BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 260s! INFO: task init:1 blocked for more than 140 seconds. Not tainted 4.14.71+ #8 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. init D24648 1 0 0x00000004 Call Trace: schedule+0x7f/0x1b0 kernel/sched/core.c:3490 jbd2_log_wait_commit+0x2a5/0x3f0 fs/jbd2/journal.c:730 jbd2_complete_transaction+0x157/0x1b0 fs/jbd2/journal.c:768 ext4_sync_file+0x79c/0x1050 fs/ext4/fsync.c:154 vfs_fsync_range+0x105/0x260 fs/sync.c:196 generic_write_sync include/linux/fs.h:2689 [inline] ext4_file_write_iter+0x769/0xe20 fs/ext4/file.c:268 call_write_iter include/linux/fs.h:1782 [inline] new_sync_write fs/read_write.c:471 [inline] __vfs_write+0x417/0x5c0 fs/read_write.c:484 vfs_write+0x17f/0x4d0 fs/read_write.c:546 SYSC_write fs/read_write.c:593 [inline] SyS_write+0xc2/0x1a0 fs/read_write.c:585 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x7f1a87fa5370 RSP: 002b:00007ffd18bee808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f1a87fa5370 RDX: 0000000000000180 RSI: 00007ffd18beeb60 RDI: 0000000000000001 RBP: 0000000000000001 R08: 00007ffd18bee960 R09: 0000000080000000 R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007ffd18beeb60 R14: 0000000000017b80 R15: 00007ffd18bee820 INFO: task jbd2/sda1-8:75 blocked for more than 140 seconds. Not tainted 4.14.71+ #8 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. jbd2/sda1-8 D27120 75 2 0x80000000 Call Trace: schedule+0x7f/0x1b0 kernel/sched/core.c:3490 io_schedule+0x1c/0x70 kernel/sched/core.c:5097 bit_wait_io+0x9/0x90 kernel/sched/wait_bit.c:249 __wait_on_bit+0xad/0x130 kernel/sched/wait_bit.c:51 out_of_line_wait_on_bit+0xd1/0x100 kernel/sched/wait_bit.c:64 wait_on_bit_io include/linux/wait_bit.h:106 [inline] __wait_on_buffer+0x58/0x70 fs/buffer.c:125 wait_on_buffer include/linux/buffer_head.h:354 [inline] journal_wait_on_commit_record fs/jbd2/commit.c:177 [inline] jbd2_journal_commit_transaction+0x484a/0x648c fs/jbd2/commit.c:868 kjournald2+0x244/0x820 fs/jbd2/journal.c:233 kthread+0x348/0x420 kernel/kthread.c:232 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:402 INFO: task kworker/u4:2:360 blocked for more than 140 seconds. Not tainted 4.14.71+ #8 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/u4:2 D25120 360 2 0x80000000 Workqueue: netns cleanup_net Call Trace: schedule+0x7f/0x1b0 kernel/sched/core.c:3490 schedule_timeout+0x710/0xe60 kernel/time/timer.c:1721 do_wait_for_common kernel/sched/completion.c:91 [inline] __wait_for_common kernel/sched/completion.c:112 [inline] wait_for_common+0x3bc/0x4e0 kernel/sched/completion.c:123 flush_work+0x3b8/0x6e0 kernel/workqueue.c:2885 flush_all_backlogs net/core/dev.c:4638 [inline] rollback_registered_many+0x505/0xac0 net/core/dev.c:7168 unregister_netdevice_many+0x43/0x210 net/core/dev.c:8231 ip6_tnl_destroy_tunnels net/ipv6/ip6_tunnel.c:2208 [inline] ip6_tnl_exit_net+0x3c8/0x580 net/ipv6/ip6_tunnel.c:2255 ops_exit_list.isra.3+0xa8/0x150 net/core/net_namespace.c:142 cleanup_net+0x3e9/0x880 net/core/net_namespace.c:483 process_one_work+0x86e/0x15c0 kernel/workqueue.c:2114 worker_thread+0xdc/0x1000 kernel/workqueue.c:2248 kthread+0x348/0x420 kernel/kthread.c:232 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:402 INFO: task syz-executor0:1841 blocked for more than 140 seconds. Not tainted 4.14.71+ #8 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor0 D26424 1841 1 0x00000004 Call Trace: schedule+0x7f/0x1b0 kernel/sched/core.c:3490 jbd2_log_wait_commit+0x2a5/0x3f0 fs/jbd2/journal.c:730 jbd2_journal_stop+0x8df/0x1280 fs/jbd2/transaction.c:1782 __ext4_journal_stop+0xcd/0x1e0 fs/ext4/ext4_jbd2.c:103 ext4_unlink+0x779/0xeb0 fs/ext4/namei.c:3046 vfs_unlink2+0x23b/0x470 fs/namei.c:4026 do_unlinkat+0x467/0x650 fs/namei.c:4097 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4573c7 RSP: 002b:00007ffef1199348 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 RDX: 00007ffef1199360 RSI: 00007ffef11993f0 RDI: 00007ffef11993f0 RBP: 00000000000006d0 R08: 0000000000000000 R09: 000000000000000c R10: 0000000000000006 R11: 0000000000000206 R12: 00007ffef119a450 R13: 00000000024b3940 R14: 0000000000000000 R15: badc0ffeebadface INFO: task syz-executor1:1842 blocked for more than 140 seconds. Not tainted 4.14.71+ #8 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D26824 1842 1 0x00000004 Call Trace: schedule+0x7f/0x1b0 kernel/sched/core.c:3490 jbd2_log_wait_commit+0x2a5/0x3f0 fs/jbd2/journal.c:730 jbd2_journal_stop+0x8df/0x1280 fs/jbd2/transaction.c:1782 __ext4_journal_stop+0xcd/0x1e0 fs/ext4/ext4_jbd2.c:103 ext4_evict_inode+0xa57/0x1520 fs/ext4/inode.c:334 evict+0x2cb/0x5f0 fs/inode.c:554 iput_final fs/inode.c:1516 [inline] iput+0x373/0x8e0 fs/inode.c:1543 do_unlinkat+0x4bf/0x650 fs/namei.c:4103 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4573c7 RSP: 002b:00007ffe0f0680a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 RDX: 00007ffe0f0680c0 RSI: 00007ffe0f068150 RDI: 00007ffe0f068150 RBP: 0000000000000721 R08: 0000000000000000 R09: 000000000000000c R10: 0000000000000006 R11: 0000000000000202 R12: 00007ffe0f0691b0 R13: 00000000018a5940 R14: 0000000000000000 R15: badc0ffeebadface INFO: task syz-executor3:1843 blocked for more than 140 seconds. Not tainted 4.14.71+ #8 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor3 D26680 1843 1 0x00000004 Call Trace: schedule+0x7f/0x1b0 kernel/sched/core.c:3490 jbd2_log_wait_commit+0x2a5/0x3f0 fs/jbd2/journal.c:730 jbd2_journal_stop+0x8df/0x1280 fs/jbd2/transaction.c:1782 __ext4_journal_stop+0xcd/0x1e0 fs/ext4/ext4_jbd2.c:103 ext4_unlink+0x779/0xeb0 fs/ext4/namei.c:3046 vfs_unlink2+0x23b/0x470 fs/namei.c:4026 do_unlinkat+0x467/0x650 fs/namei.c:4097 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4573c7 RSP: 002b:00007ffd86bc8be8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 RDX: 00007ffd86bc8c00 RSI: 00007ffd86bc8c90 RDI: 00007ffd86bc8c90 RBP: 0000000000000867 R08: 0000000000000000 R09: 000000000000000c R10: 0000000000000006 R11: 0000000000000206 R12: 00007ffd86bc9cf0 R13: 0000000000c5e940 R14: 0000000000000000 R15: badc0ffeebadface INFO: task syz-executor5:1844 blocked for more than 140 seconds. Not tainted 4.14.71+ #8 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor5 D26824 1844 1 0x00000004 Call Trace: schedule+0x7f/0x1b0 kernel/sched/core.c:3490 jbd2_log_wait_commit+0x2a5/0x3f0 fs/jbd2/journal.c:730 jbd2_journal_stop+0x8df/0x1280 fs/jbd2/transaction.c:1782 __ext4_journal_stop+0xcd/0x1e0 fs/ext4/ext4_jbd2.c:103 ext4_evict_inode+0xa57/0x1520 fs/ext4/inode.c:334 evict+0x2cb/0x5f0 fs/inode.c:554 iput_final fs/inode.c:1516 [inline] iput+0x373/0x8e0 fs/inode.c:1543 dentry_unlink_inode+0x25c/0x310 fs/dcache.c:373 d_delete+0x1bc/0x280 fs/dcache.c:2401 vfs_rmdir2+0x331/0x420 fs/namei.c:3913 do_rmdir+0x2f5/0x3a0 fs/namei.c:3967 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4573e7 RSP: 002b:00007ffcc27bfe78 EFLAGS: 00000206 ORIG_RAX: 0000000000000054 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00000000004573e7 RDX: 0000000000000000 RSI: 00007ffcc27c0f80 RDI: 00007ffcc27c0f80 RBP: 0000000000000769 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000003 R11: 0000000000000206 R12: 00007ffcc27c0f80 R13: 0000000001e1b940 R14: 0000000000000000 R15: badc0ffeebadface INFO: task syz-executor2:1846 blocked for more than 140 seconds. Not tainted 4.14.71+ #8 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor2 D26976 1846 1 0x00000004 Call Trace: schedule+0x7f/0x1b0 kernel/sched/core.c:3490 jbd2_log_wait_commit+0x2a5/0x3f0 fs/jbd2/journal.c:730 jbd2_journal_stop+0x8df/0x1280 fs/jbd2/transaction.c:1782 __ext4_journal_stop+0xcd/0x1e0 fs/ext4/ext4_jbd2.c:103 ext4_unlink+0x779/0xeb0 fs/ext4/namei.c:3046 vfs_unlink2+0x23b/0x470 fs/namei.c:4026 do_unlinkat+0x467/0x650 fs/namei.c:4097 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4573c7 RSP: 002b:00007ffed714b9f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 RDX: 00007ffed714ba10 RSI: 00007ffed714baa0 RDI: 00007ffed714baa0 RBP: 00000000000006d3 R08: 0000000000000000 R09: 0000000000000010 R10: 000000000000000a R11: 0000000000000202 R12: 00007ffed714cb00 R13: 0000000000f4c940 R14: 0000000000000000 R15: badc0ffeebadface INFO: task syz-executor4:14549 blocked for more than 140 seconds. Not tainted 4.14.71+ #8 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor4 D27160 14549 1 0x00000004 Call Trace: schedule+0x7f/0x1b0 kernel/sched/core.c:3490 jbd2_log_wait_commit+0x2a5/0x3f0 fs/jbd2/journal.c:730 jbd2_journal_stop+0x8df/0x1280 fs/jbd2/transaction.c:1782 __ext4_journal_stop+0xcd/0x1e0 fs/ext4/ext4_jbd2.c:103 ext4_evict_inode+0xa57/0x1520 fs/ext4/inode.c:334 evict+0x2cb/0x5f0 fs/inode.c:554 iput_final fs/inode.c:1516 [inline] iput+0x373/0x8e0 fs/inode.c:1543 do_unlinkat+0x4bf/0x650 fs/namei.c:4103 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4573c7 RSP: 002b:00007ffd065e3368 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 RDX: 00007ffd065e3380 RSI: 00007ffd065e3410 RDI: 00007ffd065e3410 RBP: 0000000000000281 R08: 0000000000000000 R09: 0000000000000010 R10: 000000000000000a R11: 0000000000000202 R12: 00007ffd065e4470 R13: 0000000001829940 R14: 0000000000000000 R15: badc0ffeebadface Showing all locks held in the system: 1 lock held by init/1: #0: (sb_writers#4){.+.+}, at: [] file_start_write include/linux/fs.h:2722 [inline] #0: (sb_writers#4){.+.+}, at: [] vfs_write+0x3d7/0x4d0 fs/read_write.c:545 1 lock held by khungtaskd/23: #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x74/0x20f kernel/locking/lockdep.c:4541 5 locks held by kworker/u4:2/360: #0: ("%s""netns"){+.+.}, at: [] process_one_work+0x787/0x15c0 kernel/workqueue.c:2085 #1: (net_cleanup_work){+.+.}, at: [] process_one_work+0x7bf/0x15c0 kernel/workqueue.c:2089 #2: (net_mutex){+.+.}, at: [] cleanup_net+0x14c/0x880 net/core/net_namespace.c:449 #3: (rtnl_mutex){+.+.}, at: [] ip6_tnl_exit_net+0x77/0x580 net/ipv6/ip6_tunnel.c:2254 #4: (cpu_hotplug_lock.rw_sem){++++}, at: [] get_online_cpus include/linux/cpu.h:138 [inline] #4: (cpu_hotplug_lock.rw_sem){++++}, at: [] flush_all_backlogs net/core/dev.c:4631 [inline] #4: (cpu_hotplug_lock.rw_sem){++++}, at: [] rollback_registered_many+0x416/0xac0 net/core/dev.c:7168 1 lock held by rsyslogd/1627: #0: (&f->f_pos_lock){+.+.}, at: [] __fdget_pos+0xa2/0xc0 fs/file.c:768 2 locks held by getty/1755: #0: (&tty->ldisc_sem){++++}, at: [] tty_ldisc_ref_wait+0x20/0x80 drivers/tty/tty_ldisc.c:275 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1ff/0x15e0 drivers/tty/n_tty.c:2142 3 locks held by syz-executor0/1841: #0: (sb_writers#4){.+.+}, at: [] sb_start_write include/linux/fs.h:1543 [inline] #0: (sb_writers#4){.+.+}, at: [] mnt_want_write+0x3a/0xa0 fs/namespace.c:387 #1: (&type->i_mutex_dir_key/1){+.+.}, at: [] inode_lock_nested include/linux/fs.h:748 [inline] #1: (&type->i_mutex_dir_key/1){+.+.}, at: [] do_unlinkat+0x273/0x650 fs/namei.c:4083 #2: (&sb->s_type->i_mutex_key#10){++++}, at: [] inode_lock include/linux/fs.h:713 [inline] #2: (&sb->s_type->i_mutex_key#10){++++}, at: [] vfs_unlink2+0xc5/0x470 fs/namei.c:4017 2 locks held by syz-executor1/1842: #0: (sb_writers#4){.+.+}, at: [] sb_start_write include/linux/fs.h:1543 [inline] #0: (sb_writers#4){.+.+}, at: [] mnt_want_write+0x3a/0xa0 fs/namespace.c:387 #1: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #1: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 3 locks held by syz-executor3/1843: #0: (sb_writers#4){.+.+}, at: [] sb_start_write include/linux/fs.h:1543 [inline] #0: (sb_writers#4){.+.+}, at: [] mnt_want_write+0x3a/0xa0 fs/namespace.c:387 #1: (&type->i_mutex_dir_key/1){+.+.}, at: [] inode_lock_nested include/linux/fs.h:748 [inline] #1: (&type->i_mutex_dir_key/1){+.+.}, at: [] do_unlinkat+0x273/0x650 fs/namei.c:4083 #2: (&sb->s_type->i_mutex_key#10){++++}, at: [] inode_lock include/linux/fs.h:713 [inline] #2: (&sb->s_type->i_mutex_key#10){++++}, at: [] vfs_unlink2+0xc5/0x470 fs/namei.c:4017 3 locks held by syz-executor5/1844: #0: (sb_writers#4){.+.+}, at: [] sb_start_write include/linux/fs.h:1543 [inline] #0: (sb_writers#4){.+.+}, at: [] mnt_want_write+0x3a/0xa0 fs/namespace.c:387 #1: (&type->i_mutex_dir_key/1){+.+.}, at: [] inode_lock_nested include/linux/fs.h:748 [inline] #1: (&type->i_mutex_dir_key/1){+.+.}, at: [] do_rmdir+0x271/0x3a0 fs/namei.c:3955 #2: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #2: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 3 locks held by syz-executor2/1846: #0: (sb_writers#4){.+.+}, at: [] sb_start_write include/linux/fs.h:1543 [inline] #0: (sb_writers#4){.+.+}, at: [] mnt_want_write+0x3a/0xa0 fs/namespace.c:387 #1: (&type->i_mutex_dir_key/1){+.+.}, at: [] inode_lock_nested include/linux/fs.h:748 [inline] #1: (&type->i_mutex_dir_key/1){+.+.}, at: [] do_unlinkat+0x273/0x650 fs/namei.c:4083 #2: (&sb->s_type->i_mutex_key#10){++++}, at: [] inode_lock include/linux/fs.h:713 [inline] #2: (&sb->s_type->i_mutex_key#10){++++}, at: [] vfs_unlink2+0xc5/0x470 fs/namei.c:4017 3 locks held by kworker/1:5/6790: #0: ("%s"("ipv6_addrconf")){+.+.}, at: [] process_one_work+0x787/0x15c0 kernel/workqueue.c:2085 #1: ((addr_chk_work).work){+.+.}, at: [] process_one_work+0x7bf/0x15c0 kernel/workqueue.c:2089 #2: (rtnl_mutex){+.+.}, at: [] addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4432 2 locks held by syz-executor4/14549: #0: (sb_writers#4){.+.+}, at: [] sb_start_write include/linux/fs.h:1543 [inline] #0: (sb_writers#4){.+.+}, at: [] mnt_want_write+0x3a/0xa0 fs/namespace.c:387 #1: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #1: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 23 Comm: khungtaskd Not tainted 4.14.71+ #8 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xb9/0x11b lib/dump_stack.c:53 nmi_cpu_backtrace.cold.0+0x47/0x85 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x121/0x146 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:138 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:196 [inline] watchdog+0x574/0xa70 kernel/hung_task.c:252 kthread+0x348/0x420 kernel/kthread.c:232 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:402 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 17637 Comm: syz-executor3 Not tainted 4.14.71+ #8 task: ffff8801a380af00 task.stack: ffff8801c85a0000 RIP: 0010:inb arch/x86/include/asm/io.h:309 [inline] RIP: 0010:io_serial_in+0x60/0x80 drivers/tty/serial/8250/8250_port.c:450 RSP: 0000:ffff8801dba078f0 EFLAGS: 00000002 RAX: dffffc0000000000 RBX: 00000000000003fd RCX: 0000000000000000 RDX: 00000000000003fd RSI: 0000000000000005 RDI: ffffffffbff1d998 RBP: ffffffffbff1d960 R08: 1ffffffff7e85901 R09: 0000000000000002 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000020 R13: fffffbfff7fe3b72 R14: fffffbfff7fe3b35 R15: ffffffffbff1db92 FS: 00007f2c43fc1700(0000) GS:ffff8801dba00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002000d000 CR3: 00000001c9596005 CR4: 00000000001606b0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: serial_in drivers/tty/serial/8250/8250.h:115 [inline] wait_for_xmitr+0x90/0x1e0 drivers/tty/serial/8250/8250_port.c:2032 serial8250_console_putchar+0x19/0x50 drivers/tty/serial/8250/8250_port.c:3184 uart_console_write+0x4b/0xd0 drivers/tty/serial/serial_core.c:1883 serial8250_console_write+0x51b/0x800 drivers/tty/serial/8250/8250_port.c:3250 call_console_drivers kernel/printk/printk.c:1574 [inline] console_unlock+0x5b9/0xb50 kernel/printk/printk.c:2242 vprintk_emit+0x112/0x150 kernel/printk/printk.c:1766 vprintk_func+0x58/0x159 kernel/printk/printk_safe.c:401 printk+0xa7/0xcf kernel/printk/printk.c:1838 wq_watchdog_timer_fn.cold.24+0x4b/0x70 kernel/workqueue.c:5473 call_timer_fn+0x163/0x6a0 kernel/time/timer.c:1279 expire_timers+0x1f3/0x4a0 kernel/time/timer.c:1318 __run_timers kernel/time/timer.c:1634 [inline] run_timer_softirq+0x3a5/0x560 kernel/time/timer.c:1649 __do_softirq+0x215/0x997 kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x10f/0x150 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x188/0x5f0 arch/x86/kernel/apic/apic.c:1064 apic_timer_interrupt+0x84/0x90 arch/x86/entry/entry_64.S:787 RIP: 0033:0x401574 RSP: 002b:00007f2c43fc0690 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10 RAX: 00000000dfdbf373 RBX: 0000000000000007 RCX: 0000000000457679 RDX: 0000000000000000 RSI: 00007f2c43fc06c0 RDI: 0000000000000007 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d7950 R14: 00000000004c48c6 R15: 0000000000000000 Code: 30 0f b6 8d d1 00 00 00 48 8d 7d 38 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 d3 e3 80 3c 02 00 75 13 03 5d 38 89 da ec <0f> b6 c0 5b 5d c3 e8 15 df 7d ff eb c9 e8 3e df 7d ff eb e6 66