kobject: 'kvm' (ffff8880a6dfe350): kobject_uevent_env ====================================================== WARNING: possible circular locking dependency detected 4.14.133 #28 Not tainted ------------------------------------------------------ kobject: 'kvm' (ffff8880a6dfe350): fill_kobj_path: path = '/devices/virtual/misc/kvm' syz-executor.5/23470 is trying to acquire lock: (&cpuctx_mutex/1){+.+.}, at: [] mutex_lock_double /kernel/events/core.c:9904 [inline] (&cpuctx_mutex/1){+.+.}, at: [] __perf_event_ctx_lock_double /kernel/events/core.c:9963 [inline] (&cpuctx_mutex/1){+.+.}, at: [] SYSC_perf_event_open+0x121f/0x24b0 /kernel/events/core.c:10225 but task is already holding lock: (&cpuctx_mutex){+.+.}, at: [] mutex_lock_double /kernel/events/core.c:9903 [inline] (&cpuctx_mutex){+.+.}, at: [] __perf_event_ctx_lock_double /kernel/events/core.c:9963 [inline] (&cpuctx_mutex){+.+.}, at: [] SYSC_perf_event_open+0x1212/0x24b0 /kernel/events/core.c:10225 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #5 (&cpuctx_mutex){+.+.}: kobject: 'kvm' (ffff8880a6dfe350): kobject_uevent_env lock_acquire+0x16f/0x430 /kernel/locking/lockdep.c:3991 __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 kobject: 'kvm' (ffff8880a6dfe350): fill_kobj_path: path = '/devices/virtual/misc/kvm' x86_64_start_reservations+0x29/0x2b /arch/x86/kernel/head64.c:380 x86_64_start_kernel+0x77/0x7b /arch/x86/kernel/head64.c:361 secondary_startup_64+0xa5/0xb0 /arch/x86/kernel/head_64.S:240 -> #4 (pmus_lock){+.+.}: lock_acquire+0x16f/0x430 /kernel/locking/lockdep.c:3991 __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 kobject: 'kvm' (ffff8880a6dfe350): kobject_uevent_env 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:3991 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 kobject: 'kvm' (ffff8880a6dfe350): fill_kobj_path: path = '/devices/virtual/misc/kvm' 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+0xd48/0x2530 /kernel/events/core.c:9640 perf_event_alloc /kernel/events/core.c:9993 [inline] SYSC_perf_event_open+0xa2d/0x24b0 /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:3991 __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+0xd48/0x2530 /kernel/events/core.c:9640 perf_event_alloc /kernel/events/core.c:9993 [inline] SYSC_perf_event_open+0xa2d/0x24b0 /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:3991 __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+0xd48/0x2530 /kernel/events/core.c:9640 perf_event_alloc /kernel/events/core.c:9993 [inline] SYSC_perf_event_open+0xa2d/0x24b0 /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 (&cpuctx_mutex/1){+.+.}: 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+0x2c89/0x45e0 /kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 /kernel/locking/lockdep.c:3991 __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+0x121f/0x24b0 /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 entry_SYSCALL_64_after_hwframe+0x42/0xb7 other info that might help us debug this: Chain exists of: &cpuctx_mutex/1 --> pmus_lock --> &cpuctx_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&cpuctx_mutex); lock(pmus_lock); lock(&cpuctx_mutex); lock(&cpuctx_mutex/1); *** DEADLOCK *** 1 lock held by syz-executor.5/23470: #0: (&cpuctx_mutex){+.+.}, at: [] mutex_lock_double /kernel/events/core.c:9903 [inline] #0: (&cpuctx_mutex){+.+.}, at: [] __perf_event_ctx_lock_double /kernel/events/core.c:9963 [inline] #0: (&cpuctx_mutex){+.+.}, at: [] SYSC_perf_event_open+0x1212/0x24b0 /kernel/events/core.c:10225 stack backtrace: CPU: 1 PID: 23470 Comm: syz-executor.5 Not tainted 4.14.133 #28 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+0x138/0x19c /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+0x2c89/0x45e0 /kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 /kernel/locking/lockdep.c:3991 __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+0x121f/0x24b0 /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 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x459819 RSP: 002b:00007f3b950adc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000459819 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000020000200 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000246 R12: 00007f3b950ae6d4 R13: 00000000004c6514 R14: 00000000004db2d8 R15: 00000000ffffffff kobject: 'loop3' (ffff8880a4a322a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a322a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (ffff8880a4a322a0): kobject_uevent_env kobject: 'loop0' (ffff88809f1eeda0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a322a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff88809f1eeda0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (ffff88809f1eeda0): kobject_uevent_env kobject: 'loop0' (ffff88809f1eeda0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4a8cba0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a8cba0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4a8cba0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a8cba0): fill_kobj_path: path = '/devices/virtual/block/loop4' EXT4-fs (sda1): DAX enabled. Warning: EXPERIMENTAL, use at your own risk EXT4-fs (sda1): warning: refusing change of dax flag with busy inodes while remounting EXT4-fs (sda1): re-mounted. Opts: dax, kobject: 'loop3' (ffff8880a4a322a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a322a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4ae2c20): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae2c20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff88809f1eeda0): kobject_uevent_env kobject: 'loop0' (ffff88809f1eeda0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (ffff8880a6dfe350): kobject_uevent_env kobject: 'kvm' (ffff8880a6dfe350): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4a8cba0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a8cba0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (ffff8880a6dfe350): kobject_uevent_env kobject: 'loop4' (ffff8880a4a8cba0): kobject_uevent_env kobject: 'kvm' (ffff8880a6dfe350): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4a8cba0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff88809f1eeda0): kobject_uevent_env kobject: 'loop0' (ffff88809f1eeda0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a4a322a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a322a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4ae2c20): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae2c20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4a8cba0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a8cba0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff88809f1eeda0): kobject_uevent_env kobject: 'loop0' (ffff88809f1eeda0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4a8cba0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a8cba0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a322a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a322a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff88809f1eeda0): kobject_uevent_env kobject: 'loop0' (ffff88809f1eeda0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4a8cba0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a8cba0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff88809f1eeda0): kobject_uevent_env kobject: 'loop0' (ffff88809f1eeda0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4a8cba0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a8cba0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a322a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a322a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4ae2c20): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae2c20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4a8cba0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a8cba0): fill_kobj_path: path = '/devices/virtual/block/loop4' net_ratelimit: 26 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_1 kobject: 'loop3' (ffff8880a4a322a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a322a0): fill_kobj_path: path = '/devices/virtual/block/loop3' protocol 88fb is buggy, dev hsr_slave_0 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' (ffff8880a4a8cba0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a8cba0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a322a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a322a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff88809f1eeda0): kobject_uevent_env kobject: 'loop0' (ffff88809f1eeda0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4ae2c20): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae2c20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4a8cba0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a8cba0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4a8cba0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a8cba0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a322a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a322a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4a8cba0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a8cba0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4ae2c20): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae2c20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff88809f1eeda0): kobject_uevent_env kobject: 'loop0' (ffff88809f1eeda0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4ae2c20): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae2c20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4a8cba0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a8cba0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a322a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a322a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4ae2c20): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae2c20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4a322a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a322a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4ae2c20): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae2c20): fill_kobj_path: path = '/devices/virtual/block/loop5' overlayfs: filesystem on './file0' not supported as upperdir futex_wake_op: syz-executor.5 tries to shift op by 3904; fix this program futex_wake_op: syz-executor.5 tries to shift op by 3904; fix this program kobject: 'loop5' (ffff8880a4ae2c20): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae2c20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff88809f1eeda0): kobject_uevent_env kobject: 'loop0' (ffff88809f1eeda0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4a8cba0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a8cba0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a322a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a322a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4a8cba0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a8cba0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a322a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a322a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff88809f1eeda0): kobject_uevent_env kobject: 'loop0' (ffff88809f1eeda0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a4a322a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a322a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (ffff8880a6dfe350): kobject_uevent_env kobject: 'kvm' (ffff8880a6dfe350): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (ffff88809f1eeda0): kobject_uevent_env kobject: 'loop0' (ffff88809f1eeda0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (ffff8880a6dfe350): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae2c20): kobject_uevent_env kobject: 'kvm' (ffff8880a6dfe350): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (ffff8880a4ae2c20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (ffff8880a6dfe350): kobject_uevent_env kobject: 'loop0' (ffff88809f1eeda0): kobject_uevent_env kobject: 'kvm' (ffff8880a6dfe350): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (ffff88809f1eeda0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4ae2c20): kobject_uevent_env kobject: 'kvm' (ffff8880a6dfe350): kobject_uevent_env kobject: 'kvm' (ffff8880a6dfe350): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (ffff8880a4ae2c20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4a8cba0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a8cba0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff88809f1eeda0): kobject_uevent_env kobject: 'kvm' (ffff8880a6dfe350): kobject_uevent_env kobject: 'loop0' (ffff88809f1eeda0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (ffff8880a6dfe350): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff8880a6dfe350): kobject_uevent_env kobject: 'kvm' (ffff8880a6dfe350): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (ffff88809f1eeda0): kobject_uevent_env kobject: 'loop0' (ffff88809f1eeda0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (ffff8880a6dfe350): kobject_uevent_env kobject: 'kvm' (ffff8880a6dfe350): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (ffff8880a4a322a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a322a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff88809f1eeda0): kobject_uevent_env kobject: 'loop0' (ffff88809f1eeda0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a4a322a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a322a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (ffff8880a6dfe350): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae2c20): kobject_uevent_env kobject: 'kvm' (ffff8880a6dfe350): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (ffff8880a4ae2c20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4a322a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a322a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff88809f1eeda0): kobject_uevent_env kobject: 'loop0' (ffff88809f1eeda0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (ffff88809f1eeda0): kobject_uevent_env kobject: 'loop0' (ffff88809f1eeda0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (ffff88809f1eeda0): kobject_uevent_env kobject: 'loop0' (ffff88809f1eeda0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4a8cba0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a8cba0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4ae2c20): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae2c20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4a8cba0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a8cba0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff88809f1eeda0): kobject_uevent_env kobject: 'loop0' (ffff88809f1eeda0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4a8cba0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a8cba0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a322a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a322a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4a8cba0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a8cba0): fill_kobj_path: path = '/devices/virtual/block/loop4' net_ratelimit: 25 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_1 kobject: 'loop5' (ffff8880a4ae2c20): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae2c20): fill_kobj_path: path = '/devices/virtual/block/loop5' protocol 88fb is buggy, dev hsr_slave_0 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: 'loop0' (ffff88809f1eeda0): kobject_uevent_env kobject: 'loop0' (ffff88809f1eeda0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a4a322a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a322a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff88809f1eeda0): kobject_uevent_env kobject: 'loop0' (ffff88809f1eeda0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a4a322a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a322a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (ffff8880a4a322a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a322a0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4a8cba0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a8cba0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a322a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a322a0): fill_kobj_path: path = '/devices/virtual/block/loop3'