From nobody Fri Aug 26 22:03:39 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 4MDv3v3d3sz4b23L for ; Fri, 26 Aug 2022 22:03:39 +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 4MDv3v2Gg3z3w75 for ; Fri, 26 Aug 2022 22:03:39 +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 4MDv3v1KJrzXrb for ; Fri, 26 Aug 2022 22:03:39 +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 27QM3dwA081697 for ; Fri, 26 Aug 2022 22:03:39 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 27QM3dS1081696 for net@FreeBSD.org; Fri, 26 Aug 2022 22:03:39 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: net@FreeBSD.org Subject: [Bug 266054] panic: page fault in sys/ofed/drivers/infiniband/core/ib_cma.c:1060 Date: Fri, 26 Aug 2022 22:03:39 +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: karels@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: 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: 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=1661551419; 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=Y3w0TyRtzdzsXv2+Sldi/8EGxqhbpNb9J4kpiOFRc7k=; b=o/MLl+O92rN2e4BBJY+VVPqW6H4tJzooI46hRguzCdOCaOQi+crJHDZTLZbwqavYmwZrGo anUXJuRkM4psy1cLS4C1kUo80zjEz4KsMq7TTgPsA0Bk6nXxZjWlbSa8jN7IT2lnxHpRht mQp8aFsMRVX3CfiZA96JR/3wL7EMWVNXuF6mqY3/46cMfKkSf7ahA+73IO0eU/F4F5VaF5 CXgQBm8+IuDZP9bFGVBVin5zJDVGhgqbGJzmK0UQm6BQk5PZzc29VoD5dRPkI2RRay7BGp 2vjaARfgrHcyeRTSPiwX6hkOX3PVze852EUalxeHtP43zDJw9ZBH5J09UJAi3Q== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1661551419; a=rsa-sha256; cv=none; b=GQkXI351kS5QE3opwHk8bzOmWFxKQVT4ntz6t3mz0O36vbje7bG3bU+CXM0o1PX9wlYfC9 4gM048C2++XNpPD9KpkFuOV2iHvl8xvS1QmYj6gf0NDSxdQYX3aXyxinoPxFv4dUp6VRF8 3IOOvOUmjHucTfwvPQp4UENuaP+c0q09+FxzaX08sFjHpkezKgbztWaNkn3PQUuzbZyaxc okASaHffRXoLZqV/yA94KwZlli9P/T1lGaikk+h/0RYSRSjR99ccv72gqpBG6vbRgDlaRM c7WeOJHIvFBc4tvej5UT+I3kKRlk9zNKL4wz55ZQ837yw4nyKtJ7qONhVzqo/w== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D266054 Mike Karels changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |karels@freebsd.org --- Comment #4 from Mike Karels --- (In reply to Eric Joyner from comment #3) > The tl;dr is that the V_in_loopback_mask variable (that gets accessed fro= m within > cma_loopback_addr via the ipv4 loopback check) got added in a previous co= mmit > but that RDMA code doesn't have the currvnet set, so the vnet that gets c= hecked > in V_in_loopback_mask is NULL and the kernel panics. Ouch. I hadn't anticipated this situation. Shouldn't the default vnet be = set if nothing has changed it? --=20 You are receiving this mail because: You are the assignee for the bug.=