From owner-freebsd-usb@freebsd.org Tue Jan 12 17:17:21 2021 Return-Path: Delivered-To: freebsd-usb@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 39A8A4DFBD1 for ; Tue, 12 Jan 2021 17:17:21 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 4DFchK0vcYz3rZH for ; Tue, 12 Jan 2021 17:17:21 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id 1D3DF4DFC12; Tue, 12 Jan 2021 17:17:21 +0000 (UTC) Delivered-To: usb@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 1D0744DF9F1 for ; Tue, 12 Jan 2021 17:17:21 +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 "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4DFchK0FsVz3rGm for ; Tue, 12 Jan 2021 17:17:21 +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 EC0A75D0 for ; Tue, 12 Jan 2021 17:17:20 +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 10CHHKgF056374 for ; Tue, 12 Jan 2021 17:17:20 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 10CHHKnQ056373 for usb@FreeBSD.org; Tue, 12 Jan 2021 17:17:20 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: usb@FreeBSD.org Subject: [Bug 252608] [panic] [usb] [if_ure] Kernel fault on ure disconnect Date: Tue, 12 Jan 2021 17:17:21 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: usb X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: ali.abdallah@suse.com X-Bugzilla-Status: In Progress X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: usb@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 MIME-Version: 1.0 X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2021 17:17:21 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D252608 --- Comment #7 from Ali Abdallah --- It crashes as well with the patch from comment 5 --- trap 0xc, rip =3D 0xffffffff803b28f1, rsp =3D 0xfffffe00c83604c0, rbp = =3D 0xfffffe00c8360540 ---=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 __mtx_lock_sleep() at __mtx_lock_sleep+0xd1/frame 0xfffffe00c8360540=20=20= =20=20=20=20=20=20=20=20=20=20 usbd_do_request_flags() at usbd_do_request_flags+0x740/frame 0xfffffe00c836= 05d0=20 usbd_do_request_proc() at usbd_do_request_proc+0x60/frame 0xfffffe00c836063= 0=20=20=20=20 ure_miibus_readreg() at ure_miibus_readreg+0x11c/frame 0xfffffe00c83606a0= =20=20=20=20=20=20=20 rgephy_status() at rgephy_status+0x80/frame 0xfffffe00c83606f0=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20 rgephy_service() at rgephy_service+0x417/frame 0xfffffe00c8360750=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20 mii_pollstat() at mii_pollstat+0x46/frame 0xfffffe00c8360780=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 ure_ifmedia_sts() at ure_ifmedia_sts+0x41/frame 0xfffffe00c83607b0=20=20=20= =20=20=20=20=20=20=20=20=20=20=20 ifmedia_ioctl() at ifmedia_ioctl+0x16a/frame 0xfffffe00c83607e0=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20 ifhwioctl() at ifhwioctl+0x2af/frame 0xfffffe00c83608e0=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 ifioctl() at ifioctl+0x2eb/frame 0xfffffe00c8360990=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 kern_ioctl() at kern_ioctl+0x26d/frame 0xfffffe00c8360a00=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 sys_ioctl() at sys_ioctl+0xf2/frame 0xfffffe00c8360ac0 Use after free of the if_ure mutex. --=20 You are receiving this mail because: You are the assignee for the bug.=