ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 Bluetooth: hci2: command 0x0406 tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.5:19606 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 D24368 19606 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 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 __blkdev_get+0x1d0/0x1480 fs/block_dev.c:1478 blkdev_get+0xb0/0x940 fs/block_dev.c:1627 blkdev_open+0x202/0x290 fs/block_dev.c:1788 do_dentry_open+0x4aa/0x1160 fs/open.c:796 do_last fs/namei.c:3421 [inline] path_openat+0x793/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f415c393234 Code: Bad RIP value. RSP: 002b:00007ffca5312790 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007ffca5312890 RCX: 00007f415c393234 RDX: 0000000000000002 RSI: 00007ffca53128d0 RDI: 00000000ffffff9c RBP: 00007ffca53128d0 R08: 0000000000000000 R09: 00007ffca53126a0 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 0000000000088c36 R14: 0000000000000002 R15: 00007ffca53128d0 Showing all locks held in the system: 1 lock held by khungtaskd/1568: #0: 0000000048750f96 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7811: #0: 00000000baed8d69 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 1 lock held by syz-executor.5/19606: #0: 000000002d4e967a (&bdev->bd_mutex){+.+.}, at: __blkdev_get+0x1d0/0x1480 fs/block_dev.c:1478 2 locks held by systemd-udevd/23951: ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1568 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 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 13789 Comm: kworker/u4:9 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: (null) (bond1) RIP: 0010:queued_spin_lock include/asm-generic/qspinlock.h:86 [inline] RIP: 0010:do_raw_spin_lock+0xd7/0x220 kernel/locking/spinlock_debug.c:113 Code: 55 08 65 8b 05 8a a2 b5 7e 39 c2 0f 84 84 00 00 00 be 04 00 00 00 48 89 ef e8 35 70 4c 00 31 c0 ba 01 00 00 00 f0 0f b1 55 00 <85> c0 75 7b 65 8b 1d 5e a2 b5 7e 48 b8 00 00 00 00 00 fc ff df 4c RSP: 0018:ffff88803fed7e20 EFLAGS: 00000046 RAX: 0000000000000000 RBX: ffff8880ae4604c0 RCX: ffffffff814bdebb RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88813bfc2940 RBP: ffff88813bfc2940 R08: 0000000000000001 R09: ffffed10277f8528 R10: ffff88813bfc2943 R11: 0000000000000000 R12: ffff88813bfc2948 R13: ffff88813bfc2950 R14: 0000000000000000 R15: ffff88813bfc2940 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000130 CR3: 000000009e47f000 CR4: 00000000003426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: spin_lock_irq include/linux/spinlock.h:354 [inline] worker_thread+0x159/0x1130 kernel/workqueue.c:2246 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415