Re: [GIT] Networking

From: Linus Torvalds
Date: Sun Jul 09 2017 - 14:50:24 EST

On Sat, Jul 8, 2017 at 3:36 AM, David Miller <davem@xxxxxxxxxxxxx> wrote:
> 8) Fix socket leak on accept() in RDS, from Sowmini Varadhan. Also
> add a WARN_ON() to sock_graft() so other protocol stacks don't trip
> over this as well.

Hmm. This one triggers for me on both my desktop and laptop at bootup.
Bog-standard machines, running F25 and F24 respectively.

The warning doesn't seem particularly useful, although maybe that
"alg_accept()" gives people who know this code enough of a clue.


------------[ cut here ]------------
WARNING: CPU: 1 PID: 492 at ./include/net/sock.h:1700 af_alg_accept+0x1bf/0x1f0
CPU: 1 PID: 492 Comm: systemd-cryptse Not tainted 4.12.0-09010-g2b976203417c #1
Hardware name: System manufacturer System Product Name/Z170-K, BIOS
1803 05/06/2016
RIP: 0010:af_alg_accept+0x1bf/0x1f0
Call Trace:
? getnstimeofday64+0xe/0x20
? __audit_syscall_entry+0xb1/0xf0
? syscall_trace_enter+0x1bd/0x2d0
? __audit_syscall_exit+0x1a5/0x2a0
---[ end trace a35e5baea85df269 ]---