Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni [off-list ref]:

On Sun, 05 Jul 2026 22:24:36 -0500 you wrote:

From: Bryam Vargas <redacted>

afiucv_hs_rcv() looks up the destination socket under iucv_sk_list.lock,
drops the lock, and then passes the socket to the afiucv_hs_callback_*()
handlers without holding a reference. AF_IUCV sockets are not
RCU-protected and are freed synchronously by iucv_sock_kill() ->
sock_put(), so a concurrent close can free the socket in the window
between read_unlock() and the handler, which then dereferences freed
memory (for example sk->sk_data_ready() in afiucv_hs_callback_syn()).

[...]

Here is the summary with links:
  - [net] net/iucv: take a reference on the socket found in afiucv_hs_rcv()
    https://git.kernel.org/netdev/net/c/4fa349156043

You are awesome, thank you!
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