From nobody Thu Aug 26 15:29:11 2021 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 2EB6A179333B for ; Thu, 26 Aug 2021 15:29:11 +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 4GwRbC0Zgjz3PgG for ; Thu, 26 Aug 2021 15:29:11 +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 EC482124F7 for ; Thu, 26 Aug 2021 15:29:10 +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 17QFTAKK068467 for ; Thu, 26 Aug 2021 15:29:10 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 17QFTA8a068466 for bugs@FreeBSD.org; Thu, 26 Aug 2021 15:29:10 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 258063] Kernel panic from a corrupt cd9660 image. Date: Thu, 26 Aug 2021 15:29:11 +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: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: rtm@lcs.mit.edu 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 attachments.created 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 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 X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D258063 Bug ID: 258063 Summary: Kernel panic from a corrupt cd9660 image. Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: rtm@lcs.mit.edu Created attachment 227450 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D227450&action= =3Dedit mount_cd9660 of this image on a CD causes CURRENT to panic. If I write the attached file to a CD with cdrecord, and then mount it on my amd64 machine, it panics. You can also get the panic with # mdconfig -S 2048 -f bad2.iso # mount_cd9660 /dev/md0 /mnt FreeBSD 14.0-CURRENT (GENERIC) #0 main-n248636-d20e9e02db3: Thu Aug 12 05:4= 7:18 UTC 2021 panic: wrong offset -1099511604224 for sectorsize 2048 cpuid =3D 1 time =3D 1629984411 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0063ad1= 410 vpanic() at vpanic+0x187/frame 0xfffffe0063ad1470 panic() at panic+0x43/frame 0xfffffe0063ad14d0 g_io_request() at g_io_request+0x2ae/frame 0xfffffe0063ad1500 breadn_flags() at breadn_flags+0x1a3/frame 0xfffffe0063ad1570 cd9660_mount() at cd9660_mount+0x941/frame 0xfffffe0063ad1770 vfs_domount() at vfs_domount+0x8d8/frame 0xfffffe0063ad19e0 vfs_donmount() at vfs_donmount+0x880/frame 0xfffffe0063ad1a80 sys_nmount() at sys_nmount+0x69/frame 0xfffffe0063ad1ac0 amd64_syscall() at amd64_syscall+0x12e/frame 0xfffffe0063ad1bf0 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0063ad1bf0 --- syscall (378, FreeBSD ELF64, sys_nmount), rip =3D 0x8011abafa, rsp =3D 0x7fffffffe278, rbp =3D 0x7fffffffea20 --- --=20 You are receiving this mail because: You are the assignee for the bug.=