From: Jakub Kicinski <kuba@kernel.org>
To: Minhong He <heminhong@kylinos.cn>
Cc: edumazet@google.com, andrea.mayer@uniroma2.it,
davem@davemloft.net, david.lebrun@uclouvain.be,
dsahern@kernel.org, horms@kernel.org,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
pabeni@redhat.com
Subject: Re: [PATCH net v2] ipv6: sr: Add NULL check for idev in seg6_hmac_validate_skb
Date: Thu, 12 Mar 2026 19:38:46 -0700 [thread overview]
Message-ID: <20260312193846.59a2d5fd@kernel.org> (raw)
In-Reply-To: <20260313022634.51885-1-heminhong@kylinos.cn>
On Fri, 13 Mar 2026 10:26:34 +0800 Minhong He wrote:
> In seg6_hmac_validate_skb(), the pointer returned by __in6_dev_get()
> can be NULL if the network device lacks proper IPv6 initialization
> or is being torn down. Add a NULL check to avoid potential NULL pointer
> dereference in subsequent code.
next time please start a new thread instead of replying to the previous
posting please.
next prev parent reply other threads:[~2026-03-13 2:38 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-11 7:23 [PATCH net] ipv6: sr: Add unlikely hint to idev NULL check in seg6_hmac_validate_skb Minhong He
2026-03-11 8:57 ` Eric Dumazet
2026-03-13 2:26 ` [PATCH net v2] ipv6: sr: Add NULL check for idev " Minhong He
2026-03-13 2:38 ` Jakub Kicinski [this message]
2026-03-14 22:49 ` Andrea Mayer
2026-03-15 16:01 ` [net,v2] " Simon Horman
2026-03-16 7:33 ` [PATCH net v3] ipv6: add NULL checks for idev in SRv6 paths Minhong He
2026-03-18 0:51 ` Andrea Mayer
2026-03-19 0:44 ` patchwork-bot+netdevbpf
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