Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski [off-list ref]:
On Tue, 17 Feb 2026 16:12:05 +0000 you wrote:
Code in tcp_v6_syn_recv_sock() after the call to tcp_v4_syn_recv_sock()
is done too late.
After tcp_v4_syn_recv_sock(), the child socket is already visible
from TCP ehash table and other cpus might use it.
Since newinet->pinet6 is still pointing to the listener ipv6_pinfo
bad things can happen as syzbot found.
[...]
Here is the summary with links:
- [net] tcp: fix potential race in tcp_v6_syn_recv_sock()
https://git.kernel.org/netdev/net/c/858d2a4f67ff
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html