From nobody Fri Sep 04 07:21:44 2026 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hbnvs2Lw6z6rCjf for ; Fri, 04 Sep 2026 07:21:45 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR2" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hbnvs03qTz3jHT for ; Fri, 04 Sep 2026 07:21:45 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1788506505; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=mG9L3lYz6KHC53D/pcRnRvdYteFuvEvGv1QaxmoCQDg=; b=RMwnPCEutE9XmhTQnB7L0V8Vd+F74WyYRbg8W5BNfy5CKQ1n0GuTGTM5o2cHa3kDOcj5QB Y7sSphUHjTI69XUiLVtZqZv7Q6O5BoXSrFRvLzpPBb4SKaa6bWfLp5sNYsLaaJMNYrOplQ YigUf8hqk7iRHnAV2lVqKBC+VMuqM07n9SRKreffMiwrk+wwRYXyyK3lbStRjxfVHqFr7P SjImtjfshmccHC1EGSakN0t9mVDgGgPPYFpqS5Yv5n5l1CMJsePMno/XSwQVE2t9heGvhi 4aDpOIx216RSKUaG96jQf3X02UT32H+ERwUmEq/HOiX6xy0/h97iq19+2ZEUbg== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1788506505; a=rsa-sha256; cv=none; b=WzItJyz86noovtKGXCvzrHzSuStoLOTLYcJPJhMtmHhmoL87vs45yS41McT5z3rVNKgw6o YdsLVDdtU59KiXAEdWlYs/hwujKflEJKB7zZPkhvxJsFfX5qLOhw5qh9CFiaG0NB3tyJq1 /2EFe8jqHPs1kva1hj8+uq+/BS+/tEpvI+gRnAEU5tqFYf4IxLJ4RQAsLfyzsCKJ+rOnRd aHWMTRUtGuXq5GP9hoe+BXYMx575Gm6o32WFOU/MM/KtrLFWBoKNaoGEeCKRSqQqisgUjS uMAcUAwvlz6PXrLWE2r+BCGVootcHRNIm7vQhdM9h21ZQD8Ca4kzrxgMKokwMQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1788506505; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=mG9L3lYz6KHC53D/pcRnRvdYteFuvEvGv1QaxmoCQDg=; b=MYX1O81zvYbaC6Gou+rhJfuEqT/eCtGuoTxEy/oYyF7PyJkqkc1zOWY7ye8BWjZcyBLzwJ JGfGTx4Es+u0M+1f5yzsIAGUOfJSK05pe2EX+DIuiftIX7REsRVcKcCumYzm0x7r147Fi/ Lo0ApSAzZpYBuZz0SvDFDuyf0KHvgnMg8MJM9V7wUNRh4c1NlyMNQCRP8mfOgw71ybUMJ8 icN1AvzcwGCR0+B+6WppNxL16taqYJJLjeY+VjtyusmBnpu954LErNDX/Vz/dViQBrJ1xC 0/mf2Yto2vJvGzfOqE85qUF9eMXkIhgal/9APsvrSsggs54DXnsTlJ72rxuUhw== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4hbnvr6082zps9 for ; Fri, 04 Sep 2026 07:21:44 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 31c09 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Fri, 04 Sep 2026 07:21:44 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Michael Tuexen Subject: git: 5d3e31df7c4f - main - tcp md5: fix accounting for SYN segments with unexpected signature List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: tuexen X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 5d3e31df7c4fc0e53168bac717bed5f94dab7068 Auto-Submitted: auto-generated Date: Fri, 04 Sep 2026 07:21:44 +0000 Message-Id: <6a9a7188.31c09.6b990cd5@gitrepo.freebsd.org> The branch main has been updated by tuexen: URL: https://cgit.FreeBSD.org/src/commit/?id=5d3e31df7c4fc0e53168bac717bed5f94dab7068 commit 5d3e31df7c4fc0e53168bac717bed5f94dab7068 Author: Michael Tuexen AuthorDate: 2026-09-04 07:18:10 +0000 Commit: Michael Tuexen CommitDate: 2026-09-04 07:18:10 +0000 tcp md5: fix accounting for SYN segments with unexpected signature When receiving a SYN segment with an MD5 option on a listening socket, which has not enabled TCP MD5 support, increment the counter for unexpected signatures (tcps_sig_err_sigopt). Reviewed by: rscheff MFC after: 1 week MFC to: stable/14 MFC to: stable/15 Differential Revision: https://reviews.freebsd.org/D59303 --- sys/netinet/tcp_syncache.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sys/netinet/tcp_syncache.c b/sys/netinet/tcp_syncache.c index 0d8f725455b7..1b7e03e4ff79 100644 --- a/sys/netinet/tcp_syncache.c +++ b/sys/netinet/tcp_syncache.c @@ -1528,8 +1528,10 @@ syncache_add(struct in_conninfo *inc, struct tcpopt *to, struct tcphdr *th, TCPMD5_INPUT(m, NULL, NULL) != ENOENT) goto done; } - } else if (to->to_flags & TOF_SIGNATURE) + } else if (to->to_flags & TOF_SIGNATURE) { + TCPSTAT_INC(tcps_sig_err_sigopt); goto done; + } #endif /* TCP_SIGNATURE */ /* * See if we already have an entry for this connection.