Re: [PATCH net v2] netdevsim: zero initialize struct iphdr in dummy sk_buff

From: patchwork-bot+netdevbpf

Date: Mon Apr 27 2026 - 20:31:06 EST


Hello:

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

On Sun, 26 Apr 2026 23:14:34 +0300 you wrote:
> Syzbot reports a KMSAN uninit-value originating from
> nsim_dev_trap_skb_build, with the allocation also
> being performed in the same function.
>
> Fix this by calling skb_put_zero instead of skb_put to
> guarantee zero initialization of the whole IP header.
>
> [...]

Here is the summary with links:
- [net,v2] netdevsim: zero initialize struct iphdr in dummy sk_buff
https://git.kernel.org/netdev/net/c/35eaa6d8d6c2

You are awesome, thank you!
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