overview]
Message-ID: <20190819140959.72a419d8@cakuba.netronome.com> (raw)
In-Reply-To: <0000000000006a71990583cd3d9c@google.com>

On Mon, 11 Mar 2019 01:20:05 -0700, syzbot wrote:
> Hello,
> 
> syzbot found the following crash on:
> 
> HEAD commit:    d9862cfb Merge tag 'mips_5.1' of git://git.kernel.org/pub/..
> git tree:       net-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=16e9d977200000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=73d88a42238825ad
> dashboard link: https://syzkaller.appspot.com/bug?extid=8a6df99c3b1812093b70
> compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> userspace arch: amd64
> 
> Unfortunately, I don't have any reproducer for this crash yet.
> 
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+8a6df99c3b1812093b70@syzkaller.appspotmail.com

Looks like the TLS bugs which involve pcrypt may be a pcrypt issue.
There seems to be no clear explanation for these in TLS code.

#syz dup: INFO: task hung in aead_recvmsg

This is similar to:
https://syzkaller.appspot.com/bug?id=44ae4b4fa7e6c6e92aa921d2ec20ce9fbee97939
(INFO: task hung in tls_sw_free_resources_tx)

      reply	other threads:[~2019-08-19 21:10 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-11  8:20 INFO: task hung in tls_sw_sendmsg syzbot
2019-08-19 21:09 ` Jakub Kicinski [this message]

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