ieee802154 phy1 wpan1: encryption failed: -22 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.0:20213 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 D28560 20213 8150 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_workqueue+0x40b/0x13e0 kernel/workqueue.c:2713 nbd_start_device_ioctl drivers/block/nbd.c:1276 [inline] __nbd_ioctl drivers/block/nbd.c:1347 [inline] nbd_ioctl+0x75b/0xbe0 drivers/block/nbd.c:1387 __blkdev_driver_ioctl block/ioctl.c:303 [inline] blkdev_ioctl+0x5cb/0x1a80 block/ioctl.c:601 block_ioctl+0xe9/0x130 fs/block_dev.c:1906 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: 0033:0x7f3a0fffb109 Code: Bad RIP value. RSP: 002b:00007f3a0e970168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f3a1010df60 RCX: 00007f3a0fffb109 RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 RBP: 00007f3a1005505d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd5f4c1cff R14: 00007f3a0e970300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 00000000eb201562 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 2 locks held by in:imklog/7824: #0: 00000000e8bf8e4e (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 #1: 0000000017436185 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #1: 0000000017436185 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 2 locks held by kworker/u5:5/8207: #0: 00000000347b145f ((wq_completion)"knbd%d-recv"nbd->index){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000aef3910a ((work_completion)(&args->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 ============================================= 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 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: 1003 Comm: kworker/u4:3 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_iv_send_outstanding_bat_ogm_packet RIP: 0010:debug_lockdep_rcu_enabled+0x50/0xe0 kernel/rcu/update.c:253 Code: 08 84 d2 0f 85 87 00 00 00 8b 35 1f 42 d6 09 85 f6 74 79 48 c7 c0 60 f1 45 8a 48 ba 00 00 00 00 00 fc ff df 48 89 c1 83 e0 07 <48> c1 e9 03 83 c0 03 0f b6 14 11 38 d0 7c 04 84 d2 75 64 8b 0d 07 RSP: 0018:ffff8880b3a17ba8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88808d5c8b98 RCX: ffffffff8a45f160 RDX: dffffc0000000000 RSI: 0000000000000002 RDI: 0000000000000286 RBP: dffffc0000000000 R08: 000000006731ac0e R09: 0000000000000003 R10: ffff8880b3a04a80 R11: 0000000000000000 R12: 0000000000000001 R13: ffff88809471fb40 R14: 000000000000016b R15: ffff88809471fbe0 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f16607b0000 CR3: 00000000a1fd8000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_read_lock include/linux/rcupdate.h:628 [inline] batadv_iv_ogm_slide_own_bcast_window net/batman-adv/bat_iv_ogm.c:942 [inline] batadv_iv_ogm_schedule_buff+0x5c0/0x1340 net/batman-adv/bat_iv_ogm.c:1008 batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:1052 [inline] batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:1045 [inline] batadv_iv_send_outstanding_bat_ogm_packet+0x68c/0x7a0 net/batman-adv/bat_iv_ogm.c:1871 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: 08 84 d2 0f 85 87 00 or %al,0x87850f(%rdx,%rdx,8) 7: 00 00 add %al,(%rax) 9: 8b 35 1f 42 d6 09 mov 0x9d6421f(%rip),%esi # 0x9d6422e f: 85 f6 test %esi,%esi 11: 74 79 je 0x8c 13: 48 c7 c0 60 f1 45 8a mov $0xffffffff8a45f160,%rax 1a: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 21: fc ff df 24: 48 89 c1 mov %rax,%rcx 27: 83 e0 07 and $0x7,%eax * 2a: 48 c1 e9 03 shr $0x3,%rcx <-- trapping instruction 2e: 83 c0 03 add $0x3,%eax 31: 0f b6 14 11 movzbl (%rcx,%rdx,1),%edx 35: 38 d0 cmp %dl,%al 37: 7c 04 jl 0x3d 39: 84 d2 test %dl,%dl 3b: 75 64 jne 0xa1 3d: 8b .byte 0x8b 3e: 0d .byte 0xd 3f: 07 (bad)