ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 Bluetooth: hci5: command 0x0406 tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.0:16780 blocked for more than 140 seconds. Not tainted 4.19.190-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D28648 16780 10862 0x10000004 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:1005 [inline] __mutex_lock+0x647/0x1260 kernel/locking/mutex.c:1075 hci_req_sync+0x69/0xb0 net/bluetooth/hci_request.c:278 hci_inquiry+0x693/0x910 net/bluetooth/hci_core.c:1310 hci_sock_ioctl+0x1a7/0x7d0 net/bluetooth/hci_sock.c:1048 sock_do_ioctl+0xcb/0x2d0 net/socket.c:950 sock_ioctl+0x2ef/0x5d0 net/socket.c:1074 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665f9 Code: Bad RIP value. RSP: 002b:00007f65c76ec188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 RDX: 0000000020000000 RSI: 00000000800448f0 RDI: 0000000000000004 RBP: 00000000004bfce1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffcac64fa2f R14: 00007f65c76ec300 R15: 0000000000022000 INFO: task syz-executor.0:16781 blocked for more than 140 seconds. Not tainted 4.19.190-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D28648 16781 16780 0x10000004 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:1005 [inline] __mutex_lock+0x647/0x1260 kernel/locking/mutex.c:1075 hci_req_sync+0x69/0xb0 net/bluetooth/hci_request.c:278 hci_inquiry+0x693/0x910 net/bluetooth/hci_core.c:1310 hci_sock_ioctl+0x1a7/0x7d0 net/bluetooth/hci_sock.c:1048 sock_do_ioctl+0xcb/0x2d0 net/socket.c:950 sock_ioctl+0x2ef/0x5d0 net/socket.c:1074 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665f9 Code: Bad RIP value. RSP: 002b:00007f65c76ec188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 RDX: 0000000020000000 RSI: 00000000800448f0 RDI: 0000000000000004 RBP: 00000000004bfce1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffcac64fa2f R14: 00007f65c76ec300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1571: #0: 00000000d5c2f3d7 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by syz-executor.4/15108: #0: 00000000da2b82ed (&hdev->req_lock){+.+.}, at: hci_req_sync+0x69/0xb0 net/bluetooth/hci_request.c:278 1 lock held by syz-executor.0/16780: #0: 00000000da2b82ed (&hdev->req_lock){+.+.}, at: hci_req_sync+0x69/0xb0 net/bluetooth/hci_request.c:278 1 lock held by syz-executor.0/16781: #0: 00000000da2b82ed (&hdev->req_lock){+.+.}, at: hci_req_sync+0x69/0xb0 net/bluetooth/hci_request.c:278 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1571 Comm: khungtaskd Not tainted 4.19.190-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: 4693 Comm: systemd-journal Not tainted 4.19.190-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:___bpf_prog_run+0x7c/0x50b0 kernel/bpf/core.c:1065 Code: 0f b6 04 18 38 d0 7f 08 84 c0 0f 85 56 3a 00 00 45 0f b6 3e 4a 8d 3c fd c0 b1 6f 88 4c 89 fe 48 89 f8 48 c1 e8 03 80 3c 18 00 <0f> 85 26 3a 00 00 43 ff 24 fc e8 b5 4b f6 ff 49 8d 7e 01 48 89 f8 RSP: 0018:ffff8880a0e8fa30 EFLAGS: 00000246 RAX: 1ffffffff10df6dd RBX: dffffc0000000000 RCX: ffff8880a0e8fe70 RDX: 0000000000000000 RSI: 00000000000000a5 RDI: ffffffff886fb6e8 RBP: ffff8880a0e8fb00 R08: 0000000000000000 R09: 00000000c000003e R10: 0000000000000006 R11: 0000000000000000 R12: ffffffff886fb1c0 R13: ffffed10141d1f62 R14: ffffc900019d1070 R15: 00000000000000a5 FS: 00007f5ebb91b8c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5eb8e12000 CR3: 00000000a10ff000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: