From: "Chuck Lever" <cel@kernel.org>
To: "Ren Wei" <weir@nebusec.ai>
Cc: kernel-tls-handshake@lists.linux.dev, netdev@vger.kernel.org,
davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, horms@kernel.org, vega@nebusec.ai,
sashiko-bot@kernel.org, rakukuip@gmail.com
Subject: Re: [PATCH net 1/1] net/handshake: Protect request hash lookups
Date: Sun, 20 Sep 2026 14:41:24 -0400 [thread overview]
Message-ID: <482ef2fa-b651-46f2-8721-8a2fe45e5599@slotpi15m67> (raw)
In-Reply-To: <01a84794d26de3d9b78ccfb5f34025cd67429290.1789819174.git.rakukuip@gmail.com>
On Mon, Sep 21, 2026 at 01:04:13AM +0800, Ren Wei wrote:
> Fix these races by introducing a kref reference count and rcu_head to
> struct handshake_req. handshake_req_hash_lookup() now safely acquires a
> reference using kref_get_unless_zero() under rcu_read_lock(). Likewise,
> handshake_req_next() acquires a reference under hn_lock, and callers
> release their references using handshake_req_put(). Releasing the final
> reference in handshake_req_put() frees the request via kfree_rcu().
Reviewed-by: Chuck Lever <cel@kernel.org>
--
Chuck Lever (Come to NFS bake-a-thon! https://nfsv4bat.org)
next prev parent reply other threads:[~2026-09-20 18:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-20 17:04 [PATCH net 0/1] net/handshake: Protect request hash lookups Ren Wei
2026-09-20 17:04 ` [PATCH net 1/1] " Ren Wei
2026-09-20 18:41 ` Chuck Lever [this message]
2026-09-24 1:57 ` Jakub Kicinski
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