====================================================== WARNING: possible circular locking dependency detected 4.14.156-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.4/13336 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+0x134c/0x2690 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+0x133f/0x2690 kernel/events/core.c:10225 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #5 (&cpuctx_mutex){+.+.}: devpts: called with bogus options 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:399 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:380 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:573 [inline] _cpu_up+0x228/0x530 kernel/cpu.c:1135 do_cpu_up kernel/cpu.c:1170 [inline] do_cpu_up+0xa6/0x160 kernel/cpu.c:1142 cpu_up+0x1b/0x20 kernel/cpu.c:1178 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+0xd92/0x25c0 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+0xd92/0x25c0 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_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+0xd92/0x25c0 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 (&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+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 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 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.4/13336: #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+0x133f/0x2690 kernel/events/core.c:10225 stack backtrace: CPU: 0 PID: 13336 Comm: syz-executor.4 Not tainted 4.14.156-syzkaller #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+0x142/0x197 lib/dump_stack.c:58 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 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 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a679 RSP: 002b:00007f35a5181c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a679 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000020000200 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000246 R12: 00007f35a51826d4 R13: 00000000004c7c2a R14: 00000000004de288 R15: 00000000ffffffff devpts: called with bogus options IPVS: ftp: loaded support on port[0] = 21 audit: type=1804 audit(1575150791.029:1138): pid=13367 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir044857947/syzkaller.Sv5vaW/684/bus" dev="sda1" ino=18720 res=1 kobject: 'lo' (ffff88820fffceb0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'lo' (ffff88820fffceb0): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'lo' (ffff88820fffceb0): fill_kobj_path: path = '/devices/virtual/net/lo' kobject: 'queues' (ffff888078e9e048): kobject_add_internal: parent: 'lo', set: '' kobject: 'queues' (ffff888078e9e048): kobject_uevent_env kobject: 'queues' (ffff888078e9e048): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff88808dce13d0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88808dce13d0): kobject_uevent_env kobject: 'rx-0' (ffff88808dce13d0): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0' kobject: 'tx-0' (ffff888082f41058): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff888082f41058): kobject_uevent_env kobject: 'tx-0' (ffff888082f41058): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0' kobject: 'tunl0' (ffff8881ed3c6830): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'tunl0' (ffff8881ed3c6830): kobject_uevent_env kobject: 'tunl0' (ffff8881ed3c6830): fill_kobj_path: path = '/devices/virtual/net/tunl0' kobject: 'queues' (ffff888069fd2248): kobject_add_internal: parent: 'tunl0', set: '' kobject: 'queues' (ffff888069fd2248): kobject_uevent_env kobject: 'queues' (ffff888069fd2248): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff88806b4c5010): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88806b4c5010): kobject_uevent_env kobject: 'rx-0' (ffff88806b4c5010): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/rx-0' kobject: 'tx-0' (ffff88808ffbb358): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff88808ffbb358): kobject_uevent_env kobject: 'tx-0' (ffff88808ffbb358): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/tx-0' kobject: 'gre0' (ffff8881f740e970): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'gre0' (ffff8881f740e970): kobject_uevent_env kobject: 'gre0' (ffff8881f740e970): fill_kobj_path: path = '/devices/virtual/net/gre0' kobject: 'queues' (ffff8880969a5548): kobject_add_internal: parent: 'gre0', set: '' kobject: 'queues' (ffff8880969a5548): kobject_uevent_env kobject: 'queues' (ffff8880969a5548): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff88806c63e550): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88806c63e550): kobject_uevent_env kobject: 'rx-0' (ffff88806c63e550): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/rx-0' kobject: 'tx-0' (ffff888097ebcd58): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff888097ebcd58): kobject_uevent_env kobject: 'tx-0' (ffff888097ebcd58): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/tx-0' kobject: 'gretap0' (ffff888183868ab0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'gretap0' (ffff888183868ab0): kobject_uevent_env kobject: 'gretap0' (ffff888183868ab0): fill_kobj_path: path = '/devices/virtual/net/gretap0' kobject: 'queues' (ffff88808ec86348): kobject_add_internal: parent: 'gretap0', set: '' kobject: 'queues' (ffff88808ec86348): kobject_uevent_env kobject: 'queues' (ffff88808ec86348): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff8880a93ceb50): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff8880a93ceb50): kobject_uevent_env kobject: 'rx-0' (ffff8880a93ceb50): fill_kobj_path: path = '/devices/virtual/net/gretap0/queues/rx-0' kobject: 'tx-0' (ffff888090c2fcd8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff888090c2fcd8): kobject_uevent_env kobject: 'tx-0' (ffff888090c2fcd8): fill_kobj_path: path = '/devices/virtual/net/gretap0/queues/tx-0' kobject: 'batman_adv' (ffff88806d31ac80): kobject_add_internal: parent: 'gretap0', set: '' kobject: 'erspan0' (ffff888211b6ecb0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'erspan0' (ffff888211b6ecb0): kobject_uevent_env kobject: 'erspan0' (ffff888211b6ecb0): fill_kobj_path: path = '/devices/virtual/net/erspan0' kobject: 'queues' (ffff88806c80ad48): kobject_add_internal: parent: 'erspan0', set: '' kobject: 'queues' (ffff88806c80ad48): kobject_uevent_env kobject: 'queues' (ffff88806c80ad48): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff88806c63eb50): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88806c63eb50): kobject_uevent_env kobject: 'rx-0' (ffff88806c63eb50): fill_kobj_path: path = '/devices/virtual/net/erspan0/queues/rx-0' kobject: 'tx-0' (ffff8880a80e1ad8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff8880a80e1ad8): kobject_uevent_env kobject: 'tx-0' (ffff8880a80e1ad8): fill_kobj_path: path = '/devices/virtual/net/erspan0/queues/tx-0' kobject: 'batman_adv' (ffff8880699cba80): kobject_add_internal: parent: 'erspan0', set: '' kobject: 'ip_vti0' (ffff8881f751aeb0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'ip_vti0' (ffff8881f751aeb0): kobject_uevent_env kobject: 'ip_vti0' (ffff8881f751aeb0): fill_kobj_path: path = '/devices/virtual/net/ip_vti0' kobject: 'queues' (ffff88806b7a3048): kobject_add_internal: parent: 'ip_vti0', set: '' kobject: 'queues' (ffff88806b7a3048): kobject_uevent_env kobject: 'queues' (ffff88806b7a3048): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff88806c63e850): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88806c63e850): kobject_uevent_env kobject: 'rx-0' (ffff88806c63e850): fill_kobj_path: path = '/devices/virtual/net/ip_vti0/queues/rx-0' kobject: 'tx-0' (ffff8880a9bb45d8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff8880a9bb45d8): kobject_uevent_env kobject: 'tx-0' (ffff8880a9bb45d8): fill_kobj_path: path = '/devices/virtual/net/ip_vti0/queues/tx-0' kobject: 'ip6_vti0' (ffff88820edbd0f0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'ip6_vti0' (ffff88820edbd0f0): kobject_uevent_env kobject: 'ip6_vti0' (ffff88820edbd0f0): fill_kobj_path: path = '/devices/virtual/net/ip6_vti0' kobject: 'queues' (ffff8880920fb148): kobject_add_internal: parent: 'ip6_vti0', set: '' kobject: 'queues' (ffff8880920fb148): kobject_uevent_env kobject: 'queues' (ffff8880920fb148): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff888091f63790): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff888091f63790): kobject_uevent_env kobject: 'rx-0' (ffff888091f63790): fill_kobj_path: path = '/devices/virtual/net/ip6_vti0/queues/rx-0' kobject: 'tx-0' (ffff8880942630d8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff8880942630d8): kobject_uevent_env kobject: 'tx-0' (ffff8880942630d8): fill_kobj_path: path = '/devices/virtual/net/ip6_vti0/queues/tx-0' kobject: 'sit0' (ffff8881e27072f0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'sit0' (ffff8881e27072f0): kobject_uevent_env kobject: 'sit0' (ffff8881e27072f0): fill_kobj_path: path = '/devices/virtual/net/sit0' kobject: 'queues' (ffff8880a0986648): kobject_add_internal: parent: 'sit0', set: '' kobject: 'queues' (ffff8880a0986648): kobject_uevent_env kobject: 'queues' (ffff8880a0986648): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff888070e1f010): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff888070e1f010): kobject_uevent_env kobject: 'rx-0' (ffff888070e1f010): fill_kobj_path: path = '/devices/virtual/net/sit0/queues/rx-0' kobject: 'tx-0' (ffff8880704fcd58): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff8880704fcd58): kobject_uevent_env kobject: 'tx-0' (ffff8880704fcd58): fill_kobj_path: path = '/devices/virtual/net/sit0/queues/tx-0' kobject: 'ip6tnl0' (ffff8881e3bf05f0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'ip6tnl0' (ffff8881e3bf05f0): kobject_uevent_env kobject: 'ip6tnl0' (ffff8881e3bf05f0): fill_kobj_path: path = '/devices/virtual/net/ip6tnl0' kobject: 'queues' (ffff888087259b48): kobject_add_internal: parent: 'ip6tnl0', set: '' kobject: 'queues' (ffff888087259b48): kobject_uevent_env kobject: 'queues' (ffff888087259b48): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff8880931ec6d0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff8880931ec6d0): kobject_uevent_env kobject: 'rx-0' (ffff8880931ec6d0): fill_kobj_path: path = '/devices/virtual/net/ip6tnl0/queues/rx-0' kobject: 'tx-0' (ffff88807e2fed18): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff88807e2fed18): kobject_uevent_env kobject: 'tx-0' (ffff88807e2fed18): fill_kobj_path: path = '/devices/virtual/net/ip6tnl0/queues/tx-0' kobject: 'ip6gre0' (ffff88805b0c2f30): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'ip6gre0' (ffff88805b0c2f30): kobject_uevent_env kobject: 'ip6gre0' (ffff88805b0c2f30): fill_kobj_path: path = '/devices/virtual/net/ip6gre0' kobject: 'queues' (ffff8880a0ba8c48): kobject_add_internal: parent: 'ip6gre0', set: '' kobject: 'queues' (ffff8880a0ba8c48): kobject_uevent_env kobject: 'queues' (ffff8880a0ba8c48): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff888090f0cf10): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff888090f0cf10): kobject_uevent_env kobject: 'rx-0' (ffff888090f0cf10): fill_kobj_path: path = '/devices/virtual/net/ip6gre0/queues/rx-0' kobject: 'tx-0' (ffff88809f2f3558): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff88809f2f3558): kobject_uevent_env kobject: 'tx-0' (ffff88809f2f3558): fill_kobj_path: path = '/devices/virtual/net/ip6gre0/queues/tx-0' devpts: called with bogus options protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'rx-0' (ffff888090f0cf10): kobject_cleanup, parent ffff8880a0ba8c48 kobject: 'rx-0' (ffff888090f0cf10): auto cleanup 'remove' event kobject: 'rx-0' (ffff888090f0cf10): kobject_uevent_env kobject: 'rx-0' (ffff888090f0cf10): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (ffff888090f0cf10): auto cleanup kobject_del kobject: 'rx-0' (ffff888090f0cf10): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff88809f2f3558): kobject_cleanup, parent ffff8880a0ba8c48 kobject: 'tx-0' (ffff88809f2f3558): auto cleanup 'remove' event kobject: 'tx-0' (ffff88809f2f3558): kobject_uevent_env kobject: 'tx-0' (ffff88809f2f3558): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (ffff88809f2f3558): auto cleanup kobject_del kobject: 'tx-0' (ffff88809f2f3558): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff8880a0ba8c48): kobject_cleanup, parent (null) kobject: 'queues' (ffff8880a0ba8c48): calling ktype release kobject: 'queues' (ffff8880a0ba8c48): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (ffff88805b0c2f30): kobject_uevent_env kobject: 'ip6gre0' (ffff88805b0c2f30): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (ffff88805b0c2f30): kobject_cleanup, parent (null) kobject: 'ip6gre0' (ffff88805b0c2f30): calling ktype release kobject: 'ip6gre0': free name kobject: 'rx-0' (ffff8880931ec6d0): kobject_cleanup, parent ffff888087259b48 kobject: 'rx-0' (ffff8880931ec6d0): auto cleanup 'remove' event kobject: 'rx-0' (ffff8880931ec6d0): kobject_uevent_env kobject: 'rx-0' (ffff8880931ec6d0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (ffff8880931ec6d0): auto cleanup kobject_del kobject: 'rx-0' (ffff8880931ec6d0): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff88807e2fed18): kobject_cleanup, parent ffff888087259b48 kobject: 'tx-0' (ffff88807e2fed18): auto cleanup 'remove' event kobject: 'tx-0' (ffff88807e2fed18): kobject_uevent_env kobject: 'tx-0' (ffff88807e2fed18): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (ffff88807e2fed18): auto cleanup kobject_del kobject: 'tx-0' (ffff88807e2fed18): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff888087259b48): kobject_cleanup, parent (null) kobject: 'queues' (ffff888087259b48): calling ktype release kobject: 'queues' (ffff888087259b48): kset_release kobject: 'queues': free name kobject: 'ip6tnl0' (ffff8881e3bf05f0): kobject_uevent_env kobject: 'ip6tnl0' (ffff8881e3bf05f0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6tnl0' (ffff8881e3bf05f0): kobject_cleanup, parent (null) kobject: 'ip6tnl0' (ffff8881e3bf05f0): calling ktype release kobject: 'ip6tnl0': free name kobject: 'rx-0' (ffff888070e1f010): kobject_cleanup, parent ffff8880a0986648 kobject: 'rx-0' (ffff888070e1f010): auto cleanup 'remove' event kobject: 'rx-0' (ffff888070e1f010): kobject_uevent_env kobject: 'rx-0' (ffff888070e1f010): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (ffff888070e1f010): auto cleanup kobject_del kobject: 'rx-0' (ffff888070e1f010): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff8880704fcd58): kobject_cleanup, parent ffff8880a0986648 kobject: 'tx-0' (ffff8880704fcd58): auto cleanup 'remove' event kobject: 'tx-0' (ffff8880704fcd58): kobject_uevent_env kobject: 'tx-0' (ffff8880704fcd58): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (ffff8880704fcd58): auto cleanup kobject_del kobject: 'tx-0' (ffff8880704fcd58): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff8880a0986648): kobject_cleanup, parent (null) kobject: 'queues' (ffff8880a0986648): calling ktype release kobject: 'queues' (ffff8880a0986648): kset_release kobject: 'queues': free name kobject: 'sit0' (ffff8881e27072f0): kobject_uevent_env kobject: 'sit0' (ffff8881e27072f0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'sit0' (ffff8881e27072f0): kobject_cleanup, parent (null) kobject: 'sit0' (ffff8881e27072f0): calling ktype release kobject: 'sit0': free name kobject: 'rx-0' (ffff888091f63790): kobject_cleanup, parent ffff8880920fb148 kobject: 'rx-0' (ffff888091f63790): auto cleanup 'remove' event kobject: 'rx-0' (ffff888091f63790): kobject_uevent_env kobject: 'rx-0' (ffff888091f63790): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (ffff888091f63790): auto cleanup kobject_del kobject: 'rx-0' (ffff888091f63790): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff8880942630d8): kobject_cleanup, parent ffff8880920fb148 kobject: 'tx-0' (ffff8880942630d8): auto cleanup 'remove' event kobject: 'tx-0' (ffff8880942630d8): kobject_uevent_env kobject: 'tx-0' (ffff8880942630d8): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (ffff8880942630d8): auto cleanup kobject_del kobject: 'tx-0' (ffff8880942630d8): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff8880920fb148): kobject_cleanup, parent (null) kobject: 'queues' (ffff8880920fb148): calling ktype release kobject: 'queues' (ffff8880920fb148): kset_release kobject: 'queues': free name kobject: 'ip6_vti0' (ffff88820edbd0f0): kobject_uevent_env kobject: 'ip6_vti0' (ffff88820edbd0f0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6_vti0' (ffff88820edbd0f0): kobject_cleanup, parent (null) kobject: 'ip6_vti0' (ffff88820edbd0f0): calling ktype release kobject: 'ip6_vti0': free name kobject: 'rx-0' (ffff88806c63e850): kobject_cleanup, parent ffff88806b7a3048 kobject: 'rx-0' (ffff88806c63e850): auto cleanup 'remove' event kobject: 'rx-0' (ffff88806c63e850): kobject_uevent_env kobject: 'rx-0' (ffff88806c63e850): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (ffff88806c63e850): auto cleanup kobject_del kobject: 'rx-0' (ffff88806c63e850): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff8880a9bb45d8): kobject_cleanup, parent ffff88806b7a3048 kobject: 'tx-0' (ffff8880a9bb45d8): auto cleanup 'remove' event kobject: 'tx-0' (ffff8880a9bb45d8): kobject_uevent_env kobject: 'tx-0' (ffff8880a9bb45d8): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (ffff8880a9bb45d8): auto cleanup kobject_del kobject: 'tx-0' (ffff8880a9bb45d8): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff88806b7a3048): kobject_cleanup, parent (null) kobject: 'queues' (ffff88806b7a3048): calling ktype release kobject: 'queues' (ffff88806b7a3048): kset_release kobject: 'queues': free name kobject: 'ip_vti0' (ffff8881f751aeb0): kobject_uevent_env rpcbind: RPC call returned error 22 kobject: 'ip_vti0' (ffff8881f751aeb0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip_vti0' (ffff8881f751aeb0): kobject_cleanup, parent (null) kobject: 'ip_vti0' (ffff8881f751aeb0): calling ktype release kobject: 'ip_vti0': free name kobject: 'batman_adv' (ffff8880699cba80): kobject_uevent_env kobject: 'batman_adv' (ffff8880699cba80): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (ffff8880699cba80): kobject_cleanup, parent (null) kobject: 'batman_adv' (ffff8880699cba80): calling ktype release kobject: (ffff8880699cba80): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (ffff88806c63eb50): kobject_cleanup, parent ffff88806c80ad48 kobject: 'rx-0' (ffff88806c63eb50): auto cleanup 'remove' event kobject: 'rx-0' (ffff88806c63eb50): kobject_uevent_env kobject: 'rx-0' (ffff88806c63eb50): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (ffff88806c63eb50): auto cleanup kobject_del kobject: 'rx-0' (ffff88806c63eb50): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff8880a80e1ad8): kobject_cleanup, parent ffff88806c80ad48 kobject: 'tx-0' (ffff8880a80e1ad8): auto cleanup 'remove' event rpcbind: RPC call returned error 22 kobject: 'tx-0' (ffff8880a80e1ad8): kobject_uevent_env kobject: 'tx-0' (ffff8880a80e1ad8): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (ffff8880a80e1ad8): auto cleanup kobject_del kobject: 'tx-0' (ffff8880a80e1ad8): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff88806c80ad48): kobject_cleanup, parent (null) kobject: 'queues' (ffff88806c80ad48): calling ktype release kobject: 'queues' (ffff88806c80ad48): kset_release kobject: 'queues': free name kobject: 'erspan0' (ffff888211b6ecb0): kobject_uevent_env kobject: 'erspan0' (ffff888211b6ecb0): kobject_uevent_env: uevent_suppress caused the event to drop! protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'erspan0' (ffff888211b6ecb0): kobject_cleanup, parent (null) kobject: 'erspan0' (ffff888211b6ecb0): calling ktype release kobject: 'erspan0': free name kobject: 'batman_adv' (ffff88806d31ac80): kobject_uevent_env kobject: 'batman_adv' (ffff88806d31ac80): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (ffff88806d31ac80): kobject_cleanup, parent (null) kobject: 'batman_adv' (ffff88806d31ac80): calling ktype release kobject: (ffff88806d31ac80): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (ffff8880a93ceb50): kobject_cleanup, parent ffff88808ec86348 kobject: 'rx-0' (ffff8880a93ceb50): auto cleanup 'remove' event kobject: 'rx-0' (ffff8880a93ceb50): kobject_uevent_env kobject: 'rx-0' (ffff8880a93ceb50): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (ffff8880a93ceb50): auto cleanup kobject_del kobject: 'rx-0' (ffff8880a93ceb50): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff888090c2fcd8): kobject_cleanup, parent ffff88808ec86348 kobject: 'tx-0' (ffff888090c2fcd8): auto cleanup 'remove' event kobject: 'tx-0' (ffff888090c2fcd8): kobject_uevent_env kobject: 'tx-0' (ffff888090c2fcd8): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (ffff888090c2fcd8): auto cleanup kobject_del kobject: 'tx-0' (ffff888090c2fcd8): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff88808ec86348): kobject_cleanup, parent (null) kobject: 'queues' (ffff88808ec86348): calling ktype release kobject: 'queues' (ffff88808ec86348): kset_release kobject: 'queues': free name kobject: 'gretap0' (ffff888183868ab0): kobject_uevent_env kobject: 'gretap0' (ffff888183868ab0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'gretap0' (ffff888183868ab0): kobject_cleanup, parent (null) kobject: 'gretap0' (ffff888183868ab0): calling ktype release kobject: 'gretap0': free name kobject: 'rx-0' (ffff88806c63e550): kobject_cleanup, parent ffff8880969a5548 kobject: 'rx-0' (ffff88806c63e550): auto cleanup 'remove' event kobject: 'rx-0' (ffff88806c63e550): kobject_uevent_env kobject: 'rx-0' (ffff88806c63e550): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (ffff88806c63e550): auto cleanup kobject_del kobject: 'rx-0' (ffff88806c63e550): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff888097ebcd58): kobject_cleanup, parent ffff8880969a5548 kobject: 'tx-0' (ffff888097ebcd58): auto cleanup 'remove' event kobject: 'tx-0' (ffff888097ebcd58): kobject_uevent_env kobject: 'tx-0' (ffff888097ebcd58): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (ffff888097ebcd58): auto cleanup kobject_del kobject: 'tx-0' (ffff888097ebcd58): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff8880969a5548): kobject_cleanup, parent (null) kobject: 'queues' (ffff8880969a5548): calling ktype release kobject: 'queues' (ffff8880969a5548): kset_release kobject: 'queues': free name kobject: 'gre0' (ffff8881f740e970): kobject_uevent_env rpcbind: RPC call returned error 22 kobject: 'gre0' (ffff8881f740e970): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'gre0' (ffff8881f740e970): kobject_cleanup, parent (null) kobject: 'gre0' (ffff8881f740e970): calling ktype release kobject: 'gre0': free name kobject: 'rx-0' (ffff88806b4c5010): kobject_cleanup, parent ffff888069fd2248 kobject: 'rx-0' (ffff88806b4c5010): auto cleanup 'remove' event kobject: 'rx-0' (ffff88806b4c5010): kobject_uevent_env rpcbind: RPC call returned error 22 kobject: 'rx-0' (ffff88806b4c5010): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (ffff88806b4c5010): auto cleanup kobject_del kobject: 'rx-0' (ffff88806b4c5010): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff88808ffbb358): kobject_cleanup, parent ffff888069fd2248 kobject: 'tx-0' (ffff88808ffbb358): auto cleanup 'remove' event kobject: 'tx-0' (ffff88808ffbb358): kobject_uevent_env kobject: 'tx-0' (ffff88808ffbb358): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (ffff88808ffbb358): auto cleanup kobject_del kobject: 'tx-0' (ffff88808ffbb358): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff888069fd2248): kobject_cleanup, parent (null) kobject: 'queues' (ffff888069fd2248): calling ktype release kobject: 'queues' (ffff888069fd2248): kset_release kobject: 'queues': free name kobject: 'tunl0' (ffff8881ed3c6830): kobject_uevent_env kobject: 'tunl0' (ffff8881ed3c6830): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tunl0' (ffff8881ed3c6830): kobject_cleanup, parent (null) kobject: 'tunl0' (ffff8881ed3c6830): calling ktype release kobject: 'tunl0': free name kobject: 'rx-0' (ffff88808dce13d0): kobject_cleanup, parent ffff888078e9e048 kobject: 'rx-0' (ffff88808dce13d0): auto cleanup 'remove' event kobject: 'rx-0' (ffff88808dce13d0): kobject_uevent_env kobject: 'rx-0' (ffff88808dce13d0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (ffff88808dce13d0): auto cleanup kobject_del kobject: 'rx-0' (ffff88808dce13d0): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff888082f41058): kobject_cleanup, parent ffff888078e9e048 kobject: 'tx-0' (ffff888082f41058): auto cleanup 'remove' event kobject: 'tx-0' (ffff888082f41058): kobject_uevent_env kobject: 'tx-0' (ffff888082f41058): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (ffff888082f41058): auto cleanup kobject_del kobject: 'tx-0' (ffff888082f41058): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff888078e9e048): kobject_cleanup, parent (null) kobject: 'queues' (ffff888078e9e048): calling ktype release kobject: 'queues' (ffff888078e9e048): kset_release kobject: 'queues': free name kobject: 'lo' (ffff88820fffceb0): kobject_uevent_env kobject: 'lo' (ffff88820fffceb0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'lo' (ffff88820fffceb0): kobject_cleanup, parent (null) kobject: 'lo' (ffff88820fffceb0): calling ktype release kobject: 'lo': free name protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 xt_connbytes: cannot load conntrack support for proto=7 xt_connbytes: Forcing CT accounting to be enabled protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1