From nobody Sat Mar 19 22:22:59 2022 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 505771A2A7CB for ; Sat, 19 Mar 2022 22:22:59 +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 4KLb426c5Lz4Xfx for ; Sat, 19 Mar 2022 22:22:58 +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 C2F811B7C7 for ; Sat, 19 Mar 2022 22:22:58 +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 22JMMw0U003046 for ; Sat, 19 Mar 2022 22:22:58 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 22JMMwBd003045 for bugs@FreeBSD.org; Sat, 19 Mar 2022 22:22:58 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 262671] Kernel panics after a invalid SNDCTL_MIXERINFO ioctl Date: Sat, 19 Mar 2022 22:22:59 +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: alex@alexslomka.xyz X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@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: 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 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1647728578; 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=XfeM8vywCgJTfLJ8Xd+z/lSqy7rSKwyg2rJ8HUuniiI=; b=JFGfVgh2Gh/8OwxkEpZe6ZNfblzSqDofo8wU3P68mzrBT6/dPMX7moNuUcpx82pCMuS0fO 0Qs8X5d2k5D1iktnlzvfBpASrOcPSzdde7Gj5tHa1qccUNSuRMYLpjXUFGtEUKzgqkw7rQ IQy2dijpXjWkAmTB3HpmALx2iyydEppDvt97PdEq5yMUgnI2waEWZmGm0LHJewVbJiYux5 kh1O07ZkjiFGImcJ9YrjO/Ai1gFQGymQBSTQeqWqWDT2NwkRa0rmaY74Qt5Tp8ktrR2G/p H9QAWc9qQ5GknnhNmSr86wzvKcirJ5sAJPYKv6X6j601TRFciqNcFjkBeLUurw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1647728579; a=rsa-sha256; cv=none; b=sEnOAFisalh+mb0Skq2ixwU0Kr7v+XFKtG0MLO/+s6TVR8X7iQ6P0tD3u5lA1inR/Kn+Z1 YgNRFzFC76u7AfC/aY8YalAlsbD9RUhVLrOJVp4f6xSEQ2dSiHYqb7PGJTtLrcp3MP3+Eo zUsrd1PVhtzFQN9DA465lzd1IbNPvjxYbrsjVgFM4IdOERhgeaedshuw/NBMxsNyxfokrz 5KVHQhqOYAFLVKw7W25skH02v8BXM7lUNmzR7wp0yKiW4N9ao/YpP30kDCuWigNXfC1yfh 9V7niT4XZ3DqiYJb4mhbX/cbEtWB7CxDiQs1db/+a7FO0Bz0UO6m6H+zBsoRhQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D262671 --- Comment #4 from Aleksander Slomka --- Perhaps try setting the `dev` field to some irrational value like `-5`? This will ensure that the value is invalid and maybe trigger the panic more reliably. --=20 You are receiving this mail because: You are the assignee for the bug.=