INFO: task khugepaged:35 blocked for more than 143 seconds. Not tainted 6.5.0-syzkaller-12673-g73be7fb14e83 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:khugepaged state:D stack:28488 pid:35 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_timeout+0x27a/0x2c0 kernel/time/timer.c:2143 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common+0x3e2/0x5f0 kernel/sched/completion.c:116 __flush_work+0x5b4/0xbb0 kernel/workqueue.c:3407 __lru_add_drain_all+0x52c/0x740 mm/swap.c:897 khugepaged_do_scan mm/khugepaged.c:2491 [inline] khugepaged+0x110/0x14b0 mm/khugepaged.c:2560 kthread+0x33a/0x430 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 INFO: task jbd2/sda1-8:4461 blocked for more than 143 seconds. Not tainted 6.5.0-syzkaller-12673-g73be7fb14e83 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:jbd2/sda1-8 state:D stack:25768 pid:4461 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 io_schedule+0xbe/0x130 kernel/sched/core.c:9026 bit_wait_io+0x16/0xe0 kernel/sched/wait_bit.c:209 __wait_on_bit+0x62/0x170 kernel/sched/wait_bit.c:49 out_of_line_wait_on_bit+0xdb/0x110 kernel/sched/wait_bit.c:64 wait_on_bit_io include/linux/wait_bit.h:101 [inline] __wait_on_buffer+0x64/0x70 fs/buffer.c:123 wait_on_buffer include/linux/buffer_head.h:370 [inline] journal_wait_on_commit_record fs/jbd2/commit.c:171 [inline] jbd2_journal_commit_transaction+0x4885/0x63d0 fs/jbd2/commit.c:890 kjournald2+0x1fb/0x900 fs/jbd2/journal.c:201 kthread+0x33a/0x430 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 INFO: task kworker/u4:7:12286 blocked for more than 144 seconds. Not tainted 6.5.0-syzkaller-12673-g73be7fb14e83 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:7 state:D stack:25288 pid:12286 ppid:2 flags:0x00004000 Workqueue: netns cleanup_net Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 xfrmi_exit_batch_net+0x81/0x3e0 net/xfrm/xfrm_interface_core.c:967 ops_exit_list+0x125/0x170 net/core/net_namespace.c:175 cleanup_net+0x505/0xb20 net/core/net_namespace.c:614 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784 kthread+0x33a/0x430 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 INFO: task kworker/0:31:5802 blocked for more than 144 seconds. Not tainted 6.5.0-syzkaller-12673-g73be7fb14e83 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:31 state:D stack:28888 pid:5802 ppid:2 flags:0x00004000 Workqueue: events_power_efficient reg_check_chans_work Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 reg_check_chans_work+0x7d/0x1060 net/wireless/reg.c:2462 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784 kthread+0x33a/0x430 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 INFO: task kworker/0:36:5808 blocked for more than 145 seconds. Not tainted 6.5.0-syzkaller-12673-g73be7fb14e83 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:36 state:D stack:29576 pid:5808 ppid:2 flags:0x00004000 Workqueue: events linkwatch_event Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 linkwatch_event+0x51/0xc0 net/core/link_watch.c:277 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784 kthread+0x33a/0x430 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 INFO: task kworker/0:63:5839 blocked for more than 145 seconds. Not tainted 6.5.0-syzkaller-12673-g73be7fb14e83 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:63 state:D stack:25888 pid:5839 ppid:2 flags:0x00004000 Workqueue: ipv6_addrconf addrconf_verify_work Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4667 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784 kthread+0x33a/0x430 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 INFO: task syz-executor.4:12551 blocked for more than 146 seconds. Not tainted 6.5.0-syzkaller-12673-g73be7fb14e83 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:26600 pid:12551 ppid:5090 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_timeout+0x27a/0x2c0 kernel/time/timer.c:2143 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common+0x3e2/0x5f0 kernel/sched/completion.c:116 __flush_work+0x5b4/0xbb0 kernel/workqueue.c:3407 flush_all_backlogs net/core/dev.c:5897 [inline] unregister_netdevice_many_notify+0x12d1/0x1a20 net/core/dev.c:10920 rtnl_delete_link net/core/rtnetlink.c:3227 [inline] rtnl_dellink+0x3c1/0xae0 net/core/rtnetlink.c:3279 rtnetlink_rcv_msg+0x439/0xd30 net/core/rtnetlink.c:6444 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline] netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368 netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910 sock_sendmsg_nosec net/socket.c:730 [inline] sock_sendmsg+0xd9/0x180 net/socket.c:753 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2541 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2595 __sys_sendmsg+0x117/0x1e0 net/socket.c:2624 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcf8987cae9 RSP: 002b:00007fcf883fe0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fcf8999c050 RCX: 00007fcf8987cae9 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000006 RBP: 00007fcf898c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fcf8999c050 R15: 00007ffcc9d89688 INFO: task syz-executor.4:12552 blocked for more than 147 seconds. Not tainted 6.5.0-syzkaller-12673-g73be7fb14e83 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:28672 pid:12552 ppid:5090 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 rtnl_lock net/core/rtnetlink.c:78 [inline] rtnetlink_rcv_msg+0x3e2/0xd30 net/core/rtnetlink.c:6441 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline] netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368 netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910 sock_sendmsg_nosec net/socket.c:730 [inline] sock_sendmsg+0xd9/0x180 net/socket.c:753 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2541 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2595 __sys_sendmsg+0x117/0x1e0 net/socket.c:2624 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcf8987cae9 RSP: 002b:00007fcf883dd0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fcf8999c120 RCX: 00007fcf8987cae9 RDX: 0000000000000000 RSI: 0000000020000980 RDI: 0000000000000005 RBP: 00007fcf898c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fcf8999c120 R15: 00007ffcc9d89688 INFO: task syz-executor.5:12555 blocked for more than 148 seconds. Not tainted 6.5.0-syzkaller-12673-g73be7fb14e83 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:28360 pid:12555 ppid:5075 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline] smc_pnet_net_init+0x136/0x230 net/smc/smc_pnet.c:878 smc_net_init+0x32/0x40 net/smc/af_smc.c:3418 ops_init+0xb9/0x650 net/core/net_namespace.c:136 setup_net+0x422/0xa40 net/core/net_namespace.c:339 copy_net_ns+0x2fa/0x670 net/core/net_namespace.c:491 create_new_namespaces+0x3ea/0xb10 kernel/nsproxy.c:110 unshare_nsproxy_namespaces+0xc1/0x1f0 kernel/nsproxy.c:228 ksys_unshare+0x3da/0x930 kernel/fork.c:3435 __do_sys_unshare kernel/fork.c:3506 [inline] __se_sys_unshare kernel/fork.c:3504 [inline] __x64_sys_unshare+0x31/0x40 kernel/fork.c:3504 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f1536e7cae9 RSP: 002b:00007f15359fe0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007f1536f9bf80 RCX: 00007f1536e7cae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006c060000 RBP: 00007f1536ec847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f1536f9bf80 R15: 00007ffd0e71fd08 INFO: task syz-executor.5:12559 blocked for more than 148 seconds. Not tainted 6.5.0-syzkaller-12673-g73be7fb14e83 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:27256 pid:12559 ppid:5075 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 rtnl_lock net/core/rtnetlink.c:78 [inline] rtnetlink_rcv_msg+0x3e2/0xd30 net/core/rtnetlink.c:6441 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline] netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368 netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910 sock_sendmsg_nosec net/socket.c:730 [inline] sock_sendmsg+0xd9/0x180 net/socket.c:753 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2541 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2595 __sys_sendmsg+0x117/0x1e0 net/socket.c:2624 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f1536e7cae9 RSP: 002b:00007f15359dd0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f1536f9c050 RCX: 00007f1536e7cae9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000007 RBP: 00007f1536ec847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f1536f9c050 R15: 00007ffd0e71fd08 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: lockdep is turned off. NMI backtrace for cpu 0 CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.5.0-syzkaller-12673-g73be7fb14e83 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x299/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline] watchdog+0xfac/0x1230 kernel/hung_task.c:379 kthread+0x33a/0x430 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 16639 Comm: kworker/1:1 Not tainted 6.5.0-syzkaller-12673-g73be7fb14e83 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Workqueue: wg-crypt-wg0 wg_packet_tx_worker RIP: 0010:jhash2 include/linux/jhash.h:139 [inline] RIP: 0010:hash_stack lib/stackdepot.c:322 [inline] RIP: 0010:__stack_depot_save+0xf3/0x510 lib/stackdepot.c:382 Code: c0 89 c7 44 89 c0 41 01 d8 c1 c0 04 31 f8 83 fe 03 77 94 83 fe 02 0f 84 d7 00 00 00 83 fe 03 0f 84 cb 00 00 00 03 19 44 89 c1 <44> 31 c0 c1 c1 0e 29 c8 89 c1 31 c3 c1 c1 0b 29 cb 89 d9 41 31 d8 RSP: 0018:ffffc900001f03f8 EFLAGS: 00000a07 RAX: 00000000b01d69e9 RBX: 00000000797f6099 RCX: 00000000ead962d6 RDX: 0000000000000016 RSI: 0000000000000002 RDI: 0000000009d63c86 RBP: ffffc900001f0460 R08: 00000000ead962d6 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000100000001 R12: 0000000000000001 R13: 0000000000000000 R14: ffffc900001f0460 R15: 0000000000000016 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0729e0fd58 CR3: 000000000c976000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kasan_save_stack+0x43/0x50 mm/kasan/common.c:46 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:522 ____kasan_slab_free mm/kasan/common.c:236 [inline] ____kasan_slab_free+0x15b/0x1b0 mm/kasan/common.c:200 kasan_slab_free include/linux/kasan.h:162 [inline] slab_free_hook mm/slub.c:1800 [inline] slab_free_freelist_hook+0x114/0x1e0 mm/slub.c:1826 slab_free mm/slub.c:3809 [inline] kmem_cache_free+0xf0/0x480 mm/slub.c:3831 kfree_skbmem+0xef/0x1b0 net/core/skbuff.c:1010 __kfree_skb net/core/skbuff.c:1068 [inline] consume_skb net/core/skbuff.c:1283 [inline] consume_skb+0xdf/0x170 net/core/skbuff.c:1277 vxcan_xmit drivers/net/can/vxcan.c:60 [inline] vxcan_xmit+0x1c9/0x840 drivers/net/can/vxcan.c:37 __netdev_start_xmit include/linux/netdevice.h:4889 [inline] netdev_start_xmit include/linux/netdevice.h:4903 [inline] xmit_one net/core/dev.c:3544 [inline] dev_hard_start_xmit+0x13d/0x6c0 net/core/dev.c:3560 __dev_queue_xmit+0x9be/0x3d80 net/core/dev.c:4340 dev_queue_xmit include/linux/netdevice.h:3082 [inline] can_send+0x543/0xb00 net/can/af_can.c:276 can_can_gw_rcv+0x74c/0xab0 net/can/gw.c:561 deliver net/can/af_can.c:572 [inline] can_rcv_filter+0x15e/0x8e0 net/can/af_can.c:599 can_receive+0x31d/0x5c0 net/can/af_can.c:663 can_rcv+0x1dc/0x270 net/can/af_can.c:687 __netif_receive_skb_one_core+0x115/0x180 net/core/dev.c:5523 __netif_receive_skb+0x1f/0x1b0 net/core/dev.c:5637 process_backlog+0x101/0x6c0 net/core/dev.c:5965 __napi_poll.constprop.0+0xb4/0x530 net/core/dev.c:6527 napi_poll net/core/dev.c:6594 [inline] net_rx_action+0x956/0xe90 net/core/dev.c:6727 __do_softirq+0x218/0x965 kernel/softirq.c:553 do_softirq kernel/softirq.c:454 [inline] do_softirq+0xaa/0xe0 kernel/softirq.c:441 __local_bh_enable_ip+0xf8/0x120 kernel/softirq.c:381 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:819 [inline] keep_key_fresh drivers/net/wireguard/send.c:135 [inline] wg_packet_create_data_done drivers/net/wireguard/send.c:259 [inline] wg_packet_tx_worker+0x35f/0x780 drivers/net/wireguard/send.c:276 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784 kthread+0x33a/0x430 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304