================================ WARNING: inconsistent lock state 4.20.0-rc6+ #151 Not tainted -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env syz-executor2/17440 [HC0[0]:SC1[1]:HE1:SE0] takes: 00000000ebeec2ce (fs_reclaim){+.?.}, at: fs_reclaim_acquire.part.97+0x0/0x30 mm/internal.h:79 {SOFTIRQ-ON-W} state was registered at: lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' __fs_reclaim_acquire mm/page_alloc.c:3730 [inline] fs_reclaim_acquire.part.97+0x24/0x30 mm/page_alloc.c:3741 fs_reclaim_acquire+0x14/0x20 mm/page_alloc.c:3742 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc_node mm/slab.c:3299 [inline] kmem_cache_alloc_node_trace+0x3c/0x740 mm/slab.c:3661 kmalloc_node include/linux/slab.h:584 [inline] kzalloc_node include/linux/slab.h:752 [inline] alloc_worker+0xc5/0x300 kernel/workqueue.c:1704 init_rescuer.part.24+0x1f/0x190 kernel/workqueue.c:4028 init_rescuer kernel/workqueue.c:4025 [inline] workqueue_init+0x491/0x744 kernel/workqueue.c:5794 kernel_init_freeable+0x3bb/0x6bf init/main.c:1139 kernel_init+0x11/0x1ae init/main.c:1071 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 irq event stamp: 4454 hardirqs last enabled at (4454): [] console_unlock+0xcfb/0x1190 kernel/printk/printk.c:2443 hardirqs last disabled at (4453): [] console_unlock+0x2d9/0x1190 kernel/printk/printk.c:2353 softirqs last enabled at (4306): [] __do_softirq+0x7df/0xb7e kernel/softirq.c:319 softirqs last disabled at (4363): [] invoke_softirq kernel/softirq.c:373 [inline] softirqs last disabled at (4363): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(fs_reclaim); kobject: 'loop1' (0000000039c65642): kobject_uevent_env lock(fs_reclaim); *** DEADLOCK *** 1 lock held by syz-executor2/17440: #0: 0000000040939603 (rcu_callback){....}, at: __rcu_reclaim kernel/rcu/rcu.h:228 [inline] #0: 0000000040939603 (rcu_callback){....}, at: rcu_do_batch kernel/rcu/tree.c:2437 [inline] #0: 0000000040939603 (rcu_callback){....}, at: invoke_rcu_callbacks kernel/rcu/tree.c:2716 [inline] #0: 0000000040939603 (rcu_callback){....}, at: rcu_process_callbacks+0x1103/0x1ac0 kernel/rcu/tree.c:2697 kobject: 'loop1' (0000000039c65642): fill_kobj_path: path = '/devices/virtual/block/loop1' stack backtrace: CPU: 1 PID: 17440 Comm: syz-executor2 Not tainted 4.20.0-rc6+ #151 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+0x244/0x39d lib/dump_stack.c:113 kobject: 'loop0' (000000002fc6fdf9): kobject_uevent_env print_usage_bug.cold.59+0x320/0x41a kernel/locking/lockdep.c:2472 kobject: 'loop0' (000000002fc6fdf9): fill_kobj_path: path = '/devices/virtual/block/loop0' valid_state kernel/locking/lockdep.c:2485 [inline] mark_lock_irq kernel/locking/lockdep.c:2679 [inline] mark_lock+0x1276/0x1cd0 kernel/locking/lockdep.c:3059 mark_irqflags kernel/locking/lockdep.c:2937 [inline] __lock_acquire+0x155f/0x4c20 kernel/locking/lockdep.c:3298 kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000004965a796): kobject_uevent_env kobject: 'loop3' (000000004965a796): fill_kobj_path: path = '/devices/virtual/block/loop3' lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 __fs_reclaim_acquire mm/page_alloc.c:3730 [inline] fs_reclaim_acquire.part.97+0x24/0x30 mm/page_alloc.c:3741 fs_reclaim_acquire+0x14/0x20 mm/page_alloc.c:3742 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc_trace+0x2d/0x750 mm/slab.c:3618 kmalloc include/linux/slab.h:546 [inline] kzalloc include/linux/slab.h:741 [inline] kobject_uevent_env+0x2f3/0x101e lib/kobject_uevent.c:514 kobject_uevent+0x1f/0x24 lib/kobject_uevent.c:636 kobject_cleanup lib/kobject.c:649 [inline] kobject_release lib/kobject.c:691 [inline] kref_put include/linux/kref.h:70 [inline] kobject_put.cold.9+0x170/0x2e4 lib/kobject.c:708 put_device+0x20/0x30 drivers/base/core.c:2024 delete_partition_rcu_cb+0x147/0x1b0 block/partition-generic.c:259 __rcu_reclaim kernel/rcu/rcu.h:240 [inline] rcu_do_batch kernel/rcu/tree.c:2437 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2716 [inline] rcu_process_callbacks+0x100a/0x1ac0 kernel/rcu/tree.c:2697 __do_softirq+0x308/0xb7e kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:__read_once_size include/linux/compiler.h:182 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:69 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x26/0x50 kernel/kcov.c:101 Code: 5d c3 66 90 55 48 89 e5 48 8b 75 08 65 48 8b 04 25 40 ee 01 00 65 8b 15 48 69 82 7e 81 e2 00 01 1f 00 75 2b 8b 90 d8 12 00 00 <83> fa 02 75 20 48 8b 88 e0 12 00 00 8b 80 dc 12 00 00 48 8b 11 48 RSP: 0018:ffff88817f9aea68 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffff88817c250400 RBX: dffffc0000000000 RCX: ffffffff81babb9b RDX: 0000000000000000 RSI: ffffffff81babbb0 RDI: 0000000000000007 RBP: ffff88817f9aea68 R08: ffff88817c250400 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffea0007050cc0 R13: ffffea0007050cc0 R14: dead000000000100 R15: ffff88817f9aec20 compound_head include/linux/page-flags.h:143 [inline] PageSwapBacked include/linux/page-flags.h:307 [inline] PageSwapCache include/linux/page-flags.h:352 [inline] free_swap_cache mm/swap_state.c:266 [inline] free_pages_and_swap_cache+0x1b0/0x6f0 mm/swap_state.c:294 tlb_flush_mmu_free+0xcf/0x170 mm/mmu_gather.c:74 zap_pte_range mm/memory.c:1158 [inline] zap_pmd_range mm/memory.c:1193 [inline] zap_pud_range mm/memory.c:1222 [inline] zap_p4d_range mm/memory.c:1243 [inline] unmap_page_range+0x2068/0x2930 mm/memory.c:1264 unmap_single_vma+0x19b/0x310 mm/memory.c:1309 unmap_vmas+0x125/0x200 mm/memory.c:1339 exit_mmap+0x2be/0x590 mm/mmap.c:3145 __mmput kernel/fork.c:1045 [inline] mmput+0x247/0x610 kernel/fork.c:1066 exit_mm kernel/exit.c:545 [inline] do_exit+0xe74/0x26d0 kernel/exit.c:854 do_group_exit+0x177/0x440 kernel/exit.c:970 get_signal+0x8b0/0x1980 kernel/signal.c:2517 do_signal+0x9c/0x21c0 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4574e7 Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fad38e06a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007fad38e06b30 RCX: 00000000004574e7 RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000004 RBP: 00000000200000c0 R08: 00007fad38e06b30 R09: 00007fad38e06ad0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 00000000004d9c40 R15: 00000000ffffffff BUG: sleeping function called from invalid context at mm/slab.h:421 in_atomic(): 1, irqs_disabled(): 0, pid: 17440, name: syz-executor2 INFO: lockdep is turned off. Preemption disabled at: [] __do_softirq+0x189/0xb7e kernel/softirq.c:269 CPU: 1 PID: 17440 Comm: syz-executor2 Not tainted 4.20.0-rc6+ #151 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+0x244/0x39d lib/dump_stack.c:113 ___might_sleep.cold.86+0x221/0x254 kernel/sched/core.c:6148 __might_sleep+0x95/0x190 kernel/sched/core.c:6101 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc_trace+0x2cd/0x750 mm/slab.c:3618 kmalloc include/linux/slab.h:546 [inline] kzalloc include/linux/slab.h:741 [inline] kobject_uevent_env+0x2f3/0x101e lib/kobject_uevent.c:514 kobject_uevent+0x1f/0x24 lib/kobject_uevent.c:636 kobject_cleanup lib/kobject.c:649 [inline] kobject_release lib/kobject.c:691 [inline] kref_put include/linux/kref.h:70 [inline] kobject_put.cold.9+0x170/0x2e4 lib/kobject.c:708 put_device+0x20/0x30 drivers/base/core.c:2024 delete_partition_rcu_cb+0x147/0x1b0 block/partition-generic.c:259 __rcu_reclaim kernel/rcu/rcu.h:240 [inline] rcu_do_batch kernel/rcu/tree.c:2437 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2716 [inline] rcu_process_callbacks+0x100a/0x1ac0 kernel/rcu/tree.c:2697 __do_softirq+0x308/0xb7e kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:__read_once_size include/linux/compiler.h:182 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:69 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x26/0x50 kernel/kcov.c:101 Code: 5d c3 66 90 55 48 89 e5 48 8b 75 08 65 48 8b 04 25 40 ee 01 00 65 8b 15 48 69 82 7e 81 e2 00 01 1f 00 75 2b 8b 90 d8 12 00 00 <83> fa 02 75 20 48 8b 88 e0 12 00 00 8b 80 dc 12 00 00 48 8b 11 48 RSP: 0018:ffff88817f9aea68 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffff88817c250400 RBX: dffffc0000000000 RCX: ffffffff81babb9b RDX: 0000000000000000 RSI: ffffffff81babbb0 RDI: 0000000000000007 RBP: ffff88817f9aea68 R08: ffff88817c250400 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffea0007050cc0 R13: ffffea0007050cc0 R14: dead000000000100 R15: ffff88817f9aec20 compound_head include/linux/page-flags.h:143 [inline] PageSwapBacked include/linux/page-flags.h:307 [inline] PageSwapCache include/linux/page-flags.h:352 [inline] free_swap_cache mm/swap_state.c:266 [inline] free_pages_and_swap_cache+0x1b0/0x6f0 mm/swap_state.c:294 tlb_flush_mmu_free+0xcf/0x170 mm/mmu_gather.c:74 zap_pte_range mm/memory.c:1158 [inline] zap_pmd_range mm/memory.c:1193 [inline] zap_pud_range mm/memory.c:1222 [inline] zap_p4d_range mm/memory.c:1243 [inline] unmap_page_range+0x2068/0x2930 mm/memory.c:1264 unmap_single_vma+0x19b/0x310 mm/memory.c:1309 unmap_vmas+0x125/0x200 mm/memory.c:1339 exit_mmap+0x2be/0x590 mm/mmap.c:3145 __mmput kernel/fork.c:1045 [inline] mmput+0x247/0x610 kernel/fork.c:1066 exit_mm kernel/exit.c:545 [inline] do_exit+0xe74/0x26d0 kernel/exit.c:854 do_group_exit+0x177/0x440 kernel/exit.c:970 get_signal+0x8b0/0x1980 kernel/signal.c:2517 do_signal+0x9c/0x21c0 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4574e7 Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fad38e06a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007fad38e06b30 RCX: 00000000004574e7 RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000004 RBP: 00000000200000c0 R08: 00007fad38e06b30 R09: 00007fad38e06ad0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 00000000004d9c40 R15: 00000000ffffffff kobject: 'loop0p247' (00000000f8d6a973): fill_kobj_path: path = '/loop0p247' kobject: 'loop0p247' (00000000f8d6a973): calling ktype release kobject: 'loop0p247': free name kobject: 'holders' (00000000c97a7667): kobject_cleanup, parent 00000000db4ac023 kobject: 'holders' (00000000c97a7667): auto cleanup kobject_del kobject: 'holders' (00000000c97a7667): calling ktype release kobject: (00000000c97a7667): dynamic_kobj_release kobject: 'holders': free name kobject: 'loop0p242' (00000000db4ac023): kobject_uevent_env FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 17499 Comm: syz-executor3 Tainted: G W 4.20.0-rc6+ #151 kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env 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+0x244/0x39d lib/dump_stack.c:113 kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000451a878e): kobject_uevent_env fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env __should_failslab+0x124/0x180 mm/failslab.c:32 kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' should_failslab+0x9/0x14 mm/slab_common.c:1578 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] __do_kmalloc mm/slab.c:3720 [inline] __kmalloc+0x2e0/0x760 mm/slab.c:3731 kmalloc include/linux/slab.h:551 [inline] kzalloc include/linux/slab.h:741 [inline] kobject_get_path+0xc2/0x1b0 lib/kobject.c:171 kobject: 'loop4' (0000000090fbb1e4): kobject_uevent_env kobject_uevent_env+0x314/0x101e lib/kobject_uevent.c:519 kobject: 'loop4' (0000000090fbb1e4): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject_uevent+0x1f/0x24 lib/kobject_uevent.c:636 device_del+0x6c9/0xb70 drivers/base/core.c:2091 kobject: 'loop2' (00000000451a878e): kobject_uevent_env delete_partition+0x233/0x2c0 block/partition-generic.c:288 kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' blkpg_ioctl+0x3c5/0xc10 block/ioctl.c:93 blkdev_ioctl+0x6b7/0x21b0 block/ioctl.c:577 block_ioctl+0xee/0x130 fs/block_dev.c:1883 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0x1de/0x1790 fs/ioctl.c:696 kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' ksys_ioctl+0xa9/0xd0 fs/ioctl.c:713 XFS (loop2): Invalid superblock magic number __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 kobject: 'loop4' (0000000090fbb1e4): kobject_uevent_env entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'loop4' (0000000090fbb1e4): fill_kobj_path: path = '/devices/virtual/block/loop4' RIP: 0033:0x457679 Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fc3b78e1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc3b78e1c90 RCX: 0000000000457679 RDX: 00000000200006c0 RSI: 0000000000001269 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 kobject: 'loop4' (0000000090fbb1e4): kobject_uevent_env R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc3b78e26d4 R13: 00000000004bebbd R14: 00000000004cf818 R15: 0000000000000004 kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop4' (0000000090fbb1e4): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop0p242' (00000000db4ac023): kobject_cleanup, parent (null) kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0p242' (00000000db4ac023): auto cleanup 'remove' event kobject: 'loop0p242' (00000000db4ac023): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' BUG: sleeping function called from invalid context at mm/slab.h:421 kobject: 'holders' (00000000854ddd24): kobject_cleanup, parent 00000000f808193a in_atomic(): 1, irqs_disabled(): 0, pid: 17540, name: udevd INFO: lockdep is turned off. Preemption disabled at: [] spin_lock include/linux/spinlock.h:329 [inline] [] zap_pte_range mm/memory.c:1052 [inline] [] zap_pmd_range mm/memory.c:1193 [inline] [] zap_pud_range mm/memory.c:1222 [inline] [] zap_p4d_range mm/memory.c:1243 [inline] [] unmap_page_range+0xc1b/0x2930 mm/memory.c:1264 CPU: 0 PID: 17540 Comm: udevd Tainted: G W 4.20.0-rc6+ #151 kobject: 'loop0' (000000002fc6fdf9): kobject_uevent_env 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+0x244/0x39d lib/dump_stack.c:113 kobject: 'loop0' (000000002fc6fdf9): fill_kobj_path: path = '/devices/virtual/block/loop0' ___might_sleep.cold.86+0x221/0x254 kernel/sched/core.c:6148 kobject: 'loop4' (0000000090fbb1e4): kobject_uevent_env kobject: 'holders' (00000000854ddd24): auto cleanup kobject_del __might_sleep+0x95/0x190 kernel/sched/core.c:6101 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc_trace+0x2cd/0x750 mm/slab.c:3618 kmalloc include/linux/slab.h:546 [inline] kzalloc include/linux/slab.h:741 [inline] kobject_uevent_env+0x2f3/0x101e lib/kobject_uevent.c:514 kobject: 'loop4' (0000000090fbb1e4): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject_uevent+0x1f/0x24 lib/kobject_uevent.c:636 kobject_cleanup lib/kobject.c:649 [inline] kobject_release lib/kobject.c:691 [inline] kref_put include/linux/kref.h:70 [inline] kobject_put.cold.9+0x170/0x2e4 lib/kobject.c:708 put_device+0x20/0x30 drivers/base/core.c:2024 kobject: 'loop1' (0000000039c65642): kobject_uevent_env delete_partition_rcu_cb+0x147/0x1b0 block/partition-generic.c:259 __rcu_reclaim kernel/rcu/rcu.h:240 [inline] rcu_do_batch kernel/rcu/tree.c:2437 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2716 [inline] rcu_process_callbacks+0x100a/0x1ac0 kernel/rcu/tree.c:2697 kobject: 'holders' (00000000854ddd24): calling ktype release kobject: 'loop1' (0000000039c65642): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000004965a796): kobject_uevent_env kobject: (00000000854ddd24): dynamic_kobj_release kobject: 'loop3' (000000004965a796): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env kobject: 'holders': free name __do_softirq+0x308/0xb7e kernel/softirq.c:292 kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0p241' (00000000f808193a): kobject_uevent_env invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 kobject: 'loop0p241' (00000000f808193a): fill_kobj_path: path = '/devices/virtual/block/loop0/loop0p241' exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:__write_once_size include/linux/compiler.h:209 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x4b/0x50 kernel/kcov.c:109 Code: 90 d8 12 00 00 83 fa 02 75 20 48 8b 88 e0 12 00 00 8b 80 dc 12 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 <5d> c3 0f 1f 00 55 40 0f b6 d6 40 0f b6 f7 31 ff 48 89 e5 48 8b 4d RSP: 0018:ffff888179f5eed8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8881b853c2c0 RBX: ffff888179f5f410 RCX: ffff8881bb4f8da0 RDX: 0000000000000000 RSI: ffffffff81b231a4 RDI: 0000000000000001 RBP: ffff888179f5eed8 R08: ffff8881b853c2c0 R09: fffff94000c32e1e R10: fffff94000c32e1e R11: ffffea00061970f3 R12: 0000000000000001 R13: 00000000027b5000 R14: dffffc0000000000 R15: ffffea0006192940 __tlb_adjust_range include/asm-generic/tlb.h:149 [inline] zap_pte_range mm/memory.c:1077 [inline] zap_pmd_range mm/memory.c:1193 [inline] zap_pud_range mm/memory.c:1222 [inline] zap_p4d_range mm/memory.c:1243 [inline] unmap_page_range+0xd54/0x2930 mm/memory.c:1264 unmap_single_vma+0x19b/0x310 mm/memory.c:1309 unmap_vmas+0x125/0x200 mm/memory.c:1339 exit_mmap+0x2be/0x590 mm/mmap.c:3145 __mmput kernel/fork.c:1045 [inline] mmput+0x247/0x610 kernel/fork.c:1066 exec_mmap fs/exec.c:1043 [inline] flush_old_exec+0xb91/0x21b0 fs/exec.c:1276 load_elf_binary+0xa39/0x5620 fs/binfmt_elf.c:869 search_binary_handler+0x17d/0x570 fs/exec.c:1653 exec_binprm fs/exec.c:1695 [inline] __do_execve_file.isra.33+0x1661/0x25d0 fs/exec.c:1819 do_execveat_common fs/exec.c:1866 [inline] do_execve fs/exec.c:1883 [inline] __do_sys_execve fs/exec.c:1964 [inline] __se_sys_execve fs/exec.c:1959 [inline] __x64_sys_execve+0x8f/0xc0 fs/exec.c:1959 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f79fc373207 Code: Bad RIP value. RSP: 002b:00007ffdbdd3f678 EFLAGS: 00000206 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f79fc373207 RDX: 0000000002812e80 RSI: 00007ffdbdd3f770 RDI: 00007ffdbdd40780 RBP: 0000000000625500 R08: 0000000000001831 R09: 0000000000001831 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000002812e80 R13: 0000000000000008 R14: 000000000260c030 R15: 0000000000000007 CPU: 1 PID: 17544 Comm: syz-executor3 Tainted: G W 4.20.0-rc6+ #151 kobject: 'loop0p242' (00000000db4ac023): fill_kobj_path: path = '/loop0p242' 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+0x244/0x39d lib/dump_stack.c:113 BUG: sleeping function called from invalid context at kernel/locking/mutex.c:908 in_atomic(): 1, irqs_disabled(): 0, pid: 17540, name: udevd INFO: lockdep is turned off. fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 Preemption disabled at: [] spin_lock include/linux/spinlock.h:329 [inline] [] zap_pte_range mm/memory.c:1052 [inline] [] zap_pmd_range mm/memory.c:1193 [inline] [] zap_pud_range mm/memory.c:1222 [inline] [] zap_p4d_range mm/memory.c:1243 [inline] [] unmap_page_range+0xc1b/0x2930 mm/memory.c:1264 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1578 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc_node mm/slab.c:3299 [inline] kmem_cache_alloc_node+0x26e/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:997 [inline] alloc_uevent_skb+0x84/0x1da lib/kobject_uevent.c:288 uevent_net_broadcast_untagged lib/kobject_uevent.c:324 [inline] kobject_uevent_net_broadcast lib/kobject_uevent.c:406 [inline] kobject_uevent_env+0xa52/0x101e lib/kobject_uevent.c:587 kobject_uevent+0x1f/0x24 lib/kobject_uevent.c:636 device_del+0x6c9/0xb70 drivers/base/core.c:2091 delete_partition+0x233/0x2c0 block/partition-generic.c:288 blkpg_ioctl+0x3c5/0xc10 block/ioctl.c:93 blkdev_ioctl+0x6b7/0x21b0 block/ioctl.c:577 block_ioctl+0xee/0x130 fs/block_dev.c:1883 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0x1de/0x1790 fs/ioctl.c:696 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457679 Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fc3b78e1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc3b78e1c90 RCX: 0000000000457679 RDX: 00000000200006c0 RSI: 0000000000001269 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc3b78e26d4 R13: 00000000004bebbd R14: 00000000004cf818 R15: 0000000000000004 CPU: 0 PID: 17540 Comm: udevd Tainted: G W 4.20.0-rc6+ #151 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+0x244/0x39d lib/dump_stack.c:113 ___might_sleep.cold.86+0x221/0x254 kernel/sched/core.c:6148 __might_sleep+0x95/0x190 kernel/sched/core.c:6101 __mutex_lock_common kernel/locking/mutex.c:908 [inline] __mutex_lock+0x138/0x16f0 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 kobject_uevent_env+0x7d7/0x101e lib/kobject_uevent.c:580 kobject_uevent+0x1f/0x24 lib/kobject_uevent.c:636 kobject_cleanup lib/kobject.c:649 [inline] kobject_release lib/kobject.c:691 [inline] kref_put include/linux/kref.h:70 [inline] kobject_put.cold.9+0x170/0x2e4 lib/kobject.c:708 put_device+0x20/0x30 drivers/base/core.c:2024 delete_partition_rcu_cb+0x147/0x1b0 block/partition-generic.c:259 __rcu_reclaim kernel/rcu/rcu.h:240 [inline] rcu_do_batch kernel/rcu/tree.c:2437 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2716 [inline] rcu_process_callbacks+0x100a/0x1ac0 kernel/rcu/tree.c:2697 __do_softirq+0x308/0xb7e kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:__write_once_size include/linux/compiler.h:209 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x4b/0x50 kernel/kcov.c:109 Code: 90 d8 12 00 00 83 fa 02 75 20 48 8b 88 e0 12 00 00 8b 80 dc 12 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 <5d> c3 0f 1f 00 55 40 0f b6 d6 40 0f b6 f7 31 ff 48 89 e5 48 8b 4d RSP: 0018:ffff888179f5eed8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8881b853c2c0 RBX: ffff888179f5f410 RCX: ffff8881bb4f8da0 RDX: 0000000000000000 RSI: ffffffff81b231a4 RDI: 0000000000000001 RBP: ffff888179f5eed8 R08: ffff8881b853c2c0 R09: fffff94000c32e1e R10: fffff94000c32e1e R11: ffffea00061970f3 R12: 0000000000000001 R13: 00000000027b5000 R14: dffffc0000000000 R15: ffffea0006192940 __tlb_adjust_range include/asm-generic/tlb.h:149 [inline] zap_pte_range mm/memory.c:1077 [inline] zap_pmd_range mm/memory.c:1193 [inline] zap_pud_range mm/memory.c:1222 [inline] zap_p4d_range mm/memory.c:1243 [inline] unmap_page_range+0xd54/0x2930 mm/memory.c:1264 unmap_single_vma+0x19b/0x310 mm/memory.c:1309 unmap_vmas+0x125/0x200 mm/memory.c:1339 exit_mmap+0x2be/0x590 mm/mmap.c:3145 __mmput kernel/fork.c:1045 [inline] mmput+0x247/0x610 kernel/fork.c:1066 exec_mmap fs/exec.c:1043 [inline] flush_old_exec+0xb91/0x21b0 fs/exec.c:1276 load_elf_binary+0xa39/0x5620 fs/binfmt_elf.c:869 search_binary_handler+0x17d/0x570 fs/exec.c:1653 exec_binprm fs/exec.c:1695 [inline] __do_execve_file.isra.33+0x1661/0x25d0 fs/exec.c:1819 do_execveat_common fs/exec.c:1866 [inline] do_execve fs/exec.c:1883 [inline] __do_sys_execve fs/exec.c:1964 [inline] __se_sys_execve fs/exec.c:1959 [inline] __x64_sys_execve+0x8f/0xc0 fs/exec.c:1959 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f79fc373207 Code: Bad RIP value. RSP: 002b:00007ffdbdd3f678 EFLAGS: 00000206 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f79fc373207 RDX: 0000000002812e80 RSI: 00007ffdbdd3f770 RDI: 00007ffdbdd40780 RBP: 0000000000625500 R08: 0000000000001831 R09: 0000000000001831 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000002812e80 R13: 0000000000000008 R14: 000000000260c030 R15: 0000000000000007 BUG: sleeping function called from invalid context at mm/slab.h:421 in_atomic(): 1, irqs_disabled(): 0, pid: 17540, name: udevd INFO: lockdep is turned off. Preemption disabled at: [] spin_lock include/linux/spinlock.h:329 [inline] [] zap_pte_range mm/memory.c:1052 [inline] [] zap_pmd_range mm/memory.c:1193 [inline] [] zap_pud_range mm/memory.c:1222 [inline] [] zap_p4d_range mm/memory.c:1243 [inline] [] unmap_page_range+0xc1b/0x2930 mm/memory.c:1264 CPU: 0 PID: 17540 Comm: udevd Tainted: G W 4.20.0-rc6+ #151 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+0x244/0x39d lib/dump_stack.c:113 ___might_sleep.cold.86+0x221/0x254 kernel/sched/core.c:6148 __might_sleep+0x95/0x190 kernel/sched/core.c:6101 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3299 [inline] kmem_cache_alloc_node+0x264/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:997 [inline] alloc_uevent_skb+0x84/0x1da lib/kobject_uevent.c:288 uevent_net_broadcast_untagged lib/kobject_uevent.c:324 [inline] kobject_uevent_net_broadcast lib/kobject_uevent.c:406 [inline] kobject_uevent_env+0xa52/0x101e lib/kobject_uevent.c:587 kobject_uevent+0x1f/0x24 lib/kobject_uevent.c:636 kobject_cleanup lib/kobject.c:649 [inline] kobject_release lib/kobject.c:691 [inline] kref_put include/linux/kref.h:70 [inline] kobject_put.cold.9+0x170/0x2e4 lib/kobject.c:708 put_device+0x20/0x30 drivers/base/core.c:2024 delete_partition_rcu_cb+0x147/0x1b0 block/partition-generic.c:259 __rcu_reclaim kernel/rcu/rcu.h:240 [inline] rcu_do_batch kernel/rcu/tree.c:2437 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2716 [inline] rcu_process_callbacks+0x100a/0x1ac0 kernel/rcu/tree.c:2697 __do_softirq+0x308/0xb7e kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:__write_once_size include/linux/compiler.h:209 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x4b/0x50 kernel/kcov.c:109 Code: 90 d8 12 00 00 83 fa 02 75 20 48 8b 88 e0 12 00 00 8b 80 dc 12 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 <5d> c3 0f 1f 00 55 40 0f b6 d6 40 0f b6 f7 31 ff 48 89 e5 48 8b 4d RSP: 0018:ffff888179f5eed8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8881b853c2c0 RBX: ffff888179f5f410 RCX: ffff8881bb4f8da0 RDX: 0000000000000000 RSI: ffffffff81b231a4 RDI: 0000000000000001 RBP: ffff888179f5eed8 R08: ffff8881b853c2c0 R09: fffff94000c32e1e R10: fffff94000c32e1e R11: ffffea00061970f3 R12: 0000000000000001 R13: 00000000027b5000 R14: dffffc0000000000 R15: ffffea0006192940 __tlb_adjust_range include/asm-generic/tlb.h:149 [inline] zap_pte_range mm/memory.c:1077 [inline] zap_pmd_range mm/memory.c:1193 [inline] zap_pud_range mm/memory.c:1222 [inline] zap_p4d_range mm/memory.c:1243 [inline] unmap_page_range+0xd54/0x2930 mm/memory.c:1264 unmap_single_vma+0x19b/0x310 mm/memory.c:1309 unmap_vmas+0x125/0x200 mm/memory.c:1339 exit_mmap+0x2be/0x590 mm/mmap.c:3145 __mmput kernel/fork.c:1045 [inline] mmput+0x247/0x610 kernel/fork.c:1066 exec_mmap fs/exec.c:1043 [inline] flush_old_exec+0xb91/0x21b0 fs/exec.c:1276 load_elf_binary+0xa39/0x5620 fs/binfmt_elf.c:869 search_binary_handler+0x17d/0x570 fs/exec.c:1653 exec_binprm fs/exec.c:1695 [inline] __do_execve_file.isra.33+0x1661/0x25d0 fs/exec.c:1819 do_execveat_common fs/exec.c:1866 [inline] do_execve fs/exec.c:1883 [inline] __do_sys_execve fs/exec.c:1964 [inline] __se_sys_execve fs/exec.c:1959 [inline] __x64_sys_execve+0x8f/0xc0 fs/exec.c:1959 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f79fc373207 Code: Bad RIP value. RSP: 002b:00007ffdbdd3f678 EFLAGS: 00000206 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f79fc373207 RDX: 0000000002812e80 RSI: 00007ffdbdd3f770 RDI: 00007ffdbdd40780 RBP: 0000000000625500 R08: 0000000000001831 R09: 0000000000001831 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000002812e80 R13: 0000000000000008 R14: 000000000260c030 R15: 0000000000000007 kobject: 'loop0p242' (00000000db4ac023): calling ktype release kobject: 'loop0p242': free name kobject: 'loop3' (000000004965a796): kobject_uevent_env kobject: 'loop3' (000000004965a796): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000090fbb1e4): kobject_uevent_env kobject: 'loop4' (0000000090fbb1e4): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0p241' (00000000f808193a): kobject_cleanup, parent (null) kobject: 'loop0p241' (00000000f808193a): calling ktype release kobject: 'loop0p241': free name kobject: 'holders' (00000000d1c43a74): kobject_cleanup, parent 00000000254d1cfe kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'holders' (00000000d1c43a74): auto cleanup kobject_del kobject: 'holders' (00000000d1c43a74): calling ktype release kobject: (00000000d1c43a74): dynamic_kobj_release kobject: 'holders': free name kobject: 'loop0p244' (00000000254d1cfe): kobject_uevent_env kobject: 'loop0p244' (00000000254d1cfe): fill_kobj_path: path = '/devices/virtual/block/loop0/loop0p244' kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000090fbb1e4): kobject_uevent_env kobject: 'loop4' (0000000090fbb1e4): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000004965a796): kobject_uevent_env kobject: 'loop3' (000000004965a796): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000039c65642): kobject_uevent_env kobject: 'loop1' (0000000039c65642): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop0p244' (00000000254d1cfe): kobject_cleanup, parent (null) kobject: 'loop0p244' (00000000254d1cfe): calling ktype release kobject: 'loop0p244': free name kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000004965a796): kobject_uevent_env kobject: 'loop3' (000000004965a796): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000002fc6fdf9): kobject_uevent_env kobject: 'loop0' (000000002fc6fdf9): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (0000000039c65642): kobject_uevent_env kobject: 'loop1' (0000000039c65642): fill_kobj_path: path = '/devices/virtual/block/loop1' XFS (loop2): Invalid superblock magic number kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' XFS (loop2): Invalid superblock magic number kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env kobject: 'loop0p242' (000000009cb42dc3): kobject_add_internal: parent: 'loop0', set: 'devices' kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0p242' (000000009cb42dc3): kobject_uevent_env kobject: 'loop0p242' (000000009cb42dc3): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'holders' (0000000095276e48): kobject_add_internal: parent: 'loop0p242', set: '' kobject: 'loop0p242' (000000009cb42dc3): kobject_uevent_env kobject: 'loop0p242' (000000009cb42dc3): fill_kobj_path: path = '/devices/virtual/block/loop0/loop0p242' kobject: 'loop3' (000000004965a796): kobject_uevent_env kobject: 'loop3' (000000004965a796): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop4' (0000000090fbb1e4): kobject_uevent_env kobject: 'loop4' (0000000090fbb1e4): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000002fc6fdf9): kobject_uevent_env kobject: 'loop0' (000000002fc6fdf9): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (0000000039c65642): kobject_uevent_env kobject: 'loop1' (0000000039c65642): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' XFS (loop2): Invalid superblock magic number kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' XFS (loop2): Invalid superblock magic number kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000002fc6fdf9): kobject_uevent_env kobject: 'loop0' (000000002fc6fdf9): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000004965a796): kobject_uevent_env kobject: 'loop3' (000000004965a796): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000039c65642): kobject_uevent_env kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop1' (0000000039c65642): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000090fbb1e4): kobject_uevent_env kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop4' (0000000090fbb1e4): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000002fc6fdf9): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000002fc6fdf9): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop0p244' (00000000ebee647e): kobject_add_internal: parent: 'loop0', set: 'devices' kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0p244' (00000000ebee647e): kobject_uevent_env kobject: 'loop0p244' (00000000ebee647e): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'holders' (0000000069704f26): kobject_add_internal: parent: 'loop0p244', set: '' kobject: 'loop0p244' (00000000ebee647e): kobject_uevent_env kobject: 'loop3' (000000004965a796): kobject_uevent_env kobject: 'loop0p244' (00000000ebee647e): fill_kobj_path: path = '/devices/virtual/block/loop0/loop0p244' kobject: 'loop3' (000000004965a796): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000090fbb1e4): kobject_uevent_env kobject: 'loop4' (0000000090fbb1e4): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop3' (000000004965a796): kobject_uevent_env kobject: 'loop3' (000000004965a796): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000090fbb1e4): kobject_uevent_env kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000090fbb1e4): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop1' (0000000039c65642): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (0000000039c65642): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000002fc6fdf9): kobject_uevent_env kobject: 'loop0' (000000002fc6fdf9): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000004965a796): kobject_uevent_env kobject: 'loop3' (000000004965a796): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (0000000039c65642): kobject_uevent_env kobject: 'loop1' (0000000039c65642): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000004965a796): kobject_uevent_env kobject: 'loop3' (000000004965a796): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000039c65642): kobject_uevent_env kobject: 'loop1' (0000000039c65642): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000090fbb1e4): kobject_uevent_env kobject: 'loop4' (0000000090fbb1e4): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000004965a796): kobject_uevent_env kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop3' (000000004965a796): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (0000000039c65642): kobject_uevent_env kobject: 'loop1' (0000000039c65642): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000090fbb1e4): kobject_uevent_env kobject: 'loop4' (0000000090fbb1e4): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000004965a796): kobject_uevent_env kobject: 'loop3' (000000004965a796): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000039c65642): kobject_uevent_env kobject: 'loop1' (0000000039c65642): fill_kobj_path: path = '/devices/virtual/block/loop1' XFS (loop2): Invalid superblock magic number kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop0' (000000002fc6fdf9): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000002fc6fdf9): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0p241' (000000002d15e6fe): kobject_add_internal: parent: 'loop0', set: 'devices' kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0p241' (000000002d15e6fe): kobject_uevent_env kobject: 'loop0p241' (000000002d15e6fe): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'holders' (000000007135afa0): kobject_add_internal: parent: 'loop0p241', set: '' kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000090fbb1e4): kobject_uevent_env kobject: 'loop0p241' (000000002d15e6fe): kobject_uevent_env kobject: 'loop4' (0000000090fbb1e4): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0p241' (000000002d15e6fe): fill_kobj_path: path = '/devices/virtual/block/loop0/loop0p241' kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000004965a796): kobject_uevent_env kobject: 'loop3' (000000004965a796): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000039c65642): kobject_uevent_env kobject: 'loop1' (0000000039c65642): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0p253' (00000000916253e7): kobject_add_internal: parent: 'loop0', set: 'devices' kobject: 'loop0' (000000002fc6fdf9): kobject_uevent_env kobject: 'loop0' (000000002fc6fdf9): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env kobject: 'loop0p253' (00000000916253e7): kobject_uevent_env kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' XFS (loop2): Invalid superblock magic number kobject: 'loop3' (000000004965a796): kobject_uevent_env kobject: 'loop0p253' (00000000916253e7): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (000000004965a796): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'holders' (0000000027ddc345): kobject_add_internal: parent: 'loop0p253', set: '' kobject: 'loop4' (0000000090fbb1e4): kobject_uevent_env kobject: 'loop4' (0000000090fbb1e4): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0p253' (00000000916253e7): kobject_uevent_env kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop4' (0000000090fbb1e4): kobject_uevent_env kobject: 'loop4' (0000000090fbb1e4): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0p253' (00000000916253e7): fill_kobj_path: path = '/devices/virtual/block/loop0/loop0p253' kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000004965a796): kobject_uevent_env kobject: 'loop3' (000000004965a796): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop0' (000000002fc6fdf9): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000002fc6fdf9): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (0000000039c65642): kobject_uevent_env kobject: 'loop1' (0000000039c65642): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000451a878e): kobject_uevent_env kobject: 'loop1' (0000000039c65642): kobject_uevent_env kobject: 'loop2' (00000000451a878e): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (0000000039c65642): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000a51a7c85): kobject_uevent_env kobject: 'loop5' (00000000a51a7c85): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000004965a796): kobject_uevent_env kobject: 'loop3' (000000004965a796): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000090fbb1e4): kobject_uevent_env kobject: 'loop4' (0000000090fbb1e4): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000451a878e): kobject_uevent_env