** Changed in: linux (Ubuntu) Importance: Undecided => Critical ** Tags added: rls-ff-incoming
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1921137 Title: mount.ocfs2 causes kernel BUG at lib/string.c:1149! Status in corosync package in Ubuntu: New Status in libaio package in Ubuntu: New Status in linux package in Ubuntu: Confirmed Status in ocfs2-tools package in Ubuntu: New Bug description: the ocfs2-tools autopkgtests for hirsute recently started failing, and a local test run shows this kernel bug occurring during the test: [ 100.791586] o2dlm: Leaving domain 1D5A19C6EC8F430AB4E29230BC54D70E [ 108.864491] detected buffer overflow in strlen [ 108.869193] ------------[ cut here ]------------ [ 108.869196] kernel BUG at lib/string.c:1149! [ 108.869962] invalid opcode: 0000 [#1] SMP PTI [ 108.870715] CPU: 15 PID: 1725 Comm: mount.ocfs2 Not tainted 5.11.0-11-generic #12-Ubuntu [ 108.872156] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014 [ 108.873701] RIP: 0010:fortify_panic+0x13/0x15 [ 108.874452] Code: 35 28 e5 36 01 48 c7 c7 2b f2 80 92 e8 00 c4 fe ff 41 5c 41 5d 5d c3 55 48 89 fe 48 c7 c7 78 f2 80 92 48 89 e5 e8 e7 c3 fe ff <0f> 0b 48 c7 c7 d0 f7 48 92 e8 df ff ff ff 48 c7 c7 d8 f7 48 92 e8 [ 108.879043] RSP: 0018:ffffa9cf811afc90 EFLAGS: 00010246 [ 108.880396] RAX: 0000000000000022 RBX: ffff926a4cd06000 RCX: 0000000000000000 [ 108.882165] RDX: 0000000000000000 RSI: ffff926b77bd8ac0 RDI: ffff926b77bd8ac0 [ 108.883474] RBP: ffffa9cf811afc90 R08: 0000000000000000 R09: ffffa9cf811afa88 [ 108.884758] R10: ffffa9cf811afa80 R11: ffffffff92f53508 R12: 0000000000000004 [ 108.885961] R13: ffff926a49917800 R14: ffff926a54bdc800 R15: ffff926a4cd06291 [ 108.887163] FS: 00007f8440b60600(0000) GS:ffff926b77bc0000(0000) knlGS:0000000000000000 [ 108.888626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.889607] CR2: 000055eec2b97dc8 CR3: 0000000106c64000 CR4: 00000000000006e0 [ 108.890823] Call Trace: [ 108.891279] ocfs2_initialize_super.isra.0.cold+0xc/0x18 [ocfs2] [ 108.892603] ? ocfs2_sb_probe+0x133/0x3a0 [ocfs2] [ 108.893484] ? pointer+0x185/0x4d0 [ 108.894079] ocfs2_fill_super+0x15d/0x7a0 [ocfs2] [ 108.894965] mount_bdev+0x18d/0x1c0 [ 108.895570] ? ocfs2_remount+0x450/0x450 [ocfs2] [ 108.896518] ocfs2_mount+0x15/0x20 [ocfs2] [ 108.897293] legacy_get_tree+0x2b/0x50 [ 108.897939] vfs_get_tree+0x2a/0xc0 [ 108.898542] do_new_mount+0x14b/0x1a0 [ 108.899175] path_mount+0x1d4/0x4e0 [ 108.899789] __x64_sys_mount+0x108/0x140 [ 108.900465] do_syscall_64+0x38/0x90 [ 108.901129] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 108.902376] RIP: 0033:0x7f8441109bce [ 108.903169] Code: 48 8b 0d 9d 72 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 6a 72 0c 00 f7 d8 64 89 01 48 [ 108.906322] RSP: 002b:00007fff92a4e2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 108.907610] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8441109bce [ 108.909000] RDX: 000055eec0e140ae RSI: 000055eec2b899e0 RDI: 000055eec2b8f060 [ 108.910727] RBP: 00007fff92a4e4a0 R08: 000055eec2b8f000 R09: 00007fff92a4bd00 [ 108.912443] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff92a4e390 [ 108.914190] R13: 00007fff92a4e310 R14: 000055eec2b8ac00 R15: 0000000000000000 [ 108.916009] Modules linked in: ocfs2 quota_tree ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm ocfs2_nodemanager ocfs2_stackglue 9p fscache nls_iso8859_1 dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua ppdev bochs_drm drm_vram_helper drm_ttm_helper ttm kvm_intel drm_kms_helper parport_pc 9pnet_virtio cec input_leds joydev 9pnet parport rc_core fb_sys_fops serio_raw kvm syscopyarea sysfillrect sysimgblt mac_hid qemu_fw_cfg sch_fq_codel msr drm virtio_rng ip_tables x_tables autofs4 btrfs blake2b_generic xor raid6_pq libcrc32c virtio_net net_failover psmouse failover virtio_blk i2c_piix4 pata_acpi floppy [ 108.925313] ---[ end trace 72e4f69b08b1a89a ]--- [ 108.927136] RIP: 0010:fortify_panic+0x13/0x15 [ 108.928706] Code: 35 28 e5 36 01 48 c7 c7 2b f2 80 92 e8 00 c4 fe ff 41 5c 41 5d 5d c3 55 48 89 fe 48 c7 c7 78 f2 80 92 48 89 e5 e8 e7 c3 fe ff <0f> 0b 48 c7 c7 d0 f7 48 92 e8 df ff ff ff 48 c7 c7 d8 f7 48 92 e8 [ 108.932308] RSP: 0018:ffffa9cf811afc90 EFLAGS: 00010246 [ 108.933231] RAX: 0000000000000022 RBX: ffff926a4cd06000 RCX: 0000000000000000 [ 108.934468] RDX: 0000000000000000 RSI: ffff926b77bd8ac0 RDI: ffff926b77bd8ac0 [ 108.935659] RBP: ffffa9cf811afc90 R08: 0000000000000000 R09: ffffa9cf811afa88 [ 108.936933] R10: ffffa9cf811afa80 R11: ffffffff92f53508 R12: 0000000000000004 [ 108.938141] R13: ffff926a49917800 R14: ffff926a54bdc800 R15: ffff926a4cd06291 [ 108.939458] FS: 00007f8440b60600(0000) GS:ffff926b77bc0000(0000) knlGS:0000000000000000 [ 108.940898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.942104] CR2: 000055eec2b97dc8 CR3: 0000000106c64000 CR4: 00000000000006e0 For full logs see the autopkgtest results: https://autopkgtest.ubuntu.com/packages/ocfs2-tools To see the dmesg kernel BUG output requires running the autopkgtest locally with the --shell-fail command. 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