From owner-freebsd-net@freebsd.org Thu Jul 30 14:42:55 2015 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 9FCC99AF876 for ; Thu, 30 Jul 2015 14:42:55 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 8BDEFEB0 for ; Thu, 30 Jul 2015 14:42:55 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id t6UEgtDF066867 for ; Thu, 30 Jul 2015 14:42:55 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-net@FreeBSD.org Subject: [Bug 200323] BPF userland misuse can crash the system Date: Thu, 30 Jul 2015 14:42:55 +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: 10.1-RELEASE X-Bugzilla-Keywords: needs-qa, patch X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: loos@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-net@FreeBSD.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: mfc-stable10+ X-Bugzilla-Changed-Fields: resolution cc bug_status Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 30 Jul 2015 14:42:55 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=200323 Luiz Otavio O Souza,+55 (14) 99772-1255 changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|FIXED |--- CC| |loos@FreeBSD.org Status|Closed |Open --- Comment #19 from Luiz Otavio O Souza,+55 (14) 99772-1255 --- This is not completely correct, BPF must never sleep on the hot path. The problem still happens, because BPF is sleeping with the NIC lock held. I tracked this down to the changes introduced in r244090 and now I'm looking for a better fix for it. -- You are receiving this mail because: You are the assignee for the bug.