From owner-freebsd-bugs@freebsd.org Fri Jul 17 14:37:22 2020 Return-Path: Delivered-To: freebsd-bugs@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 2ECE3366989 for ; Fri, 17 Jul 2020 14:37:22 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 4B7YcL0YB8z47jl for ; Fri, 17 Jul 2020 14:37:22 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id 10F95366987; Fri, 17 Jul 2020 14:37:22 +0000 (UTC) Delivered-To: bugs@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 10BDF366813 for ; Fri, 17 Jul 2020 14:37:22 +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 4B7YcK6l5Nz47g7 for ; Fri, 17 Jul 2020 14:37:21 +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 C6CB11ABE5 for ; Fri, 17 Jul 2020 14:37:21 +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 06HEbLDQ028179 for ; Fri, 17 Jul 2020 14:37:21 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 06HEbLQD028178 for bugs@FreeBSD.org; Fri, 17 Jul 2020 14:37:21 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 248046] Panic when creating a bridge interface Date: Fri, 17 Jul 2020 14:37:21 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 12.1-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: freqlabs@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: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: 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-bugs@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 Jul 2020 14:37:22 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D248046 Bug ID: 248046 Summary: Panic when creating a bridge interface Product: Base System Version: 12.1-STABLE Hardware: amd64 OS: Any Status: New Severity: Affects Some People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: freqlabs@FreeBSD.org This was also reported on freebsd-stable as "Kernel panic on recent 12.1 on bridge creation." Tested on a kernel built with INVARIANTS, on FreeBSD-12.1-STABLE-amd64-20200709-r363017-disc1.iso Repro: ifconfig bridge create Unread portion of the kernel message buffer: panic: malloc(M_WAITOK) in epoch context cpuid =3D 1 time =3D 1594992085 KDB: stack backtrace: #0 0xffffffff80bda5b5 at kdb_backtrace+0x65 #1 0xffffffff80b934ab at vpanic+0x17b #2 0xffffffff80b932b3 at panic+0x43 #3 0xffffffff80b6e414 at malloc_dbg+0xd4 #4 0xffffffff80b6e1c1 at malloc+0x21 #5 0xffffffff82a16b69 at bridge_ioctl_gifs+0xb9 #6 0xffffffff82a1845b at bridge_ioctl+0x32b #7 0xffffffff80c893ea at ifioctl+0x9ea #8 0xffffffff80bf93d5 at kern_ioctl+0x2d5 #9 0xffffffff80bf9057 at sys_ioctl+0x127 #10 0xffffffff81055874 at amd64_syscall+0x2a4 #11 0xffffffff8102c880 at fast_syscall_common+0x101 --=20 You are receiving this mail because: You are the assignee for the bug.=