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.0:14962 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 D28288 14962 13706 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 tun_detach drivers/net/tun.c:759 [inline] tun_chr_close+0x3a/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: 0033:0x7fb4f0dfce99 Code: Bad RIP value. RSP: 002b:00007fb4ef772218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007fb4f0f0ff68 RCX: 00007fb4f0dfce99 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fb4f0f0ff68 RBP: 00007fb4f0f0ff60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb4f0f0ff6c R13: 00007ffcff90438f R14: 00007fb4ef772300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by ksoftirqd/1/18: 1 lock held by khungtaskd/1570: #0: 000000006e8cd020 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 4 locks held by kworker/u4:5/3572: #0: 00000000aded60fe ((wq_completion)"%s""netns"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000bd80592b (net_cleanup_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 000000004894cc29 (pernet_ops_rwsem){++++}, at: cleanup_net+0xa8/0x8b0 net/core/net_namespace.c:521 #3: 00000000b7a21d85 (rtnl_mutex){+.+.}, at: netdev_run_todo+0x719/0xab0 net/core/dev.c:9005 1 lock held by in:imklog/7802: #0: 000000007bb332a9 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 2 locks held by agetty/7804: #0: 000000007034e763 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 000000005e862f87 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154 3 locks held by kworker/1:4/9337: #0: 00000000d6766e34 ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000df6b5e92 ((linkwatch_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000b7a21d85 (rtnl_mutex){+.+.}, at: linkwatch_event+0xb/0x60 net/core/link_watch.c:236 3 locks held by kworker/1:2/30018: #0: 0000000074b4ba8e ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000c3477d5b ((addr_chk_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000b7a21d85 (rtnl_mutex){+.+.}, at: addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4476 2 locks held by kworker/0:8/15069: 2 locks held by syz-executor.5/13695: #0: 00000000b7a21d85 (rtnl_mutex){+.+.}, at: tun_detach drivers/net/tun.c:759 [inline] #0: 00000000b7a21d85 (rtnl_mutex){+.+.}, at: tun_chr_close+0x3a/0x180 drivers/net/tun.c:3323 #1: 0000000095dd7287 (rcu_preempt_state.exp_mutex){+.+.}, at: exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline] #1: 0000000095dd7287 (rcu_preempt_state.exp_mutex){+.+.}, at: _synchronize_rcu_expedited+0x256/0x6f0 kernel/rcu/tree_exp.h:667 1 lock held by syz-executor.2/14841: #0: 00000000b7a21d85 (rtnl_mutex){+.+.}, at: netdev_run_todo+0x719/0xab0 net/core/dev.c:9005 1 lock held by syz-executor.0/14962: #0: 00000000b7a21d85 (rtnl_mutex){+.+.}, at: tun_detach drivers/net/tun.c:759 [inline] #0: 00000000b7a21d85 (rtnl_mutex){+.+.}, at: tun_chr_close+0x3a/0x180 drivers/net/tun.c:3323 1 lock held by syz-executor.4/15106: #0: 00000000b7a21d85 (rtnl_mutex){+.+.}, at: netdev_run_todo+0x719/0xab0 net/core/dev.c:9005 3 locks held by syz-executor.1/15135: #0: 0000000007f6c386 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #0: 0000000007f6c386 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 #1: 000000006e8cd020 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 000000006e8cd020 (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 #2: 000000005cdf4172 (mount_lock#2){+.+.}, at: put_mnt_ns fs/namespace.c:3271 [inline] #2: 000000005cdf4172 (mount_lock#2){+.+.}, at: put_mnt_ns+0x5f/0x80 fs/namespace.c:3267 1 lock held by syz-executor.1/15177: #0: 00000000939bcf1d (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000939bcf1d (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.1/15201: #0: 00000000939bcf1d (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000939bcf1d (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.1/15208: #0: 00000000939bcf1d (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000939bcf1d (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.1/15236: #0: 00000000939bcf1d (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000939bcf1d (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.1/15250: #0: 00000000939bcf1d (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000939bcf1d (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.1/15258: #0: 00000000939bcf1d (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000939bcf1d (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.1/15272: #0: 00000000939bcf1d (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000939bcf1d (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.1/15278: #0: 00000000939bcf1d (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000939bcf1d (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.1/15308: #0: 00000000939bcf1d (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000939bcf1d (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.1/15327: #0: 00000000939bcf1d (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000939bcf1d (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.1/15367: #0: 00000000939bcf1d (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000939bcf1d (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.1/15374: #0: 00000000939bcf1d (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000939bcf1d (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.1/15415: #0: 00000000939bcf1d (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000939bcf1d (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.1/15472: #0: 00000000939bcf1d (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000939bcf1d (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.1/15477: #0: 00000000939bcf1d (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000939bcf1d (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.1/15492: #0: 00000000939bcf1d (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000939bcf1d (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.1/15583: #0: 0000000054a7732f (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #0: 0000000054a7732f (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 1 lock held by syz-executor.1/15923: #0: 00000000939bcf1d (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000939bcf1d (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.1/15970: #0: 00000000939bcf1d (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000939bcf1d (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.1/16369: #0: 00000000939bcf1d (namespace_sem){++++}, at: namespace_lock fs/namespace.c:1370 [inline] #0: 00000000939bcf1d (namespace_sem){++++}, at: copy_mnt_ns+0x15d/0xad0 fs/namespace.c:2915 1 lock held by syz-executor.1/18912: #0: 0000000095dd7287 (rcu_preempt_state.exp_mutex){+.+.}, at: exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline] #0: 0000000095dd7287 (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: 1570 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: 14705 Comm: kworker/1:5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: rcu_gp wait_rcu_exp_gp RIP: 0010:check_memory_region+0xb1/0x170 mm/kasan/kasan.c:268 Code: 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 74 RSP: 0018:ffff8880469375f8 EFLAGS: 00000046 RAX: fffffbfff19ac63a RBX: 0000000000000000 RCX: ffffffff814afa31 RDX: fffffbfff19ac63a RSI: 0000000000000004 RDI: ffffffff8cd631c8 RBP: fffffbfff19ac639 R08: 0000000000000001 R09: fffffbfff19ac639 R10: ffffffff8cd631cb R11: ffffffff8c66505b R12: 0000000000000001 R13: ffff88802ffec0c0 R14: ffffffff89f85fa0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f190d17803c CR3: 0000000049a76000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: atomic_inc include/asm-generic/atomic-instrumented.h:109 [inline] __lock_acquire+0x251/0x3ff0 kernel/locking/lockdep.c:3308 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 rcu_lock_acquire include/linux/rcupdate.h:242 [inline] rcu_read_lock include/linux/rcupdate.h:627 [inline] cgroup_account_cputime include/linux/cgroup.h:769 [inline] update_curr+0x2f3/0x870 kernel/sched/fair.c:858 enqueue_entity+0xdba/0x3850 kernel/sched/fair.c:3955 enqueue_task_fair+0x12e/0x2270 kernel/sched/fair.c:5177 ttwu_activate kernel/sched/core.c:1639 [inline] ttwu_do_activate+0xce/0x1e0 kernel/sched/core.c:1698 ttwu_queue kernel/sched/core.c:1843 [inline] try_to_wake_up+0x700/0x1050 kernel/sched/core.c:2052 autoremove_wake_function+0x12/0x140 kernel/sched/wait.c:375 __wake_up_common+0x147/0x650 kernel/sched/wait.c:92 __wake_up_common_lock+0x10a/0x170 kernel/sched/wait.c:126 rcu_exp_wait_wake+0x1fb/0x480 kernel/rcu/tree_exp.h:616 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 ---------------- Code disassembly (best guess): 0: 08 48 39 or %cl,0x39(%rax) 3: d0 74 7b 48 shlb 0x48(%rbx,%rdi,2) 7: 83 38 00 cmpl $0x0,(%rax) a: 74 f1 je 0xfffffffd c: 48 8d 50 08 lea 0x8(%rax),%rdx 10: eb 09 jmp 0x1b 12: 48 83 c0 01 add $0x1,%rax 16: 48 39 d0 cmp %rdx,%rax 19: 74 0e je 0x29 1b: 80 38 00 cmpb $0x0,(%rax) 1e: 74 f2 je 0x12 20: 48 85 c0 test %rax,%rax 23: 0f 85 9c 00 00 00 jne 0xc5 29: 5b pop %rbx * 2a: 5d pop %rbp <-- trapping instruction 2b: 41 5c pop %r12 2d: c3 retq 2e: 48 85 d2 test %rdx,%rdx 31: 74 f6 je 0x29 33: 48 01 ea add %rbp,%rdx 36: eb 09 jmp 0x41 38: 48 83 c0 01 add $0x1,%rax 3c: 48 39 d0 cmp %rdx,%rax 3f: 74 .byte 0x74