Re: [PATCH net v3 0/2] tcp: fix use-after-free in do_tcp_getsockopt()

Hello:

This series was applied to netdev/net.git (main)
by Jakub Kicinski [off-list ref]:

On Thu, 27 Aug 2026 19:55:09 -0400 you wrote:

From: "Cen Zhang (Microsoft Security FORGE Labs)" <redacted>

do_tcp_getsockopt() has two lockless reads of icsk_ca_ops. Since BPF
struct_ops congestion control made icsk_ca_ops point to dynamically
allocated memory, a concurrent setsockopt(TCP_CONGESTION) can replace
the pointer and free the old object while either reader is using it.

[...]

Here is the summary with links:
  - [net,v3,1/2] tcp: fix use-after-free in do_tcp_getsockopt(TCP_CONGESTION)
    https://git.kernel.org/netdev/net/c/5271b79b7ad6
  - [net,v3,2/2] tcp: fix use-after-free in do_tcp_getsockopt(TCP_CC_INFO)
    https://git.kernel.org/netdev/net/c/385e474086c2

You are awesome, thank you!
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