From nobody Thu Mar 31 20:00:36 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 45C111A51A62 for ; Thu, 31 Mar 2022 20:00:37 +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 4KTvLF0Y4bz3tC4 for ; Thu, 31 Mar 2022 20:00:37 +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 E5C462DA48 for ; Thu, 31 Mar 2022 20:00:36 +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 22VK0aPO023482 for ; Thu, 31 Mar 2022 20:00:36 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 22VK0aX0023481 for net@FreeBSD.org; Thu, 31 Mar 2022 20:00:36 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 258420] stge: fix null pointer dereference Date: Thu, 31 Mar 2022 20:00:36 +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 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=1648756837; 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=TWbVKdcsfa9xi+65vZCGAykBCaphjBvB/Op8MPrKZlU=; b=N74yW2iTFq5z28mTCbTbfxv3C+5zJemV8rfxIYK3t9SJqLnmbcRJBp6RkeL+TswoFmMI68 bFFY4B4sYxjkMfDVRwyQKoqjkuO/hKA96WRq3GNiBGzcJ3c5wukHVfXCYXXMx4SKAh4IEU kGaT3S7LzGTeptdLPPXGAzE2k9KeF4aVLMfdLGXmz7mX1JwwM2ufY9WhVIcP43b9FikKpF gqeSSCdYRirD4xmBwf7AfYg8+/Se0uQxHhy6jXQCZErCrhOPxz6jBeHOeLtcCkXRhL3C70 OyU/PNSedrLH/w9UrZScGbFTw1Z3o5Y05Ud+APs7vAc6ugPoqChPB3w8AyJKaw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1648756837; a=rsa-sha256; cv=none; b=ACMZnBvcFx5pY0TAyr4Is4nVRyru0MtpewYNBZUCIRNOt0drYnMkZ+OavX3IxLyNKnvyrS LnYV1UjNO3yKE1FYF6D6IYGEGS0LuVY2bS7Z7hRN0lcV+MVJ0LKP7NRN5oDKBGOq8IIJhp PyDKsPx7t14DsrY5y5B8ogr1Bz43uOJX4K0gZt9y9zLv39daDEINROkJS9RIItIgww6Un2 CpwoQTZnkLDkNigiUJQVweyeBJuo1PbmYbwkJJneTzHkML3I5LOCi172+N6kErH6EbQyzG oUOwiWgDjoiMKB48epe3noMc3PQ5ICGc2b/TNq+lYhuNndoh2C7WU/bAg645uw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D258420 --- Comment #2 from commit-hook@FreeBSD.org --- A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3D2108cc72906f274f30306570268434c4f= 8d23636 commit 2108cc72906f274f30306570268434c4f8d23636 Author: Tong Zhang AuthorDate: 2022-03-31 18:16:55 +0000 Commit: Mark Johnston CommitDate: 2022-03-31 19:54:56 +0000 stge: fix null pointer dereference stge_attach() could fail at line 464, sc->sc_spec remains NULL when calling stge_detach(), thus bus_release_resources() at line 704 will trigger null pointer dereference. We need to check the nulliness before calling bus_release_resources(). PR: 258420 Reviewed by: markj MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D34629 sys/dev/stge/if_stge.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --=20 You are receiving this mail because: You are the assignee for the bug.=