syzbot


possible deadlock in try_to_wake_up

Status: auto-closed as invalid on 2019/07/13 09:55
Subsystems: mm
[Documentation on labels]
Reported-by: syzbot+aa4d6d6e9844c73913b8@syzkaller.appspotmail.com
First crash: 2045d, last: 2013d
Discussions (1)
Title Replies (including bot) Last reply
possible deadlock in try_to_wake_up 0 (1) 2018/12/13 15:11
Similar bugs (7)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 possible deadlock in try_to_wake_up (2) origin:upstream C 15 1d03h 71d 0/3 upstream: reported C repro on 2024/05/09 05:15
linux-6.1 possible deadlock in try_to_wake_up C done 1 114d 114d 3/3 fixed on 2024/04/29 07:11
linux-5.15 possible deadlock in try_to_wake_up origin:upstream C 11 12h21m 105d 0/3 upstream: reported C repro on 2024/04/05 17:03
upstream possible deadlock in try_to_wake_up (2) mm 1 670d 666d 0/27 auto-obsoleted due to no activity on 2023/01/16 12:10
upstream possible deadlock in try_to_wake_up (4) bpf net C error 19 60d 123d 26/27 fixed on 2024/05/22 23:36
upstream possible deadlock in try_to_wake_up (5) mm C 24 5h29m 50d 1/27 upstream: reported C repro on 2024/05/30 18:36
upstream possible deadlock in try_to_wake_up (3) net 103 276d 285d 0/27 auto-obsoleted due to no activity on 2023/11/27 02:05

Sample crash report:
BTRFS error (device loop5): open_ctree failed
BTRFS error (device loop4): superblock checksum mismatch
BTRFS warning (device <unknown>): duplicate device fsid:devid for ecf6f2a2-2997-48ae-b81e-1b00920efd9a:0 old:/dev/loop4 new:/dev/loop5
BTRFS error (device loop4): open_ctree failed
======================================================
WARNING: possible circular locking dependency detected
5.0.0-rc1+ #15 Not tainted
------------------------------------------------------
syz-executor3/29849 is trying to acquire lock:
00000000d214ff0b (&p->pi_lock){-.-.}, at: try_to_wake_up+0xb9/0x1480 kernel/sched/core.c:1965

but task is already holding lock:
0000000097c59e3f (&pgdat->kswapd_wait){....}, at: __wake_up_common_lock+0x19b/0x390 kernel/sched/wait.c:120

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #4 (&pgdat->kswapd_wait){....}:
       __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
       _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152
       __wake_up_common_lock+0x19b/0x390 kernel/sched/wait.c:120
       __wake_up+0xe/0x10 kernel/sched/wait.c:145
       wakeup_kswapd+0x5ba/0x8f0 mm/vmscan.c:3982
       steal_suitable_fallback+0x50d/0x7c0 mm/page_alloc.c:2217
       __rmqueue_fallback mm/page_alloc.c:2502 [inline]
       __rmqueue mm/page_alloc.c:2528 [inline]
       rmqueue_bulk mm/page_alloc.c:2550 [inline]
       __rmqueue_pcplist mm/page_alloc.c:3021 [inline]
       rmqueue_pcplist mm/page_alloc.c:3050 [inline]
       rmqueue mm/page_alloc.c:3072 [inline]
       get_page_from_freelist+0x2f53/0x5190 mm/page_alloc.c:3491
       __alloc_pages_nodemask+0x4fd/0xdc0 mm/page_alloc.c:4529
       alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106
       alloc_pages include/linux/gfp.h:509 [inline]
       __vmalloc_area_node mm/vmalloc.c:1690 [inline]
       __vmalloc_node_range+0x5cf/0x910 mm/vmalloc.c:1750
       __vmalloc_node mm/vmalloc.c:1795 [inline]
       __vmalloc_node_flags mm/vmalloc.c:1809 [inline]
       vmalloc+0x6b/0x90 mm/vmalloc.c:1831
       do_replace_finish+0x105/0x2ac0 net/bridge/netfilter/ebtables.c:1019
       do_replace+0x38c/0x4d0 net/bridge/netfilter/ebtables.c:1159
       do_ebt_set_ctl+0xe6/0x110 net/bridge/netfilter/ebtables.c:1528
       nf_sockopt net/netfilter/nf_sockopt.c:106 [inline]
       nf_setsockopt+0x7d/0xd0 net/netfilter/nf_sockopt.c:115
       ip_setsockopt net/ipv4/ip_sockglue.c:1260 [inline]
       ip_setsockopt+0xdf/0x100 net/ipv4/ip_sockglue.c:1240
       raw_setsockopt+0xe0/0x100 net/ipv4/raw.c:860
       sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2991
       __sys_setsockopt+0x1b0/0x3a0 net/socket.c:1902
       __do_sys_setsockopt net/socket.c:1913 [inline]
       __se_sys_setsockopt net/socket.c:1910 [inline]
       __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1910
       do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
       entry_SYSCALL_64_after_hwframe+0x49/0xbe

-> #3 (&(&zone->lock)->rlock){..-.}:
       __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
       _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152
       rmqueue mm/page_alloc.c:3082 [inline]
       get_page_from_freelist+0x13d0/0x5190 mm/page_alloc.c:3491
       __alloc_pages_nodemask+0x4fd/0xdc0 mm/page_alloc.c:4529
       alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106
       alloc_pages include/linux/gfp.h:509 [inline]
       depot_save_stack+0x3da/0x460 lib/stackdepot.c:260
       save_stack+0xa9/0xd0 mm/kasan/common.c:79
       set_track mm/kasan/common.c:85 [inline]
       kasan_kmalloc mm/kasan/common.c:482 [inline]
       kasan_kmalloc+0xcf/0xe0 mm/kasan/common.c:455
       kasan_slab_alloc+0xf/0x20 mm/kasan/common.c:397
       kmem_cache_alloc+0x12d/0x710 mm/slab.c:3541
       kmem_cache_zalloc include/linux/slab.h:730 [inline]
       fill_pool lib/debugobjects.c:134 [inline]
       __debug_object_init+0xb1d/0x12d0 lib/debugobjects.c:379
       debug_object_init lib/debugobjects.c:431 [inline]
       debug_object_activate+0x348/0x550 lib/debugobjects.c:512
       debug_timer_activate kernel/time/timer.c:708 [inline]
       debug_activate kernel/time/timer.c:763 [inline]
       __mod_timer kernel/time/timer.c:1040 [inline]
       mod_timer kernel/time/timer.c:1101 [inline]
       add_timer+0x4e6/0x1470 kernel/time/timer.c:1137
       __queue_delayed_work+0x253/0x390 kernel/workqueue.c:1533
       queue_delayed_work_on+0x19a/0x200 kernel/workqueue.c:1558
       queue_delayed_work include/linux/workqueue.h:527 [inline]
       schedule_delayed_work include/linux/workqueue.h:628 [inline]
       unaccount_event kernel/events/core.c:4311 [inline]
       _free_event+0x1116/0x15d0 kernel/events/core.c:4419
       put_event+0x47/0x60 kernel/events/core.c:4532
       perf_event_release_kernel+0x890/0xf70 kernel/events/core.c:4638
       perf_release+0x37/0x50 kernel/events/core.c:4648
       __fput+0x3c5/0xb10 fs/file_table.c:278
       ____fput+0x16/0x20 fs/file_table.c:309
       task_work_run+0x1f4/0x2b0 kernel/task_work.c:113
       tracehook_notify_resume include/linux/tracehook.h:188 [inline]
       exit_to_usermode_loop+0x32a/0x3b0 arch/x86/entry/common.c:166
       prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
       syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
       do_syscall_64+0x696/0x800 arch/x86/entry/common.c:293
       entry_SYSCALL_64_after_hwframe+0x49/0xbe

-> #2 (&base->lock){-.-.}:
       __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
       _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152
       lock_timer_base+0xb7/0x2a0 kernel/time/timer.c:937
       __mod_timer kernel/time/timer.c:1009 [inline]
       mod_timer kernel/time/timer.c:1101 [inline]
       add_timer+0x884/0x1470 kernel/time/timer.c:1137
       __queue_delayed_work+0x253/0x390 kernel/workqueue.c:1533
       queue_delayed_work_on+0x19a/0x200 kernel/workqueue.c:1558
       queue_delayed_work include/linux/workqueue.h:527 [inline]
       schedule_delayed_work include/linux/workqueue.h:628 [inline]
       psi_group_change kernel/sched/psi.c:485 [inline]
       psi_task_change+0x3ea/0x590 kernel/sched/psi.c:534
       psi_enqueue kernel/sched/stats.h:82 [inline]
       enqueue_task kernel/sched/core.c:727 [inline]
       activate_task+0x1f8/0x470 kernel/sched/core.c:751
       wake_up_new_task+0x50c/0xd30 kernel/sched/core.c:2423
       _do_fork+0x2a5/0x1170 kernel/fork.c:2251
       kernel_thread+0x34/0x40 kernel/fork.c:2285
       rest_init+0x28/0x37b init/main.c:408
       arch_call_rest_init+0xe/0x1b
       start_kernel+0x882/0x8bd init/main.c:740
       x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:470
       x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:451
       secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243

-> #1 (&rq->lock){-.-.}:
       __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
       _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
       rq_lock kernel/sched/sched.h:1149 [inline]
       task_fork_fair+0xb5/0x7a0 kernel/sched/fair.c:10058
       sched_fork+0x437/0xb90 kernel/sched/core.c:2359
       copy_process+0x1f95/0x8710 kernel/fork.c:1886
       _do_fork+0x1a9/0x1170 kernel/fork.c:2226
       kernel_thread+0x34/0x40 kernel/fork.c:2285
       rest_init+0x28/0x37b init/main.c:408
       arch_call_rest_init+0xe/0x1b
       start_kernel+0x882/0x8bd init/main.c:740
       x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:470
       x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:451
       secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243

-> #0 (&p->pi_lock){-.-.}:
       lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841
       __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
       _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152
       try_to_wake_up+0xb9/0x1480 kernel/sched/core.c:1965
       default_wake_function+0x30/0x50 kernel/sched/core.c:3710
       autoremove_wake_function+0x79/0x360 kernel/sched/wait.c:375
       __wake_up_common+0x1d3/0x7d0 kernel/sched/wait.c:92
       __wake_up_common_lock+0x1c6/0x390 kernel/sched/wait.c:121
       __wake_up+0xe/0x10 kernel/sched/wait.c:145
       wakeup_kswapd+0x5ba/0x8f0 mm/vmscan.c:3982
       steal_suitable_fallback+0x50d/0x7c0 mm/page_alloc.c:2217
       __rmqueue_fallback mm/page_alloc.c:2502 [inline]
       __rmqueue mm/page_alloc.c:2528 [inline]
       rmqueue_bulk mm/page_alloc.c:2550 [inline]
       __rmqueue_pcplist mm/page_alloc.c:3021 [inline]
       rmqueue_pcplist mm/page_alloc.c:3050 [inline]
       rmqueue mm/page_alloc.c:3072 [inline]
       get_page_from_freelist+0x2f53/0x5190 mm/page_alloc.c:3491
       __alloc_pages_nodemask+0x4fd/0xdc0 mm/page_alloc.c:4529
       alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106
       alloc_pages include/linux/gfp.h:509 [inline]
       __vmalloc_area_node mm/vmalloc.c:1690 [inline]
       __vmalloc_node_range+0x5cf/0x910 mm/vmalloc.c:1750
       __vmalloc_node mm/vmalloc.c:1795 [inline]
       __vmalloc_node_flags mm/vmalloc.c:1809 [inline]
       vmalloc+0x6b/0x90 mm/vmalloc.c:1831
       do_replace_finish+0x105/0x2ac0 net/bridge/netfilter/ebtables.c:1019
       do_replace+0x38c/0x4d0 net/bridge/netfilter/ebtables.c:1159
       do_ebt_set_ctl+0xe6/0x110 net/bridge/netfilter/ebtables.c:1528
       nf_sockopt net/netfilter/nf_sockopt.c:106 [inline]
       nf_setsockopt+0x7d/0xd0 net/netfilter/nf_sockopt.c:115
       ip_setsockopt net/ipv4/ip_sockglue.c:1260 [inline]
       ip_setsockopt+0xdf/0x100 net/ipv4/ip_sockglue.c:1240
       raw_setsockopt+0xe0/0x100 net/ipv4/raw.c:860
       sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2991
       __sys_setsockopt+0x1b0/0x3a0 net/socket.c:1902
       __do_sys_setsockopt net/socket.c:1913 [inline]
       __se_sys_setsockopt net/socket.c:1910 [inline]
       __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1910
       do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
       entry_SYSCALL_64_after_hwframe+0x49/0xbe

other info that might help us debug this:

Chain exists of:
  &p->pi_lock --> &(&zone->lock)->rlock --> &pgdat->kswapd_wait

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&pgdat->kswapd_wait);
                               lock(&(&zone->lock)->rlock);
                               lock(&pgdat->kswapd_wait);
  lock(&p->pi_lock);

 *** DEADLOCK ***

2 locks held by syz-executor3/29849:
 #0: 00000000c93053f5 (&(&zone->lock)->rlock){..-.}, at: spin_lock include/linux/spinlock.h:329 [inline]
 #0: 00000000c93053f5 (&(&zone->lock)->rlock){..-.}, at: rmqueue_bulk mm/page_alloc.c:2548 [inline]
 #0: 00000000c93053f5 (&(&zone->lock)->rlock){..-.}, at: __rmqueue_pcplist mm/page_alloc.c:3021 [inline]
 #0: 00000000c93053f5 (&(&zone->lock)->rlock){..-.}, at: rmqueue_pcplist mm/page_alloc.c:3050 [inline]
 #0: 00000000c93053f5 (&(&zone->lock)->rlock){..-.}, at: rmqueue mm/page_alloc.c:3072 [inline]
 #0: 00000000c93053f5 (&(&zone->lock)->rlock){..-.}, at: get_page_from_freelist+0x1ab1/0x5190 mm/page_alloc.c:3491
 #1: 0000000097c59e3f (&pgdat->kswapd_wait){....}, at: __wake_up_common_lock+0x19b/0x390 kernel/sched/wait.c:120

stack backtrace:
CPU: 1 PID: 29849 Comm: syz-executor3 Not tainted 5.0.0-rc1+ #15
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1224
 check_prev_add kernel/locking/lockdep.c:1866 [inline]
 check_prevs_add kernel/locking/lockdep.c:1979 [inline]
 validate_chain kernel/locking/lockdep.c:2350 [inline]
 __lock_acquire+0x3014/0x4a30 kernel/locking/lockdep.c:3338
 lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152
 try_to_wake_up+0xb9/0x1480 kernel/sched/core.c:1965
 default_wake_function+0x30/0x50 kernel/sched/core.c:3710
 autoremove_wake_function+0x79/0x360 kernel/sched/wait.c:375
 __wake_up_common+0x1d3/0x7d0 kernel/sched/wait.c:92
 __wake_up_common_lock+0x1c6/0x390 kernel/sched/wait.c:121
 __wake_up+0xe/0x10 kernel/sched/wait.c:145
 wakeup_kswapd+0x5ba/0x8f0 mm/vmscan.c:3982
 steal_suitable_fallback+0x50d/0x7c0 mm/page_alloc.c:2217
 __rmqueue_fallback mm/page_alloc.c:2502 [inline]
 __rmqueue mm/page_alloc.c:2528 [inline]
 rmqueue_bulk mm/page_alloc.c:2550 [inline]
 __rmqueue_pcplist mm/page_alloc.c:3021 [inline]
 rmqueue_pcplist mm/page_alloc.c:3050 [inline]
 rmqueue mm/page_alloc.c:3072 [inline]
 get_page_from_freelist+0x2f53/0x5190 mm/page_alloc.c:3491
 __alloc_pages_nodemask+0x4fd/0xdc0 mm/page_alloc.c:4529
 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106
 alloc_pages include/linux/gfp.h:509 [inline]
 __vmalloc_area_node mm/vmalloc.c:1690 [inline]
 __vmalloc_node_range+0x5cf/0x910 mm/vmalloc.c:1750
 __vmalloc_node mm/vmalloc.c:1795 [inline]
 __vmalloc_node_flags mm/vmalloc.c:1809 [inline]
 vmalloc+0x6b/0x90 mm/vmalloc.c:1831
 do_replace_finish+0x105/0x2ac0 net/bridge/netfilter/ebtables.c:1019
 do_replace+0x38c/0x4d0 net/bridge/netfilter/ebtables.c:1159
 do_ebt_set_ctl+0xe6/0x110 net/bridge/netfilter/ebtables.c:1528
 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline]
 nf_setsockopt+0x7d/0xd0 net/netfilter/nf_sockopt.c:115
 ip_setsockopt net/ipv4/ip_sockglue.c:1260 [inline]
 ip_setsockopt+0xdf/0x100 net/ipv4/ip_sockglue.c:1240
 raw_setsockopt+0xe0/0x100 net/ipv4/raw.c:860
 sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2991
 __sys_setsockopt+0x1b0/0x3a0 net/socket.c:1902
 __do_sys_setsockopt net/socket.c:1913 [inline]
 __se_sys_setsockopt net/socket.c:1910 [inline]
 __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1910
 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457ec9
Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f0e10352c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457ec9
RDX: 0000000000000080 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 000000000073bfa0 R08: 0000000000000108 R09: 0000000000000000
R10: 0000000020000000 R11: 0000000000000246 R12: 00007f0e103536d4
R13: 00000000004c5563 R14: 00000000004d9238 R15: 00000000ffffffff
kernel msg: ebtables bug: please report to author: bad policy
kernel msg: ebtables bug: please report to author: bad policy
kobject: 'loop2' (000000002fa7bd40): kobject_uevent_env
kobject: 'loop2' (000000002fa7bd40): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (0000000004cf6d40): kobject_uevent_env
kobject: 'loop3' (0000000004cf6d40): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (000000004222d5b4): kobject_uevent_env
kobject: 'loop0' (000000004222d5b4): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'btrfs-971' (000000007bab17f5): kobject_add_internal: parent: 'bdi', set: 'devices'
BTRFS warning (device <unknown>): duplicate device fsid:devid for ecf6f2a2-2997-48ae-b81e-1b00920efd9a:0 old:/dev/loop2 new:/dev/loop5
hfsplus: unable to find HFS+ superblock
kobject: 'btrfs-971' (000000007bab17f5): kobject_uevent_env
kobject: 'btrfs-971' (000000007bab17f5): fill_kobj_path: path = '/devices/virtual/bdi/btrfs-971'
BTRFS error (device loop2): superblock checksum mismatch
kobject: 'loop0' (000000004222d5b4): kobject_uevent_env
kobject: 'loop0' (000000004222d5b4): fill_kobj_path: path = '/devices/virtual/block/loop0'
hfsplus: umask requires a value
hfsplus: unable to parse mount options
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
BTRFS warning (device <unknown>): duplicate device fsid:devid for ecf6f2a2-2997-48ae-b81e-1b00920efd9a:0 old:/dev/loop2 new:/dev/loop4
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
BTRFS error (device loop2): open_ctree failed
kobject: 'loop0' (000000004222d5b4): kobject_uevent_env
kobject: 'loop0' (000000004222d5b4): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
kobject: 'btrfs-971' (000000007bab17f5): kobject_uevent_env
hfsplus: umask requires a value
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'btrfs-971' (000000007bab17f5): fill_kobj_path: path = '/devices/virtual/bdi/btrfs-971'
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
hfsplus: unable to parse mount options
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'btrfs-971' (000000007bab17f5): kobject_cleanup, parent           (null)
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'btrfs-971' (000000007bab17f5): calling ktype release
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
kobject: 'btrfs-971': free name
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (000000004222d5b4): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop0' (000000004222d5b4): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (000000002fa7bd40): kobject_uevent_env
kobject: 'loop2' (000000002fa7bd40): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'btrfs-972' (000000005bcf9ca7): kobject_add_internal: parent: 'bdi', set: 'devices'
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'loop2' (000000002fa7bd40): kobject_uevent_env
kobject: 'loop2' (000000002fa7bd40): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'btrfs-972' (000000005bcf9ca7): kobject_uevent_env
hfsplus: umask requires a value
hfsplus: unable to parse mount options
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'btrfs-972' (000000005bcf9ca7): fill_kobj_path: path = '/devices/virtual/bdi/btrfs-972'
BTRFS error (device loop5): superblock checksum mismatch
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
BTRFS warning (device <unknown>): duplicate device fsid:devid for ecf6f2a2-2997-48ae-b81e-1b00920efd9a:0 old:/dev/loop5 new:/dev/loop4
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (000000002fa7bd40): kobject_uevent_env
kobject: 'loop2' (000000002fa7bd40): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (000000004222d5b4): kobject_uevent_env
kobject: 'loop0' (000000004222d5b4): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
BTRFS error (device loop5): open_ctree failed
hfsplus: unable to find HFS+ superblock
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'loop2' (000000002fa7bd40): kobject_uevent_env
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (000000002fa7bd40): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'btrfs-972' (000000005bcf9ca7): kobject_uevent_env
kobject: 'btrfs-972' (000000005bcf9ca7): fill_kobj_path: path = '/devices/virtual/bdi/btrfs-972'
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kernel msg: ebtables bug: please report to author: bad policy
kobject: 'btrfs-972' (000000005bcf9ca7): kobject_cleanup, parent           (null)
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'btrfs-972' (000000005bcf9ca7): calling ktype release
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'btrfs-972': free name
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (000000004222d5b4): kobject_uevent_env
kobject: 'loop0' (000000004222d5b4): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
kobject: 'btrfs-973' (000000007ff0e550): kobject_add_internal: parent: 'bdi', set: 'devices'
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'btrfs-973' (000000007ff0e550): kobject_uevent_env
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
kernel msg: ebtables bug: please report to author: bad policy
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'btrfs-973' (000000007ff0e550): fill_kobj_path: path = '/devices/virtual/bdi/btrfs-973'
BTRFS error (device loop2): superblock checksum mismatch
BTRFS warning (device <unknown>): duplicate device fsid:devid for ecf6f2a2-2997-48ae-b81e-1b00920efd9a:0 old:/dev/loop2 new:/dev/loop4
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
BTRFS error (device loop2): open_ctree failed
kobject: 'btrfs-973' (000000007ff0e550): kobject_uevent_env
kobject: 'btrfs-973' (000000007ff0e550): fill_kobj_path: path = '/devices/virtual/bdi/btrfs-973'
kobject: 'btrfs-973' (000000007ff0e550): kobject_cleanup, parent           (null)
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'btrfs-973' (000000007ff0e550): calling ktype release
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'btrfs-973': free name
kobject: 'loop2' (000000002fa7bd40): kobject_uevent_env
kobject: 'loop2' (000000002fa7bd40): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop2' (000000002fa7bd40): kobject_uevent_env
kobject: 'loop2' (000000002fa7bd40): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop2' (000000002fa7bd40): kobject_uevent_env
kobject: 'loop2' (000000002fa7bd40): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (000000004222d5b4): kobject_uevent_env
kobject: 'loop0' (000000004222d5b4): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (000000002fa7bd40): kobject_uevent_env
kobject: 'loop2' (000000002fa7bd40): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (0000000004cf6d40): kobject_uevent_env
kobject: 'loop3' (0000000004cf6d40): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
hfsplus: unable to find HFS+ superblock
hfsplus: umask requires a value
kobject: 'btrfs-974' (0000000031e9f341): kobject_add_internal: parent: 'bdi', set: 'devices'
BTRFS warning (device <unknown>): duplicate device fsid:devid for ecf6f2a2-2997-48ae-b81e-1b00920efd9a:0 old:/dev/loop2 new:/dev/loop4
hfsplus: unable to parse mount options
kobject: 'btrfs-974' (0000000031e9f341): kobject_uevent_env
kobject: 'btrfs-974' (0000000031e9f341): fill_kobj_path: path = '/devices/virtual/bdi/btrfs-974'
kobject: 'loop0' (000000004222d5b4): kobject_uevent_env
BTRFS error (device loop2): superblock checksum mismatch
kobject: 'loop0' (000000004222d5b4): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
BTRFS warning (device <unknown>): duplicate device fsid:devid for ecf6f2a2-2997-48ae-b81e-1b00920efd9a:0 old:/dev/loop2 new:/dev/loop5
kobject: 'loop0' (000000004222d5b4): kobject_uevent_env
kobject: 'loop0' (000000004222d5b4): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
BTRFS error (device loop2): open_ctree failed
hfsplus: unable to find HFS+ superblock
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'btrfs-974' (0000000031e9f341): kobject_uevent_env
kobject: 'btrfs-974' (0000000031e9f341): fill_kobj_path: path = '/devices/virtual/bdi/btrfs-974'
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (000000004222d5b4): kobject_uevent_env
kobject: 'loop0' (000000004222d5b4): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'btrfs-974' (0000000031e9f341): kobject_cleanup, parent           (null)
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'btrfs-974' (0000000031e9f341): calling ktype release
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'btrfs-974': free name
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (000000002fa7bd40): kobject_uevent_env
kobject: 'loop2' (000000002fa7bd40): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
hfsplus: umask requires a value
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
hfsplus: unable to parse mount options
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
kobject: 'btrfs-975' (00000000001ae406): kobject_add_internal: parent: 'bdi', set: 'devices'
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'btrfs-975' (00000000001ae406): kobject_uevent_env
kobject: 'btrfs-975' (00000000001ae406): fill_kobj_path: path = '/devices/virtual/bdi/btrfs-975'
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
BTRFS error (device loop4): superblock checksum mismatch
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop0' (000000004222d5b4): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (000000004222d5b4): fill_kobj_path: path = '/devices/virtual/block/loop0'
BTRFS warning (device <unknown>): duplicate device fsid:devid for ecf6f2a2-2997-48ae-b81e-1b00920efd9a:0 old:/dev/loop4 new:/dev/loop5
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop2' (000000002fa7bd40): kobject_uevent_env
kobject: 'loop2' (000000002fa7bd40): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
hfsplus: unable to find HFS+ superblock
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
BTRFS error (device loop4): open_ctree failed
kobject: 'btrfs-975' (00000000001ae406): kobject_uevent_env
kobject: 'btrfs-975' (00000000001ae406): fill_kobj_path: path = '/devices/virtual/bdi/btrfs-975'
kobject: 'loop0' (000000004222d5b4): kobject_uevent_env
kobject: 'btrfs-975' (00000000001ae406): kobject_cleanup, parent           (null)
kobject: 'loop0' (000000004222d5b4): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'btrfs-975' (00000000001ae406): calling ktype release
kobject: 'btrfs-975': free name
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'btrfs-976' (0000000022e43416): kobject_add_internal: parent: 'bdi', set: 'devices'
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'btrfs-976' (0000000022e43416): kobject_uevent_env
kobject: 'btrfs-976' (0000000022e43416): fill_kobj_path: path = '/devices/virtual/bdi/btrfs-976'
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
BTRFS error (device loop2): superblock checksum mismatch
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
BTRFS error (device loop2): open_ctree failed
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'btrfs-976' (0000000022e43416): kobject_uevent_env
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'btrfs-976' (0000000022e43416): fill_kobj_path: path = '/devices/virtual/bdi/btrfs-976'
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'btrfs-976' (0000000022e43416): kobject_cleanup, parent           (null)
kobject: 'btrfs-976' (0000000022e43416): calling ktype release
kobject: 'btrfs-976': free name
kobject: 'loop2' (000000002fa7bd40): kobject_uevent_env
kobject: 'loop2' (000000002fa7bd40): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop2' (000000002fa7bd40): kobject_uevent_env
kobject: 'loop2' (000000002fa7bd40): fill_kobj_path: path = '/devices/virtual/block/loop2'
kernel msg: ebtables bug: please report to author: bad policy
kernel msg: ebtables bug: please report to author: bad policy
kobject: 'loop2' (000000002fa7bd40): kobject_uevent_env
kobject: 'loop2' (000000002fa7bd40): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (0000000004cf6d40): kobject_uevent_env
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop3' (0000000004cf6d40): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (000000004222d5b4): kobject_uevent_env
kobject: 'loop0' (000000004222d5b4): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (000000002fa7bd40): kobject_uevent_env
kobject: 'loop2' (000000002fa7bd40): fill_kobj_path: path = '/devices/virtual/block/loop2'
hfsplus: umask requires a value
kobject: 'btrfs-977' (000000007a8de7b9): kobject_add_internal: parent: 'bdi', set: 'devices'
BTRFS warning (device <unknown>): duplicate device fsid:devid for ecf6f2a2-2997-48ae-b81e-1b00920efd9a:0 old:/dev/loop4 new:/dev/loop5
hfsplus: unable to find HFS+ superblock
kobject: 'btrfs-977' (000000007a8de7b9): kobject_uevent_env
hfsplus: unable to parse mount options
kobject: 'btrfs-977' (000000007a8de7b9): fill_kobj_path: path = '/devices/virtual/bdi/btrfs-977'
BTRFS error (device loop4): superblock checksum mismatch
kobject: 'loop0' (000000004222d5b4): kobject_uevent_env
kobject: 'loop0' (000000004222d5b4): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
BTRFS warning (device <unknown>): duplicate device fsid:devid for ecf6f2a2-2997-48ae-b81e-1b00920efd9a:0 old:/dev/loop4 new:/dev/loop2
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (000000002fa7bd40): kobject_uevent_env
kobject: 'loop2' (000000002fa7bd40): fill_kobj_path: path = '/devices/virtual/block/loop2'
BTRFS error (device loop4): open_ctree failed
kobject: 'loop2' (000000002fa7bd40): kobject_uevent_env
kobject: 'btrfs-977' (000000007a8de7b9): kobject_uevent_env
kobject: 'loop2' (000000002fa7bd40): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'btrfs-977' (000000007a8de7b9): fill_kobj_path: path = '/devices/virtual/bdi/btrfs-977'
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'btrfs-977' (000000007a8de7b9): kobject_cleanup, parent           (null)
kobject: 'btrfs-977' (000000007a8de7b9): calling ktype release
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
kobject: 'btrfs-977': free name
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (000000004222d5b4): kobject_uevent_env
kobject: 'loop0' (000000004222d5b4): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (000000002fa7bd40): kobject_uevent_env
kobject: 'loop2' (000000002fa7bd40): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'btrfs-978' (00000000f97fbb07): kobject_add_internal: parent: 'bdi', set: 'devices'
hfsplus: unable to find HFS+ superblock
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'btrfs-978' (00000000f97fbb07): kobject_uevent_env
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'btrfs-978' (00000000f97fbb07): fill_kobj_path: path = '/devices/virtual/bdi/btrfs-978'
kobject: 'loop0' (000000004222d5b4): kobject_uevent_env
kobject: 'loop0' (000000004222d5b4): fill_kobj_path: path = '/devices/virtual/block/loop0'
BTRFS error (device loop5): superblock checksum mismatch
kobject: 'loop2' (000000002fa7bd40): kobject_uevent_env
kobject: 'loop2' (000000002fa7bd40): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop4' (000000000814720b): kobject_uevent_env
BTRFS error (device loop5): open_ctree failed
hfsplus: umask requires a value
kobject: 'btrfs-979' (00000000d8573c48): kobject_add_internal: parent: 'bdi', set: 'devices'
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'btrfs-978' (00000000f97fbb07): kobject_uevent_env
hfsplus: unable to parse mount options
kobject: 'btrfs-978' (00000000f97fbb07): fill_kobj_path: path = '/devices/virtual/bdi/btrfs-978'
kobject: 'btrfs-979' (00000000d8573c48): kobject_uevent_env
kobject: 'loop4' (000000000814720b): kobject_uevent_env
kobject: 'btrfs-979' (00000000d8573c48): fill_kobj_path: path = '/devices/virtual/bdi/btrfs-979'
kobject: 'btrfs-978' (00000000f97fbb07): kobject_cleanup, parent           (null)
BTRFS error (device loop2): superblock checksum mismatch
kobject: 'loop4' (000000000814720b): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'btrfs-978' (00000000f97fbb07): calling ktype release
kobject: 'btrfs-978': free name
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
BTRFS error (device loop2): open_ctree failed
kobject: 'btrfs-979' (00000000d8573c48): kobject_uevent_env
kobject: 'btrfs-980' (00000000b51fb3e4): kobject_add_internal: parent: 'bdi', set: 'devices'
kobject: 'btrfs-979' (00000000d8573c48): fill_kobj_path: path = '/devices/virtual/bdi/btrfs-979'
kobject: 'loop1' (000000009bfab52f): kobject_uevent_env
kobject: 'btrfs-979' (00000000d8573c48): kobject_cleanup, parent           (null)
kobject: 'btrfs-979' (00000000d8573c48): calling ktype release
kobject: 'loop1' (000000009bfab52f): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
kobject: 'btrfs-980' (00000000b51fb3e4): kobject_uevent_env
kobject: 'btrfs-979': free name
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'btrfs-980' (00000000b51fb3e4): fill_kobj_path: path = '/devices/virtual/bdi/btrfs-980'
kobject: 'loop5' (000000007d5e5999): kobject_uevent_env
kobject: 'loop0' (000000004222d5b4): kobject_uevent_env
kobject: 'loop0' (000000004222d5b4): fill_kobj_path: path = '/devices/virtual/block/loop0'
BTRFS error (device loop4): superblock checksum mismatch
kobject: 'loop5' (000000007d5e5999): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop2' (000000002fa7bd40): kobject_uevent_env
kobject: 'loop2' (000000002fa7bd40): fill_kobj_path: path = '/devices/virtual/block/loop2'
BTRFS error (device loop4): open_ctree failed
hfsplus: umask requires a value
hfsplus: unable to parse mount options

Crashes (39):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/01/09 02:09 upstream 7b5585136713 010ed08b .config console log report ci-upstream-kasan-gce-smack-root
2019/01/08 22:08 upstream 7b5585136713 010ed08b .config console log report ci-upstream-kasan-gce
2019/01/08 11:53 upstream 3bd6e94bec12 37dd2683 .config console log report ci-upstream-kasan-gce-smack-root
2019/01/08 02:11 upstream 3bd6e94bec12 69d69aa9 .config console log report ci-upstream-kasan-gce
2019/01/07 23:56 upstream 3bd6e94bec12 69d69aa9 .config console log report ci-upstream-kasan-gce-selinux-root
2019/01/07 20:54 upstream 3bd6e94bec12 69d69aa9 .config console log report ci-upstream-kasan-gce-smack-root
2019/01/07 13:14 upstream 3bd6e94bec12 69d69aa9 .config console log report ci-upstream-kasan-gce-selinux-root
2019/01/07 08:51 upstream 574823bfab82 ee332608 .config console log report ci-upstream-kasan-gce-selinux-root
2019/01/06 17:04 upstream b5aef86e089a 94f8adb5 .config console log report ci-upstream-kasan-gce-smack-root
2019/01/06 16:50 upstream b5aef86e089a 94f8adb5 .config console log report ci-upstream-kasan-gce-smack-root
2019/01/06 05:40 upstream f1c2f8857c5a 53be0a37 .config console log report ci-upstream-kasan-gce-smack-root
2019/01/05 21:45 upstream f1c2f8857c5a 53be0a37 .config console log report ci-upstream-kasan-gce-root
2019/01/05 20:18 upstream 3fed6ae4b027 53be0a37 .config console log report ci-upstream-kasan-gce
2019/01/05 17:18 upstream 3fed6ae4b027 53be0a37 .config console log report ci-upstream-kasan-gce-root
2019/01/05 16:24 upstream 3fed6ae4b027 53be0a37 .config console log report ci-upstream-kasan-gce
2019/01/05 16:09 upstream 3fed6ae4b027 53be0a37 .config console log report ci-upstream-kasan-gce
2019/01/05 15:28 upstream 3fed6ae4b027 53be0a37 .config console log report ci-upstream-kasan-gce-root
2019/01/05 09:27 upstream 3fed6ae4b027 53be0a37 .config console log report ci-upstream-kasan-gce
2019/01/05 05:13 upstream 3fed6ae4b027 53be0a37 .config console log report ci-upstream-kasan-gce-root
2019/01/05 04:54 upstream 3fed6ae4b027 53be0a37 .config console log report ci-upstream-kasan-gce
2019/01/04 22:58 upstream 96d4f267e40f 0127e3ba .config console log report ci-upstream-kasan-gce-root
2019/01/04 10:45 upstream 645ff1e8e704 7da23925 .config console log report ci-upstream-kasan-gce-smack-root
2019/01/03 18:33 upstream 645ff1e8e704 66fcd29b .config console log report ci-upstream-kasan-gce-selinux-root
2019/01/03 09:16 upstream 85f78456f286 06a2b89f .config console log report ci-upstream-kasan-gce
2019/01/01 10:42 upstream f12e840c819b 3d85f48c .config console log report ci-upstream-kasan-gce
2018/12/31 18:39 upstream 195303136f19 2b42fdc8 .config console log report ci-upstream-kasan-gce-smack-root
2018/12/30 18:09 upstream 195303136f19 9942de5f .config console log report ci-upstream-kasan-gce-root
2019/01/05 19:29 upstream 3fed6ae4b027 53be0a37 .config console log report ci-upstream-kasan-gce-386
2019/01/05 04:51 upstream 3fed6ae4b027 53be0a37 .config console log report ci-upstream-kasan-gce-386
2019/01/04 01:04 upstream 645ff1e8e704 7da23925 .config console log report ci-upstream-kasan-gce-386
2019/01/03 12:54 upstream 645ff1e8e704 66fcd29b .config console log report ci-upstream-kasan-gce-386
2018/12/30 01:43 upstream 195303136f19 35e3f847 .config console log report ci-upstream-kasan-gce-386
2019/01/14 09:54 net-old 2f960bd05640 95485883 .config console log report ci-upstream-net-this-kasan-gce
2019/01/14 04:22 net-old 2f960bd05640 c3f3344c .config console log report ci-upstream-net-this-kasan-gce
2019/01/11 05:43 net-old b19bce0335e2 80dde172 .config console log report ci-upstream-net-this-kasan-gce
2019/01/10 04:11 bpf d972f3dce8d1 45c0c1b1 .config console log report ci-upstream-bpf-kasan-gce
2019/01/10 01:02 net-old d972f3dce8d1 45c0c1b1 .config console log report ci-upstream-net-this-kasan-gce
2018/12/30 15:57 linux-next 6a1d293238c1 9942de5f .config console log report ci-upstream-linux-next-kasan-gce-root
2018/12/13 13:42 linux-next ca40dc225d19 f3d9d594 .config console log report ci-upstream-linux-next-kasan-gce-root
* Struck through repros no longer work on HEAD.