FAT-fs (loop5): Unrecognized mount option "nnonumtail=1" or missing value ieee802154 phy1 wpan1: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task kworker/u4:0:7280 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/u4:0 D26048 7280 2 0x80000000 Workqueue: events_unbound fsnotify_connector_destroy_workfn 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 __synchronize_srcu+0x124/0x210 kernel/rcu/srcutree.c:936 fsnotify_connector_destroy_workfn+0x49/0xa0 fs/notify/mark.c:174 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 kworker/u4:1:12646 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/u4:1 D24568 12646 2 0x80000000 Workqueue: events_unbound fsnotify_mark_destroy_workfn 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 __synchronize_srcu+0x124/0x210 kernel/rcu/srcutree.c:936 fsnotify_mark_destroy_workfn+0xfd/0x340 fs/notify/mark.c:795 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.4:491 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 D28648 491 8130 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 _synchronize_rcu_expedited+0x419/0x6f0 kernel/rcu/tree_exp.h:686 synchronize_rcu+0xc6/0x160 kernel/rcu/tree_plugin.h:818 synchronize_net+0x47/0x50 net/core/dev.c:9281 packet_release+0x973/0xb70 net/packet/af_packet.c:3069 __sock_release+0xcd/0x2a0 net/socket.c:599 sock_close+0x15/0x20 net/socket.c:1214 __fput+0x2ce/0x890 fs/file_table.c:278 task_work_run+0x148/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167 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: 0033:0x7f92d271dc9b Code: Bad RIP value. RSP: 002b:00007ffcd350d970 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f92d271dc9b RDX: 0000001b2fc20000 RSI: 0000001b2fc2834c RDI: 0000000000000003 RBP: 00007f92d287f960 R08: 0000000000000000 R09: 000000003253460c R10: 0002fcd34d91677f R11: 0000000000000293 R12: 00000000002d1f2b R13: 00007ffcd350da70 R14: 00007ffcd350da90 R15: 0000000000000032 INFO: task syz-executor.1:500 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.1 D28416 500 8132 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:2926 p9_mux_poll_stop net/9p/trans_fd.c:190 [inline] p9_conn_destroy net/9p/trans_fd.c:898 [inline] p9_fd_close+0x290/0x520 net/9p/trans_fd.c:934 p9_client_create+0x901/0x12e0 net/9p/client.c:1084 v9fs_session_init+0x1dd/0x1770 fs/9p/v9fs.c:421 v9fs_mount+0x73/0x910 fs/9p/vfs_super.c:135 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2492 [inline] do_mount+0x115c/0x2f50 fs/namespace.c:2822 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fa0a59fd059 Code: Bad RIP value. RSP: 002b:00007fa0a4372168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fa0a5b0ff60 RCX: 00007fa0a59fd059 RDX: 0000000020000180 RSI: 0000000020000140 RDI: 0000000000000000 RBP: 00007fa0a5a5708d R08: 0000000020004c80 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe80236d0f R14: 00007fa0a4372300 R15: 0000000000022000 INFO: task syz-executor.3:498 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.3 D28648 498 22216 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:2926 fsnotify_destroy_group+0x13e/0x300 fs/notify/group.c:88 inotify_release+0x46/0x80 fs/notify/inotify/inotify_user.c:281 __fput+0x2ce/0x890 fs/file_table.c:278 task_work_run+0x148/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167 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: 0033:0x7f4fce899c9b Code: Bad RIP value. RSP: 002b:00007ffc13d72bd0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 000000000000000d RCX: 00007f4fce899c9b RDX: 00007f4fce9ff5e0 RSI: ffffffffffffffff RDI: 000000000000000c RBP: 00007f4fce9fb960 R08: 0000000000000000 R09: 00007f4fce9ff5e8 R10: 00007ffc13d72cd0 R11: 0000000000000293 R12: 00000000002d1c19 R13: 00007ffc13d72cd0 R14: 00007f4fce9f9f60 R15: 0000000000000032 Showing all locks held in the system: 1 lock held by khungtaskd/1571: #0: 00000000ff775644 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7774: #0: 0000000076467d0a (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 3 locks held by kworker/u4:7/9444: #0: 000000005f432da2 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #0: 000000005f432da2 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 #1: 00000000ff775644 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000ff775644 (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 #2: 00000000bc05d2b2 (&wdev->mtx){+.+.}, at: sdata_lock net/mac80211/ieee80211_i.h:977 [inline] #2: 00000000bc05d2b2 (&wdev->mtx){+.+.}, at: ieee80211_ibss_work+0x85/0xe10 net/mac80211/ibss.c:1675 2 locks held by kworker/u4:0/7280: #0: 0000000036c90fe0 ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000605ac65e (connector_reaper_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 2 locks held by kworker/u4:1/12646: #0: 0000000036c90fe0 ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 000000006f252061 ((reaper_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 2 locks held by kworker/0:2/7328: 2 locks held by syz-executor.4/491: #0: 00000000f5411445 (&sb->s_type->i_mutex_key#13){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #0: 00000000f5411445 (&sb->s_type->i_mutex_key#13){+.+.}, at: __sock_release+0x86/0x2a0 net/socket.c:598 #1: 00000000d460665b (rcu_preempt_state.exp_mutex){+.+.}, at: exp_funnel_lock kernel/rcu/tree_exp.h:297 [inline] #1: 00000000d460665b (rcu_preempt_state.exp_mutex){+.+.}, at: _synchronize_rcu_expedited+0x4dc/0x6f0 kernel/rcu/tree_exp.h:667 ============================================= NMI backtrace for cpu 1 CPU: 1 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 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 7328 Comm: kworker/0:2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events p9_poll_workfn RIP: 0010:hlock_class kernel/locking/lockdep.c:145 [inline] RIP: 0010:mark_lock+0x37/0x1160 kernel/locking/lockdep.c:3106 Code: d1 41 89 d7 41 56 4c 8d 76 20 4c 89 f2 41 55 49 89 fd 41 54 48 c1 ea 03 41 bc 01 00 00 00 55 41 d3 e4 48 89 f5 53 48 83 ec 18 <0f> b6 04 02 84 c0 74 08 3c 01 0f 8e f1 07 00 00 0f b7 45 20 66 a9 RSP: 0018:ffff88808fa17a40 EFLAGS: 00000082 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000006 RDX: 1ffff110150b61b2 RSI: ffff8880a85b0d70 RDI: ffff8880a85b04c0 RBP: ffff8880a85b0d70 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000040 R13: ffff8880a85b04c0 R14: ffff8880a85b0d90 R15: 0000000000000006 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f07f70b7000 CR3: 00000000a2128000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: mark_held_locks+0xa6/0xf0 kernel/locking/lockdep.c:2810 __trace_hardirqs_on_caller kernel/locking/lockdep.c:2839 [inline] lockdep_hardirqs_on+0x3a8/0x5c0 kernel/locking/lockdep.c:2884 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] _raw_spin_unlock_irq+0x24/0x80 kernel/locking/spinlock.c:192 spin_unlock_irq include/linux/spinlock.h:379 [inline] ep_scan_ready_list+0x628/0x9a0 fs/eventpoll.c:750 ep_eventpoll_poll+0x10f/0x160 fs/eventpoll.c:940 vfs_poll include/linux/poll.h:90 [inline] p9_fd_poll+0x1c8/0x2c0 net/9p/trans_fd.c:250 p9_poll_mux net/9p/trans_fd.c:638 [inline] p9_poll_workfn+0x2e5/0x4a0 net/9p/trans_fd.c:1158 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: d1 41 89 roll -0x77(%rcx) 3: d7 xlat %ds:(%rbx) 4: 41 56 push %r14 6: 4c 8d 76 20 lea 0x20(%rsi),%r14 a: 4c 89 f2 mov %r14,%rdx d: 41 55 push %r13 f: 49 89 fd mov %rdi,%r13 12: 41 54 push %r12 14: 48 c1 ea 03 shr $0x3,%rdx 18: 41 bc 01 00 00 00 mov $0x1,%r12d 1e: 55 push %rbp 1f: 41 d3 e4 shl %cl,%r12d 22: 48 89 f5 mov %rsi,%rbp 25: 53 push %rbx 26: 48 83 ec 18 sub $0x18,%rsp * 2a: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 74 08 je 0x3a 32: 3c 01 cmp $0x1,%al 34: 0f 8e f1 07 00 00 jle 0x82b 3a: 0f b7 45 20 movzwl 0x20(%rbp),%eax 3e: 66 data16 3f: a9 .byte 0xa9