QAT: Invalid ioctl QAT: Invalid ioctl IPVS: ftp: loaded support on port[0] = 21 BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 174s! BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 173s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=6/256 pending: defense_work_handler, perf_sched_delayed, defense_work_handler, defense_work_handler, defense_work_handler, cache_reap pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=6/256 in-flight: 5:linkwatch_event, 13:switchdev_deferred_process_work switchdev_deferred_process_work pending: defense_work_handler, defense_work_handler, defense_work_handler workqueue events_highpri: flags=0x10 pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256 pending: flush_backlog BAR(3086) workqueue events_power_efficient: flags=0x80 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 pending: gc_worker workqueue mm_percpu_wq: flags=0x8 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 pending: vmstat_update workqueue kblockd: flags=0x18 pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256 pending: blk_mq_timeout_work workqueue ipv6_addrconf: flags=0x40008 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 pending: addrconf_dad_work delayed: addrconf_dad_work, addrconf_dad_work, addrconf_dad_work pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 in-flight: 1880:addrconf_dad_work delayed: addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_verify_work pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=0s workers=6 idle: 8134 26530 4757 INFO: task kworker/0:0:5 blocked for more than 140 seconds. Not tainted 4.18.0-rc6-next-20180725+ #18 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/0:0 D18608 5 2 0x80000000 Workqueue: events linkwatch_event Call Trace: context_switch kernel/sched/core.c:2820 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3468 schedule+0xfb/0x450 kernel/sched/core.c:3512 schedule_preempt_disabled+0x10/0x20 kernel/sched/core.c:3570 __mutex_lock_common kernel/locking/mutex.c:1003 [inline] __mutex_lock+0xbf5/0x1680 kernel/locking/mutex.c:1073 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:77 linkwatch_event+0x5f/0xe0 net/core/link_watch.c:236 process_one_work+0xc73/0x1ba0 kernel/workqueue.c:2153 worker_thread+0x189/0x13c0 kernel/workqueue.c:2296 kthread+0x345/0x410 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:415 INFO: task kworker/0:1:13 blocked for more than 140 seconds. Not tainted 4.18.0-rc6-next-20180725+ #18 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/0:1 D20656 13 2 0x80000000 Workqueue: events switchdev_deferred_process_work Call Trace: context_switch kernel/sched/core.c:2820 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3468 schedule+0xfb/0x450 kernel/sched/core.c:3512 schedule_preempt_disabled+0x10/0x20 kernel/sched/core.c:3570 __mutex_lock_common kernel/locking/mutex.c:1003 [inline] __mutex_lock+0xbf5/0x1680 kernel/locking/mutex.c:1073 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:77 switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:150 process_one_work+0xc73/0x1ba0 kernel/workqueue.c:2153 worker_thread+0x189/0x13c0 kernel/workqueue.c:2296 kthread+0x345/0x410 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:415 INFO: task kworker/0:2:1880 blocked for more than 140 seconds. Not tainted 4.18.0-rc6-next-20180725+ #18 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/0:2 D20672 1880 2 0x80000000 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: context_switch kernel/sched/core.c:2820 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3468 schedule+0xfb/0x450 kernel/sched/core.c:3512 schedule_preempt_disabled+0x10/0x20 kernel/sched/core.c:3570 __mutex_lock_common kernel/locking/mutex.c:1003 [inline] __mutex_lock+0xbf5/0x1680 kernel/locking/mutex.c:1073 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:77 addrconf_dad_work+0xb6/0x1310 net/ipv6/addrconf.c:3973 process_one_work+0xc73/0x1ba0 kernel/workqueue.c:2153 worker_thread+0x189/0x13c0 kernel/workqueue.c:2296 kthread+0x345/0x410 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:415 INFO: task syz-executor5:3086 blocked for more than 140 seconds. Not tainted 4.18.0-rc6-next-20180725+ #18 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor5 D19904 3086 2726 0x80000002 Call Trace: context_switch kernel/sched/core.c:2820 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3468 schedule+0xfb/0x450 kernel/sched/core.c:3512 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1777 do_wait_for_common kernel/sched/completion.c:83 [inline] __wait_for_common kernel/sched/completion.c:104 [inline] wait_for_common kernel/sched/completion.c:115 [inline] wait_for_completion+0x430/0x8d0 kernel/sched/completion.c:136 flush_work+0x531/0x900 kernel/workqueue.c:2918 flush_all_backlogs net/core/dev.c:5234 [inline] rollback_registered_many+0x6ee/0x1250 net/core/dev.c:7909 rollback_registered+0x1e9/0x420 net/core/dev.c:7966 unregister_netdevice_queue+0x32f/0x660 net/core/dev.c:9010 unregister_netdevice include/linux/netdevice.h:2589 [inline] __tun_detach+0x11d1/0x15e0 drivers/net/tun.c:728 tun_detach drivers/net/tun.c:745 [inline] tun_chr_close+0xe3/0x180 drivers/net/tun.c:3271 __fput+0x376/0x8a0 fs/file_table.c:279 ____fput+0x15/0x20 fs/file_table.c:312 task_work_run+0x1ec/0x2a0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x1b08/0x2750 kernel/exit.c:869 do_group_exit+0x177/0x440 kernel/exit.c:972 get_signal+0x88e/0x1970 kernel/signal.c:2467 do_signal+0x9c/0x21c0 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x456a09 Code: 24 00 00 00 e8 e8 4e fd ff 0f 0b e8 c1 34 00 00 e9 3c ff ff ff cc cc cc cc cc cc cc cc cc cc cc cc 64 48 8b 0c 25 f8 ff ff ff <48> 3b 61 10 76 40 48 83 ec 28 48 89 6c 24 20 48 8d 6c 24 20 48 8b RSP: 002b:00007f0ddb1a3cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 0000000000930148 RCX: 0000000000456a09 RDX: 0000000000000003 RSI: 0000000000000001 RDI: 000000000093014c RBP: 0000000000930140 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000093014c R13: 00007fff5e6f660f R14: 00007f0ddb1a49c0 R15: 0000000000000001 INFO: lockdep is turned off. NMI backtrace for cpu 0 CPU: 0 PID: 775 Comm: khungtaskd Not tainted 4.18.0-rc6-next-20180725+ #18 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+0x1c9/0x2b4 lib/dump_stack.c:113 nmi_cpu_backtrace.cold.3+0x48/0x88 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x151/0x192 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace include/linux/nmi.h:144 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:204 [inline] watchdog+0xb39/0x10b0 kernel/hung_task.c:265 kthread+0x345/0x410 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 2826 Comm: syz-executor2 Not tainted 4.18.0-rc6-next-20180725+ #18 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__lock_acquire+0xce/0x5020 kernel/locking/lockdep.c:3294 Code: c7 40 1c f2 f2 f2 f2 c7 40 20 04 f2 f2 f2 c7 40 24 f2 f2 f2 f2 c7 40 28 04 f2 f2 f2 c7 40 2c f2 f2 f2 f2 c7 40 30 00 f2 f2 f2 40 34 f2 f2 f2 f2 c7 40 38 00 f2 f2 f2 c7 40 3c f2 f2 f2 f2 c7 RSP: 0018:ffff880191b4efd0 EFLAGS: 00000082 RAX: ffffed0032369e0e RBX: 1ffff10032369e76 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff87e12708 RBP: ffff880191b4f358 R08: 0000000000000001 R09: 0000000000000000 R10: fffffbfff0fc24e5 R11: ffffffff87e1272b R12: 0000000000000000 R13: ffffffff87e12708 R14: ffff8801956b6080 R15: 0000000000000000 FS: 00007f46ae05a700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f46adfb4db8 CR3: 00000001c8b0c000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x1e4/0x540 kernel/locking/lockdep.c:3924 write_seqcount_begin_nested include/linux/seqlock.h:377 [inline] write_seqcount_begin include/linux/seqlock.h:382 [inline] write_seqlock include/linux/seqlock.h:449 [inline] lock_mount_hash fs/mount.h:122 [inline] __detach_mounts+0xc3/0x430 fs/namespace.c:1533 detach_mounts fs/mount.h:110 [inline] d_invalidate+0x168/0x2a0 fs/dcache.c:1594 lookup_fast+0xd61/0x12a0 fs/namei.c:1624 walk_component+0x13d/0x2630 fs/namei.c:1806 lookup_last fs/namei.c:2273 [inline] path_lookupat.isra.45+0x212/0xc00 fs/namei.c:2318 filename_lookup+0x264/0x510 fs/namei.c:2348 user_path_at_empty+0x40/0x50 fs/namei.c:2608 user_path_at include/linux/namei.h:57 [inline] vfs_statx+0x129/0x210 fs/stat.c:185 vfs_lstat include/linux/fs.h:3132 [inline] __do_sys_newlstat+0x8f/0x110 fs/stat.c:350 __se_sys_newlstat fs/stat.c:344 [inline] __x64_sys_newlstat+0x54/0x80 fs/stat.c:344 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x456a09 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f46ae059c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 RAX: ffffffffffffffda RBX: 00007f46ae05a6d4 RCX: 0000000000456a09 RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000020000280 RBP: 0000000000930140 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d14f8 R14: 00000000004c6d78 R15: 0000000000000001