linux-kernel - Re: [PATCH net-next v3] skbuff: Introduce slab_build

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Date:   Sat, 10 Dec 2022 04:00:18 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Kees Cook <keescook@...omium.org>
Cc:     kuba@...nel.org,
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Subject: Re: [PATCH net-next v3] skbuff: Introduce slab_build_skb()

Hello:

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

On Wed,  7 Dec 2022 22:02:59 -0800 you wrote:
> syzkaller reported:
> 
>   BUG: KASAN: slab-out-of-bounds in __build_skb_around+0x235/0x340 net/core/skbuff.c:294
>   Write of size 32 at addr ffff88802aa172c0 by task syz-executor413/5295
> 
> For bpf_prog_test_run_skb(), which uses a kmalloc()ed buffer passed to
> build_skb().
> 
> [...]

Here is the summary with links:
  - [net-next,v3] skbuff: Introduce slab_build_skb()
    https://git.kernel.org/netdev/net-next/c/ce098da1497c

You are awesome, thank you!
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