Hello: This patch was applied to netdev/net.git (master) by David S. Miller <davem@xxxxxxxxxxxxx>: On Fri, 19 Nov 2021 13:05:21 +0100 you wrote: > On kernels before v5.15, calling read() on a unix socket after > shutdown(SHUT_RD) or shutdown(SHUT_RDWR) would return the data > previously written or EOF. But now, while read() after > shutdown(SHUT_RD) still behaves the same way, read() after > shutdown(SHUT_RDWR) always fails with -EINVAL. > > This behaviour change was apparently inadvertently introduced as part of > a bug fix for a different regression caused by the commit adding sockmap > support to af_unix, commit 94531cfcbe79c359 ("af_unix: Add > unix_stream_proto for sockmap"). Those commits, for unclear reasons, > started setting the socket state to TCP_CLOSE on shutdown(SHUT_RDWR), > while this state change had previously only been done in > unix_release_sock(). > > [...] Here is the summary with links: - af_unix: fix regression in read after shutdown https://git.kernel.org/netdev/net/c/f9390b249c90 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html