======================================================== WARNING: possible irq lock inversion dependency detected 4.19.67 #41 Not tainted -------------------------------------------------------- blkid/7769 just changed the state of lock: 00000000107412cd (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] 00000000107412cd (&(&ctx->ctx_lock)->rlock){..-.}, at: free_ioctx_users+0x2d/0x490 fs/aio.c:614 but this lock took another, SOFTIRQ-unsafe lock in the past: (&fiq->waitq){+.+.} and interrupts could create inverse lock ordering between them. other info that might help us debug this: Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&fiq->waitq); local_irq_disable(); lock(&(&ctx->ctx_lock)->rlock); lock(&fiq->waitq); lock(&(&ctx->ctx_lock)->rlock); *** DEADLOCK *** 3 locks held by blkid/7769: #0: 000000005154302a (rcu_read_lock){....}, at: __d_lookup+0x42/0x760 fs/dcache.c:2259 #1: 00000000bef65a0d (rcu_callback){....}, at: __rcu_reclaim kernel/rcu/rcu.h:226 [inline] #1: 00000000bef65a0d (rcu_callback){....}, at: rcu_do_batch kernel/rcu/tree.c:2584 [inline] #1: 00000000bef65a0d (rcu_callback){....}, at: invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] #1: 00000000bef65a0d (rcu_callback){....}, at: __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] #1: 00000000bef65a0d (rcu_callback){....}, at: rcu_process_callbacks+0xc79/0x1a30 kernel/rcu/tree.c:2881 #2: 00000000d21f373b (rcu_read_lock_sched){....}, at: percpu_ref_call_confirm_rcu lib/percpu-refcount.c:119 [inline] #2: 00000000d21f373b (rcu_read_lock_sched){....}, at: percpu_ref_switch_to_atomic_rcu+0x1ca/0x540 lib/percpu-refcount.c:158 the shortest dependencies between 2nd lock and 1st lock: -> (&fiq->waitq){+.+.} ops: 8 { HARDIRQ-ON-W at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __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] flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368 fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609 fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617 cuse_send_init fs/fuse/cuse.c:458 [inline] cuse_channel_open+0x5ba/0x830 fs/fuse/cuse.c:518 misc_open+0x395/0x4c0 drivers/char/misc.c:141 chrdev_open+0x245/0x6b0 fs/char_dev.c:423 do_dentry_open+0x4c3/0x1210 fs/open.c:796 vfs_open+0xa0/0xd0 fs/open.c:905 do_last fs/namei.c:3418 [inline] path_openat+0x10d7/0x45e0 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_openat fs/open.c:1115 [inline] __se_sys_openat fs/open.c:1109 [inline] __x64_sys_openat+0x9d/0x100 fs/open.c:1109 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe SOFTIRQ-ON-W at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __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] flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368 fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609 fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617 cuse_send_init fs/fuse/cuse.c:458 [inline] cuse_channel_open+0x5ba/0x830 fs/fuse/cuse.c:518 misc_open+0x395/0x4c0 drivers/char/misc.c:141 chrdev_open+0x245/0x6b0 fs/char_dev.c:423 do_dentry_open+0x4c3/0x1210 fs/open.c:796 vfs_open+0xa0/0xd0 fs/open.c:905 do_last fs/namei.c:3418 [inline] path_openat+0x10d7/0x45e0 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_openat fs/open.c:1115 [inline] __se_sys_openat fs/open.c:1109 [inline] __x64_sys_openat+0x9d/0x100 fs/open.c:1109 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe INITIAL USE at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __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] flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368 fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609 fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617 kobject: 'loop1' (00000000f78b3ee2): kobject_uevent_env cuse_send_init fs/fuse/cuse.c:458 [inline] cuse_channel_open+0x5ba/0x830 fs/fuse/cuse.c:518 misc_open+0x395/0x4c0 drivers/char/misc.c:141 chrdev_open+0x245/0x6b0 fs/char_dev.c:423 kobject: 'loop1' (00000000f78b3ee2): fill_kobj_path: path = '/devices/virtual/block/loop1' do_dentry_open+0x4c3/0x1210 fs/open.c:796 vfs_open+0xa0/0xd0 fs/open.c:905 do_last fs/namei.c:3418 [inline] path_openat+0x10d7/0x45e0 fs/namei.c:3534 kobject: 'loop0' (0000000017cc09b4): kobject_uevent_env do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_openat fs/open.c:1115 [inline] __se_sys_openat fs/open.c:1109 [inline] __x64_sys_openat+0x9d/0x100 fs/open.c:1109 kobject: 'loop0' (0000000017cc09b4): fill_kobj_path: path = '/devices/virtual/block/loop0' do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] __key.42212+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] aio_poll fs/aio.c:1741 [inline] __io_submit_one fs/aio.c:1849 [inline] io_submit_one+0xef2/0x2eb0 fs/aio.c:1885 __do_sys_io_submit fs/aio.c:1929 [inline] __se_sys_io_submit fs/aio.c:1900 [inline] __x64_sys_io_submit+0x1aa/0x520 fs/aio.c:1900 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> (&(&ctx->ctx_lock)->rlock){..-.} ops: 3 { IN-SOFTIRQ-W at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __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+0x2d/0x490 fs/aio.c:614 percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline] percpu_ref_put include/linux/percpu-refcount.h:300 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881 __do_softirq+0x25c/0x921 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 __rcu_read_unlock+0x4c/0x170 kernel/rcu/tree_plugin.h:422 rcu_read_unlock include/linux/rcupdate.h:680 [inline] __d_lookup+0x416/0x760 fs/dcache.c:2308 lookup_fast+0x41f/0x11a0 fs/namei.c:1617 walk_component+0xef/0x2000 fs/namei.c:1806 link_path_walk.part.0+0x980/0x1330 fs/namei.c:2141 link_path_walk fs/namei.c:2072 [inline] path_openat+0x1f9/0x45e0 fs/namei.c:3533 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_open fs/open.c:1106 [inline] __se_sys_open fs/open.c:1101 [inline] __x64_sys_open+0x7e/0xc0 fs/open.c:1101 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe INITIAL USE at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __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] aio_poll fs/aio.c:1739 [inline] __io_submit_one fs/aio.c:1849 [inline] io_submit_one+0xead/0x2eb0 fs/aio.c:1885 __do_sys_io_submit fs/aio.c:1929 [inline] __se_sys_io_submit fs/aio.c:1900 [inline] __x64_sys_io_submit+0x1aa/0x520 fs/aio.c:1900 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] __key.50212+0x0/0x40 ... acquired at: mark_lock_irq kernel/locking/lockdep.c:2755 [inline] mark_lock+0x420/0x1370 kernel/locking/lockdep.c:3127 mark_irqflags kernel/locking/lockdep.c:3005 [inline] __lock_acquire+0xc62/0x49c0 kernel/locking/lockdep.c:3368 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __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+0x2d/0x490 fs/aio.c:614 percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline] percpu_ref_put include/linux/percpu-refcount.h:300 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881 __do_softirq+0x25c/0x921 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 __rcu_read_unlock+0x4c/0x170 kernel/rcu/tree_plugin.h:422 rcu_read_unlock include/linux/rcupdate.h:680 [inline] __d_lookup+0x416/0x760 fs/dcache.c:2308 lookup_fast+0x41f/0x11a0 fs/namei.c:1617 walk_component+0xef/0x2000 fs/namei.c:1806 link_path_walk.part.0+0x980/0x1330 fs/namei.c:2141 link_path_walk fs/namei.c:2072 [inline] path_openat+0x1f9/0x45e0 fs/namei.c:3533 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_open fs/open.c:1106 [inline] __se_sys_open fs/open.c:1101 [inline] __x64_sys_open+0x7e/0xc0 fs/open.c:1101 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe stack backtrace: CPU: 1 PID: 7769 Comm: blkid Not tainted 4.19.67 #41 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+0x172/0x1f0 lib/dump_stack.c:113 print_irq_inversion_bug.part.0+0x2c0/0x2cd kernel/locking/lockdep.c:2621 print_irq_inversion_bug kernel/locking/lockdep.c:2624 [inline] check_usage_forwards.cold+0x20/0x29 kernel/locking/lockdep.c:2646 mark_lock_irq kernel/locking/lockdep.c:2755 [inline] mark_lock+0x420/0x1370 kernel/locking/lockdep.c:3127 mark_irqflags kernel/locking/lockdep.c:3005 [inline] __lock_acquire+0xc62/0x49c0 kernel/locking/lockdep.c:3368 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __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+0x2d/0x490 fs/aio.c:614 percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline] percpu_ref_put include/linux/percpu-refcount.h:300 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881 __do_softirq+0x25c/0x921 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline] RIP: 0010:__rcu_read_unlock+0x4c/0x170 kernel/rcu/tree_plugin.h:434 Code: 89 e2 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e e9 00 00 00 8b 83 70 03 00 00 83 f8 01 74 49 83 e8 01 89 83 70 03 00 00 <48> b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 0f b6 14 02 4c RSP: 0018:ffff888065077730 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: ffff888065068540 RCX: ffffffff81b1815e RDX: 1ffff1100ca0d116 RSI: ffffffff81b18091 RDI: ffff8880650688b4 RBP: ffff888065077740 R08: ffff888065068540 R09: ffffed1015d24733 R10: ffffed1015d24732 R11: ffff8880ae923993 R12: ffff8880650688b0 R13: 000000007be798fd R14: dffffc0000000000 R15: ffff888081d97680 rcu_read_unlock include/linux/rcupdate.h:680 [inline] __d_lookup+0x416/0x760 fs/dcache.c:2308 lookup_fast+0x41f/0x11a0 fs/namei.c:1617 walk_component+0xef/0x2000 fs/namei.c:1806 link_path_walk.part.0+0x980/0x1330 fs/namei.c:2141 link_path_walk fs/namei.c:2072 [inline] path_openat+0x1f9/0x45e0 fs/namei.c:3533 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_open fs/open.c:1106 [inline] __se_sys_open fs/open.c:1101 [inline] __x64_sys_open+0x7e/0xc0 fs/open.c:1101 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f95929b6120 Code: 48 8b 15 1b 4d 2b 00 f7 d8 64 89 02 83 c8 ff c3 90 90 90 90 90 90 90 90 90 90 83 3d d5 a4 2b 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e 8c 01 00 48 89 04 24 RSP: 002b:00007ffe5c6aa528 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007ffe5c6ab570 RCX: 00007f95929b6120 RDX: 00007ffe5c6aa542 RSI: 0000000000000000 RDI: 00007ffe5c6aa530 RBP: 0000000000000705 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe5c6ac5e8 R13: 0000000000000000 R14: 00007f9592e97820 R15: 00007f9592c8d2a2 kobject: 'loop1' (00000000f78b3ee2): kobject_uevent_env kobject: 'loop1' (00000000f78b3ee2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000f49a1889): kobject_uevent_env kobject: 'loop2' (00000000f49a1889): fill_kobj_path: path = '/devices/virtual/block/loop2' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop0' (0000000017cc09b4): kobject_uevent_env kobject: 'loop0' (0000000017cc09b4): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000570c1b79): kobject_uevent_env kobject: 'loop5' (00000000570c1b79): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000459e3a92): kobject_uevent_env kobject: 'loop3' (00000000459e3a92): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000f49a1889): kobject_uevent_env kobject: 'loop2' (00000000f49a1889): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000f78b3ee2): kobject_uevent_env kobject: 'loop1' (00000000f78b3ee2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (0000000017cc09b4): kobject_uevent_env kobject: 'loop0' (0000000017cc09b4): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000004515aee1): kobject_uevent_env kobject: 'loop4' (000000004515aee1): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000f49a1889): kobject_uevent_env kobject: 'loop2' (00000000f49a1889): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000459e3a92): kobject_uevent_env kobject: 'loop3' (00000000459e3a92): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (0000000017cc09b4): kobject_uevent_env kobject: 'loop0' (0000000017cc09b4): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000f78b3ee2): kobject_uevent_env kobject: 'loop1' (00000000f78b3ee2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000f49a1889): kobject_uevent_env kobject: 'loop2' (00000000f49a1889): fill_kobj_path: path = '/devices/virtual/block/loop2' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (00000000570c1b79): kobject_uevent_env kobject: 'loop5' (00000000570c1b79): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000f49a1889): kobject_uevent_env kobject: 'loop2' (00000000f49a1889): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000459e3a92): kobject_uevent_env kobject: 'loop3' (00000000459e3a92): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000f78b3ee2): kobject_uevent_env kobject: 'loop1' (00000000f78b3ee2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000004515aee1): kobject_uevent_env kobject: 'loop4' (000000004515aee1): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000570c1b79): kobject_uevent_env kobject: 'loop5' (00000000570c1b79): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000f49a1889): kobject_uevent_env kobject: 'loop2' (00000000f49a1889): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000f78b3ee2): kobject_uevent_env kobject: 'loop1' (00000000f78b3ee2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (00000000f78b3ee2): kobject_uevent_env kobject: 'loop1' (00000000f78b3ee2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (00000000f78b3ee2): kobject_uevent_env kobject: 'loop1' (00000000f78b3ee2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (00000000f78b3ee2): kobject_uevent_env kobject: 'loop1' (00000000f78b3ee2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (00000000f78b3ee2): kobject_uevent_env kobject: 'loop1' (00000000f78b3ee2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (0000000017cc09b4): kobject_uevent_env kobject: 'loop0' (0000000017cc09b4): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000459e3a92): kobject_uevent_env kobject: 'loop3' (00000000459e3a92): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000f78b3ee2): kobject_uevent_env kobject: 'loop1' (00000000f78b3ee2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000570c1b79): kobject_uevent_env kobject: 'input5' (0000000088d28333): kobject_add_internal: parent: 'input', set: 'devices' kobject: 'loop5' (00000000570c1b79): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000459e3a92): kobject_uevent_env kobject: 'loop3' (00000000459e3a92): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'input5' (0000000088d28333): kobject_uevent_env kobject: 'loop4' (000000004515aee1): kobject_uevent_env kobject: 'loop4' (000000004515aee1): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000f49a1889): kobject_uevent_env kobject: 'input5' (0000000088d28333): fill_kobj_path: path = '/devices/virtual/input/input5' kobject: 'loop2' (00000000f49a1889): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'input5' (0000000088d28333): fill_kobj_path: path = '/devices/virtual/input/input5' input: syz1 as /devices/virtual/input/input5 kobject: 'loop0' (0000000017cc09b4): kobject_uevent_env kobject: 'event4' (00000000a5ac66c0): kobject_add_internal: parent: 'input5', set: 'devices' kobject: 'loop0' (0000000017cc09b4): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000f49a1889): kobject_uevent_env kobject: 'event4' (00000000a5ac66c0): kobject_uevent_env kobject: 'loop2' (00000000f49a1889): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'event4' (00000000a5ac66c0): fill_kobj_path: path = '/devices/virtual/input/input5/event4' kobject: 'loop1' (00000000f78b3ee2): kobject_uevent_env kobject: 'event4' (00000000a5ac66c0): kobject_uevent_env kobject: 'event4' (00000000a5ac66c0): fill_kobj_path: path = '/devices/virtual/input/input5/event4' kobject: 'loop1' (00000000f78b3ee2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: '(null)' (00000000ca7447b4): kobject_cleanup, parent 00000000a5ac66c0 kobject: '(null)' (00000000ca7447b4): calling ktype release kobject: 'loop0' (0000000017cc09b4): kobject_uevent_env kobject: 'loop0' (0000000017cc09b4): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000f49a1889): kobject_uevent_env kobject: 'loop2' (00000000f49a1889): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000570c1b79): kobject_uevent_env kobject: 'loop5' (00000000570c1b79): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'event4' (00000000a5ac66c0): kobject_cleanup, parent (null) kobject: 'loop1' (00000000f78b3ee2): kobject_uevent_env kobject: 'event4' (00000000a5ac66c0): calling ktype release kobject: 'loop1' (00000000f78b3ee2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'event4': free name kobject: 'loop0' (0000000017cc09b4): kobject_uevent_env kobject: 'input5' (0000000088d28333): kobject_uevent_env kobject: 'loop0' (0000000017cc09b4): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000f49a1889): kobject_uevent_env kobject: 'input5' (0000000088d28333): fill_kobj_path: path = '/devices/virtual/input/input5' kobject: 'loop2' (00000000f49a1889): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000570c1b79): kobject_uevent_env kobject: 'input5' (0000000088d28333): kobject_cleanup, parent (null) kobject: 'loop5' (00000000570c1b79): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000f78b3ee2): kobject_uevent_env kobject: 'input5' (0000000088d28333): calling ktype release kobject: 'loop1' (00000000f78b3ee2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'input5': free name kobject: 'input6' (000000008e915b59): kobject_add_internal: parent: 'input', set: 'devices' kobject: 'input6' (000000008e915b59): kobject_uevent_env kobject: 'input6' (000000008e915b59): fill_kobj_path: path = '/devices/virtual/input/input6' kobject: 'input6' (000000008e915b59): fill_kobj_path: path = '/devices/virtual/input/input6' input: syz1 as /devices/virtual/input/input6 kobject: 'event4' (00000000546febf3): kobject_add_internal: parent: 'input6', set: 'devices' kobject: 'event4' (00000000546febf3): kobject_uevent_env kobject: 'event4' (00000000546febf3): fill_kobj_path: path = '/devices/virtual/input/input6/event4' kobject: 'event4' (00000000546febf3): kobject_uevent_env kobject: 'event4' (00000000546febf3): fill_kobj_path: path = '/devices/virtual/input/input6/event4' kobject: '(null)' (00000000eb89474b): kobject_cleanup, parent 00000000546febf3 kobject: '(null)' (00000000eb89474b): calling ktype release kobject: 'event4' (00000000546febf3): kobject_cleanup, parent (null) kobject: 'event4' (00000000546febf3): calling ktype release kobject: 'event4': free name kobject: 'input6' (000000008e915b59): kobject_uevent_env kobject: 'input6' (000000008e915b59): fill_kobj_path: path = '/devices/virtual/input/input6' kobject: 'input6' (000000008e915b59): kobject_cleanup, parent (null) kobject: 'input6' (000000008e915b59): calling ktype release kobject: 'input6': free name kobject: 'loop4' (000000004515aee1): kobject_uevent_env kobject: 'loop4' (000000004515aee1): fill_kobj_path: path = '/devices/virtual/block/loop4'