ieee802154 phy1 wpan1: encryption failed: -22 ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci0: command 0x0409 tx timeout INFO: task syz-executor.4:1907 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D24120 1907 1 0x80000006 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 netdev_run_todo+0x719/0xab0 net/core/dev.c:9005 tun_detach drivers/net/tun.c:765 [inline] tun_chr_close+0xf5/0x180 drivers/net/tun.c:3323 __fput+0x2ce/0x890 fs/file_table.c:278 task_work_run+0x148/0x1c0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0xbf3/0x2be0 kernel/exit.c:870 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f4c95ac74fc Code: Bad RIP value. RSP: 002b:00007ffc174b00e0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: 0000000000000024 RBX: 00007f4c9675e320 RCX: 00007f4c95ac74fc RDX: 0000000000000024 RSI: 00007f4c9675e370 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffc174b0134 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007f4c9675e370 R14: 0000000000000003 R15: 0000000000000000 INFO: task kworker/1:4:3071 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/1:4 D29648 3071 2 0x80000000 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 addrconf_dad_work+0x9c/0x10a0 net/ipv6/addrconf.c:3989 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 00000000c06fcbc4 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by systemd-journal/4694: 5 locks held by kworker/0:3/7829: 2 locks held by syz-fuzzer/8161: 4 locks held by kworker/u4:6/9390: #0: 000000001ebc21de ((wq_completion)"%s""netns"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 000000004d5fd9a9 (net_cleanup_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000bb12dfaf (pernet_ops_rwsem){++++}, at: cleanup_net+0xa8/0x8b0 net/core/net_namespace.c:521 #3: 00000000f9736c16 (rtnl_mutex){+.+.}, at: netdev_run_todo+0x719/0xab0 net/core/dev.c:9005 1 lock held by syz-executor.2/1791: 1 lock held by syz-executor.4/1907: #0: 00000000f9736c16 (rtnl_mutex){+.+.}, at: netdev_run_todo+0x719/0xab0 net/core/dev.c:9005 3 locks held by kworker/1:4/3071: #0: 000000003f69b8e2 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 000000006741d053 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000f9736c16 (rtnl_mutex){+.+.}, at: addrconf_dad_work+0x9c/0x10a0 net/ipv6/addrconf.c:3989 2 locks held by syz-executor.0/3092: 1 lock held by syz-executor.3/3173: #0: 00000000f9736c16 (rtnl_mutex){+.+.}, at: netdev_run_todo+0x719/0xab0 net/core/dev.c:9005 2 locks held by syz-executor.2/3186: #0: 00000000bb12dfaf (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000f9736c16 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 1 lock held by syz-executor.2/3240: #0: 00000000f9736c16 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 00000000f9736c16 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x991/0xe60 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 1791 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 RIP: 0010:check_memory_region+0xb0/0x170 mm/kasan/kasan.c:268 Code: c0 08 48 39 d0 74 7b 48 83 38 00 74 f1 48 8d 50 08 eb 09 48 83 c0 01 48 39 d0 74 0e 80 38 00 74 f2 48 85 c0 0f 85 9c 00 00 00 <5b> 5d 41 5c c3 48 85 d2 74 f6 48 01 ea eb 09 48 83 c0 01 48 39 d0 RSP: 0018:ffff8880ba007f20 EFLAGS: 00000246 RAX: ffffed101740455b RBX: ffffed101740455b RCX: ffffffff81518c83 RDX: ffffed101740455b RSI: 0000000000000004 RDI: ffff8880ba022ad0 RBP: ffffed101740455a R08: 0000000000000000 R09: ffffed101740455a R10: ffff8880ba022ad3 R11: 0000000000000000 R12: 0000000000000006 R13: 0000000000000101 R14: 0000000000000006 R15: dffffc0000000000 FS: 0000555556374400(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c01f7e7000 CR3: 0000000099ef8000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: atomic_read include/asm-generic/atomic-instrumented.h:21 [inline] rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:350 [inline] rcu_is_watching+0x53/0xc0 kernel/rcu/tree.c:1025 rcu_read_lock_sched_held+0xc6/0x1d0 kernel/rcu/update.c:113 trace_softirq_exit include/trace/events/irq.h:142 [inline] __do_softirq+0x7f1/0x980 kernel/softirq.c:293 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092 do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336 do_softirq kernel/softirq.c:328 [inline] __local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189 local_bh_enable include/linux/bottom_half.h:32 [inline] get_next_corpse net/netfilter/nf_conntrack_core.c:1907 [inline] nf_ct_iterate_cleanup+0x239/0x520 net/netfilter/nf_conntrack_core.c:1930 nf_ct_iterate_cleanup_net net/netfilter/nf_conntrack_core.c:2015 [inline] nf_ct_iterate_cleanup_net+0x113/0x170 net/netfilter/nf_conntrack_core.c:2000 masq_device_event+0xae/0xe0 net/ipv6/netfilter/nf_nat_masquerade_ipv6.c:77 notifier_call_chain+0xc0/0x230 kernel/notifier.c:93 call_netdevice_notifiers net/core/dev.c:1762 [inline] dev_close_many+0x323/0x670 net/core/dev.c:1514 rollback_registered_many+0x2f7/0xe70 net/core/dev.c:8173 rollback_registered+0xe9/0x1b0 net/core/dev.c:8238 unregister_netdevice_queue+0x1de/0x3e0 net/core/dev.c:9305 unregister_netdevice include/linux/netdevice.h:2615 [inline] __tun_detach+0x100d/0x1320 drivers/net/tun.c:745 tun_detach drivers/net/tun.c:762 [inline] tun_chr_close+0xd9/0x180 drivers/net/tun.c:3323 __fput+0x2ce/0x890 fs/file_table.c:278 task_work_run+0x148/0x1c0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0xbf3/0x2be0 kernel/exit.c:870 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7feee01b24fc Code: Bad RIP value. RSP: 002b:00007ffdaa84e2d0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: 0000000000000024 RBX: 00007feee0e49320 RCX: 00007feee01b24fc RDX: 0000000000000024 RSI: 00007feee0e49370 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffdaa84e324 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007feee0e49370 R14: 0000000000000003 R15: 0000000000000000