Re: [PATCH net v3] ipv6/addrconf: fix a null-ptr-deref bug for ip6_ptr

From: patchwork-bot+netdevbpf
Date: Thu Jul 28 2022 - 14:10:23 EST


Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Thu, 28 Jul 2022 09:33:07 +0800 you wrote:
> Change net device's MTU to smaller than IPV6_MIN_MTU or unregister
> device while matching route. That may trigger null-ptr-deref bug
> for ip6_ptr probability as following.
>
> =========================================================
> BUG: KASAN: null-ptr-deref in find_match.part.0+0x70/0x134
> Read of size 4 at addr 0000000000000308 by task ping6/263
>
> [...]

Here is the summary with links:
- [net,v3] ipv6/addrconf: fix a null-ptr-deref bug for ip6_ptr
https://git.kernel.org/netdev/net/c/85f0173df35e

You are awesome, thank you!
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