From owner-freebsd-bugs@FreeBSD.ORG Tue Feb 3 10:30:25 2015 Return-Path: Delivered-To: freebsd-bugs@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 150EC43B for ; Tue, 3 Feb 2015 10:30:25 +0000 (UTC) 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 F1433617 for ; Tue, 3 Feb 2015 10:30:24 +0000 (UTC) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.14.9/8.14.9) with ESMTP id t13AUOFM036099 for ; Tue, 3 Feb 2015 10:30:24 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 197246] [patch] use-after-free bug in pipe_dtor() Date: Tue, 03 Feb 2015 10:30:24 +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: 11.0-CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: commit-hook@freebsd.org X-Bugzilla-Status: New X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: 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-bugs@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Feb 2015 10:30:25 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=197246 --- Comment #2 from commit-hook@freebsd.org --- A commit references this bug: Author: kib Date: Tue Feb 3 10:29:41 UTC 2015 New revision: 278145 URL: https://svnweb.freebsd.org/changeset/base/278145 Log: Fix use after free in pipe_dtor(). PIPE_NAMED flag must be tested before pipeclose() is called, since for !PIPE_NAMED case, when peer is already closed, the pipe pair memory is freed. Submitted by: luke.tw@gmail.com PR: 197246 Tested by: pho MFC after: 3 days Changes: head/sys/kern/sys_pipe.c -- You are receiving this mail because: You are the assignee for the bug.