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[Bug 1587475] Missing required logs.

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Brad Figg <brad.figg@xxxxxxxxxxxxx>
Date: Tue, 31 May 2016 14:00:05 -0000
Reply-to: Bug 1587475 <1587475@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1587475

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

** Tags added: trusty

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https://bugs.launchpad.net/bugs/1587475

Title:
  Kernel panic on btrfs mount and ls

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Kernel panic happens after mount and ls specific btrfs image

  Way to reproduce:
  1. download and unpack btrfs image from tar(sparse file)(tar -Sxf img.tar)
  2. mount btrfs (sudo mount -t btrfs -o rw,noatime,compress=no,commit=5 71bb49cf-26f1-484a-832c-e966f43adca9.img broken)
  3. list files in mount point (ls -al broken)

  the system down to kernel panic with log above

  (looks like 3.19.x and 4.2.x not affected, only 4.4.x)

  dmesg log:
  May 31 13:02:21 fs-new kernel: [  694.744630] BTRFS error (device loop0): parent transid verify failed on 30425088 wanted 120 found 119
  May 31 13:02:21 fs-new kernel: [  694.747077] BTRFS error (device loop0): parent transid verify failed on 30425088 wanted 120 found 119
  May 31 13:02:21 fs-new kernel: [  694.747128] ------------[ cut here ]------------
  May 31 13:02:21 fs-new kernel: [  694.747135] WARNING: CPU: 0 PID: 13795 at /build/linux-lts-xenial-7RlTta/linux-lts-xenial-4.4.0/lib/idr.c:1051 ida_remove+0xfa/0x130()
  May 31 13:02:21 fs-new kernel: [  694.747136] ida_remove called for id=47 which is not allocated.
  May 31 13:02:21 fs-new kernel: [  694.747137] Modules linked in: ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c nfsv3 vboxsf xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack zram lz4_compress xt_tcpudp bridge stp llc iptable_filter ip_tables x_tables autofs4 ppdev vboxvideo ttm crct10dif_pclmul crc32_pclmul drm_kms_helper drm aesni_intel aes_x86_64 lrw input_leds gf128mul nfsd glue_helper ablk_helper cryptd auth_rpcgss serio_raw nfs_acl nfs fb_sys_fops syscopyarea lockd sysfillrect grace 8250_fintek parport_pc sysimgblt vboxguest i2c_piix4 sunrpc video mac_hid fscache lp parport zfs(POE) zunicode(POE) zcommon(POE) znvpair(POE) spl(OE) zavl(POE) btrfs xor raid6_pq psmouse e1000 fjes pata_acpi
  May 31 13:02:21 fs-new kernel: [  694.747182] CPU: 0 PID: 13795 Comm: ls Tainted: P           OE   4.4.0-22-generic #40~14.04.1-Ubuntu
  May 31 13:02:21 fs-new kernel: [  694.747183] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
  May 31 13:02:21 fs-new kernel: [  694.747185]  0000000000000000 ffff8800024e7a88 ffffffff813cde6c ffff8800024e7ad0
  May 31 13:02:21 fs-new kernel: [  694.747187]  ffffffff81af5298 ffff8800024e7ac0 ffffffff8107d856 0000000000000000
  May 31 13:02:21 fs-new kernel: [  694.747189]  ffffffff81fce200 ffff88003c827a00 ffff88003616e068 0000000000000001
  May 31 13:02:21 fs-new kernel: [  694.747191] Call Trace:
  May 31 13:02:21 fs-new kernel: [  694.747195]  [<ffffffff813cde6c>] dump_stack+0x63/0x87
  May 31 13:02:21 fs-new kernel: [  694.747199]  [<ffffffff8107d856>] warn_slowpath_common+0x86/0xc0
  May 31 13:02:21 fs-new kernel: [  694.747201]  [<ffffffff8107d8dc>] warn_slowpath_fmt+0x4c/0x50
  May 31 13:02:21 fs-new kernel: [  694.747214]  [<ffffffff811a337a>] ? free_percpu+0xba/0x180
  May 31 13:02:21 fs-new kernel: [  694.747217]  [<ffffffff813cef0a>] ida_remove+0xfa/0x130
  May 31 13:02:21 fs-new kernel: [  694.747220]  [<ffffffff811fff4c>] free_anon_bdev+0x2c/0x50
  May 31 13:02:21 fs-new kernel: [  694.747239]  [<ffffffffc00f234e>] free_fs_root+0xbe/0xe0 [btrfs]
  May 31 13:02:21 fs-new kernel: [  694.747251]  [<ffffffffc00f3b96>] btrfs_get_fs_root+0x216/0x250 [btrfs]
  May 31 13:02:21 fs-new kernel: [  694.747264]  [<ffffffffc011d92d>] ? memcmp_extent_buffer+0xbd/0x120 [btrfs]
  May 31 13:02:21 fs-new kernel: [  694.747277]  [<ffffffffc0106e4c>] btrfs_lookup_dentry+0x28c/0x4c0 [btrfs]
  May 31 13:02:21 fs-new kernel: [  694.747288]  [<ffffffffc0107092>] btrfs_lookup+0x12/0x40 [btrfs]
  May 31 13:02:21 fs-new kernel: [  694.747291]  [<ffffffff8120716d>] lookup_real+0x1d/0x50
  May 31 13:02:21 fs-new kernel: [  694.747293]  [<ffffffff81207523>] __lookup_hash+0x33/0x40
  May 31 13:02:21 fs-new kernel: [  694.747295]  [<ffffffff81209a47>] walk_component+0x177/0x280
  May 31 13:02:21 fs-new kernel: [  694.747297]  [<ffffffff8125c0d9>] ? posix_acl_xattr_get+0x49/0xb0
  May 31 13:02:21 fs-new kernel: [  694.747299]  [<ffffffff8120ae80>] path_lookupat+0x60/0x110
  May 31 13:02:21 fs-new kernel: [  694.747301]  [<ffffffff8120ca4c>] filename_lookup+0x9c/0x150
  May 31 13:02:21 fs-new kernel: [  694.747304]  [<ffffffff811dbc2f>] ? kmem_cache_alloc+0x19f/0x200
  May 31 13:02:21 fs-new kernel: [  694.747306]  [<ffffffff8120c68f>] ? getname_flags+0x4f/0x1f0
  May 31 13:02:21 fs-new kernel: [  694.747308]  [<ffffffff8120cbb6>] user_path_at_empty+0x36/0x40
  May 31 13:02:21 fs-new kernel: [  694.747310]  [<ffffffff81202523>] vfs_fstatat+0x53/0xa0
  May 31 13:02:21 fs-new kernel: [  694.747312]  [<ffffffff812029e2>] SYSC_newlstat+0x22/0x40
  May 31 13:02:21 fs-new kernel: [  694.747315]  [<ffffffff8121cf04>] ? mntput+0x24/0x40
  May 31 13:02:21 fs-new kernel: [  694.747317]  [<ffffffff812071be>] ? path_put+0x1e/0x30
  May 31 13:02:21 fs-new kernel: [  694.747318]  [<ffffffff812220e2>] ? path_getxattr+0x62/0x90
  May 31 13:02:21 fs-new kernel: [  694.747321]  [<ffffffff81202bfe>] SyS_newlstat+0xe/0x10
  May 31 13:02:21 fs-new kernel: [  694.747324]  [<ffffffff817efcf6>] entry_SYSCALL_64_fastpath+0x16/0x75
  May 31 13:02:21 fs-new kernel: [  694.747326] ---[ end trace 5c7309d2219a269a ]---
  May 31 13:02:21 fs-new kernel: [  694.761474] Modules linked in: ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c nfsv3 vboxsf xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack zram lz4_compress xt_tcpudp bridge stp llc iptable_filter ip_tables x_tables autofs4 ppdev vboxvideo ttm crct10dif_pclmul crc32_pclmul drm_kms_helper drm aesni_intel aes_x86_64 lrw input_leds gf128mul nfsd glue_helper ablk_helper cryptd auth_rpcgss serio_raw nfs_acl nfs fb_sys_fops syscopyarea lockd sysfillrect grace 8250_fintek parport_pc sysimgblt vboxguest i2c_piix4 sunrpc video mac_hid fscache lp parport zfs(POE) zunicode(POE) zcommon(POE) znvpair(POE) spl(OE) zavl(POE) btrfs xor raid6_pq psmouse e1000 fjes pata_acpi
  May 31 13:02:21 fs-new kernel: [  694.763145] CPU: 0 PID: 13581 Comm: zsh Tainted: P        W  OE   4.4.0-22-generic #40~14.04.1-Ubuntu
  May 31 13:02:21 fs-new kernel: [  694.763207] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
  May 31 13:02:21 fs-new kernel: [  694.763261] task: ffff880038485280 ti: ffff88001c104000 task.ti: ffff88001c104000
  May 31 13:02:21 fs-new kernel: [  694.763307] RIP: 0010:[<ffffffff811dbb09>]  [<ffffffff811dbb09>] kmem_cache_alloc+0x79/0x200
  May 31 13:02:21 fs-new kernel: [  694.763654] RSP: 0018:ffff88001c107d38  EFLAGS: 00010282
  May 31 13:02:21 fs-new kernel: [  694.763689] RAX: 0000000000000000 RBX: 0000000002000200 RCX: 00000000005306fe
  May 31 13:02:21 fs-new kernel: [  694.763733] RDX: 00000000005306fd RSI: 0000000002000200 RDI: ffff88003c801b00
  May 31 13:02:21 fs-new kernel: [  694.763777] RBP: ffff88001c107d68 R08: 0000000000019f80 R09: ffffffff811bda0d
  May 31 13:02:21 fs-new kernel: [  694.763820] R10: 0000000000000000 R11: ffffffff81ac9018 R12: 0000000002000200
  May 31 13:02:21 fs-new kernel: [  694.763862] R13: 53f000ff53f000ff R14: ffff88003c801b00 R15: ffff88003c801b00
  May 31 13:02:21 fs-new kernel: [  694.763908] FS:  00007f73347c4740(0000) GS:ffff88003e400000(0000) knlGS:0000000000000000
  May 31 13:02:21 fs-new kernel: [  694.763958] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
  May 31 13:02:21 fs-new kernel: [  694.763993] CR2: 0000000000ec7ba8 CR3: 0000000002445000 CR4: 00000000000406f0
  May 31 13:02:21 fs-new kernel: [  694.764043] Stack:
  May 31 13:02:21 fs-new kernel: [  694.764059]  ffffffff81fc7220 ffff88001c0807d0 ffff880002440380 0000000000000000
  May 31 13:02:21 fs-new kernel: [  694.764113]  0000000000000001 ffff880035ea3a98 ffff88001c107dc0 ffffffff811bda0d
  May 31 13:02:21 fs-new kernel: [  694.764166]  ffff88000241e4b0 ffff88001c080848 ffff88000241e528 0000000000000000
  May 31 13:02:21 fs-new kernel: [  694.764219] Call Trace:
  May 31 13:02:21 fs-new kernel: [  694.764243]  [<ffffffff811bda0d>] anon_vma_clone+0x6d/0x1f0
  May 31 13:02:21 fs-new kernel: [  694.764280]  [<ffffffff811bdbc0>] anon_vma_fork+0x30/0x130
  May 31 13:02:21 fs-new kernel: [  694.766727]  [<ffffffff8107bcf6>] copy_process+0xe36/0x1c60
  May 31 13:02:21 fs-new kernel: [  694.767979]  [<ffffffff8107cc92>] _do_fork+0x82/0x310
  May 31 13:02:21 fs-new kernel: [  694.771206]  [<ffffffff8108c931>] ? sigprocmask+0x51/0x80
  May 31 13:02:21 fs-new kernel: [  694.774372]  [<ffffffff8107cfc9>] SyS_clone+0x19/0x20
  May 31 13:02:21 fs-new kernel: [  694.775874]  [<ffffffff817efcf6>] entry_SYSCALL_64_fastpath+0x16/0x75
  May 31 13:02:21 fs-new kernel: [  694.776895] Code: 4c 03 05 83 e6 e2 7e 4d 8b 28 49 8b 40 10 4d 85 ed 0f 84 43 01 00 00 48 85 c0 0f 84 3a 01 00 00 49 63 46 20 48 8d 4a 01 4d 8b 06 <49> 8b 5c 05 00 4c 89 e8 65 49 0f c7 08 0f 94 c0 84 c0 74 b8 49
  May 31 13:02:21 fs-new kernel: [  694.779447] RIP  [<ffffffff811dbb09>] kmem_cache_alloc+0x79/0x200
  May 31 13:02:21 fs-new kernel: [  694.780143]  RSP <ffff88001c107d38>
  May 31 13:02:21 fs-new kernel: [  694.780965] fbcon_switch: detected unhandled fb_set_par error, error code -16
  May 31 13:02:21 fs-new kernel: [  694.782726] fbcon_switch: detected unhandled fb_set_par error, error code -16
  May 31 13:02:21 fs-new kernel: [  694.784621] ---[ end trace 5c7309d2219a269b ]---

  
  Kernel: Ubuntu 4.4.0-22.40~14.04.1-generic 4.4.8
  Release: Description:	Ubuntu 14.04.3 LTS, Release:	14.04
  Btrfs-tools version:
  Installed: 3.12-1
    Candidate: 3.12-1ubuntu0.1
    Version table:
       3.12-1ubuntu0.1 0
          500 http://us-east-1.ec2.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
   *** 3.12-1 0
          500 http://us-east-1.ec2.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
          100 /var/lib/dpkg/status

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References

[Bug 1587475] [NEW] Kernel panic on btrfs mount and ls
From: Destitutus, 2016-05-31