Re: [PATCH net v3] net: fix NULL dereference in skb realloc fault injection devname filter

[patchwork-bot+netdevbpf]

Hello:

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

On Wed,  7 Oct 2026 08:41:58 +0800 you wrote:
> When a device name filter is set in
> /sys/kernel/debug/fail_skb_realloc/devname, should_fail_net_realloc_skb()
> compares it with skb->dev->name without checking skb->dev first.
> 
> skb_might_realloc() is called from pskb_may_pull(), pskb_trim() and
> pskb_trim_rcsum(), which also run on skbs that are not associated with
> a device. One example is a netlink broadcast to a listener with a socket
> filter attached, which goes through sk_filter_trim_cap(). With the
> filter set, such an skb makes the kernel oops:
> 
> [...]

Here is the summary with links:
  - [net,v3] net: fix NULL dereference in skb realloc fault injection devname filter
    https://git.kernel.org/netdev/net-next/c/670ff95811b0

You are awesome, thank you!
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