From nobody Thu Sep 22 11:31:10 2022 X-Original-To: net@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 4MYClf5kY4z4d7bT for ; Thu, 22 Sep 2022 11:31:10 +0000 (UTC) (envelope-from bugzilla-noreply@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 "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4MYClf3X7hz3xkv for ; Thu, 22 Sep 2022 11:31:10 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (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 did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4MYClf2ZkzzP1h for ; Thu, 22 Sep 2022 11:31:10 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 28MBVAKo066380 for ; Thu, 22 Sep 2022 11:31:10 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 28MBVAj8066379 for net@FreeBSD.org; Thu, 22 Sep 2022 11:31:10 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: bugzilla set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 260393] [tcp] Page Fault tcp_output/tcp_input Date: Thu, 22 Sep 2022 11:31:10 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.0-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: commit-hook@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@freebsd.org MIME-Version: 1.0 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1663846270; 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: in-reply-to:in-reply-to:references:references; bh=MuT4NGULP/gpB/OlCNYERp7Qlyp/yMVT5ofYz5rsXMs=; b=D+h2nlBJb5yrSo/vCb4Apb6lwwZwmxRco1Bun5Vs2jAxLVqIn6yh8h/fzK8rfmREBiTP+q XAaTi9W+DTv7tzes0ZJyim7kHokC/6yLYfnv7oBSAc5oGF2GD053jXjFP8Jlxwx1aLDSOU izWXoWhhPO+siZcSAZXMj24vIIkSYXAne7ew9R2Y1ZmMD3a473CfVp3N0nbcym4J3BlFim ZGmvsAVPhJ6s4g58fd/I2T/fAnzJ30mFfsreOl/1TsYfobV2jO4SOc53eyk5NoQba2YvpI 3+ljoaESMs4Z/J+9xgO6PV3R8JHepkeIrlsTNm4rqT01AWcGmdJhI/tVTFY2Dg== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1663846270; a=rsa-sha256; cv=none; b=H0loATVCyKHQxccZYxOGveyzqcLSIvRBM5+brBfoL+/eMIkIy2r1H/VDEtmRw8uomj9Swp Rb3/gHtvrhzrprXhU5/+e369prY0lwxIZq9gNvBAbeR9JlvsWDEO1JAfooMo9ZMgPBAoC2 8HOU7lm0dJCg2Op3HVdBn38b+w6V1mOKiC0+OKowjC93EqLLSbGOoyjHCBCGTYMTeVqhsc PQ4QorckomcnOnuG1/WFWDVktywGfg15Rdq0MHwWpSRa1Dbyn8jIogIiAWz81MDWOVrOlX w/8GZNARvPmGxD0KqRdThwxRI1aDrRYD3BrFdk0Atc+rNYKqV01IUmEfBW/Djg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D260393 --- Comment #97 from commit-hook@FreeBSD.org --- A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3Da743fc8826fa348b09d219632594c537f= 8e5690e commit a743fc8826fa348b09d219632594c537f8e5690e Author: Richard Scheffenegger AuthorDate: 2022-09-22 10:55:25 +0000 Commit: Richard Scheffenegger CommitDate: 2022-09-22 11:28:43 +0000 tcp: fix cwnd restricted SACK retransmission loop While doing the initial SACK retransmission segment while heavily cwnd constrained, tcp_ouput can erroneously send out the entire sendbuffer again. This may happen after an retransmission timeout, which resets snd_nxt to snd_una while the SACK scoreboard is still populated. Reviewed By: tuexen, #transport PR: 264257 PR: 263445 PR: 260393 MFC after: 3 days Sponsored by: NetApp, Inc. Differential Revision: https://reviews.freebsd.org/D36637 sys/netinet/tcp_output.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --=20 You are receiving this mail because: You are the assignee for the bug.=