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 kworker/1:4:8132 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 D25712 8132 2 0x80000000 Workqueue: ipv6_addrconf addrconf_verify_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_verify_work+0xa/0x20 net/ipv6/addrconf.c:4476 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 INFO: task syz-executor.0:12316 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.0 D24120 12316 1 0x80000002 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 __do_sys_exit_group kernel/exit.c:978 [inline] __se_sys_exit_group kernel/exit.c:976 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:976 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fb966323eb9 Code: Bad RIP value. RSP: 002b:00007ffebffca7c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007fb966323eb9 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000043 RBP: 0000000000000000 R08: 000000000000002e R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb96637e0f3 R13: 000000000000000b R14: 0000000000000001 R15: 00007ffebffca9b0 Showing all locks held in the system: 3 locks held by kworker/0:0/5: #0: 00000000f0949170 ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 000000001376424c (deferred_process_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 000000002653f584 (rtnl_mutex){+.+.}, at: switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:150 2 locks held by kworker/1:1/47: 3 locks held by kworker/u4:4/133: 1 lock held by khungtaskd/1571: #0: 00000000ee0799a7 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by khugepaged/1578: 1 lock held by in:imklog/7779: #0: 000000002087ac43 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 3 locks held by kworker/1:4/8132: #0: 0000000055131884 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 000000009bc6dad0 ((addr_chk_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 000000002653f584 (rtnl_mutex){+.+.}, at: addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4476 2 locks held by agetty/24986: #0: 0000000056d9e64d (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 0000000068b9b24e (&tty->atomic_write_lock){+.+.}, at: tty_write_lock drivers/tty/tty_io.c:886 [inline] #1: 0000000068b9b24e (&tty->atomic_write_lock){+.+.}, at: do_tty_write drivers/tty/tty_io.c:909 [inline] #1: 0000000068b9b24e (&tty->atomic_write_lock){+.+.}, at: tty_write+0x24e/0x810 drivers/tty/tty_io.c:1044 3 locks held by kworker/1:5/14733: #0: 00000000f0949170 ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000b416ff62 ((linkwatch_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 000000002653f584 (rtnl_mutex){+.+.}, at: linkwatch_event+0xb/0x60 net/core/link_watch.c:236 4 locks held by kworker/u4:9/14891: #0: 000000003748e8ca ((wq_completion)"%s""netns"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000989359af (net_cleanup_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 000000002754d911 (pernet_ops_rwsem){++++}, at: cleanup_net+0xa8/0x8b0 net/core/net_namespace.c:521 #3: 000000002653f584 (rtnl_mutex){+.+.}, at: netdev_run_todo+0x719/0xab0 net/core/dev.c:9005 1 lock held by syz-executor.0/12316: #0: 000000002653f584 (rtnl_mutex){+.+.}, at: netdev_run_todo+0x719/0xab0 net/core/dev.c:9005 2 locks held by syz-executor.2/12473: #0: 000000002653f584 (rtnl_mutex){+.+.}, at: tun_detach drivers/net/tun.c:759 [inline] #0: 000000002653f584 (rtnl_mutex){+.+.}, at: tun_chr_close+0x3a/0x180 drivers/net/tun.c:3323 #1: 00000000a2588b1d (rcu_preempt_state.exp_mutex){+.+.}, at: exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline] #1: 00000000a2588b1d (rcu_preempt_state.exp_mutex){+.+.}, at: _synchronize_rcu_expedited+0x256/0x6f0 kernel/rcu/tree_exp.h:667 1 lock held by syz-executor.5/15303: #0: 00000000cbad5703 (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000cbad5703 (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.5/15379: #0: 00000000cbad5703 (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000cbad5703 (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.5/15393: #0: 00000000cbad5703 (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000cbad5703 (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.5/15413: #0: 00000000cbad5703 (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000cbad5703 (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.5/15446: #0: 00000000cbad5703 (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000cbad5703 (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.5/15507: #0: 00000000cbad5703 (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000cbad5703 (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.5/15628: #0: 00000000cbad5703 (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000cbad5703 (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.5/16476: #0: 00000000a2588b1d (rcu_preempt_state.exp_mutex){+.+.}, at: exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline] #0: 00000000a2588b1d (rcu_preempt_state.exp_mutex){+.+.}, at: _synchronize_rcu_expedited+0x256/0x6f0 kernel/rcu/tree_exp.h:667 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1571 Comm: khungtaskd Not tainted 4.19.211-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: 18489 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:23 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:67 [inline] RIP: 0010:write_comp_data+0xf/0x70 kernel/kcov.c:122 Code: 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 c3 0f 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 c0 df 01 00 <65> 8b 05 7a 59 9f 7e a9 00 01 1f 00 75 4f 8b 86 60 13 00 00 83 f8 RSP: 0018:ffff888020c8f7b0 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffffea00023de0c0 RCX: ffffffff81941fea RDX: 0000000000000000 RSI: ffff888091f2a400 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffffea00023de0c0 R15: 00007fd16515d000 FS: 00007fd163cd6700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd163cd66bc CR3: 000000004cb9d000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: PageCompound include/linux/page-flags.h:156 [inline] PageHuge+0x3a/0x160 mm/hugetlb.c:1374 page_remove_file_rmap+0x3e/0xa30 mm/rmap.c:1215 page_remove_rmap+0xe5/0x120 mm/rmap.c:1297 zap_pte_range mm/memory.c:1350 [inline] zap_pmd_range mm/memory.c:1463 [inline] zap_pud_range mm/memory.c:1492 [inline] zap_p4d_range mm/memory.c:1513 [inline] unmap_page_range+0x147d/0x2c50 mm/memory.c:1534 unmap_single_vma+0x198/0x300 mm/memory.c:1579 unmap_vmas+0xa9/0x180 mm/memory.c:1609 exit_mmap+0x2b9/0x530 mm/mmap.c:3093 __mmput kernel/fork.c:1016 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1037 copy_process.part.0+0x57e4/0x8260 kernel/fork.c:2119 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fd1653a2eb9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd163cd6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fd1654b6100 RCX: 00007fd1653a2eb9 RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000000000020000 RBP: 00007fd1653fd08d R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd750d43cf R14: 00007fd163cd6300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 8b 11 mov (%rcx),%edx 2: 48 83 c2 01 add $0x1,%rdx 6: 48 39 d0 cmp %rdx,%rax 9: 76 07 jbe 0x12 b: 48 89 34 d1 mov %rsi,(%rcx,%rdx,8) f: 48 89 11 mov %rdx,(%rcx) 12: c3 retq 13: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 1a: 00 1b: 49 89 f1 mov %rsi,%r9 1e: 49 89 fa mov %rdi,%r10 21: 65 48 8b 34 25 c0 df mov %gs:0x1dfc0,%rsi 28: 01 00 * 2a: 65 8b 05 7a 59 9f 7e mov %gs:0x7e9f597a(%rip),%eax # 0x7e9f59ab <-- trapping instruction 31: a9 00 01 1f 00 test $0x1f0100,%eax 36: 75 4f jne 0x87 38: 8b 86 60 13 00 00 mov 0x1360(%rsi),%eax 3e: 83 .byte 0x83 3f: f8 clc