ieee802154 phy1 wpan1: encryption failed: -22 ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.1:18283 blocked for more than 140 seconds. Not tainted 4.19.177-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D23672 18283 8107 0x00000004 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_timeout+0x92d/0xfe0 kernel/time/timer.c:1794 do_wait_for_common kernel/sched/completion.c:83 [inline] __wait_for_common kernel/sched/completion.c:104 [inline] wait_for_common+0x29c/0x470 kernel/sched/completion.c:115 __flush_work+0x4bb/0x8b0 kernel/workqueue.c:2925 flush_all_backlogs net/core/dev.c:5283 [inline] rollback_registered_many+0x4b1/0xe70 net/core/dev.c:8173 unregister_netdevice_many.part.0+0x1a/0x300 net/core/dev.c:9316 unregister_netdevice_many+0x36/0x50 net/core/dev.c:9315 rtnl_newlink+0x12fd/0x15b0 net/core/rtnetlink.c:3185 rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4778 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1909 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:632 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2115 __sys_sendmsg net/socket.c:2153 [inline] __do_sys_sendmsg net/socket.c:2162 [inline] __se_sys_sendmsg net/socket.c:2160 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2160 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x465ef9 Code: Bad RIP value. RSP: 002b:00007fedf0fca188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465ef9 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000006 RBP: 00000000004bfa34 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffd72684ebf R14: 00007fedf0fca300 R15: 0000000000022000 Showing all locks held in the system: 3 locks held by kworker/u4:0/7: #0: 000000006b0bb29f ((wq_completion)"%s""netns"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2123 #1: 0000000055ca7e1b (net_cleanup_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2127 #2: 000000003c661e0c (pernet_ops_rwsem){++++}, at: cleanup_net+0xa8/0x8b0 net/core/net_namespace.c:520 1 lock held by khungtaskd/1567: #0: 0000000035db8b8a (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4440 1 lock held by systemd-journal/4680: 1 lock held by in:imklog/7793: #0: 000000001bf05aa9 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 3 locks held by rs:main Q:Reg/7794: #0: 000000008a355eee (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1824 [inline] #0: 000000008a355eee (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 #1: 0000000035db8b8a (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 0000000035db8b8a (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 #2: 00000000c13196e9 (&sb->s_type->i_mutex_key#10){+.+.}, at: inode_trylock include/linux/fs.h:768 [inline] #2: 00000000c13196e9 (&sb->s_type->i_mutex_key#10){+.+.}, at: ext4_file_write_iter+0x21f/0xf20 fs/ext4/file.c:238 6 locks held by kworker/u4:7/9549: 1 lock held by syz-executor.3/17668: 2 locks held by syz-executor.1/18283: #0: 000000007bcb1711 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 000000007bcb1711 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4775 #1: 0000000063dd7cc8 (cpu_hotplug_lock.rw_sem){++++}, at: get_online_cpus include/linux/cpu.h:137 [inline] #1: 0000000063dd7cc8 (cpu_hotplug_lock.rw_sem){++++}, at: flush_all_backlogs net/core/dev.c:5276 [inline] #1: 0000000063dd7cc8 (cpu_hotplug_lock.rw_sem){++++}, at: rollback_registered_many+0x3a8/0xe70 net/core/dev.c:8173 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1567 Comm: khungtaskd Not tainted 4.19.177-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 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 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 17668 Comm: syz-executor.3 Not tainted 4.19.177-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rcu_read_lock_sched_held+0xd3/0x1d0 kernel/rcu/update.c:115 Code: c0 03 38 d0 7c 08 84 d2 0f 85 dd 00 00 00 8b 95 84 08 00 00 85 d2 75 b4 e8 0a da 00 00 84 c0 0f 84 88 00 00 00 e8 3d 8c 00 00 <84> c0 74 7f 48 b8 00 00 00 00 00 fc ff df 48 89 da 83 e3 07 48 c1 RSP: 0000:ffff8880610bfb50 EFLAGS: 00000086 RAX: 0000000000000001 RBX: ffffffff8a45cd80 RCX: 0000000000000000 RDX: 0000000000000004 RSI: ffffffff8375a0d1 RDI: 0000000000000001 RBP: ffff8880b4ca4580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 00000000d44a52b3 R12: 0000000000000000 R13: 000000000000000b R14: 0000000000000400 R15: ffff8880b4ca4c88 FS: 00007f36e1fac700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffec2d6f4f CR3: 00000000962a9000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_signal_generate include/trace/events/signal.h:51 [inline] __send_signal+0x122d/0x15c0 kernel/signal.c:1199 specific_send_sig_info kernel/signal.c:1258 [inline] force_sig_info+0x262/0x3b0 kernel/signal.c:1310 force_sig_info_fault.constprop.0+0x1e6/0x320 arch/x86/mm/fault.c:226 __bad_area_nosemaphore+0x2c1/0x400 arch/x86/mm/fault.c:910 __bad_area arch/x86/mm/fault.c:944 [inline] bad_area_access_error+0x25c/0x4a0 arch/x86/mm/fault.c:983 __do_page_fault+0xb09/0xd60 arch/x86/mm/fault.c:1392 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7fffec2d6f4f Code: 00 00 00 60 bf 56 00 00 00 00 00 eb 8c 03 00 00 00 00 00 12 1a 41 00 00 00 00 00 01 80 ad fb 00 00 00 00 70 72 2d ec ff 7f 00 <01> 60 bf 56 00 00 00 00 00 60 bf 56 00 00 00 00 00 c0 80 56 00 00 RSP: 002b:00007f36e1fac220 EFLAGS: 00010206 RAX: 0000000000000000 RBX: 000000000056bf68 RCX: 00000000004c086d RDX: 00000000000566d6 RSI: 0000000000001f20 RDI: 00000000004d056a RBP: 000000000056bf60 R08: 0000000000000000 R09: 000000000000000e R10: 0016eb4319873f8f R11: 0000000000000001 R12: 000000000056bf6c R13: 00007fffec2d6f4f R14: 00007f36e1fac300 R15: 0000000000022000