protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 BUG: sleeping function called from invalid context at kernel/locking/mutex.c:747 in_atomic(): 1, irqs_disabled(): 0, pid: 12875, name: syz-executor.4 2 locks held by syz-executor.4/12875: #0: (&xt[i].mutex){+.+.}, at: [] xt_find_table_lock+0x3c/0x3d0 net/netfilter/x_tables.c:1092 IPVS: set_ctl: invalid protocol: 108 224.0.0.1:20001 #1: ((&sp->resync_t)){+.-.}, at: [] lockdep_copy_map include/linux/lockdep.h:174 [inline] #1: ((&sp->resync_t)){+.-.}, at: [] call_timer_fn+0xc8/0x670 kernel/time/timer.c:1269 Preemption disabled at: [] __do_softirq+0xe7/0x9a0 kernel/softirq.c:265 CPU: 0 PID: 12875 Comm: syz-executor.4 Not tainted 4.14.160-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 ___might_sleep.cold+0x1bd/0x1f6 kernel/sched/core.c:6041 __might_sleep+0x93/0xb0 kernel/sched/core.c:5994 __mutex_lock_common kernel/locking/mutex.c:747 [inline] __mutex_lock+0xb9/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 tpk_write+0x5d/0x2c0 drivers/char/ttyprintk.c:123 resync_tnc+0x1bc/0x3d0 drivers/net/hamradio/6pack.c:522 call_timer_fn+0x161/0x670 kernel/time/timer.c:1279 expire_timers kernel/time/timer.c:1318 [inline] __run_timers kernel/time/timer.c:1636 [inline] __run_timers kernel/time/timer.c:1604 [inline] run_timer_softirq+0x5b7/0x1520 kernel/time/timer.c:1649 __do_softirq+0x244/0x9a0 kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x160/0x1b0 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x146/0x5e0 arch/x86/kernel/apic/apic.c:1102 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792 RIP: 0010:__sanitizer_cov_trace_pc+0x28/0x60 kernel/kcov.c:68 RSP: 0018:ffff888080d8fb40 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff10 RAX: ffff88804d7f04c0 RBX: 0000000000000000 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffff8880845d2840 RDI: 0000000000000003 RBP: ffff888080d8fb88 R08: ffff88804d7f04c0 R09: 0000000000000001 R10: 0000000000000000 R11: ffff88804d7f04c0 R12: ffff8880a13fff00 R13: dffffc0000000000 R14: ffffed101427ffe4 R15: 1ffff1101427ffe5 vfree+0x50/0xe0 mm/vmalloc.c:1611 __do_replace+0x474/0x5c0 net/ipv6/netfilter/ip6_tables.c:1113 do_replace net/ipv6/netfilter/ip6_tables.c:1161 [inline] do_ip6t_set_ctl+0x296/0x3f4 net/ipv6/netfilter/ip6_tables.c:1685 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt net/ipv6/ipv6_sockglue.c:930 [inline] ipv6_setsockopt+0x105/0x130 net/ipv6/ipv6_sockglue.c:914 tcp_setsockopt net/ipv4/tcp.c:2820 [inline] tcp_setsockopt+0x84/0xd0 net/ipv4/tcp.c:2814 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:2968 SYSC_setsockopt net/socket.c:1865 [inline] SyS_setsockopt+0x13c/0x210 net/socket.c:1844 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45d44a RSP: 002b:00007ffc078d2068 EFLAGS: 00000202 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007ffc078d2090 RCX: 000000000045d44a RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 RBP: 0000000000717cc0 R08: 00000000000002e8 R09: 0000000000004000 R10: 0000000000716fa0 R11: 0000000000000202 R12: 0000000000000003 R13: 0000000000000000 R14: 0000000000000029 R15: 0000000000716f40 ================================ WARNING: inconsistent lock state 4.14.160-syzkaller #0 Tainted: G W -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. syz-executor.4/12875 [HC0[0]:SC1[1]:HE1:SE0] takes: (&tpk_port.port_write_mutex){+.?.}, at: [] tpk_write+0x5d/0x2c0 drivers/char/ttyprintk.c:123 {SOFTIRQ-ON-W} state was registered at: mark_irqflags kernel/locking/lockdep.c:3086 [inline] __lock_acquire+0xc33/0x4620 kernel/locking/lockdep.c:3444 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 tpk_close+0x50/0x8c drivers/char/ttyprintk.c:104 tty_release+0x373/0xd60 drivers/tty/tty_io.c:1670 __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 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x7be/0x2c80 kernel/exit.c:854 do_group_exit+0x111/0x330 kernel/exit.c:951 get_signal+0x381/0x1cd0 kernel/signal.c:2413 do_signal+0x86/0x19a0 arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x15c/0x220 arch/x86/entry/common.c:160 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 irq event stamp: 2264706 hardirqs last enabled at (2264706): [] restore_regs_and_return_to_kernel+0x0/0x27 hardirqs last disabled at (2264705): [] common_interrupt+0x91/0x96 arch/x86/entry/entry_64.S:576 softirqs last enabled at (2264494): [] xt_replace_table+0x2ee/0x620 net/netfilter/x_tables.c:1254 softirqs last disabled at (2264521): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (2264521): [] irq_exit+0x160/0x1b0 kernel/softirq.c:409 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&tpk_port.port_write_mutex); lock(&tpk_port.port_write_mutex); *** DEADLOCK *** 2 locks held by syz-executor.4/12875: #0: (&xt[i].mutex){+.+.}, at: [] xt_find_table_lock+0x3c/0x3d0 net/netfilter/x_tables.c:1092 #1: ((&sp->resync_t)){+.-.}, at: [] lockdep_copy_map include/linux/lockdep.h:174 [inline] #1: ((&sp->resync_t)){+.-.}, at: [] call_timer_fn+0xc8/0x670 kernel/time/timer.c:1269 stack backtrace: CPU: 0 PID: 12875 Comm: syz-executor.4 Tainted: G W 4.14.160-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_usage_bug.cold+0x330/0x42a kernel/locking/lockdep.c:2585 valid_state kernel/locking/lockdep.c:2598 [inline] mark_lock_irq kernel/locking/lockdep.c:2792 [inline] mark_lock+0xdbd/0x1240 kernel/locking/lockdep.c:3190 mark_irqflags kernel/locking/lockdep.c:3068 [inline] __lock_acquire+0xb57/0x4620 kernel/locking/lockdep.c:3444 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 tpk_write+0x5d/0x2c0 drivers/char/ttyprintk.c:123 resync_tnc+0x1bc/0x3d0 drivers/net/hamradio/6pack.c:522 call_timer_fn+0x161/0x670 kernel/time/timer.c:1279 expire_timers kernel/time/timer.c:1318 [inline] __run_timers kernel/time/timer.c:1636 [inline] __run_timers kernel/time/timer.c:1604 [inline] run_timer_softirq+0x5b7/0x1520 kernel/time/timer.c:1649 __do_softirq+0x244/0x9a0 kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x160/0x1b0 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x146/0x5e0 arch/x86/kernel/apic/apic.c:1102 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792 RIP: 0010:__sanitizer_cov_trace_pc+0x28/0x60 kernel/kcov.c:68 RSP: 0018:ffff888080d8fb40 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff10 RAX: ffff88804d7f04c0 RBX: 0000000000000000 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffff8880845d2840 RDI: 0000000000000003 RBP: ffff888080d8fb88 R08: ffff88804d7f04c0 R09: 0000000000000001 R10: 0000000000000000 R11: ffff88804d7f04c0 R12: ffff8880a13fff00 R13: dffffc0000000000 R14: ffffed101427ffe4 R15: 1ffff1101427ffe5 vfree+0x50/0xe0 mm/vmalloc.c:1611 __do_replace+0x474/0x5c0 net/ipv6/netfilter/ip6_tables.c:1113 do_replace net/ipv6/netfilter/ip6_tables.c:1161 [inline] do_ip6t_set_ctl+0x296/0x3f4 net/ipv6/netfilter/ip6_tables.c:1685 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt net/ipv6/ipv6_sockglue.c:930 [inline] ipv6_setsockopt+0x105/0x130 net/ipv6/ipv6_sockglue.c:914 tcp_setsockopt net/ipv4/tcp.c:2820 [inline] tcp_setsockopt+0x84/0xd0 net/ipv4/tcp.c:2814 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:2968 SYSC_setsockopt net/socket.c:1865 [inline] SyS_setsockopt+0x13c/0x210 net/socket.c:1844 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45d44a RSP: 002b:00007ffc078d2068 EFLAGS: 00000202 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007ffc078d2090 RCX: 000000000045d44a RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 RBP: 0000000000717cc0 R08: 00000000000002e8 R09: 0000000000004000 R10: 0000000000716fa0 R11: 0000000000000202 R12: 0000000000000003 R13: 0000000000000000 R14: 0000000000000029 R15: 0000000000716f40 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 kobject: 'loop3' (ffff8880a40e23e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e23e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a47ecba0): kobject_uevent_env kobject: 'loop1' (ffff8880a47ecba0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff888094ea32e0): kobject_uevent_env kobject: 'loop0' (ffff888094ea32e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a40e23e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e23e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a47ecba0): kobject_uevent_env kobject: 'loop1' (ffff8880a47ecba0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff888094ea32e0): kobject_uevent_env kobject: 'loop0' (ffff888094ea32e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a40f8ce0): kobject_uevent_env kobject: 'loop4' (ffff8880a40f8ce0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a47ecba0): kobject_uevent_env kobject: 'loop1' (ffff8880a47ecba0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff888094ea32e0): kobject_uevent_env kobject: 'loop0' (ffff888094ea32e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a40e23e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e23e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a41b6d60): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6d60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a47ecba0): kobject_uevent_env kobject: 'loop1' (ffff8880a47ecba0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a40f8ce0): kobject_uevent_env kobject: 'loop4' (ffff8880a40f8ce0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a41b6d60): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6d60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (ffff88809fbe2190): kobject_cleanup, parent ffff88803c5f9948 kobject: 'loop3' (ffff8880a40e23e0): kobject_uevent_env kobject: 'rx-0' (ffff88809fbe2190): auto cleanup 'remove' event kobject: 'loop3' (ffff8880a40e23e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (ffff88809fbe2190): kobject_uevent_env kobject: 'rx-0' (ffff88809fbe2190): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop0' (ffff888094ea32e0): kobject_uevent_env kobject: 'rx-0' (ffff88809fbe2190): auto cleanup kobject_del kobject: 'loop0' (ffff888094ea32e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'rx-0' (ffff88809fbe2190): calling ktype release kobject: 'loop3' (ffff8880a40e23e0): kobject_uevent_env kobject: 'rx-0': free name kobject: 'tx-0' (ffff8880a49650d8): kobject_cleanup, parent ffff88803c5f9948 kobject: 'tx-0' (ffff8880a49650d8): auto cleanup 'remove' event kobject: 'loop3' (ffff8880a40e23e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (ffff8880a49650d8): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6d60): kobject_uevent_env kobject: 'tx-0' (ffff8880a49650d8): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop5' (ffff8880a41b6d60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (ffff8880a49650d8): auto cleanup kobject_del kobject: 'loop4' (ffff8880a40f8ce0): kobject_uevent_env kobject: 'tx-0' (ffff8880a49650d8): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff88803c5f9948): kobject_cleanup, parent (null) kobject: 'queues' (ffff88803c5f9948): calling ktype release kobject: 'queues' (ffff88803c5f9948): kset_release kobject: 'queues': free name kobject: 'loop4' (ffff8880a40f8ce0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'ip6gre0' (ffff888051156830): kobject_uevent_env kobject: 'ip6gre0' (ffff888051156830): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'batman_adv' (ffff888098a0c000): kobject_uevent_env kobject: 'batman_adv' (ffff888098a0c000): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop1' (ffff8880a47ecba0): kobject_uevent_env kobject: 'batman_adv' (ffff888098a0c000): kobject_cleanup, parent (null) kobject: 'loop1' (ffff8880a47ecba0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'batman_adv' (ffff888098a0c000): calling ktype release kobject: (ffff888098a0c000): dynamic_kobj_release caif:caif_disconnect_client(): nothing to disconnect kobject: 'batman_adv': free name kobject: 'rx-0' (ffff8880863fd490): kobject_cleanup, parent ffff88809545d648 kobject: 'loop5' (ffff8880a41b6d60): kobject_uevent_env kobject: 'rx-0' (ffff8880863fd490): auto cleanup 'remove' event kobject: 'loop5' (ffff8880a41b6d60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (ffff8880863fd490): kobject_uevent_env kobject: 'rx-0' (ffff8880863fd490): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (ffff8880863fd490): auto cleanup kobject_del kobject: 'kvm' (ffff888219477250): kobject_uevent_env overlayfs: failed to clone lowerpath kobject: 'kvm' (ffff888219477250): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'rx-0' (ffff8880863fd490): calling ktype release kobject: 'loop4' (ffff8880a40f8ce0): kobject_uevent_env kobject: 'loop4' (ffff8880a40f8ce0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0': free name caif:caif_disconnect_client(): nothing to disconnect kobject: 'tx-0' (ffff8880503ed018): kobject_cleanup, parent ffff88809545d648 kobject: 'tx-0' (ffff8880503ed018): auto cleanup 'remove' event kobject: 'loop1' (ffff8880a47ecba0): kobject_uevent_env kobject: 'loop1' (ffff8880a47ecba0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (ffff8880503ed018): kobject_uevent_env kobject: 'tx-0' (ffff8880503ed018): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (ffff8880503ed018): auto cleanup kobject_del kobject: 'tx-0' (ffff8880503ed018): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff88809545d648): kobject_cleanup, parent (null) kobject: 'queues' (ffff88809545d648): calling ktype release kobject: 'queues' (ffff88809545d648): kset_release kobject: 'loop5' (ffff8880a41b6d60): kobject_uevent_env kobject: 'queues': free name kobject: 'loop5' (ffff8880a41b6d60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'ip6gretap0' (ffff8880513ded70): kobject_uevent_env kobject: 'ip6gretap0' (ffff8880513ded70): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'mesh' (ffff8880a476da00): kobject_uevent_env kobject: 'mesh' (ffff8880a476da00): kobject_uevent_env: filter function caused the event to drop! kobject: 'vlan0' (ffff88808fc59300): kobject_uevent_env kobject: 'vlan0' (ffff88808fc59300): kobject_uevent_env: attempted to send uevent without kset! kobject: 'mesh' (ffff8880a476da00): kobject_cleanup, parent (null) kobject: 'mesh' (ffff8880a476da00): calling ktype release kobject: (ffff8880a476da00): dynamic_kobj_release kobject: 'mesh': free name kobject: 'vlan0' (ffff88808fc59300): kobject_cleanup, parent (null) kobject: 'vlan0' (ffff88808fc59300): calling ktype release kobject: 'loop4' (ffff8880a40f8ce0): kobject_uevent_env kobject: 'loop4' (ffff8880a40f8ce0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: (ffff88808fc59300): dynamic_kobj_release kobject: 'vlan0': free name kobject: 'rx-0' (ffff88809401eb50): kobject_cleanup, parent ffff8880a54e8648 kobject: 'rx-0' (ffff88809401eb50): auto cleanup 'remove' event kobject: 'rx-0' (ffff88809401eb50): kobject_uevent_env kobject: 'rx-0' (ffff88809401eb50): fill_kobj_path: path = '/devices/virtual/net/batadv0/queues/rx-0' kobject: 'rx-0' (ffff88809401eb50): auto cleanup kobject_del kobject: 'rx-0' (ffff88809401eb50): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff88807f0cf0d8): kobject_cleanup, parent ffff8880a54e8648 kobject: 'tx-0' (ffff88807f0cf0d8): auto cleanup 'remove' event kobject: 'tx-0' (ffff88807f0cf0d8): kobject_uevent_env kobject: 'tx-0' (ffff88807f0cf0d8): fill_kobj_path: path = '/devices/virtual/net/batadv0/queues/tx-0' kobject: 'kvm' (ffff888219477250): kobject_uevent_env kobject: 'tx-0' (ffff88807f0cf0d8): auto cleanup kobject_del kobject: 'tx-0' (ffff88807f0cf0d8): calling ktype release kobject: 'kvm' (ffff888219477250): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'tx-0': free name kobject: 'queues' (ffff8880a54e8648): kobject_cleanup, parent (null) kobject: 'queues' (ffff8880a54e8648): calling ktype release kobject: 'queues' (ffff8880a54e8648): kset_release kobject: 'loop4' (ffff8880a40f8ce0): kobject_uevent_env kobject: 'queues': free name kobject: 'loop4' (ffff8880a40f8ce0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (ffff888219477250): kobject_uevent_env kobject: 'batadv0' (ffff88803e6e2230): kobject_uevent_env kobject: 'loop1' (ffff8880a47ecba0): kobject_uevent_env kobject: 'kvm' (ffff888219477250): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'batadv0' (ffff88803e6e2230): fill_kobj_path: path = '/devices/virtual/net/batadv0' kobject: 'loop1' (ffff8880a47ecba0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'ip6gre0' (ffff888051156830): kobject_cleanup, parent (null) kobject: 'ip6gre0' (ffff888051156830): calling ktype release kobject: 'ip6gre0': free name kobject: 'ip6gretap0' (ffff8880513ded70): kobject_cleanup, parent (null) kobject: 'ip6gretap0' (ffff8880513ded70): calling ktype release kobject: 'ip6gretap0': free name kobject: 'loop0' (ffff888094ea32e0): kobject_uevent_env kobject: 'loop0' (ffff888094ea32e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'batadv0' (ffff88803e6e2230): kobject_cleanup, parent (null) kobject: 'batadv0' (ffff88803e6e2230): calling ktype release kobject: 'kvm' (ffff888219477250): kobject_uevent_env kobject: 'rx-0' (ffff88808b403e50): kobject_cleanup, parent ffff88803c5f9d48 kobject: 'batadv0': free name kobject: 'kvm' (ffff888219477250): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (ffff8880a47ecba0): kobject_uevent_env kobject: 'rx-0' (ffff88808b403e50): auto cleanup 'remove' event kobject: 'loop1' (ffff8880a47ecba0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a41b6d60): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6d60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (ffff88808b403e50): kobject_uevent_env net_ratelimit: 24 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 kobject: 'loop3' (ffff8880a40e23e0): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop3' (ffff8880a40e23e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (ffff88808b403e50): kobject_uevent_env: uevent_suppress caused the event to drop! audit: type=1400 audit(1577344270.808:192): avc: denied { map } for pid=17217 comm="syz-executor.1" path=2F616E6F6E5F6875676570616765202864656C6574656429 dev="hugetlbfs" ino=70264 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:hugetlbfs_t:s0 tclass=file permissive=1 kobject: 'rx-0' (ffff88808b403e50): auto cleanup kobject_del kobject: 'kvm' (ffff888219477250): kobject_uevent_env kobject: 'rx-0' (ffff88808b403e50): calling ktype release kobject: 'kvm' (ffff888219477250): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a40f8ce0): kobject_uevent_env kobject: 'rx-0': free name kobject: 'loop4' (ffff8880a40f8ce0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (ffff88809d664298): kobject_cleanup, parent ffff88803c5f9d48 kobject: 'kvm' (ffff888219477250): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 kobject: 'tx-0' (ffff88809d664298): auto cleanup 'remove' event protocol 88fb is buggy, dev hsr_slave_1 kobject: 'tx-0' (ffff88809d664298): kobject_uevent_env kobject: 'kvm' (ffff888219477250): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'tx-0' (ffff88809d664298): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (ffff88809d664298): auto cleanup kobject_del netlink: 5 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'tx-0' (ffff88809d664298): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff88803c5f9d48): kobject_cleanup, parent (null) kobject: 'loop1' (ffff8880a47ecba0): kobject_uevent_env kobject: 'queues' (ffff88803c5f9d48): calling ktype release kobject: 'loop1' (ffff8880a47ecba0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'queues' (ffff88803c5f9d48): kset_release kobject: 'queues': free name kobject: 'ip6tnl0' (ffff8880a4de2cb0): kobject_uevent_env kobject: 'ip6tnl0' (ffff8880a4de2cb0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (ffff888094ba3c10): kobject_cleanup, parent ffff8880a5f09c48 kobject: 'rx-0' (ffff888094ba3c10): auto cleanup 'remove' event kobject: 'rx-0' (ffff888094ba3c10): kobject_uevent_env kobject: 'rx-0' (ffff888094ba3c10): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (ffff888094ba3c10): auto cleanup kobject_del kobject: 'loop4' (ffff8880a40f8ce0): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'rx-0' (ffff888094ba3c10): calling ktype release kobject: 'loop4' (ffff8880a40f8ce0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0': free name kobject: 'tx-0' (ffff888054386798): kobject_cleanup, parent ffff8880a5f09c48 kobject: 'tx-0' (ffff888054386798): auto cleanup 'remove' event kobject: 'tx-0' (ffff888054386798): kobject_uevent_env kobject: 'tx-0' (ffff888054386798): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (ffff888054386798): auto cleanup kobject_del kobject: 'loop3' (ffff8880a40e23e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e23e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (ffff888054386798): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff8880a5f09c48): kobject_cleanup, parent (null) kobject: 'queues' (ffff8880a5f09c48): calling ktype release kobject: 'queues' (ffff8880a5f09c48): kset_release kobject: 'queues': free name kobject: 'loop5' (ffff8880a41b6d60): kobject_uevent_env kobject: 'ip6tnl1' (ffff8880471051b0): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6d60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'ip6tnl1' (ffff8880471051b0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop1' (ffff8880a47ecba0): kobject_uevent_env kobject: 'loop1' (ffff8880a47ecba0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'ip6tnl0' (ffff8880a4de2cb0): kobject_cleanup, parent (null) kobject: 'ip6tnl0' (ffff8880a4de2cb0): calling ktype release kobject: 'loop4' (ffff8880a40f8ce0): kobject_uevent_env kobject: 'ip6tnl0': free name kobject: 'loop4' (ffff8880a40f8ce0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'ip6tnl1' (ffff8880471051b0): kobject_cleanup, parent (null) kobject: 'loop0' (ffff888094ea32e0): kobject_uevent_env kobject: 'ip6tnl1' (ffff8880471051b0): calling ktype release kobject: 'loop0' (ffff888094ea32e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'ip6tnl1': free name kobject: 'rx-0' (ffff8880a4b01850): kobject_cleanup, parent ffff888044472448 kobject: 'rx-0' (ffff8880a4b01850): auto cleanup 'remove' event kobject: 'rx-0' (ffff8880a4b01850): kobject_uevent_env kobject: 'rx-0' (ffff8880a4b01850): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (ffff8880a4b01850): auto cleanup kobject_del kobject: 'rx-0' (ffff8880a4b01850): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff88807f0e12d8): kobject_cleanup, parent ffff888044472448 BUG: sleeping function called from invalid context at kernel/locking/mutex.c:747 in_atomic(): 1, irqs_disabled(): 0, pid: 17257, name: syz-executor.4 INFO: lockdep is turned off. Preemption disabled at: [] spin_lock include/linux/spinlock.h:317 [inline] [] zap_pte_range mm/memory.c:1303 [inline] [] zap_pmd_range mm/memory.c:1444 [inline] [] zap_pud_range mm/memory.c:1473 [inline] [] zap_p4d_range mm/memory.c:1494 [inline] [] unmap_page_range+0x76e/0x19f0 mm/memory.c:1515 CPU: 0 PID: 17257 Comm: syz-executor.4 Tainted: G W 4.14.160-syzkaller #0 kobject: 'tx-0' (ffff88807f0e12d8): auto cleanup 'remove' event 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 ___might_sleep.cold+0x1bd/0x1f6 kernel/sched/core.c:6041 __might_sleep+0x93/0xb0 kernel/sched/core.c:5994 __mutex_lock_common kernel/locking/mutex.c:747 [inline] __mutex_lock+0xb9/0x1470 kernel/locking/mutex.c:893 kobject: 'tx-0' (ffff88807f0e12d8): kobject_uevent_env kobject: 'tx-0' (ffff88807f0e12d8): kobject_uevent_env: uevent_suppress caused the event to drop! mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 tpk_write+0x5d/0x2c0 drivers/char/ttyprintk.c:123 resync_tnc+0x1bc/0x3d0 drivers/net/hamradio/6pack.c:522 kobject: 'tx-0' (ffff88807f0e12d8): auto cleanup kobject_del call_timer_fn+0x161/0x670 kernel/time/timer.c:1279 expire_timers kernel/time/timer.c:1318 [inline] __run_timers kernel/time/timer.c:1636 [inline] __run_timers kernel/time/timer.c:1604 [inline] run_timer_softirq+0x5b7/0x1520 kernel/time/timer.c:1649 kobject: 'tx-0' (ffff88807f0e12d8): calling ktype release __do_softirq+0x244/0x9a0 kernel/softirq.c:288 kobject: 'tx-0': free name invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x160/0x1b0 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x146/0x5e0 arch/x86/kernel/apic/apic.c:1102 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792 kobject: 'queues' (ffff888044472448): kobject_cleanup, parent (null) RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline] RIP: 0010:compound_head include/linux/page-flags.h:147 [inline] RIP: 0010:PageAnon include/linux/page-flags.h:406 [inline] RIP: 0010:zap_pte_range mm/memory.c:1332 [inline] RIP: 0010:zap_pmd_range mm/memory.c:1444 [inline] RIP: 0010:zap_pud_range mm/memory.c:1473 [inline] RIP: 0010:zap_p4d_range mm/memory.c:1494 [inline] RIP: 0010:unmap_page_range+0x935/0x19f0 mm/memory.c:1515 RSP: 0000:ffff888089b7f780 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: 1ffffd4000478c24 RBX: dffffc0000000000 RCX: ffff888089b7f990 RDX: 0000000000000000 RSI: ffff888089b7f990 RDI: ffff888089b7f9a8 RBP: ffff888089b7f8c0 R08: ffff888089b7f9b8 R09: 0000000000000000 kobject: 'queues' (ffff888044472448): calling ktype release R10: 0000000000000000 R11: ffff8880a0e98000 R12: ffffea00023c6120 R13: ffffea00023c6100 R14: 00007ffac6f17000 R15: 00007ffac6f16000 kobject: 'queues' (ffff888044472448): kset_release unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560 unmap_vmas+0xac/0x170 mm/memory.c:1590 exit_mmap+0x285/0x4e0 mm/mmap.c:3062 kobject: 'queues': free name __mmput kernel/fork.c:930 [inline] mmput+0x114/0x440 kernel/fork.c:951 exit_mm kernel/exit.c:545 [inline] do_exit+0x6fc/0x2c80 kernel/exit.c:841 kobject: 'sit0' (ffff888095de6df0): kobject_uevent_env do_group_exit+0x111/0x330 kernel/exit.c:951 get_signal+0x381/0x1cd0 kernel/signal.c:2413 kobject: 'sit0' (ffff888095de6df0): kobject_uevent_env: uevent_suppress caused the event to drop! do_signal+0x86/0x19a0 arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x15c/0x220 arch/x86/entry/common.c:160 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 RIP: 0033:0x45a919 RSP: 002b:00007ffac4e06c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffe0 RBX: 0000000000000003 RCX: 000000000045a919 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffac4e076d4 R13: 00000000004c942e R14: 00000000004e11b0 R15: 00000000ffffffff kobject: 'sit0' (ffff888095de6df0): kobject_cleanup, parent (null) kobject: 'loop5' (ffff8880a41b6d60): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6d60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'sit0' (ffff888095de6df0): calling ktype release kobject: 'loop3' (ffff8880a40e23e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e23e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'sit0': free name kobject: 'loop4' (ffff8880a40f8ce0): kobject_uevent_env kobject: 'loop4' (ffff8880a40f8ce0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff88809fbe2490): kobject_cleanup, parent ffff88803c5f9e48 kobject: 'rx-0' (ffff88809fbe2490): auto cleanup 'remove' event kobject: 'rx-0' (ffff88809fbe2490): kobject_uevent_env kobject: 'rx-0' (ffff88809fbe2490): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (ffff88809fbe2490): auto cleanup kobject_del kobject: 'rx-0' (ffff88809fbe2490): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff8880a972ba18): kobject_cleanup, parent ffff88803c5f9e48 kobject: 'tx-0' (ffff8880a972ba18): auto cleanup 'remove' event kobject: 'tx-0' (ffff8880a972ba18): kobject_uevent_env kobject: 'tx-0' (ffff8880a972ba18): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (ffff8880a972ba18): auto cleanup kobject_del kobject: 'tx-0' (ffff8880a972ba18): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff88803c5f9e48): kobject_cleanup, parent (null) kobject: 'queues' (ffff88803c5f9e48): calling ktype release kobject: 'queues' (ffff88803c5f9e48): kset_release kobject: 'queues': free name kobject: 'ip6_vti0' (ffff88808eea65b0): kobject_uevent_env kobject: 'ip6_vti0' (ffff88808eea65b0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (ffff8880a40f8ce0): kobject_uevent_env kobject: 'loop4' (ffff8880a40f8ce0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'ip6_vti0' (ffff88808eea65b0): kobject_cleanup, parent (null) kobject: 'ip6_vti0' (ffff88808eea65b0): calling ktype release kobject: 'loop1' (ffff8880a47ecba0): kobject_uevent_env kobject: 'loop1' (ffff8880a47ecba0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (ffff888219477250): kobject_uevent_env kobject: 'kvm' (ffff888219477250): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'ip6_vti0': free name kobject: 'kvm' (ffff888219477250): kobject_uevent_env kobject: 'kvm' (ffff888219477250): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'rx-0' (ffff8880a75206d0): kobject_cleanup, parent ffff888044472d48 kobject: 'loop1' (ffff8880a47ecba0): kobject_uevent_env kobject: 'loop1' (ffff8880a47ecba0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (ffff8880a75206d0): auto cleanup 'remove' event kobject: 'rx-0' (ffff8880a75206d0): kobject_uevent_env kobject: 'loop1' (ffff8880a47ecba0): kobject_uevent_env kobject: 'loop1' (ffff8880a47ecba0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (ffff8880a75206d0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (ffff8880a40e23e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e23e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (ffff8880a75206d0): auto cleanup kobject_del kobject: 'loop5' (ffff8880a41b6d60): kobject_uevent_env kobject: 'rx-0' (ffff8880a75206d0): calling ktype release kobject: 'rx-0': free name kobject: 'loop5' (ffff8880a41b6d60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (ffff88808b9e07d8): kobject_cleanup, parent ffff888044472d48 kobject: 'tx-0' (ffff88808b9e07d8): auto cleanup 'remove' event kobject: 'tx-0' (ffff88808b9e07d8): kobject_uevent_env kobject: 'loop1' (ffff8880a47ecba0): kobject_uevent_env kobject: 'tx-0' (ffff88808b9e07d8): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop1' (ffff8880a47ecba0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (ffff88808b9e07d8): auto cleanup kobject_del kobject: 'loop4' (ffff8880a40f8ce0): kobject_uevent_env kobject: 'tx-0' (ffff88808b9e07d8): calling ktype release kobject: 'loop4' (ffff8880a40f8ce0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0': free name kobject: 'queues' (ffff888044472d48): kobject_cleanup, parent (null) kobject: 'queues' (ffff888044472d48): calling ktype release kobject: 'queues' (ffff888044472d48): kset_release kobject: 'queues': free name kobject: 'ip_vti0' (ffff8880a8641270): kobject_uevent_env kobject: 'ip_vti0' (ffff8880a8641270): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop5' (ffff8880a41b6d60): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6d60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'ip_vti0' (ffff8880a8641270): kobject_cleanup, parent (null) kobject: 'loop0' (ffff888094ea32e0): kobject_uevent_env kobject: 'ip_vti0' (ffff8880a8641270): calling ktype release kobject: 'ip_vti0': free name kobject: 'batman_adv' (ffff88809f0fcb80): kobject_uevent_env kobject: 'loop0' (ffff888094ea32e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'batman_adv' (ffff88809f0fcb80): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop1' (ffff8880a47ecba0): kobject_uevent_env kobject: 'batman_adv' (ffff88809f0fcb80): kobject_cleanup, parent (null) kobject: 'batman_adv' (ffff88809f0fcb80): calling ktype release kobject: (ffff88809f0fcb80): dynamic_kobj_release kobject: 'loop1' (ffff8880a47ecba0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'batman_adv': free name kobject: 'rx-0' (ffff8880a9493190): kobject_cleanup, parent ffff88803c5f9448 kobject: 'rx-0' (ffff8880a9493190): auto cleanup 'remove' event kobject: 'loop1' (ffff8880a47ecba0): kobject_uevent_env kobject: 'rx-0' (ffff8880a9493190): kobject_uevent_env kobject: 'loop1' (ffff8880a47ecba0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (ffff8880a9493190): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop5' (ffff8880a41b6d60): kobject_uevent_env kobject: 'rx-0' (ffff8880a9493190): auto cleanup kobject_del kobject: 'loop5' (ffff8880a41b6d60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (ffff8880a9493190): calling ktype release kobject: 'rx-0': free name kobject: 'loop0' (ffff888094ea32e0): kobject_uevent_env kobject: 'tx-0' (ffff888080cc1d58): kobject_cleanup, parent ffff88803c5f9448 kobject: 'loop0' (ffff888094ea32e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'tx-0' (ffff888080cc1d58): auto cleanup 'remove' event kobject: 'loop5' (ffff8880a41b6d60): kobject_uevent_env kobject: 'tx-0' (ffff888080cc1d58): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6d60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (ffff888080cc1d58): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (ffff8880a40f8ce0): kobject_uevent_env kobject: 'tx-0' (ffff888080cc1d58): auto cleanup kobject_del kobject: 'loop4' (ffff8880a40f8ce0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (ffff888080cc1d58): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff88803c5f9448): kobject_cleanup, parent (null) kobject: 'queues' (ffff88803c5f9448): calling ktype release kobject: 'loop3' (ffff8880a40e23e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40e23e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'queues' (ffff88803c5f9448): kset_release kobject: 'queues': free name kobject: 'erspan0' (ffff88803e6b1070): kobject_uevent_env kobject: 'loop1' (ffff8880a47ecba0): kobject_uevent_env kobject: 'loop1' (ffff8880a47ecba0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'erspan0' (ffff88803e6b1070): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop0' (ffff888094ea32e0): kobject_uevent_env kobject: 'erspan0' (ffff88803e6b1070): kobject_cleanup, parent (null) kobject: 'loop0' (ffff888094ea32e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'erspan0' (ffff88803e6b1070): calling ktype release kobject: 'erspan0': free name kobject: 'loop5' (ffff8880a41b6d60): kobject_uevent_env device gretap0 left promiscuous mode kobject: 'loop5' (ffff8880a41b6d60): fill_kobj_path: path = '/devices/virtual/block/loop5' bridge0: port 1(gretap0) entered disabled state kobject: 'brport' (ffff8880a4e80610): kobject_uevent_env kobject: 'brport' (ffff8880a4e80610): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop1' (ffff8880a47ecba0): kobject_uevent_env kobject: 'loop1' (ffff8880a47ecba0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'batman_adv' (ffff8880986e6500): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6d60): kobject_uevent_env kobject: 'brport' (ffff8880a4e80610): kobject_cleanup, parent (null) kobject: 'loop5' (ffff8880a41b6d60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'brport' (ffff8880a4e80610): calling ktype release kobject: 'brport': free name kobject: 'batman_adv' (ffff8880986e6500): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (ffff8880986e6500): kobject_cleanup, parent (null) kobject: 'batman_adv' (ffff8880986e6500): calling ktype release kobject: (ffff8880986e6500): dynamic_kobj_release kobject: 'loop4' (ffff8880a40f8ce0): kobject_uevent_env kobject: 'loop4' (ffff8880a40f8ce0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'batman_adv': free name kobject: 'rx-0' (ffff88808b319190): kobject_cleanup, parent ffff88809e833d48 kobject: 'loop5' (ffff8880a41b6d60): kobject_uevent_env kobject: 'rx-0' (ffff88808b319190): auto cleanup 'remove' event kobject: 'rx-0' (ffff88808b319190): kobject_uevent_env kobject: 'loop5' (ffff8880a41b6d60): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (ffff88808b319190): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (ffff88808b319190): auto cleanup kobject_del kobject: 'rx-0' (ffff88808b319190): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff888091766d18): kobject_cleanup, parent ffff88809e833d48 kobject: 'loop1' (ffff8880a47ecba0): kobject_uevent_env kobject: 'tx-0' (ffff888091766d18): auto cleanup 'remove' event kobject: 'tx-0' (ffff888091766d18): kobject_uevent_env kobject: 'tx-0' (ffff888091766d18): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop1' (ffff8880a47ecba0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (ffff888091766d18): auto cleanup kobject_del kobject: 'tx-0' (ffff888091766d18): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff88809e833d48): kobject_cleanup, parent (null) kobject: 'queues' (ffff88809e833d48): calling ktype release kobject: 'queues' (ffff88809e833d48): kset_release kobject: 'queues': free name kobject: 'gretap0' (ffff88808b0d2e70): kobject_uevent_env kobject: 'gretap0' (ffff88808b0d2e70): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop0' (ffff888094ea32e0): kobject_uevent_env kobject: 'gretap0' (ffff88808b0d2e70): kobject_cleanup, parent (null) kobject: 'loop0' (ffff888094ea32e0): fill_kobj_path: path = '/devices/virtual/block/loop0' TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. kobject: 'gretap0' (ffff88808b0d2e70): calling ktype release