Re: INFO: task hung in tls_sw_sendmsg

From: Jakub Kicinski
Date: Mon Aug 19 2019 - 17:10:11 EST

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 tree: net-next
> console output:
> kernel config:
> dashboard link:
> 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@xxxxxxxxxxxxxxxxxxxxxxxxx

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:
(INFO: task hung in tls_sw_free_resources_tx)