===================================================== WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected kobject: '' (0000000061e62aac): kobject_add_internal: parent: 'net', set: 'devices' 5.0.0-rc3+ #44 Not tainted ----------------------------------------------------- syz-executor4/12054 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: 00000000d6b7cf57 (&ctx->fd_wqh){....}, at: spin_lock include/linux/spinlock.h:329 [inline] 00000000d6b7cf57 (&ctx->fd_wqh){....}, at: aio_poll+0x7b9/0x14e0 fs/aio.c:1772 and this task is already holding: 0000000016acb4e6 (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] 0000000016acb4e6 (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll+0x790/0x14e0 fs/aio.c:1771 which would create a new lock dependency: (&(&ctx->ctx_lock)->rlock){..-.} -> (&ctx->fd_wqh){....} but this new dependency connects a SOFTIRQ-irq-safe lock: (&(&ctx->ctx_lock)->rlock){..-.} ... which became SOFTIRQ-irq-safe at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0xa7/0x6e0 fs/aio.c:610 percpu_ref_put_many include/linux/percpu-refcount.h:285 [inline] percpu_ref_put include/linux/percpu-refcount.h:301 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x50c/0x6b0 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:240 [inline] rcu_do_batch kernel/rcu/tree.c:2452 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2773 [inline] rcu_process_callbacks+0xc4a/0x1680 kernel/rcu/tree.c:2754 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 atomic_read include/asm-generic/atomic-instrumented.h:21 [inline] rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 kernel/rcu/tree.c:305 rcu_is_watching+0x10/0x30 kernel/rcu/tree.c:932 rcu_read_lock_sched include/linux/rcupdate.h:716 [inline] percpu_ref_put_many include/linux/percpu-refcount.h:280 [inline] percpu_ref_put include/linux/percpu-refcount.h:301 [inline] wb_put include/linux/backing-dev-defs.h:270 [inline] wbc_detach_inode+0x777/0x960 fs/fs-writeback.c:669 __filemap_fdatawrite_range+0x35d/0x470 mm/filemap.c:412 filemap_write_and_wait_range mm/filemap.c:633 [inline] filemap_write_and_wait_range+0x4b/0xd0 mm/filemap.c:627 generic_file_direct_write+0x3a2/0x4b0 mm/filemap.c:3087 __generic_file_write_iter+0x2ee/0x630 mm/filemap.c:3290 ext4_file_write_iter+0x37a/0x1410 fs/ext4/file.c:266 call_write_iter include/linux/fs.h:1862 [inline] do_iter_readv_writev+0x902/0xbc0 fs/read_write.c:680 do_iter_write fs/read_write.c:956 [inline] do_iter_write+0x184/0x610 fs/read_write.c:937 vfs_iter_write+0x77/0xb0 fs/read_write.c:969 iter_file_splice_write+0x885/0xfc0 fs/splice.c:749 do_splice_from fs/splice.c:851 [inline] direct_splice_actor+0x126/0x1a0 fs/splice.c:1023 kobject: '' (0000000061e62aac): kobject_uevent_env splice_direct_to_actor+0x3be/0x9d0 fs/splice.c:978 do_splice_direct+0x2c7/0x420 fs/splice.c:1066 do_sendfile+0x61a/0xe60 fs/read_write.c:1436 __do_sys_sendfile64 fs/read_write.c:1497 [inline] __se_sys_sendfile64 fs/read_write.c:1483 [inline] __x64_sys_sendfile64+0x1f8/0x240 fs/read_write.c:1483 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe to a SOFTIRQ-irq-unsafe lock: (&ctx->fault_pending_wqh){+.+.} ... which became SOFTIRQ-irq-unsafe at: ... lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] userfaultfd_release+0x609/0x8c0 fs/userfaultfd.c:916 __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 kobject: '' (0000000061e62aac): fill_kobj_path: path = '/devices/virtual/net/' 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 other info that might help us debug this: Chain exists of: &(&ctx->ctx_lock)->rlock --> &ctx->fd_wqh --> &ctx->fault_pending_wqh Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ctx->fault_pending_wqh); kobject: 'queues' (000000003ae6f235): kobject_add_internal: parent: '', set: '' local_irq_disable(); lock(&(&ctx->ctx_lock)->rlock); lock(&ctx->fd_wqh); lock(&(&ctx->ctx_lock)->rlock); *** DEADLOCK *** 1 lock held by syz-executor4/12054: #0: 0000000016acb4e6 (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] #0: 0000000016acb4e6 (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll+0x790/0x14e0 fs/aio.c:1771 the dependencies between SOFTIRQ-irq-safe lock and the holding lock: -> (&(&ctx->ctx_lock)->rlock){..-.} { kobject: 'queues' (000000003ae6f235): kobject_uevent_env IN-SOFTIRQ-W at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0xa7/0x6e0 fs/aio.c:610 percpu_ref_put_many include/linux/percpu-refcount.h:285 [inline] percpu_ref_put include/linux/percpu-refcount.h:301 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x50c/0x6b0 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:240 [inline] rcu_do_batch kernel/rcu/tree.c:2452 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2773 [inline] rcu_process_callbacks+0xc4a/0x1680 kernel/rcu/tree.c:2754 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 atomic_read include/asm-generic/atomic-instrumented.h:21 [inline] rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 kernel/rcu/tree.c:305 rcu_is_watching+0x10/0x30 kernel/rcu/tree.c:932 rcu_read_lock_sched include/linux/rcupdate.h:716 [inline] percpu_ref_put_many include/linux/percpu-refcount.h:280 [inline] percpu_ref_put include/linux/percpu-refcount.h:301 [inline] wb_put include/linux/backing-dev-defs.h:270 [inline] wbc_detach_inode+0x777/0x960 fs/fs-writeback.c:669 __filemap_fdatawrite_range+0x35d/0x470 mm/filemap.c:412 kobject: 'queues' (000000003ae6f235): kobject_uevent_env: filter function caused the event to drop! filemap_write_and_wait_range mm/filemap.c:633 [inline] filemap_write_and_wait_range+0x4b/0xd0 mm/filemap.c:627 generic_file_direct_write+0x3a2/0x4b0 mm/filemap.c:3087 kobject: 'rx-0' (00000000cae7bb4d): kobject_add_internal: parent: 'queues', set: 'queues' __generic_file_write_iter+0x2ee/0x630 mm/filemap.c:3290 ext4_file_write_iter+0x37a/0x1410 fs/ext4/file.c:266 call_write_iter include/linux/fs.h:1862 [inline] do_iter_readv_writev+0x902/0xbc0 fs/read_write.c:680 kobject: 'rx-0' (00000000cae7bb4d): kobject_uevent_env do_iter_write fs/read_write.c:956 [inline] do_iter_write+0x184/0x610 fs/read_write.c:937 vfs_iter_write+0x77/0xb0 fs/read_write.c:969 iter_file_splice_write+0x885/0xfc0 fs/splice.c:749 do_splice_from fs/splice.c:851 [inline] direct_splice_actor+0x126/0x1a0 fs/splice.c:1023 kobject: 'rx-0' (00000000cae7bb4d): fill_kobj_path: path = '/devices/virtual/net//queues/rx-0' splice_direct_to_actor+0x3be/0x9d0 fs/splice.c:978 do_splice_direct+0x2c7/0x420 fs/splice.c:1066 do_sendfile+0x61a/0xe60 fs/read_write.c:1436 __do_sys_sendfile64 fs/read_write.c:1497 [inline] __se_sys_sendfile64 fs/read_write.c:1483 [inline] __x64_sys_sendfile64+0x1f8/0x240 fs/read_write.c:1483 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe INITIAL USE at: kobject: 'tx-0' (0000000075e2156f): kobject_add_internal: parent: 'queues', set: 'queues' lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0xa7/0x6e0 fs/aio.c:610 percpu_ref_put_many include/linux/percpu-refcount.h:285 [inline] percpu_ref_put include/linux/percpu-refcount.h:301 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x50c/0x6b0 lib/percpu-refcount.c:158 kobject: 'tx-0' (0000000075e2156f): kobject_uevent_env __rcu_reclaim kernel/rcu/rcu.h:240 [inline] rcu_do_batch kernel/rcu/tree.c:2452 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2773 [inline] rcu_process_callbacks+0xc4a/0x1680 kernel/rcu/tree.c:2754 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 binder: 12065:12066 transaction failed 29189/-22, size 8192-0 line 2896 atomic_read include/asm-generic/atomic-instrumented.h:21 [inline] rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 kernel/rcu/tree.c:305 rcu_is_watching+0x10/0x30 kernel/rcu/tree.c:932 rcu_read_lock_sched include/linux/rcupdate.h:716 [inline] percpu_ref_put_many include/linux/percpu-refcount.h:280 [inline] percpu_ref_put include/linux/percpu-refcount.h:301 [inline] wb_put include/linux/backing-dev-defs.h:270 [inline] wbc_detach_inode+0x777/0x960 fs/fs-writeback.c:669 __filemap_fdatawrite_range+0x35d/0x470 mm/filemap.c:412 kobject: 'tx-0' (0000000075e2156f): fill_kobj_path: path = '/devices/virtual/net//queues/tx-0' filemap_write_and_wait_range mm/filemap.c:633 [inline] filemap_write_and_wait_range+0x4b/0xd0 mm/filemap.c:627 generic_file_direct_write+0x3a2/0x4b0 mm/filemap.c:3087 __generic_file_write_iter+0x2ee/0x630 mm/filemap.c:3290 ext4_file_write_iter+0x37a/0x1410 fs/ext4/file.c:266 call_write_iter include/linux/fs.h:1862 [inline] do_iter_readv_writev+0x902/0xbc0 fs/read_write.c:680 do_iter_write fs/read_write.c:956 [inline] do_iter_write+0x184/0x610 fs/read_write.c:937 vfs_iter_write+0x77/0xb0 fs/read_write.c:969 iter_file_splice_write+0x885/0xfc0 fs/splice.c:749 kobject: 'loop1' (00000000179a8944): kobject_uevent_env do_splice_from fs/splice.c:851 [inline] direct_splice_actor+0x126/0x1a0 fs/splice.c:1023 kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' splice_direct_to_actor+0x3be/0x9d0 fs/splice.c:978 do_splice_direct+0x2c7/0x420 fs/splice.c:1066 do_sendfile+0x61a/0xe60 fs/read_write.c:1436 __do_sys_sendfile64 fs/read_write.c:1497 [inline] __se_sys_sendfile64 fs/read_write.c:1483 [inline] __x64_sys_sendfile64+0x1f8/0x240 fs/read_write.c:1483 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 kobject: 'loop3' (00000000a944edba): kobject_uevent_env entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] __key.51948+0x0/0x40 ... acquired at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] aio_poll+0x7b9/0x14e0 fs/aio.c:1772 __io_submit_one fs/aio.c:1875 [inline] io_submit_one+0xc39/0x1050 fs/aio.c:1908 kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' __do_sys_io_submit fs/aio.c:1953 [inline] __se_sys_io_submit fs/aio.c:1923 [inline] __x64_sys_io_submit+0x1c4/0x5d0 fs/aio.c:1923 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'loop1' (00000000179a8944): kobject_uevent_env the dependencies between the lock to be acquired and SOFTIRQ-irq-unsafe lock: kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' -> (&ctx->fault_pending_wqh){+.+.} { HARDIRQ-ON-W at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] userfaultfd_release+0x609/0x8c0 fs/userfaultfd.c:916 __fput+0x3c5/0xb10 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 kobject: 'loop1' (00000000179a8944): kobject_uevent_env 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 kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'loop1' (00000000179a8944): kobject_uevent_env SOFTIRQ-ON-W at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] userfaultfd_release+0x609/0x8c0 fs/userfaultfd.c:916 __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 kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' 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 INITIAL USE at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] userfaultfd_release+0x609/0x8c0 fs/userfaultfd.c:916 __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 } ... key at: [] __key.44850+0x0/0x40 ... acquired at: __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] userfaultfd_ctx_read+0x690/0x2060 fs/userfaultfd.c:1040 userfaultfd_read+0x1e0/0x2c0 fs/userfaultfd.c:1198 __vfs_read+0x116/0xb20 fs/read_write.c:416 vfs_read+0x194/0x3e0 fs/read_write.c:452 ksys_read+0x105/0x260 fs/read_write.c:578 __do_sys_read fs/read_write.c:588 [inline] __se_sys_read fs/read_write.c:586 [inline] __x64_sys_read+0x73/0xb0 fs/read_write.c:586 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> (&ctx->fd_wqh){....} { INITIAL USE at: 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 __wake_up_common_lock+0x19b/0x390 kernel/sched/wait.c:120 __wake_up+0xe/0x10 kernel/sched/wait.c:145 userfaultfd_release+0x667/0x8c0 fs/userfaultfd.c:924 __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 } ... key at: [] __key.44853+0x0/0x40 ... acquired at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] aio_poll+0x7b9/0x14e0 fs/aio.c:1772 __io_submit_one fs/aio.c:1875 [inline] io_submit_one+0xc39/0x1050 fs/aio.c:1908 __do_sys_io_submit fs/aio.c:1953 [inline] __se_sys_io_submit fs/aio.c:1923 [inline] __x64_sys_io_submit+0x1c4/0x5d0 fs/aio.c:1923 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe stack backtrace: CPU: 0 PID: 12054 Comm: syz-executor4 Not tainted 5.0.0-rc3+ #44 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_bad_irq_dependency kernel/locking/lockdep.c:1573 [inline] check_usage.cold+0x5e2/0x917 kernel/locking/lockdep.c:1605 check_irq_usage kernel/locking/lockdep.c:1661 [inline] check_prev_add_irq kernel/locking/lockdep_states.h:8 [inline] check_prev_add kernel/locking/lockdep.c:1871 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2350 [inline] __lock_acquire+0x2169/0x4a30 kernel/locking/lockdep.c:3338 lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] aio_poll+0x7b9/0x14e0 fs/aio.c:1772 __io_submit_one fs/aio.c:1875 [inline] io_submit_one+0xc39/0x1050 fs/aio.c:1908 __do_sys_io_submit fs/aio.c:1953 [inline] __se_sys_io_submit fs/aio.c:1923 [inline] __x64_sys_io_submit+0x1c4/0x5d0 fs/aio.c:1923 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458099 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:00007f56d0b3cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458099 RDX: 0000000020000600 RSI: 0000000000000001 RDI: 00007f56d0b1c000 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f56d0b3d6d4 R13: 00000000004bf2cb R14: 00000000004d0af8 R15: 00000000ffffffff kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' binder: 12100:12108 transaction failed 29189/-22, size 8192-0 line 2896 kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000179a8944): kobject_uevent_env binder: 12117:12124 transaction failed 29189/-22, size 8192-0 line 2896 kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000179a8944): kobject_uevent_env binder: 12136:12141 transaction failed 29189/-22, size 8192-0 line 2896 kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: '' (000000008dbad1cb): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' binder: 12165:12169 transaction failed 29189/-22, size 8192-0 line 2896 kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: '' (000000008dbad1cb): kobject_uevent_env kobject: '' (000000008dbad1cb): fill_kobj_path: path = '/devices/virtual/net/' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'queues' (00000000e2b26694): kobject_add_internal: parent: '', set: '' kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'queues' (00000000e2b26694): kobject_uevent_env binder: 12180:12182 transaction failed 29189/-22, size 8192-0 line 2896 kobject: 'queues' (00000000e2b26694): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000006b81269d): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (000000006b81269d): kobject_uevent_env kobject: 'rx-0' (000000006b81269d): fill_kobj_path: path = '/devices/virtual/net//queues/rx-0' kobject: 'tx-0' (0000000083ee0f91): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'tx-0' (0000000083ee0f91): kobject_uevent_env kobject: 'tx-0' (0000000083ee0f91): fill_kobj_path: path = '/devices/virtual/net//queues/tx-0' kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env binder: 12191:12196 transaction failed 29189/-22, size 8192-0 line 2896 kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: '' (0000000041dfe7ec): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: '' (0000000041dfe7ec): kobject_uevent_env kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: '' (0000000041dfe7ec): fill_kobj_path: path = '/devices/virtual/net/' kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'queues' (0000000082e57fca): kobject_add_internal: parent: '', set: '' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'queues' (0000000082e57fca): kobject_uevent_env kobject: 'queues' (0000000082e57fca): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (000000002fd6f436): kobject_add_internal: parent: 'queues', set: 'queues' binder: 12304:12305 transaction failed 29189/-22, size 8192-0 line 2896 kobject: 'rx-0' (000000002fd6f436): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (000000002fd6f436): fill_kobj_path: path = '/devices/virtual/net//queues/rx-0' kobject: 'tx-0' (00000000d1fe3276): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000d1fe3276): kobject_uevent_env kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'tx-0' (00000000d1fe3276): fill_kobj_path: path = '/devices/virtual/net//queues/tx-0' kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' binder: 12308:12309 transaction failed 29189/-22, size 8192-0 line 2896 kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' binder: 12317:12318 transaction failed 29189/-22, size 8192-0 line 2896 kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' binder: 12333:12334 transaction failed 29189/-22, size 8192-0 line 2896 kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: '' (000000004af31c8c): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' binder: 12351:12352 transaction failed 29189/-22, size 8192-0 line 2896 kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: '' (000000004af31c8c): kobject_uevent_env kobject: '' (000000004af31c8c): fill_kobj_path: path = '/devices/virtual/net/' kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'queues' (000000005fcedad6): kobject_add_internal: parent: '', set: '' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'queues' (000000005fcedad6): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'queues' (000000005fcedad6): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (0000000002bd1c12): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'rx-0' (0000000002bd1c12): kobject_uevent_env kobject: 'rx-0' (0000000002bd1c12): fill_kobj_path: path = '/devices/virtual/net//queues/rx-0' binder: 12365:12367 transaction failed 29189/-22, size 8192-0 line 2896 kobject: 'tx-0' (00000000f0d2088e): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (00000000f0d2088e): kobject_uevent_env kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'tx-0' (00000000f0d2088e): fill_kobj_path: path = '/devices/virtual/net//queues/tx-0' kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000a944edba): kobject_uevent_env binder: 12376:12379 transaction failed 29189/-22, size 8192-0 line 2896 kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' binder: 12459:12460 ioctl c0306201 0 returned -14 kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' binder: 12472:12473 ioctl c0306201 0 returned -14 kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env binder: 12485:12486 ioctl c0306201 0 returned -14 kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env binder: 12566:12567 transaction failed 29189/-22, size 0-0 line 2896 binder: undelivered TRANSACTION_ERROR: 29189 kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env binder: 12579:12583 transaction failed 29189/-22, size 0-0 line 2896 kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' binder: undelivered TRANSACTION_ERROR: 29189 kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' binder: 12594:12595 transaction failed 29189/-22, size 0-0 line 2896 kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000a944edba): kobject_uevent_env binder: undelivered TRANSACTION_ERROR: 29189 kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' binder: undelivered TRANSACTION_ERROR: 29189 kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' binder: undelivered TRANSACTION_ERROR: 29189 kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' binder: undelivered TRANSACTION_ERROR: 29189 kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env binder: undelivered TRANSACTION_ERROR: 29189 kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' binder: undelivered TRANSACTION_ERROR: 29189 kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' binder: undelivered TRANSACTION_ERROR: 29189 kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000179a8944): kobject_uevent_env kobject: 'loop1' (00000000179a8944): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000f2aba0f8): kobject_uevent_env kobject: 'loop5' (00000000f2aba0f8): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000a944edba): kobject_uevent_env kobject: 'loop3' (00000000a944edba): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000dab46685): kobject_uevent_env kobject: 'loop2' (00000000dab46685): fill_kobj_path: path = '/devices/virtual/block/loop2'