ieee802154 phy1 wpan1: encryption failed: -22 Bluetooth: hci6: command 0x0406 tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 Bluetooth: hci7: command 0x0406 tx timeout INFO: task kthreadd:2 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. kthreadd D28264 2 0 0x80000000 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 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] __percpu_down_read kernel/locking/percpu-rwsem.c:85 [inline] __percpu_down_read+0xba/0x130 kernel/locking/percpu-rwsem.c:41 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:49 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:698 [inline] copy_process.part.0+0x6439/0x8260 kernel/fork.c:1974 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 kernel_thread+0x2f/0x40 kernel/fork.c:2278 create_kthread kernel/kthread.c:282 [inline] kthreadd+0x544/0x7b0 kernel/kthread.c:625 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 INFO: task kworker/u4:0:7 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 D25672 7 2 0x80000000 Workqueue: events_unbound call_usermodehelper_exec_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 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] __percpu_down_read kernel/locking/percpu-rwsem.c:85 [inline] __percpu_down_read+0xba/0x130 kernel/locking/percpu-rwsem.c:41 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:49 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:698 [inline] copy_process.part.0+0x6439/0x8260 kernel/fork.c:1974 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 kernel_thread+0x2f/0x40 kernel/fork.c:2278 call_usermodehelper_exec_work kernel/umh.c:199 [inline] call_usermodehelper_exec_work+0x16d/0x260 kernel/umh.c:185 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/u4:4:2889 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/u4:4 D26112 2889 2 0x80000000 Workqueue: events_unbound call_usermodehelper_exec_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 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] __percpu_down_read kernel/locking/percpu-rwsem.c:85 [inline] __percpu_down_read+0xba/0x130 kernel/locking/percpu-rwsem.c:41 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:49 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:698 [inline] copy_process.part.0+0x6439/0x8260 kernel/fork.c:1974 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 kernel_thread+0x2f/0x40 kernel/fork.c:2278 call_usermodehelper_exec_work kernel/umh.c:199 [inline] call_usermodehelper_exec_work+0x16d/0x260 kernel/umh.c:185 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 rs:main Q:Reg:7765 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. rs:main Q:Reg D27680 7765 1 0x00000000 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 io_schedule+0xb5/0x120 kernel/sched/core.c:5181 wait_on_page_bit_common mm/filemap.c:1123 [inline] __lock_page+0x316/0x460 mm/filemap.c:1296 lock_page include/linux/pagemap.h:484 [inline] pagecache_get_page+0x673/0xd50 mm/filemap.c:1577 grab_cache_page_write_begin+0x6a/0xa0 mm/filemap.c:3120 ext4_da_write_begin+0x2ba/0x10e0 fs/ext4/inode.c:3075 generic_perform_write+0x1f8/0x4d0 mm/filemap.c:3170 __generic_file_write_iter+0x24b/0x610 mm/filemap.c:3295 ext4_file_write_iter+0x2fe/0xf20 fs/ext4/file.c:272 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x51b/0x770 fs/read_write.c:487 vfs_write+0x1f3/0x540 fs/read_write.c:549 ksys_write+0x12b/0x2a0 fs/read_write.c:599 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f4571ad91cd Code: c2 20 00 00 75 10 b8 01 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ae fc ff ff 48 89 04 24 b8 01 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 f7 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007f456f094590 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f45640210b0 RCX: 00007f4571ad91cd RDX: 000000000000005c RSI: 00007f45640210b0 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f4564020e30 R13: 00007f456f0945b0 R14: 000055f7d7200360 R15: 000000000000005c INFO: task kworker/u4:9:18308 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 D26624 18308 2 0x80000000 Workqueue: events_unbound call_usermodehelper_exec_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 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] __percpu_down_read kernel/locking/percpu-rwsem.c:85 [inline] __percpu_down_read+0xba/0x130 kernel/locking/percpu-rwsem.c:41 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:49 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:698 [inline] copy_process.part.0+0x6439/0x8260 kernel/fork.c:1974 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 kernel_thread+0x2f/0x40 kernel/fork.c:2278 call_usermodehelper_exec_work kernel/umh.c:199 [inline] call_usermodehelper_exec_work+0x16d/0x260 kernel/umh.c:185 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.4:27855 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 D29448 27855 27851 0x80000000 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 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] __percpu_down_read kernel/locking/percpu-rwsem.c:85 [inline] __percpu_down_read+0xba/0x130 kernel/locking/percpu-rwsem.c:41 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:49 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:698 [inline] exit_signals+0x4ae/0x730 kernel/signal.c:2674 do_exit+0x2ed/0x2be0 kernel/exit.c:826 __do_sys_exit kernel/exit.c:936 [inline] __se_sys_exit kernel/exit.c:934 [inline] __x64_sys_exit+0x3e/0x50 kernel/exit.c:934 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f998ea2cd0e Code: Bad RIP value. RSP: 002b:00007f998d7f1240 EFLAGS: 00000246 ORIG_RAX: 000000000000003c RAX: ffffffffffffffda RBX: 00007f998d7f1700 RCX: 00007f998ea2cd0e RDX: 000000000000003c RSI: 00000000007fc000 RDI: 0000000000000000 RBP: 00007f998cff1000 R08: 0000000000000000 R09: 00007f998d7f1700 R10: 00007f998d7f19d0 R11: 0000000000000246 R12: 00007ffe8bdb68be R13: 00007ffe8bdb68bf R14: 00007f998d7f1300 R15: 0000000000802000 Showing all locks held in the system: 5 locks held by systemd/1: 1 lock held by kthreadd/2: #0: 00000000b541111d (&cgroup_threadgroup_rwsem){++++}, at: copy_process kernel/fork.c:1710 [inline] #0: 00000000b541111d (&cgroup_threadgroup_rwsem){++++}, at: _do_fork+0x22f/0xf30 kernel/fork.c:2219 3 locks held by kworker/u4:0/7: #0: 000000005ed74464 ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000bdfbbab4 ((work_completion)(&sub_info->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000b541111d (&cgroup_threadgroup_rwsem){++++}, at: copy_process kernel/fork.c:1710 [inline] #2: 00000000b541111d (&cgroup_threadgroup_rwsem){++++}, at: _do_fork+0x22f/0xf30 kernel/fork.c:2219 6 locks held by kworker/u4:1/23: 3 locks held by kworker/u4:3/206: 1 lock held by khungtaskd/1570: #0: 0000000083131b6f (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 3 locks held by kworker/u4:4/2889: #0: 000000005ed74464 ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 000000002339cffa ((work_completion)(&sub_info->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000b541111d (&cgroup_threadgroup_rwsem){++++}, at: copy_process kernel/fork.c:1710 [inline] #2: 00000000b541111d (&cgroup_threadgroup_rwsem){++++}, at: _do_fork+0x22f/0xf30 kernel/fork.c:2219 1 lock held by kworker/dying/3686: #0: 00000000b541111d (&cgroup_threadgroup_rwsem){++++}, at: do_exit+0x2ed/0x2be0 kernel/exit.c:826 3 locks held by bat_events/4606: 1 lock held by systemd-journal/4684: 1 lock held by systemd-timesyn/6162: 1 lock held by kworker/dying/6163: #0: 00000000b541111d (&cgroup_threadgroup_rwsem){++++}, at: do_exit+0x2ed/0x2be0 kernel/exit.c:826 1 lock held by in:imklog/7764: #0: 000000000af1711e (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 3 locks held by rs:main Q:Reg/7765: #0: 00000000f9de7254 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 #1: 00000000cfaa26dd (sb_writers#3){.+.+}, at: file_start_write include/linux/fs.h:2779 [inline] #1: 00000000cfaa26dd (sb_writers#3){.+.+}, at: vfs_write+0x463/0x540 fs/read_write.c:548 #2: 00000000523f2b2b (&sb->s_type->i_mutex_key#10){++++}, at: inode_trylock include/linux/fs.h:768 [inline] #2: 00000000523f2b2b (&sb->s_type->i_mutex_key#10){++++}, at: ext4_file_write_iter+0x21f/0xf20 fs/ext4/file.c:238 3 locks held by kworker/u4:7/9559: 3 locks held by kworker/u4:9/18308: #0: 000000005ed74464 ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 000000004cff3a5f ((work_completion)(&sub_info->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000b541111d (&cgroup_threadgroup_rwsem){++++}, at: copy_process kernel/fork.c:1710 [inline] #2: 00000000b541111d (&cgroup_threadgroup_rwsem){++++}, at: _do_fork+0x22f/0xf30 kernel/fork.c:2219 1 lock held by kworker/dying/25511: #0: 00000000b541111d (&cgroup_threadgroup_rwsem){++++}, at: do_exit+0x2ed/0x2be0 kernel/exit.c:826 2 locks held by syz-executor.2/27498: 3 locks held by syz-executor.4/27550: 1 lock held by syz-executor.2/27587: #0: 00000000b541111d (&cgroup_threadgroup_rwsem){++++}, at: do_exit+0x2ed/0x2be0 kernel/exit.c:826 1 lock held by syz-executor.2/27840: #0: 00000000b541111d (&cgroup_threadgroup_rwsem){++++}, at: do_exit+0x2ed/0x2be0 kernel/exit.c:826 1 lock held by syz-executor.4/27851: #0: 00000000b541111d (&cgroup_threadgroup_rwsem){++++}, at: do_exit+0x2ed/0x2be0 kernel/exit.c:826 1 lock held by syz-executor.4/27855: #0: 00000000b541111d (&cgroup_threadgroup_rwsem){++++}, at: do_exit+0x2ed/0x2be0 kernel/exit.c:826 2 locks held by (d-rfkill)/27856: ============================================= 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 10/26/2022 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: 4606 Comm: bat_events Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: bat_events batadv_tt_purge RIP: 0010:preempt_count_add+0x18/0x190 kernel/sched/core.c:3230 Code: 5a ff ff ff 48 c7 c7 40 f7 36 8d e8 b2 f3 56 00 eb ab 48 b8 00 00 00 00 00 fc ff df 55 89 fd 53 48 c7 c3 60 37 24 8d 48 89 da <48> c1 ea 03 0f b6 14 02 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 08 84 RSP: 0018:ffff8880ba1078c0 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffffffff8d243760 RCX: 0000000000000006 RDX: ffffffff8d243760 RSI: ffff8880ba107868 RDI: 0000000000000001 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001 R10: ffff8880ba107a67 R11: 0000000000074071 R12: ffff8880ba107a50 R13: 0000000000000000 R14: ffff8880ba107a08 R15: 00000000000000e8 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561fcc9cc9c8 CR3: 00000000b49bf000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unwind_next_frame+0x135/0x1400 arch/x86/kernel/unwind_orc.c:407 __save_stack_trace+0x9f/0x190 arch/x86/kernel/stacktrace.c:44 save_stack mm/kasan/kasan.c:448 [inline] set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc_node mm/slab.c:3340 [inline] kmem_cache_alloc_node+0x133/0x3b0 mm/slab.c:3647 __alloc_skb+0x71/0x560 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:995 [inline] bcm_can_tx+0x259/0x800 net/can/bcm.c:287 bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092 do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336 do_softirq kernel/softirq.c:328 [inline] __local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189 spin_unlock_bh include/linux/spinlock.h:374 [inline] batadv_tt_local_purge+0x278/0x370 net/batman-adv/translation-table.c:1456 batadv_tt_purge+0x2c/0xa00 net/batman-adv/translation-table.c:3811 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 process_scheduled_works kernel/workqueue.c:2212 [inline] rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415