Subject: Re: [PATCH v4 net] sctp: Free cookie before we memdup a new one

From: Marcelo Ricardo Leitner <[email-masked]>
Date: Wed, 12 Jun 2019 15:07:15 -0300

On Tue, Jun 11, 2019 at 08:38:14PM -0400, Neil Horman wrote:
> Based on comments from Xin, even after fixes for our recent syzbot
> report of cookie memory leaks, its possible to get a resend of an INIT
> chunk which would lead to us leaking cookie memory.
> 
> To ensure that we don't leak cookie memory, free any previously
> allocated cookie first.
> 
> ---

This marker can't be here, as it causes git to loose everything below.

> Change notes
> v1->v2
> update subsystem tag in subject (davem)
> repeat kfree check for peer_random and peer_hmacs (xin)
> 
> v2->v3
> net->sctp
> also free peer_chunks
> 
> v3->v4
> fix subject tags
> 
> Signed-off-by: Neil Horman <[email-masked]>
> Reported-by: [email-masked]
> CC: Marcelo Ricardo Leitner <[email-masked]>
> CC: Xin Long <[email-masked]>
> CC: "David S. Miller" <[email-masked]>
> CC: [email-masked]

Anyhow, LGTM and reproducer didn't give any hits in 2 runs of 50mins.
Acked-by: Marcelo Ricardo Leitner <[email-masked]>