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.5:8114 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.5 D23440 8114 1 0x00000006 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 quarantine_remove_cache+0xd7/0x100 mm/kasan/quarantine.c:327 shutdown_cache+0xe/0x1e0 mm/slab_common.c:562 kmem_cache_destroy+0x267/0x310 mm/slab_common.c:927 p9_client_destroy+0x250/0x360 net/9p/client.c:1112 v9fs_session_close+0x45/0x2c0 fs/9p/v9fs.c:513 v9fs_kill_super+0x49/0x90 fs/9p/vfs_super.c:233 deactivate_locked_super+0x94/0x160 fs/super.c:329 deactivate_super+0x174/0x1a0 fs/super.c:360 cleanup_mnt+0x1a8/0x290 fs/namespace.c:1098 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: 0033:0x7f9d1de284b7 Code: Bad RIP value. RSP: 002b:00007fff507ffaa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9d1de284b7 RDX: 00007fff507ffb7b RSI: 000000000000000a RDI: 00007fff507ffb70 RBP: 00007fff507ffb70 R08: 00000000ffffffff R09: 00007fff507ff940 R10: 000055555580f903 R11: 0000000000000246 R12: 00007f9d1de801ea R13: 00007fff50800c30 R14: 000055555580f810 R15: 00007fff50800c70 INFO: task kworker/u4:1:8145 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 D26280 8145 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/u4:9:15689 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/u4:9 D26032 15689 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.4:13420 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 13420 1 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 namespace_unlock fs/namespace.c:1363 [inline] do_umount fs/namespace.c:1565 [inline] ksys_umount+0x88b/0x1070 fs/namespace.c:1669 __do_sys_umount fs/namespace.c:1680 [inline] __se_sys_umount fs/namespace.c:1678 [inline] __x64_sys_umount+0x50/0x70 fs/namespace.c:1678 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f146f3b44b7 Code: Bad RIP value. RSP: 002b:00007fff608b17a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f146f3b44b7 RDX: 00007fff608b187b RSI: 000000000000000a RDI: 00007fff608b1870 RBP: 00007fff608b1870 R08: 00000000ffffffff R09: 00007fff608b1640 R10: 000055555731d903 R11: 0000000000000246 R12: 00007f146f40c1ea R13: 00007fff608b2930 R14: 000055555731d810 R15: 00007fff608b2970 INFO: task kworker/u4:2:14269 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/u4:2 D26656 14269 2 0x80000000 Workqueue: netns cleanup_net 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 exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline] _synchronize_rcu_expedited+0x256/0x6f0 kernel/rcu/tree_exp.h:667 synchronize_rcu+0xc6/0x160 kernel/rcu/tree_plugin.h:818 ops_exit_list+0xf9/0x150 net/core/net_namespace.c:156 cleanup_net+0x3b4/0x8b0 net/core/net_namespace.c:554 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.0:21395 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 D27952 21395 15067 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: 0033:0x7fdd5df30049 Code: Bad RIP value. RSP: 002b:00007fdd5c8a5168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fdd5e042f60 RCX: 00007fdd5df30049 RDX: 00000000200000c0 RSI: 0000000020000040 RDI: 0000000000000000 RBP: 00007fdd5df8a08d R08: 0000000020000240 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd06b3e5cf R14: 00007fdd5c8a5300 R15: 0000000000022000 INFO: task syz-executor.2:21420 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.2 D29736 21420 7258 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_sched+0xc1/0x160 kernel/rcu/tree.c:3166 account_event kernel/events/core.c:10035 [inline] perf_event_alloc.part.0+0x2654/0x2eb0 kernel/events/core.c:10235 perf_event_alloc kernel/events/core.c:10559 [inline] __do_sys_perf_event_open kernel/events/core.c:10660 [inline] __se_sys_perf_event_open+0x550/0x2720 kernel/events/core.c:10549 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f1608917049 Code: Bad RIP value. RSP: 002b:00007f160728c168 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f1608a29f60 RCX: 00007f1608917049 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007f160897108d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffbe35a0af R14: 00007f160728c300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1568: #0: 00000000339c3612 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7803: #0: 000000004bd0aa06 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 2 locks held by agetty/8020: #0: 00000000ed897932 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 00000000508f14ef (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154 3 locks held by syz-executor.5/8114: #0: 00000000d7b72ccd (cpu_hotplug_lock.rw_sem){++++}, at: get_online_cpus include/linux/cpu.h:137 [inline] #0: 00000000d7b72ccd (cpu_hotplug_lock.rw_sem){++++}, at: kmem_cache_destroy+0xd8/0x310 mm/slab_common.c:909 #1: 00000000cf476c54 (mem_hotplug_lock.rw_sem){++++}, at: kmem_cache_destroy+0xdd/0x310 mm/slab_common.c:910 #2: 00000000aac14b4b (slab_mutex){+.+.}, at: kmem_cache_destroy+0xeb/0x310 mm/slab_common.c:912 2 locks held by kworker/u4:1/8145: #0: 00000000622b2f12 ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000fbfe5d47 (connector_reaper_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 2 locks held by kworker/1:0/8305: 4 locks held by kworker/u4:3/8692: #0: 00000000dcfe3ed7 ((wq_completion)"%s"wiphy_name(local->hw.wiphy)){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000d981f814 ((work_completion)(&sdata->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 0000000039545fb9 (&wdev->mtx){+.+.}, at: sdata_lock net/mac80211/ieee80211_i.h:977 [inline] #2: 0000000039545fb9 (&wdev->mtx){+.+.}, at: ieee80211_ibss_work+0x85/0xe10 net/mac80211/ibss.c:1675 #3: 00000000fac5c61b (&local->sta_mtx){+.+.}, at: ieee80211_ibss_sta_expire net/mac80211/ibss.c:1261 [inline] #3: 00000000fac5c61b (&local->sta_mtx){+.+.}, at: ieee80211_sta_merge_ibss net/mac80211/ibss.c:1297 [inline] #3: 00000000fac5c61b (&local->sta_mtx){+.+.}, at: ieee80211_ibss_work+0x8d3/0xe10 net/mac80211/ibss.c:1703 2 locks held by kworker/u4:9/15689: #0: 00000000622b2f12 ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000f44790ce ((reaper_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 4 locks held by kworker/u4:0/3889: #0: 00000000bbbde87d ((wq_completion)"%s"wiphy_name(local->hw.wiphy)){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000ec3f3e2c ((work_completion)(&sdata->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000c107a902 (&wdev->mtx){+.+.}, at: sdata_lock net/mac80211/ieee80211_i.h:977 [inline] #2: 00000000c107a902 (&wdev->mtx){+.+.}, at: ieee80211_ibss_work+0x85/0xe10 net/mac80211/ibss.c:1675 #3: 00000000f8c530eb (&local->sta_mtx){+.+.}, at: ieee80211_ibss_sta_expire net/mac80211/ibss.c:1261 [inline] #3: 00000000f8c530eb (&local->sta_mtx){+.+.}, at: ieee80211_sta_merge_ibss net/mac80211/ibss.c:1297 [inline] #3: 00000000f8c530eb (&local->sta_mtx){+.+.}, at: ieee80211_ibss_work+0x8d3/0xe10 net/mac80211/ibss.c:1703 1 lock held by syz-executor.4/13420: #0: 00000000f0d1fcba (rcu_preempt_state.exp_mutex){+.+.}, at: exp_funnel_lock kernel/rcu/tree_exp.h:297 [inline] #0: 00000000f0d1fcba (rcu_preempt_state.exp_mutex){+.+.}, at: _synchronize_rcu_expedited+0x4dc/0x6f0 kernel/rcu/tree_exp.h:667 4 locks held by kworker/u4:2/14269: #0: 0000000025883df9 ((wq_completion)"%s""netns"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000b7ae82c8 (net_cleanup_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000ed7045c0 (pernet_ops_rwsem){++++}, at: cleanup_net+0xa8/0x8b0 net/core/net_namespace.c:521 #3: 00000000f0d1fcba (rcu_preempt_state.exp_mutex){+.+.}, at: exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline] #3: 00000000f0d1fcba (rcu_preempt_state.exp_mutex){+.+.}, at: _synchronize_rcu_expedited+0x256/0x6f0 kernel/rcu/tree_exp.h:667 3 locks held by syz-executor.2/21420: #0: 0000000018471f82 (&sig->cred_guard_mutex){+.+.}, at: __do_sys_perf_event_open kernel/events/core.c:10640 [inline] #0: 0000000018471f82 (&sig->cred_guard_mutex){+.+.}, at: __se_sys_perf_event_open+0x18eb/0x2720 kernel/events/core.c:10549 #1: 0000000091aaa4d7 (perf_sched_mutex){+.+.}, at: account_event kernel/events/core.c:10027 [inline] #1: 0000000091aaa4d7 (perf_sched_mutex){+.+.}, at: perf_event_alloc.part.0+0x22f0/0x2eb0 kernel/events/core.c:10235 #2: 00000000eb32b720 (rcu_sched_state.exp_mutex){+.+.}, at: exp_funnel_lock kernel/rcu/tree_exp.h:297 [inline] #2: 00000000eb32b720 (rcu_sched_state.exp_mutex){+.+.}, at: _synchronize_rcu_expedited+0x4dc/0x6f0 kernel/rcu/tree_exp.h:667 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1568 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: 9466 Comm: kworker/u4:7 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_nc_worker RIP: 0010:batadv_nc_purge_paths+0xf2/0x310 net/batman-adv/network-coding.c:454 Code: 6b db 38 48 03 58 08 48 89 df 48 89 5c 24 10 e8 f4 91 40 00 48 89 e8 48 c1 e8 03 42 80 3c 20 00 0f 85 a6 01 00 00 48 8b 6d 00 <48> 85 ed 75 33 e9 22 01 00 00 e8 6f ca 89 f9 e8 5a 54 a3 fe 31 ff RSP: 0018:ffff88805536fc40 EFLAGS: 00000246 RAX: 1ffff11013c51008 RBX: ffff88804d071400 RCX: ffffffff814bdebb RDX: 1ffff11009a0e282 RSI: 0000000000000004 RDI: ffff88804d071400 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1009a0e280 R10: ffff88804d071403 R11: 0000000000000000 R12: dffffc0000000000 R13: ffffffff87d8d930 R14: ffff8880a1bd7e00 R15: ffff888091671240 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe77876d028 CR3: 00000000a1bfb000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: batadv_nc_worker+0x731/0xd50 net/batman-adv/network-coding.c:733 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: 6b db 38 imul $0x38,%ebx,%ebx 3: 48 03 58 08 add 0x8(%rax),%rbx 7: 48 89 df mov %rbx,%rdi a: 48 89 5c 24 10 mov %rbx,0x10(%rsp) f: e8 f4 91 40 00 callq 0x409208 14: 48 89 e8 mov %rbp,%rax 17: 48 c1 e8 03 shr $0x3,%rax 1b: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) 20: 0f 85 a6 01 00 00 jne 0x1cc 26: 48 8b 6d 00 mov 0x0(%rbp),%rbp * 2a: 48 85 ed test %rbp,%rbp <-- trapping instruction 2d: 75 33 jne 0x62 2f: e9 22 01 00 00 jmpq 0x156 34: e8 6f ca 89 f9 callq 0xf989caa8 39: e8 5a 54 a3 fe callq 0xfea35498 3e: 31 ff xor %edi,%edi