netdev - Re: [PATCH v1 net] rpl: Fix use-after-free in rpl_do_srh

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Message-Id: 
 <175244940656.3230585.3558253584085351946.git-patchwork-notify@kernel.org>
Date: Sun, 13 Jul 2025 23:30:06 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Kuniyuki Iwashima <kuniyu@...gle.com>
Cc: davem@...emloft.net, dsahern@...nel.org, edumazet@...gle.com,
 kuba@...nel.org, pabeni@...hat.com, horms@...nel.org, alex.aring@...il.com,
 kuni1840@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH v1 net] rpl: Fix use-after-free in rpl_do_srh_inline().

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@...emloft.net>:

On Fri, 11 Jul 2025 18:21:19 +0000 you wrote:
> Running lwt_dst_cache_ref_loop.sh in selftest with KASAN triggers
> the splat below [0].
> 
> rpl_do_srh_inline() fetches ipv6_hdr(skb) and accesses it after
> skb_cow_head(), which is illegal as the header could be freed then.
> 
> Let's fix it by making oldhdr to a local struct instead of a pointer.
> 
> [...]

Here is the summary with links:
  - [v1,net] rpl: Fix use-after-free in rpl_do_srh_inline().
    https://git.kernel.org/netdev/net/c/b640daa2822a

You are awesome, thank you!
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