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.1:1379 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.1 D27512 1379 8123 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 perf_event_free_task+0x4cf/0x660 kernel/events/core.c:11348 copy_process.part.0+0x3710/0x8260 kernel/fork.c:2136 copy_process kernel/fork.c:1709 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2218 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:00007f61edbdc188 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000000004bfce1 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffc4dbb543f R14: 00007f61edbdc300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1569: #0: 000000001080dc30 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 no locks held by in:imklog/7806. 2 locks held by agetty/8028: #0: 00000000362e28eb (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 00000000d2459445 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154 3 locks held by kworker/u4:6/9499: #0: 00000000cc852d40 (&rq->lock){-.-.}, at: idle_balance kernel/sched/fair.c:9701 [inline] #0: 00000000cc852d40 (&rq->lock){-.-.}, at: pick_next_task_fair+0x556/0x1570 kernel/sched/fair.c:6840 #1: 000000001080dc30 (rcu_read_lock){....}, at: cpu_of kernel/sched/sched.h:921 [inline] #1: 000000001080dc30 (rcu_read_lock){....}, at: __update_idle_core+0x39/0x3e0 kernel/sched/fair.c:6057 #2: 00000000f3003770 (&base->lock){-.-.}, at: lock_timer_base+0x55/0x1b0 kernel/time/timer.c:950 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1569 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: 3481 Comm: kworker/0:2 Not tainted 4.19.190-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events defense_work_handler RIP: 0010:nr_blockdev_pages+0x77/0x100 fs/block_dev.c:932 Code: 03 80 3c 28 00 0f 85 86 00 00 00 4c 8b 63 08 49 8d 7c 24 30 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 84 00 00 00 4d 8b 64 24 30 <49> 8d bc 24 e8 00 00 00 48 89 f8 48 c1 e8 03 80 3c 28 00 75 63 48 RSP: 0018:ffff8880a9e27bb0 EFLAGS: 00000246 RAX: 1ffff11011f672a1 RBX: ffff88808fb39340 RCX: ffffffff814bbe1b RDX: 0000000000000000 RSI: ffffffff81b1cd93 RDI: ffff88808fb39508 RBP: dffffc0000000000 R08: 0000000000000001 R09: fffffbfff13c24e8 R10: ffffffff89e12743 R11: 0000000000000000 R12: ffff88808fb396e0 R13: 0000000000000000 R14: ffff8880ba02a840 R15: ffff8880ba02f000 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f451bfb8010 CR3: 00000000a1d0c000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: si_meminfo+0x104/0x220 mm/page_alloc.c:4785 update_defense_level+0x7f/0x10f0 net/netfilter/ipvs/ip_vs_ctl.c:106 defense_work_handler+0x25/0xe0 net/netfilter/ipvs/ip_vs_ctl.c:229 process_one_work+0x864/0x1570 kernel/workqueue.c:2152 worker_thread+0x64c/0x1130 kernel/workqueue.c:2295 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415