====================================================== WARNING: possible circular locking dependency detected 4.14.149 #0 Not tainted ------------------------------------------------------ syz-executor.0/11114 is trying to acquire lock: (&event->child_mutex){+.+.}, at: [] perf_read_group kernel/events/core.c:4536 [inline] (&event->child_mutex){+.+.}, at: [] __perf_read kernel/events/core.c:4618 [inline] (&event->child_mutex){+.+.}, at: [] perf_read+0x2c0/0x820 kernel/events/core.c:4633 but task is already holding lock: (&cpuctx_mutex){+.+.}, at: [] perf_event_ctx_lock_nested+0x150/0x2c0 kernel/events/core.c:1235 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #5 (&cpuctx_mutex){+.+.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 perf_event_init_cpu+0xc2/0x170 kernel/events/core.c:11223 perf_event_init+0x2d8/0x31a kernel/events/core.c:11270 start_kernel+0x3b6/0x6fd init/main.c:621 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:381 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:362 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:240 -> #4 (pmus_lock){+.+.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 perf_event_init_cpu+0x2f/0x170 kernel/events/core.c:11217 cpuhp_invoke_callback+0x1ea/0x1ab0 kernel/cpu.c:184 cpuhp_up_callbacks kernel/cpu.c:572 [inline] _cpu_up+0x228/0x530 kernel/cpu.c:1134 do_cpu_up+0x121/0x150 kernel/cpu.c:1169 cpu_up+0x1b/0x20 kernel/cpu.c:1177 smp_init+0x157/0x170 kernel/smp.c:578 kernel_init_freeable+0x30b/0x532 init/main.c:1067 kernel_init+0x12/0x162 init/main.c:999 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 -> #3 (cpu_hotplug_lock.rw_sem){++++}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] cpus_read_lock+0x3d/0xc0 kernel/cpu.c:295 static_key_slow_inc+0x13/0x30 kernel/jump_label.c:123 tracepoint_add_func kernel/tracepoint.c:223 [inline] tracepoint_probe_register_prio+0x4d6/0x6d0 kernel/tracepoint.c:283 tracepoint_probe_register+0x2b/0x40 kernel/tracepoint.c:304 trace_event_reg+0x277/0x330 kernel/trace/trace_events.c:305 perf_trace_event_reg kernel/trace/trace_event_perf.c:122 [inline] perf_trace_event_init kernel/trace/trace_event_perf.c:197 [inline] perf_trace_init+0x449/0xaa0 kernel/trace/trace_event_perf.c:221 perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:8106 perf_try_init_event+0x164/0x200 kernel/events/core.c:9342 perf_init_event kernel/events/core.c:9380 [inline] perf_event_alloc.part.0+0xd90/0x25b0 kernel/events/core.c:9640 perf_event_alloc kernel/events/core.c:9993 [inline] SYSC_perf_event_open+0xad1/0x2690 kernel/events/core.c:10097 SyS_perf_event_open+0x34/0x40 kernel/events/core.c:9983 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #2 (tracepoints_mutex){+.+.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 tracepoint_probe_register_prio+0x36/0x6d0 kernel/tracepoint.c:279 tracepoint_probe_register+0x2b/0x40 kernel/tracepoint.c:304 trace_event_reg+0x277/0x330 kernel/trace/trace_events.c:305 perf_trace_event_reg kernel/trace/trace_event_perf.c:122 [inline] perf_trace_event_init kernel/trace/trace_event_perf.c:197 [inline] perf_trace_init+0x449/0xaa0 kernel/trace/trace_event_perf.c:221 perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:8106 perf_try_init_event+0x164/0x200 kernel/events/core.c:9342 perf_init_event kernel/events/core.c:9380 [inline] perf_event_alloc.part.0+0xd90/0x25b0 kernel/events/core.c:9640 perf_event_alloc kernel/events/core.c:9993 [inline] SYSC_perf_event_open+0xad1/0x2690 kernel/events/core.c:10097 SyS_perf_event_open+0x34/0x40 kernel/events/core.c:9983 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #1 (event_mutex){+.+.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 perf_trace_destroy+0x28/0x100 kernel/trace/trace_event_perf.c:234 tp_perf_event_destroy+0x16/0x20 kernel/events/core.c:8090 _free_event+0x330/0xe70 kernel/events/core.c:4238 free_event+0x38/0x50 kernel/events/core.c:4265 perf_event_release_kernel+0x364/0x880 kernel/events/core.c:4409 perf_release+0x37/0x50 kernel/events/core.c:4435 __fput+0x275/0x7a0 fs/file_table.c:210 ____fput+0x16/0x20 fs/file_table.c:244 task_work_run+0x114/0x190 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x1da/0x220 arch/x86/entry/common.c:164 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4bc/0x640 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #0 (&event->child_mutex){+.+.}: check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 perf_read_group kernel/events/core.c:4536 [inline] __perf_read kernel/events/core.c:4618 [inline] perf_read+0x2c0/0x820 kernel/events/core.c:4633 do_loop_readv_writev fs/read_write.c:695 [inline] do_loop_readv_writev fs/read_write.c:682 [inline] do_iter_read+0x3e2/0x5b0 fs/read_write.c:919 vfs_readv+0xd3/0x130 fs/read_write.c:981 do_readv+0x10a/0x2d0 fs/read_write.c:1014 SYSC_readv fs/read_write.c:1101 [inline] SyS_readv+0x28/0x30 fs/read_write.c:1098 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 other info that might help us debug this: Chain exists of: &event->child_mutex --> pmus_lock --> &cpuctx_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&cpuctx_mutex); lock(pmus_lock); lock(&cpuctx_mutex); lock(&event->child_mutex); *** DEADLOCK *** 1 lock held by syz-executor.0/11114: #0: (&cpuctx_mutex){+.+.}, at: [] perf_event_ctx_lock_nested+0x150/0x2c0 kernel/events/core.c:1235 stack backtrace: CPU: 1 PID: 11114 Comm: syz-executor.0 Not tainted 4.14.149 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x197 lib/dump_stack.c:53 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 perf_read_group kernel/events/core.c:4536 [inline] __perf_read kernel/events/core.c:4618 [inline] perf_read+0x2c0/0x820 kernel/events/core.c:4633 do_loop_readv_writev fs/read_write.c:695 [inline] do_loop_readv_writev fs/read_write.c:682 [inline] do_iter_read+0x3e2/0x5b0 fs/read_write.c:919 vfs_readv+0xd3/0x130 fs/read_write.c:981 do_readv+0x10a/0x2d0 fs/read_write.c:1014 SYSC_readv fs/read_write.c:1101 [inline] SyS_readv+0x28/0x30 fs/read_write.c:1098 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x459a59 RSP: 002b:00007f4642f84c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000013 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a59 RDX: 0000000000000001 RSI: 0000000020000200 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4642f856d4 R13: 00000000004c6fe7 R14: 00000000004dcba8 R15: 00000000ffffffff net_ratelimit: 16 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 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_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: 'loop3' (ffff8880a4a30f60): kobject_uevent_env kobject: 'loop3' (ffff8880a4a30f60): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a30f60): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop3' (ffff8880a4a30f60): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a30f60): kobject_uevent_env kobject: 'loop3' (ffff8880a4a30f60): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'brif' (ffff8880a4d60380): kobject_cleanup, parent ffff888056a8d9b0 kobject: 'brif' (ffff8880a4d60380): auto cleanup kobject_del kobject: 'brif' (ffff8880a4d60380): calling ktype release kobject: (ffff8880a4d60380): dynamic_kobj_release kobject: 'brif': free name kobject: 'batman_adv' (ffff88808d503100): kobject_uevent_env kobject: 'batman_adv' (ffff88808d503100): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (ffff88808d503100): kobject_cleanup, parent (null) kobject: 'batman_adv' (ffff88808d503100): calling ktype release kobject: (ffff88808d503100): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'rx-0' (ffff88807b1a4cd0): kobject_cleanup, parent ffff88809f99af48 kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff88807b1a4cd0): auto cleanup 'remove' event kobject: 'rx-0' (ffff88807b1a4cd0): kobject_uevent_env kobject: 'rx-0' (ffff88807b1a4cd0): fill_kobj_path: path = '/devices/virtual/net/þ€/queues/rx-0' kobject: 'rx-0' (ffff88807b1a4cd0): auto cleanup kobject_del kobject: 'rx-0' (ffff88807b1a4cd0): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff8880a5c252d8): kobject_cleanup, parent ffff88809f99af48 kobject: 'tx-0' (ffff8880a5c252d8): auto cleanup 'remove' event kobject: 'tx-0' (ffff8880a5c252d8): kobject_uevent_env kobject: 'tx-0' (ffff8880a5c252d8): fill_kobj_path: path = '/devices/virtual/net/þ€/queues/tx-0' kobject: 'tx-0' (ffff8880a5c252d8): auto cleanup kobject_del kobject: 'tx-0' (ffff8880a5c252d8): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff88809f99af48): kobject_cleanup, parent (null) kobject: 'queues' (ffff88809f99af48): calling ktype release kobject: 'queues' (ffff88809f99af48): kset_release kobject: 'queues': free name kobject: 'þ€' (ffff888056a8d9b0): kobject_uevent_env kobject: 'þ€' (ffff888056a8d9b0): fill_kobj_path: path = '/devices/virtual/net/þ€' kobject: 'loop3' (ffff8880a4a30f60): kobject_uevent_env kobject: 'loop3' (ffff8880a4a30f60): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'þ€' (ffff888056a8d9b0): kobject_cleanup, parent (null) kobject: 'þ€' (ffff888056a8d9b0): calling ktype release kobject: 'þ€': free name kobject: 'þ€' (ffff888083ee08f0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'þ€' (ffff888083ee08f0): kobject_uevent_env kobject: 'þ€' (ffff888083ee08f0): fill_kobj_path: path = '/devices/virtual/net/þ€' kobject: 'queues' (ffff88809c287048): kobject_add_internal: parent: 'þ€', set: '' kobject: 'queues' (ffff88809c287048): kobject_uevent_env kobject: 'queues' (ffff88809c287048): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff88809c619010): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88809c619010): kobject_uevent_env kobject: 'rx-0' (ffff88809c619010): fill_kobj_path: path = '/devices/virtual/net/þ€/queues/rx-0' kobject: 'tx-0' (ffff88809e927a58): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff88809e927a58): kobject_uevent_env kobject: 'tx-0' (ffff88809e927a58): fill_kobj_path: path = '/devices/virtual/net/þ€/queues/tx-0' kobject: 'brif' (ffff88808bca2180): kobject_add_internal: parent: 'þ€', set: '' kobject: 'batman_adv' (ffff8880a608b480): kobject_add_internal: parent: 'þ€', set: '' kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a30f60): kobject_uevent_env kobject: 'loop3' (ffff8880a4a30f60): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff8880908bc250): kobject_cleanup, parent ffff88804ff19d48 kobject: 'loop3' (ffff8880a4a30f60): kobject_uevent_env kobject: 'loop3' (ffff8880a4a30f60): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (ffff8880908bc250): auto cleanup 'remove' event kobject: 'rx-0' (ffff8880908bc250): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'rx-0' (ffff8880908bc250): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff8880908bc250): auto cleanup kobject_del kobject: 'rx-0' (ffff8880908bc250): calling ktype release kobject: 'rx-0': free name kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'tx-0' (ffff8880a8a60a58): kobject_cleanup, parent ffff88804ff19d48 kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (ffff8880a8a60a58): auto cleanup 'remove' event kobject: 'tx-0' (ffff8880a8a60a58): kobject_uevent_env kobject: 'tx-0' (ffff8880a8a60a58): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'tx-0' (ffff8880a8a60a58): auto cleanup kobject_del kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (ffff8880a8a60a58): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff88804ff19d48): kobject_cleanup, parent (null) kobject: 'queues' (ffff88804ff19d48): calling ktype release kobject: 'queues' (ffff88804ff19d48): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (ffff88805ce706f0): kobject_uevent_env kobject: 'ip6gre0' (ffff88805ce706f0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a30f60): kobject_uevent_env kobject: 'loop3' (ffff8880a4a30f60): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'ip6gre0' (ffff88805ce706f0): kobject_cleanup, parent (null) kobject: 'ip6gre0' (ffff88805ce706f0): calling ktype release kobject: 'ip6gre0': free name kobject: 'rx-0' (ffff8880908bc0d0): kobject_cleanup, parent ffff8880990f2048 kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff8880908bc0d0): auto cleanup 'remove' event kobject: 'rx-0' (ffff8880908bc0d0): kobject_uevent_env kobject: 'rx-0' (ffff8880908bc0d0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff8880908bc0d0): auto cleanup kobject_del kobject: 'rx-0' (ffff8880908bc0d0): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff8880903c1c98): kobject_cleanup, parent ffff8880990f2048 kobject: 'tx-0' (ffff8880903c1c98): auto cleanup 'remove' event kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (ffff8880903c1c98): kobject_uevent_env kobject: 'tx-0' (ffff8880903c1c98): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (ffff8880903c1c98): auto cleanup kobject_del kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'tx-0' (ffff8880903c1c98): calling ktype release kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0': free name kobject: 'queues' (ffff8880990f2048): kobject_cleanup, parent (null) kobject: 'queues' (ffff8880990f2048): calling ktype release kobject: 'queues' (ffff8880990f2048): kset_release kobject: 'queues': free name kobject: 'ip6tnl0' (ffff88805b5b13f0): kobject_uevent_env kobject: 'ip6tnl0' (ffff88805b5b13f0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a30f60): kobject_uevent_env kobject: 'ip6tnl0' (ffff88805b5b13f0): kobject_cleanup, parent (null) kobject: 'loop3' (ffff8880a4a30f60): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'ip6tnl0' (ffff88805b5b13f0): calling ktype release kobject: 'loop2' (ffff8880a49e8660): kobject_uevent_env kobject: 'ip6tnl0': free name kobject: 'loop2' (ffff8880a49e8660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (ffff8880a58790d0): kobject_cleanup, parent ffff8880990f2348 kobject: 'rx-0' (ffff8880a58790d0): auto cleanup 'remove' event kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'rx-0' (ffff8880a58790d0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff8880a58790d0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'rx-0' (ffff8880a58790d0): auto cleanup kobject_del kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff8880a58790d0): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff88805cd14598): kobject_cleanup, parent ffff8880990f2348 kobject: 'tx-0' (ffff88805cd14598): auto cleanup 'remove' event kobject: 'tx-0' (ffff88805cd14598): kobject_uevent_env kobject: 'tx-0' (ffff88805cd14598): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'tx-0' (ffff88805cd14598): auto cleanup kobject_del kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (ffff88805cd14598): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff8880990f2348): kobject_cleanup, parent (null) kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'queues' (ffff8880990f2348): calling ktype release kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues' (ffff8880990f2348): kset_release kobject: 'queues': free name kobject: 'sit0' (ffff88805c0451f0): kobject_uevent_env kobject: 'sit0' (ffff88805c0451f0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'sit0' (ffff88805c0451f0): kobject_cleanup, parent (null) kobject: 'sit0' (ffff88805c0451f0): calling ktype release kobject: 'sit0': free name kobject: 'rx-0' (ffff8880a5879190): kobject_cleanup, parent ffff8880990f2648 kobject: 'loop3' (ffff8880a4a30f60): kobject_uevent_env kobject: 'rx-0' (ffff8880a5879190): auto cleanup 'remove' event kobject: 'loop3' (ffff8880a4a30f60): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (ffff8880a5879190): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'rx-0' (ffff8880a5879190): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff8880a5879190): auto cleanup kobject_del kobject: 'loop2' (ffff8880a49e8660): kobject_uevent_env kobject: 'loop2' (ffff8880a49e8660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (ffff8880a5879190): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff88805d184518): kobject_cleanup, parent ffff8880990f2648 kobject: 'loop3' (ffff8880a4a30f60): kobject_uevent_env kobject: 'tx-0' (ffff88805d184518): auto cleanup 'remove' event kobject: 'tx-0' (ffff88805d184518): kobject_uevent_env kobject: 'loop3' (ffff8880a4a30f60): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (ffff88805d184518): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'tx-0' (ffff88805d184518): auto cleanup kobject_del kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (ffff88805d184518): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff8880990f2648): kobject_cleanup, parent (null) kobject: 'queues' (ffff8880990f2648): calling ktype release kobject: 'queues' (ffff8880990f2648): kset_release kobject: 'queues': free name kobject: 'ip6_vti0' (ffff88803c4d4ff0): kobject_uevent_env kobject: 'ip6_vti0' (ffff88803c4d4ff0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop2' (ffff8880a49e8660): kobject_uevent_env kobject: 'ip6_vti0' (ffff88803c4d4ff0): kobject_cleanup, parent (null) kobject: 'loop2' (ffff8880a49e8660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'ip6_vti0' (ffff88803c4d4ff0): calling ktype release kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'ip6_vti0': free name kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'rx-0' (ffff8880a5879e50): kobject_cleanup, parent ffff8880990f2948 kobject: 'rx-0' (ffff8880a5879e50): auto cleanup 'remove' event kobject: 'rx-0' (ffff8880a5879e50): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff8880a5879e50): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (ffff8880a5879e50): auto cleanup kobject_del kobject: 'loop2' (ffff8880a49e8660): kobject_uevent_env kobject: 'loop2' (ffff8880a49e8660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (ffff8880a5879e50): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff8880a5750098): kobject_cleanup, parent ffff8880990f2948 kobject: 'tx-0' (ffff8880a5750098): auto cleanup 'remove' event kobject: 'tx-0' (ffff8880a5750098): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'tx-0' (ffff8880a5750098): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (ffff8880a5750098): auto cleanup kobject_del kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (ffff8880a5750098): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff8880990f2948): kobject_cleanup, parent (null) kobject: 'queues' (ffff8880990f2948): calling ktype release kobject: 'queues' (ffff8880990f2948): kset_release kobject: 'queues': free name kobject: 'ip_vti0' (ffff88803c58adb0): kobject_uevent_env kobject: 'ip_vti0' (ffff88803c58adb0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip_vti0' (ffff88803c58adb0): kobject_cleanup, parent (null) kobject: 'ip_vti0' (ffff88803c58adb0): calling ktype release kobject: 'ip_vti0': free name kobject: 'batman_adv' (ffff8880950dbc80): kobject_uevent_env kobject: 'batman_adv' (ffff8880950dbc80): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (ffff8880950dbc80): kobject_cleanup, parent (null) kobject: 'batman_adv' (ffff8880950dbc80): calling ktype release kobject: (ffff8880950dbc80): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (ffff88809152d250): kobject_cleanup, parent ffff8880990f2d48 kobject: 'rx-0' (ffff88809152d250): auto cleanup 'remove' event kobject: 'rx-0' (ffff88809152d250): kobject_uevent_env kobject: 'rx-0' (ffff88809152d250): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (ffff88809152d250): auto cleanup kobject_del kobject: 'rx-0' (ffff88809152d250): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff8880779d57d8): kobject_cleanup, parent ffff8880990f2d48 kobject: 'tx-0' (ffff8880779d57d8): auto cleanup 'remove' event kobject: 'tx-0' (ffff8880779d57d8): kobject_uevent_env kobject: 'tx-0' (ffff8880779d57d8): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (ffff8880779d57d8): auto cleanup kobject_del kobject: 'tx-0' (ffff8880779d57d8): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff8880990f2d48): kobject_cleanup, parent (null) kobject: 'queues' (ffff8880990f2d48): calling ktype release kobject: 'queues' (ffff8880990f2d48): kset_release kobject: 'queues': free name kobject: 'erspan0' (ffff888082720bb0): kobject_uevent_env kobject: 'erspan0' (ffff888082720bb0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (ffff8880a4a30f60): kobject_uevent_env kobject: 'erspan0' (ffff888082720bb0): kobject_cleanup, parent (null) kobject: 'loop3' (ffff8880a4a30f60): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'erspan0' (ffff888082720bb0): calling ktype release kobject: 'erspan0': free name kobject: 'batman_adv' (ffff88808b4e5000): kobject_uevent_env kobject: 'batman_adv' (ffff88808b4e5000): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (ffff88808b4e5000): kobject_cleanup, parent (null) kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'batman_adv' (ffff88808b4e5000): calling ktype release kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: (ffff88808b4e5000): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (ffff88809152d490): kobject_cleanup, parent ffff88808ff54148 kobject: 'rx-0' (ffff88809152d490): auto cleanup 'remove' event kobject: 'rx-0' (ffff88809152d490): kobject_uevent_env kobject: 'rx-0' (ffff88809152d490): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff88809152d490): auto cleanup kobject_del kobject: 'rx-0' (ffff88809152d490): calling ktype release kobject: 'rx-0': free name kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (ffff888042e750d8): kobject_cleanup, parent ffff88808ff54148 kobject: 'tx-0' (ffff888042e750d8): auto cleanup 'remove' event kobject: 'tx-0' (ffff888042e750d8): kobject_uevent_env kobject: 'tx-0' (ffff888042e750d8): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (ffff888042e750d8): auto cleanup kobject_del kobject: 'tx-0' (ffff888042e750d8): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff88808ff54148): kobject_cleanup, parent (null) kobject: 'queues' (ffff88808ff54148): calling ktype release kobject: 'queues' (ffff88808ff54148): kset_release kobject: 'queues': free name kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'gretap0' (ffff88803f24e9b0): kobject_uevent_env kobject: 'gretap0' (ffff88803f24e9b0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'gretap0' (ffff88803f24e9b0): kobject_cleanup, parent (null) kobject: 'gretap0' (ffff88803f24e9b0): calling ktype release kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'gretap0': free name kobject: 'rx-0' (ffff8880a973a190): kobject_cleanup, parent ffff88808ff54348 kobject: 'loop2' (ffff8880a49e8660): kobject_uevent_env kobject: 'loop2' (ffff8880a49e8660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (ffff8880a973a190): auto cleanup 'remove' event kobject: 'rx-0' (ffff8880a973a190): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'rx-0' (ffff8880a973a190): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff8880a973a190): auto cleanup kobject_del kobject: 'rx-0' (ffff8880a973a190): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff8880a5b62a18): kobject_cleanup, parent ffff88808ff54348 kobject: 'tx-0' (ffff8880a5b62a18): auto cleanup 'remove' event kobject: 'tx-0' (ffff8880a5b62a18): kobject_uevent_env kobject: 'tx-0' (ffff8880a5b62a18): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (ffff8880a5b62a18): auto cleanup kobject_del kobject: 'tx-0' (ffff8880a5b62a18): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff88808ff54348): kobject_cleanup, parent (null) kobject: 'queues' (ffff88808ff54348): calling ktype release kobject: 'queues' (ffff88808ff54348): kset_release net_ratelimit: 24 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 kobject: 'queues': free name protocol 88fb is buggy, dev hsr_slave_1 kobject: 'gre0' (ffff88805c3e5370): kobject_uevent_env kobject: 'gre0' (ffff88805c3e5370): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'gre0' (ffff88805c3e5370): kobject_cleanup, parent (null) kobject: 'gre0' (ffff88805c3e5370): calling ktype release kobject: 'loop3' (ffff8880a4a30f60): kobject_uevent_env kobject: 'gre0': free name kobject: 'rx-0' (ffff8880805d0610): kobject_cleanup, parent ffff88808ff54648 kobject: 'loop3' (ffff8880a4a30f60): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (ffff8880805d0610): auto cleanup 'remove' event kobject: 'rx-0' (ffff8880805d0610): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff8880805d0610): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (ffff8880805d0610): auto cleanup kobject_del kobject: 'rx-0' (ffff8880805d0610): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff8880a9004318): kobject_cleanup, parent ffff88808ff54648 kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (ffff8880a9004318): auto cleanup 'remove' event kobject: 'tx-0' (ffff8880a9004318): kobject_uevent_env kobject: 'tx-0' (ffff8880a9004318): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (ffff8880a9004318): auto cleanup kobject_del kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'tx-0' (ffff8880a9004318): calling ktype release kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0': free name kobject: 'queues' (ffff88808ff54648): kobject_cleanup, parent (null) kobject: 'queues' (ffff88808ff54648): calling ktype release kobject: 'queues' (ffff88808ff54648): kset_release kobject: 'queues': free name kobject: 'tunl0' (ffff88805c38c970): kobject_uevent_env kobject: 'tunl0' (ffff88805c38c970): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tunl0' (ffff88805c38c970): kobject_cleanup, parent (null) kobject: 'tunl0' (ffff88805c38c970): calling ktype release kobject: 'loop2' (ffff8880a49e8660): kobject_uevent_env kobject: 'tunl0': free name kobject: 'loop2' (ffff8880a49e8660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'rx-0' (ffff88809b455d90): kobject_cleanup, parent ffff88807396c048 kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff88809b455d90): auto cleanup 'remove' event kobject: 'rx-0' (ffff88809b455d90): kobject_uevent_env kobject: 'rx-0' (ffff88809b455d90): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (ffff88809b455d90): auto cleanup kobject_del kobject: 'rx-0' (ffff88809b455d90): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff8880a1921cd8): kobject_cleanup, parent ffff88807396c048 kobject: 'tx-0' (ffff8880a1921cd8): auto cleanup 'remove' event kobject: 'tx-0' (ffff8880a1921cd8): kobject_uevent_env kobject: 'tx-0' (ffff8880a1921cd8): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (ffff8880a1921cd8): auto cleanup kobject_del kobject: 'tx-0' (ffff8880a1921cd8): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff88807396c048): kobject_cleanup, parent (null) kobject: 'queues' (ffff88807396c048): calling ktype release kobject: 'queues' (ffff88807396c048): kset_release kobject: 'queues': free name kobject: 'lo' (ffff88805bf245b0): kobject_uevent_env kobject: 'lo' (ffff88805bf245b0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (ffff8880a4a30f60): kobject_uevent_env kobject: 'loop3' (ffff8880a4a30f60): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'lo' (ffff88805bf245b0): kobject_cleanup, parent (null) kobject: 'lo' (ffff88805bf245b0): calling ktype release kobject: 'lo': free name kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a30f60): kobject_uevent_env kobject: 'loop3' (ffff8880a4a30f60): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a49e8660): kobject_uevent_env kobject: 'loop2' (ffff8880a49e8660): fill_kobj_path: path = '/devices/virtual/block/loop2' protocol 88fb is buggy, dev hsr_slave_0 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: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a49e8660): kobject_uevent_env kobject: 'loop2' (ffff8880a49e8660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a49e8660): kobject_uevent_env kobject: 'loop2' (ffff8880a49e8660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4a30f60): kobject_uevent_env kobject: 'loop3' (ffff8880a4a30f60): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a49e8660): kobject_uevent_env kobject: 'loop2' (ffff8880a49e8660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a30f60): kobject_uevent_env kobject: 'loop3' (ffff8880a4a30f60): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4ae29e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae29e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a49e8660): kobject_uevent_env kobject: 'loop2' (ffff8880a49e8660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4ae29e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae29e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4a30f60): kobject_uevent_env kobject: 'loop3' (ffff8880a4a30f60): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a49e8660): kobject_uevent_env kobject: 'loop2' (ffff8880a49e8660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4ae29e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae29e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a30f60): kobject_uevent_env kobject: 'loop3' (ffff8880a4a30f60): fill_kobj_path: path = '/devices/virtual/block/loop3'