ptrace attach of "/root/syz-executor.1"[7324] was attempted by "/root/syz-executor.1"[7325] ====================================================== WARNING: possible circular locking dependency detected 4.14.151 #0 Not tainted ------------------------------------------------------ syz-executor.5/7328 is trying to acquire lock: (event_mutex){+.+.}, at: [] perf_trace_init+0x58/0xaa0 kernel/trace/trace_event_perf.c:216 but task is already holding lock: (&cpuctx_mutex/1){+.+.}, at: [] perf_event_ctx_lock_nested+0x150/0x2c0 kernel/events/core.c:1235 kobject: 'loop3' (ffff8880a4a6e6e0): kobject_uevent_env which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #5 (&cpuctx_mutex/1){+.+.}: 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 mutex_lock_double kernel/events/core.c:9904 [inline] __perf_event_ctx_lock_double kernel/events/core.c:9963 [inline] SYSC_perf_event_open+0x134c/0x2690 kernel/events/core.c:10225 SyS_perf_event_open+0x34/0x40 kernel/events/core.c:9983 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 kobject: 'loop3' (ffff8880a4a6e6e0): fill_kobj_path: path = '/devices/virtual/block/loop3' entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #4 kobject: 'loop1' (ffff8880a49bcea0): kobject_uevent_env (&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 kobject: 'loop1' (ffff8880a49bcea0): fill_kobj_path: path = '/devices/virtual/block/loop1' 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:399 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:380 kobject: 'loop4' (ffff8880a4aba960): kobject_uevent_env secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:240 -> #3 kobject: 'loop4' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop4' (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 -> #2 (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 -> #1 (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 -> #0 (event_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_trace_init+0x58/0xaa0 kernel/trace/trace_event_perf.c:216 perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:8106 perf_try_init_event+0xe6/0x200 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 other info that might help us debug this: Chain exists of: event_mutex --> &cpuctx_mutex --> &cpuctx_mutex/1 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&cpuctx_mutex/1); lock(&cpuctx_mutex); lock(&cpuctx_mutex/1); lock(event_mutex); *** DEADLOCK *** 2 locks held by syz-executor.5/7328: #0: (&pmus_srcu){....}, at: [] perf_event_alloc.part.0+0xbaa/0x25b0 kernel/events/core.c:9636 #1: (&cpuctx_mutex/1){+.+.}, at: [] perf_event_ctx_lock_nested+0x150/0x2c0 kernel/events/core.c:1235 stack backtrace: CPU: 1 PID: 7328 Comm: syz-executor.5 Not tainted 4.14.151 #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_trace_init+0x58/0xaa0 kernel/trace/trace_event_perf.c:216 perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:8106 perf_try_init_event+0xe6/0x200 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 RIP: 0033:0x45a219 RSP: 002b:00007fcc75dfdc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a219 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000020000000 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 00007fcc75dfe6d4 R13: 00000000004c75e4 R14: 00000000004dd368 R15: 00000000ffffffff kobject: 'loop2' (ffff8880a49ff7a0): kobject_uevent_env kobject: 'loop2' (ffff8880a49ff7a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (ffff888219805690): kobject_uevent_env kobject: 'kvm' (ffff888219805690): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (ffff8880a4962e20): kobject_uevent_env kobject: 'loop0' (ffff8880a4962e20): fill_kobj_path: path = '/devices/virtual/block/loop0' kvm: pic: single mode not supported kvm: pic: non byte read kobject: 'loop5' (ffff8880a4b51260): kobject_uevent_env kvm: pic: non byte write kvm: pic: level sensitive irq not supported kvm: pic: non byte read kobject: 'loop5' (ffff8880a4b51260): fill_kobj_path: path = '/devices/virtual/block/loop5' kvm: pic: non byte write kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kvm: pic: non byte read kobject: 'loop3' (ffff8880a4a6e6e0): kobject_uevent_env kvm: pic: non byte write kobject: 'loop3' (ffff8880a4a6e6e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kobject: 'loop4' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop4' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop4' kvm: pic: non byte read kobject: 'loop0' (ffff8880a4962e20): kobject_uevent_env kobject: 'loop0' (ffff8880a4962e20): fill_kobj_path: path = '/devices/virtual/block/loop0' kvm: pic: non byte write kobject: 'loop1' (ffff8880a49bcea0): kobject_uevent_env kobject: 'loop1' (ffff8880a49bcea0): fill_kobj_path: path = '/devices/virtual/block/loop1' kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kobject: 'þ€' (ffff88805ef954f0): kobject_add_internal: parent: 'net', set: 'devices' kvm: pic: non byte read kobject: 'þ€' (ffff88805ef954f0): kobject_uevent_env kobject: 'þ€' (ffff88805ef954f0): fill_kobj_path: path = '/devices/virtual/net/þ€' kvm: pic: non byte write kobject: 'queues' (ffff8880a8ebd148): kobject_add_internal: parent: 'þ€', set: '' kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kvm: pic: non byte read kvm: pic: non byte write kobject: 'queues' (ffff8880a8ebd148): kobject_uevent_env kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kobject: 'queues' (ffff8880a8ebd148): kobject_uevent_env: filter function caused the event to drop! kvm: pic: non byte read kobject: 'rx-0' (ffff88809b6a8a90): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88809b6a8a90): kobject_uevent_env kobject: 'rx-0' (ffff88809b6a8a90): fill_kobj_path: path = '/devices/virtual/net/þ€/queues/rx-0' kvm: pic: non byte write kobject: 'tx-0' (ffff888099504858): kobject_add_internal: parent: 'queues', set: 'queues' kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kobject: 'tx-0' (ffff888099504858): kobject_uevent_env kvm: pic: non byte read kobject: 'tx-0' (ffff888099504858): fill_kobj_path: path = '/devices/virtual/net/þ€/queues/tx-0' kvm: pic: non byte write kobject: 'brif' (ffff88809b530280): kobject_add_internal: parent: 'þ€', set: '' kobject: 'batman_adv' (ffff88809b530200): kobject_add_internal: parent: 'þ€', set: '' audit: type=1400 audit(1572908351.472:40): avc: denied { create } for pid=7358 comm="syz-executor.1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 kobject: 'loop0' (ffff8880a4962e20): kobject_uevent_env kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kobject: 'loop0' (ffff8880a4962e20): fill_kobj_path: path = '/devices/virtual/block/loop0' kvm: pic: non byte read kvm: pic: non byte write kobject: 'loop4' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop4' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop4' audit: type=1400 audit(1572908351.502:41): avc: denied { write } for pid=7358 comm="syz-executor.1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 kobject: 'loop5' (ffff8880a4b51260): kobject_uevent_env kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kobject: 'loop5' (ffff8880a4b51260): fill_kobj_path: path = '/devices/virtual/block/loop5' kvm: pic: non byte read kobject: 'loop4' (ffff8880a4aba960): kobject_uevent_env kvm: pic: non byte write kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kobject: 'loop4' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop4' audit: type=1400 audit(1572908351.512:42): avc: denied { read } for pid=7358 comm="syz-executor.1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 kobject: 'loop1' (ffff8880a49bcea0): kobject_uevent_env kobject: 'kvm' (ffff888219805690): kobject_uevent_env kobject: 'loop1' (ffff8880a49bcea0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (ffff888219805690): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219805690): kobject_uevent_env kobject: 'kvm' (ffff888219805690): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219805690): kobject_uevent_env kobject: 'kvm' (ffff888219805690): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (ffff8880a4a6e6e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6e6e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a49ff7a0): kobject_uevent_env kobject: 'loop2' (ffff8880a49ff7a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (ffff888219805690): kobject_uevent_env kobject: 'loop0' (ffff8880a4962e20): kobject_uevent_env kobject: 'loop0' (ffff8880a4962e20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (ffff888219805690): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop4' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4aba960): kobject_uevent_env kobject: 'brif' (ffff88809b530280): kobject_cleanup, parent ffff88805ef954f0 kobject: 'brif' (ffff88809b530280): auto cleanup kobject_del kobject: 'brif' (ffff88809b530280): calling ktype release kobject: 'loop4' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: (ffff88809b530280): dynamic_kobj_release kobject: 'brif': free name kobject: 'batman_adv' (ffff88809b530200): kobject_uevent_env kobject: 'batman_adv' (ffff88809b530200): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (ffff88809b530200): kobject_cleanup, parent (null) kobject: 'loop5' (ffff8880a4b51260): kobject_uevent_env kobject: 'batman_adv' (ffff88809b530200): calling ktype release kobject: (ffff88809b530200): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'loop5' (ffff8880a4b51260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (ffff888219805690): kobject_uevent_env kobject: 'kvm' (ffff888219805690): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4aba960): kobject_uevent_env kobject: 'rx-0' (ffff88809b6a8a90): kobject_cleanup, parent ffff8880a8ebd148 kobject: 'loop4' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff88809b6a8a90): auto cleanup 'remove' event kobject: 'loop0' (ffff8880a4962e20): kobject_uevent_env kobject: 'rx-0' (ffff88809b6a8a90): kobject_uevent_env kobject: 'loop0' (ffff8880a4962e20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4b51260): kobject_uevent_env kobject: 'rx-0' (ffff88809b6a8a90): fill_kobj_path: path = '/devices/virtual/net/þ€/queues/rx-0' kobject: 'loop5' (ffff8880a4b51260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (ffff88809b6a8a90): auto cleanup kobject_del kobject: 'rx-0' (ffff88809b6a8a90): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff888099504858): kobject_cleanup, parent ffff8880a8ebd148 kobject: 'loop3' (ffff8880a4a6e6e0): kobject_uevent_env kobject: 'tx-0' (ffff888099504858): auto cleanup 'remove' event kobject: 'tx-0' (ffff888099504858): kobject_uevent_env kobject: 'tx-0' (ffff888099504858): fill_kobj_path: path = '/devices/virtual/net/þ€/queues/tx-0' kobject: 'loop3' (ffff8880a4a6e6e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (ffff888099504858): auto cleanup kobject_del kobject: 'tx-0' (ffff888099504858): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff8880a8ebd148): kobject_cleanup, parent (null) kobject: 'queues' (ffff8880a8ebd148): calling ktype release kobject: 'queues' (ffff8880a8ebd148): kset_release kobject: 'queues': free name kobject: 'þ€' (ffff88805ef954f0): kobject_uevent_env kobject: 'þ€' (ffff88805ef954f0): fill_kobj_path: path = '/devices/virtual/net/þ€' kobject: 'loop4' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop4' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'þ€' (ffff88805ef954f0): kobject_cleanup, parent (null) kobject: 'þ€' (ffff88805ef954f0): calling ktype release kobject: 'þ€': free name kobject: 'loop1' (ffff8880a49bcea0): kobject_uevent_env kobject: 'loop1' (ffff8880a49bcea0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a49ff7a0): kobject_uevent_env kobject: 'loop2' (ffff8880a49ff7a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (ffff888219805690): kobject_uevent_env kobject: 'kvm' (ffff888219805690): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop4' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (ffff888219805690): kobject_uevent_env kobject: 'kvm' (ffff888219805690): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (ffff8880a4962e20): kobject_uevent_env kobject: 'loop0' (ffff8880a4962e20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop4' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'þ€' (ffff88805e519530): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'þ€' (ffff88805e519530): kobject_uevent_env kobject: 'þ€' (ffff88805e519530): fill_kobj_path: path = '/devices/virtual/net/þ€' kobject: 'queues' (ffff8880a8ebd648): kobject_add_internal: parent: 'þ€', set: '' kobject: 'queues' (ffff8880a8ebd648): kobject_uevent_env kobject: 'queues' (ffff8880a8ebd648): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff88809bb8b250): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88809bb8b250): kobject_uevent_env kobject: 'rx-0' (ffff88809bb8b250): fill_kobj_path: path = '/devices/virtual/net/þ€/queues/rx-0' kobject: 'tx-0' (ffff888099b6c058): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff888099b6c058): kobject_uevent_env kobject: 'tx-0' (ffff888099b6c058): fill_kobj_path: path = '/devices/virtual/net/þ€/queues/tx-0' kobject: 'brif' (ffff888090b87e80): kobject_add_internal: parent: 'þ€', set: '' kobject: 'batman_adv' (ffff888090b87e00): kobject_add_internal: parent: 'þ€', set: '' kobject: 'loop0' (ffff8880a4962e20): kobject_uevent_env kobject: 'loop0' (ffff8880a4962e20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (ffff888219805690): kobject_uevent_env kobject: 'kvm' (ffff888219805690): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop4' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4b51260): kobject_uevent_env pic_ioport_write: 50 callbacks suppressed kvm: pic: single mode not supported kobject: 'loop5' (ffff8880a4b51260): fill_kobj_path: path = '/devices/virtual/block/loop5' picdev_read: 53 callbacks suppressed kvm: pic: non byte read kobject: 'loop0' (ffff8880a4962e20): kobject_uevent_env kobject: 'loop0' (ffff8880a4962e20): fill_kobj_path: path = '/devices/virtual/block/loop0' picdev_write: 53 callbacks suppressed kvm: pic: non byte write kobject: 'loop4' (ffff8880a4aba960): kobject_uevent_env pic_ioport_write: 50 callbacks suppressed kvm: pic: level sensitive irq not supported kobject: 'loop4' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop4' kvm: pic: non byte read kobject: 'loop3' (ffff8880a4a6e6e0): kobject_uevent_env kvm: pic: non byte write kobject: 'loop3' (ffff8880a4a6e6e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kvm: pic: non byte read kvm: pic: non byte write kobject: 'loop2' (ffff8880a49ff7a0): kobject_uevent_env kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kvm: pic: non byte read kobject: 'loop2' (ffff8880a49ff7a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kvm: pic: non byte write kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kobject: 'loop0' (ffff8880a4962e20): kobject_uevent_env kobject: 'brif' (ffff888090b87e80): kobject_cleanup, parent ffff88805e519530 kobject: 'brif' (ffff888090b87e80): auto cleanup kobject_del kvm: pic: non byte read kobject: 'brif' (ffff888090b87e80): calling ktype release kobject: (ffff888090b87e80): dynamic_kobj_release kobject: 'brif': free name kvm: pic: non byte write kobject: 'batman_adv' (ffff888090b87e00): kobject_uevent_env kobject: 'batman_adv' (ffff888090b87e00): kobject_uevent_env: filter function caused the event to drop! kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kobject: 'batman_adv' (ffff888090b87e00): kobject_cleanup, parent (null) kvm: pic: non byte read kvm: pic: non byte write kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kvm: pic: non byte read kobject: 'batman_adv' (ffff888090b87e00): calling ktype release kvm: pic: non byte write kobject: (ffff888090b87e00): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'loop0' (ffff8880a4962e20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4b51260): kobject_uevent_env kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kobject: 'loop5' (ffff8880a4b51260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (ffff88809bb8b250): kobject_cleanup, parent ffff8880a8ebd648 kvm: pic: non byte read kobject: 'rx-0' (ffff88809bb8b250): auto cleanup 'remove' event kvm: pic: non byte write kobject: 'rx-0' (ffff88809bb8b250): kobject_uevent_env kobject: 'rx-0' (ffff88809bb8b250): fill_kobj_path: path = '/devices/virtual/net/þ€/queues/rx-0' kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kobject: 'rx-0' (ffff88809bb8b250): auto cleanup kobject_del kvm: pic: non byte read kobject: 'rx-0' (ffff88809bb8b250): calling ktype release kvm: pic: non byte write kobject: 'rx-0': free name kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kobject: 'tx-0' (ffff888099b6c058): kobject_cleanup, parent ffff8880a8ebd648 kobject: 'tx-0' (ffff888099b6c058): auto cleanup 'remove' event kvm: pic: non byte read kobject: 'tx-0' (ffff888099b6c058): kobject_uevent_env kobject: 'tx-0' (ffff888099b6c058): fill_kobj_path: path = '/devices/virtual/net/þ€/queues/tx-0' kobject: 'tx-0' (ffff888099b6c058): auto cleanup kobject_del kvm: pic: non byte write kobject: 'tx-0' (ffff888099b6c058): calling ktype release kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kobject: 'tx-0': free name kobject: 'queues' (ffff8880a8ebd648): kobject_cleanup, parent (null) kobject: 'queues' (ffff8880a8ebd648): calling ktype release kobject: 'queues' (ffff8880a8ebd648): kset_release kobject: 'kvm' (ffff888219805690): kobject_uevent_env kobject: 'queues': free name kobject: 'kvm' (ffff888219805690): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'þ€' (ffff88805e519530): kobject_uevent_env kobject: 'þ€' (ffff88805e519530): fill_kobj_path: path = '/devices/virtual/net/þ€' kobject: 'loop1' (ffff8880a49bcea0): kobject_uevent_env kobject: 'loop1' (ffff8880a49bcea0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a49ff7a0): kobject_uevent_env kobject: 'loop2' (ffff8880a49ff7a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'þ€' (ffff88805e519530): kobject_cleanup, parent (null) kobject: 'þ€' (ffff88805e519530): calling ktype release kobject: 'þ€': free name kobject: 'loop0' (ffff8880a4962e20): kobject_uevent_env kobject: 'loop0' (ffff8880a4962e20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4b51260): kobject_uevent_env kobject: 'loop5' (ffff8880a4b51260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a49ff7a0): kobject_uevent_env kobject: 'loop2' (ffff8880a49ff7a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop4' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a6e6e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6e6e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a49bcea0): kobject_uevent_env kobject: 'loop1' (ffff8880a49bcea0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a4b51260): kobject_uevent_env kobject: 'loop5' (ffff8880a4b51260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'þ€' (ffff88805cd41570): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'þ€' (ffff88805cd41570): kobject_uevent_env kobject: 'þ€' (ffff88805cd41570): fill_kobj_path: path = '/devices/virtual/net/þ€' kobject: 'loop4' (ffff8880a4aba960): kobject_uevent_env kobject: 'queues' (ffff888090311b48): kobject_add_internal: parent: 'þ€', set: '' kobject: 'loop4' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues' (ffff888090311b48): kobject_uevent_env kobject: 'queues' (ffff888090311b48): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff8880972beb50): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff8880972beb50): kobject_uevent_env kobject: 'loop0' (ffff8880a4962e20): kobject_uevent_env kobject: 'rx-0' (ffff8880972beb50): fill_kobj_path: path = '/devices/virtual/net/þ€/queues/rx-0' kobject: 'tx-0' (ffff8880991522d8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff8880991522d8): kobject_uevent_env kobject: 'tx-0' (ffff8880991522d8): fill_kobj_path: path = '/devices/virtual/net/þ€/queues/tx-0' kobject: 'loop0' (ffff8880a4962e20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'brif' (ffff888096f0a980): kobject_add_internal: parent: 'þ€', set: '' kobject: 'loop0' (ffff8880a4962e20): kobject_uevent_env kobject: 'batman_adv' (ffff888096f0a900): kobject_add_internal: parent: 'þ€', set: '' kobject: 'loop0' (ffff8880a4962e20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4b51260): kobject_uevent_env kobject: 'loop5' (ffff8880a4b51260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a4b51260): kobject_uevent_env kobject: 'loop5' (ffff8880a4b51260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4aba960): kobject_uevent_env kobject: 'loop4' (ffff8880a4aba960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a49bcea0): kobject_uevent_env kobject: 'loop1' (ffff8880a49bcea0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a4b51260): kobject_uevent_env kobject: 'loop5' (ffff8880a4b51260): fill_kobj_path: path = '/devices/virtual/block/loop5'