From nobody Thu Feb 1 10:30:40 2024 X-Original-To: transport@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 4TQZtS6BKyz58LfW for ; Thu, 1 Feb 2024 10:30:40 +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 4TQZtS56G6z47S7 for ; Thu, 1 Feb 2024 10:30:40 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1706783440; 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=+D6Ff++naTj2QIpyE59OXSXBIZvBGKLHAtuAHQO7e8E=; b=Oe+uwamgDI8HLuFLjnE0/V48QtXmfZmayq5ADegkHFqUOHnr/PmkcvGzO8ckg25Va/Nhbp 624P9fNBRgVEO0OSAdybsWt0NN1MIg0vK7/tG7BvJmQxXDgeBXiCd5qypBpjLpscvy1nyI pk5qMPLSayf21fKmyBDmNb2k6Lgc6zSZCprk26zn6Irj2MX2uECe+ZUf0N4DJUihTJdKLy p4pwp+YymCyRwjsgxS3OODaT595vmaomrKzOT32VcSCyh7ujWhe8Y9qPtOB/8S9vR0Ibgq wizmbTDj73RFfuclzs4Az6cQ/hqGJCH+vainSzr0wlwwelEXYIRfZZcbD9kIig== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1706783440; a=rsa-sha256; cv=none; b=MRFfd/lQ61RwueGndrHCxck2w9/T1B2OpC9KLKwhwdNsEVMHdNGLvwYbjF5d291KmrxWcO 2ZuQs+kHFrU3dl+ItP3P2IVyIcZafgrlgDRJjUeIvjlXbGV0oocHSRrr5tpoU+3mBnr6f9 p0A69zcLjf6I3vR23RxeACVhSXcCsEtlSHO8I3loHCqEo2QbT5VBhcLSzJtFbsn9AW1wb1 /mfP6jhZZQuuV5kejUsJLGXcWasZzo4DZlrJzoR1pljW1c18qDNjI9/rLV57gpYSUQzDxa x31peZ0Tx7vbtSKxmciMyYKq+ctX5HqPY5cWaebLtKKTI4DOmU07xWgK9EI3kw== 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 4TQZtS458xzyTX for ; Thu, 1 Feb 2024 10:30:40 +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 411AUe40017321 for ; Thu, 1 Feb 2024 10:30:40 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 411AUeqS017320 for transport@FreeBSD.org; Thu, 1 Feb 2024 10:30:40 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: transport@FreeBSD.org Subject: [Bug 276761] panic: sbsndptr_noadv: sb_mb is NULL Date: Thu, 01 Feb 2024 10:30:40 +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: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: rscheff@freebsd.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: transport@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc 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: Discussions List-Archive: https://lists.freebsd.org/archives/freebsd-transport List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-transport@freebsd.org X-BeenThere: freebsd-transport@freebsd.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D276761 Richard Scheffenegger changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |glebius@FreeBSD.org --- Comment #2 from Richard Scheffenegger --- Daniel, If you can deterministically reproduce this, that this is probably what Gleb was looking for. It is likely that this is an instance where the retransmit timer is active = on a closed (or closing) session, where the socket buffers were already freed... The BT certainly looks like this - the open question is, why not all outstanding timers get cancelled when a session is closing - one codepath s= eems to be missing the relevant cleanups. (This appears to have been exposed by my recent change of not discarding the SACK scoreboard on an RTO - SACK retransmissions do re-arm the RTO timer.) If you are looking for a quick workaround, we have one, but would really appreciate your help into understanding the actual root cause (codepath whe= re session closure is not properly cleaning up). --=20 You are receiving this mail because: You are the assignee for the bug.=