Date: Tue, 14 Jul 2026 23:08:25 +0000 From: Mark Johnston <markj@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Cc: Gleb Smirnoff <glebius@FreeBSD.org> Subject: git: e56cb0b4cc3c - stable/14 - sockets: inherit SO_ACCEPTFILTER from listener to child Message-ID: <6a56c169.23175.554d364f@gitrepo.freebsd.org>
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The branch stable/14 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=e56cb0b4cc3c48bbf287fc5eba427c66b228acbb commit e56cb0b4cc3c48bbf287fc5eba427c66b228acbb Author: Gleb Smirnoff <glebius@FreeBSD.org> AuthorDate: 2024-04-24 00:17:14 +0000 Commit: Mark Johnston <markj@FreeBSD.org> CommitDate: 2026-07-14 23:08:13 +0000 sockets: inherit SO_ACCEPTFILTER from listener to child This is crucial for operation of accept_filter(9). See added comment. Fixes: d29b95ecc0d049406d27a6c11939d40a46658733 (cherry picked from commit a8acc2bf5699556946dda2a37589d3c3bd9762c6) --- sys/kern/uipc_socket.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/sys/kern/uipc_socket.c b/sys/kern/uipc_socket.c index 515f038b78fa..c9691d351a58 100644 --- a/sys/kern/uipc_socket.c +++ b/sys/kern/uipc_socket.c @@ -1166,9 +1166,13 @@ solisten_clone(struct socket *head) * including those completely irrelevant to a new born socket. For * compatibility with older versions we will inherit a list of * meaningful options. + * The crucial bit to inherit is SO_ACCEPTFILTER. We need it present + * in the child socket for soisconnected() promoting socket from the + * incomplete queue to complete. It will be cleared before the child + * gets available to accept(2). */ - so->so_options = head->so_options & (SO_KEEPALIVE | SO_DONTROUTE | - SO_LINGER | SO_OOBINLINE | SO_NOSIGPIPE); + so->so_options = head->so_options & (SO_ACCEPTFILTER | SO_KEEPALIVE | + SO_DONTROUTE | SO_LINGER | SO_OOBINLINE | SO_NOSIGPIPE); so->so_linger = head->so_linger; so->so_state = head->so_state; so->so_fibnum = head->so_fibnum;home | help
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