From nobody Thu Nov 2 23:56:21 2023 X-Original-To: bugs@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 4SM14569Lfz4ytyr for ; Thu, 2 Nov 2023 23:56:21 +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 4SM14547qFz3MF1 for ; Thu, 2 Nov 2023 23:56:21 +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=1698969381; 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=lA3lJvaqw3BjpRujbu30N76MzLE36W3VV+/7GzZhFOg=; b=ne/XYqY6nvRxV79R8J7iivw9nlBFtgrllEcqi6faBrjH8ovWG/vYbEWAAJ3wlnrWlqJvjW o4rEup9kW4xp66yCZQoMF49W2YFbVK2urIJqz00Y8R1tvAQXUXf+yPP4HisVOGWca83dcI gwGmxPRJNHnA+laxeT+444+3cf04cy0wKfuOzof9RpxYzAtC1vujnv7YKtfpKTkQFC55uY cUbMgdEI4ZPH6G0DSrbj17ccIIxOc2HL7jljU//zKJmeLk9PruCun3Y9EAzLRrcXmqk5lL vlOvUZcvLeIojbC2PXftk85pYQ/55NdPOXaNJluSZe0iPcdiJx6DLZ6+aGQbmw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1698969381; a=rsa-sha256; cv=none; b=ncXdrrLFmZunb8wWc6p9xpK+ee9Cjf2t60s2RT1c2wRJ1wkg+AErDrCO4C+acJgYuS7JTL HNnFRqt0QfzQcoITf0Kza7yxQ9LrIjzm89ymDsu7AgeNEI/6XAE5wHT6o+anU9i93Zo3MH pHYaTvAuBxIDa19XpI7riSAOXhOcO8Ii3zi0TO5jcwiF14E6PxDpSg/igPQ8fo2ZzF46Ts wt/+8c0rduf5gebFDueKCtrTYg+7ph8BaZjzruZPoMlqZ0CxiMcCsEDw1RVtgzvVFodkCp +dDpJVghbE6vPN02PmZGt0cItmIE8ubwCeVLQRznX8PJ99fO77w7tZ6urqVUxg== 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 4SM1453DsJzqgw for ; Thu, 2 Nov 2023 23:56:21 +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 3A2NuLSD082494 for ; Thu, 2 Nov 2023 23:56:21 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 3A2NuLjX082493 for bugs@FreeBSD.org; Thu, 2 Nov 2023 23:56:21 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: bugs@FreeBSD.org Subject: [Bug 274875] A possible null-pointer dereference caused by a data race in sys/geom/gate/g_gate.c Date: Thu, 02 Nov 2023 23:56:21 +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: 14.0-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: markj@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@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: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@freebsd.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D274875 Mark Johnston changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |markj@FreeBSD.org --- Comment #1 from Mark Johnston --- The geom topology lock synchronizes relevant accesses to sc->sc_readcons. = In particular, dumpconf is invoked with the topology lock held, and this lock = is also held when clearing sc_readcons. Why do you think that there is a race? --=20 You are receiving this mail because: You are the assignee for the bug.=