program: r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000003c0)={'netdevsim0\x00', 0x0}) r2 = bpf$PROG_LOAD_XDP(0x5, &(0x7f0000001800)={0x6, 0x3, &(0x7f00000006c0)=@framed, &(0x7f0000000300)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', r1}, 0x94) r3 = socket$netlink(0x10, 0x3, 0x10) (async) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r4, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a28000000000a030000000000000000000a00000708000240000000020900010073797a31000000002c000000030a010100000000000000000a0000070900010073797a31000000000900030073797a320000000014000000110001"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x0) sendmsg$NFT_BATCH(r4, &(0x7f0000009b40)={0x0, 0x0, &(0x7f0000009b00)={&(0x7f0000000a00)={{0x14, 0x10, 0x7c, 0x0, 0x6000, {0x5}}, [@NFT_MSG_NEWSET={0x3c, 0x9, 0xa, 0x401, 0x0, 0x0, {0xa, 0x0, 0x4}, [@NFTA_SET_TABLE={0x9, 0x1, 'syz1\x00'}, @NFTA_SET_KEY_LEN={0x8, 0x5, 0x1, 0x0, 0x1}, @NFTA_SET_NAME={0x9, 0x2, 'syz1\x00'}, @NFTA_SET_ID={0x8, 0xa, 0x1, 0x0, 0xfffffffc}]}, @NFT_MSG_NEWSETELEM={0x40, 0xc, 0xa, 0x101, 0x0, 0x0, {0xa, 0x0, 0x6}, [@NFTA_SET_ELEM_LIST_SET={0x9, 0x2, 'syz1\x00'}, @NFTA_SET_ELEM_LIST_TABLE={0x9, 0x1, 'syz1\x00'}, @NFTA_SET_ELEM_LIST_ELEMENTS={0x14, 0x3, 0x0, 0x1, [{0x10, 0x0, 0x0, 0x1, [@NFTA_SET_ELEM_KEY={0xc, 0x1, 0x0, 0x1, [@NFTA_DATA_VALUE={0x5, 0x1, "d1"}]}]}]}]}], {0x14, 0x11, 0x1, 0x0, 0x0, {0x1}}}, 0xa4}}, 0x40) r5 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_RATE_NEW(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000700)={&(0x7f0000000300)={0x34, r5, 0x1, 0x100, 0x25dfdbfd, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}}, 0x6048800) (async, rerun: 32) syz_usb_connect(0x2, 0x2d, 0x0, 0x0) (async, rerun: 32) bpf$BPF_LINK_CREATE_XDP(0x1c, &(0x7f0000000240)={r2, r1, 0x25, 0x8, @void}, 0x10) [ 108.853997][ T5298] Bluetooth: hci0: command tx timeout [ 108.945700][ T5334] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 109.018220][ T5334] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 110.808577][ T5334] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 110.871147][ T5334] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 110.877020][ T4661] Bluetooth: hci0: command tx timeout [ 110.939828][ T1159] netdevsim netdevsim0 eth0: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.950936][ T1159] netdevsim netdevsim0 eth1: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.970249][ T1159] netdevsim netdevsim0 eth2: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.985478][ T1159] netdevsim netdevsim0 eth3: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.992457][ T5334] netdevsim netdevsim0 eth3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 111.002685][ T1159] ================================================================== [ 111.006149][ T1159] BUG: KASAN: slab-use-after-free in __mutex_lock+0x15a/0x1550 [ 111.009495][ T1159] Read of size 8 at addr ffff888036a77aa8 by task kworker/u4:10/1159 [ 111.012777][ T1159] [ 111.013786][ T1159] CPU: 0 UID: 0 PID: 1159 Comm: kworker/u4:10 Not tainted syzkaller #0 PREEMPT(full) [ 111.013799][ T1159] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 111.013806][ T1159] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [ 111.013827][ T1159] Call Trace: [ 111.013834][ T1159] [ 111.013839][ T1159] dump_stack_lvl+0xe8/0x150 [ 111.013852][ T1159] print_address_description+0x55/0x1e0 [ 111.013863][ T1159] ? __mutex_lock+0x15a/0x1550 [ 111.013873][ T1159] print_report+0x58/0x70 [ 111.013879][ T1159] kasan_report+0x117/0x150 [ 111.013889][ T1159] ? __mutex_lock+0x15a/0x1550 [ 111.013896][ T1159] __mutex_lock+0x15a/0x1550 [ 111.013903][ T1159] ? __lock_acquire+0x6b5/0x2cf0 [ 111.013910][ T1159] ? look_up_lock_class+0x57/0x110 [ 111.013917][ T1159] ? __mutex_lock+0x608/0x1550 [ 111.013924][ T1159] ? udp_tunnel_nic_device_sync_work+0x39/0xa10 [ 111.013932][ T1159] ? __pfx___mutex_lock+0x10/0x10 [ 111.013939][ T1159] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 111.013949][ T1159] ? process_scheduled_works+0xa70/0x1860 [ 111.013960][ T1159] udp_tunnel_nic_device_sync_work+0x39/0xa10 [ 111.013973][ T1159] ? process_scheduled_works+0xa70/0x1860 [ 111.013983][ T1159] ? process_scheduled_works+0xa70/0x1860 [ 111.013993][ T1159] process_scheduled_works+0xb5d/0x1860 [ 111.014011][ T1159] ? __pfx_process_scheduled_works+0x10/0x10 [ 111.014022][ T1159] ? assign_work+0x3d5/0x5e0 [ 111.014033][ T1159] worker_thread+0xa53/0xfc0 [ 111.014047][ T1159] kthread+0x389/0x470 [ 111.014056][ T1159] ? __pfx_worker_thread+0x10/0x10 [ 111.014066][ T1159] ? __pfx_kthread+0x10/0x10 [ 111.014077][ T1159] ret_from_fork+0x514/0xb70 [ 111.014089][ T1159] ? __pfx_ret_from_fork+0x10/0x10 [ 111.014099][ T1159] ? __switch_to+0xc79/0x1410 [ 111.014112][ T1159] ? __pfx_kthread+0x10/0x10 [ 111.014124][ T1159] ret_from_fork_asm+0x1a/0x30 [ 111.014139][ T1159] [ 111.014143][ T1159] [ 111.088552][ T1159] Allocated by task 5334: [ 111.090411][ T1159] kasan_save_track+0x3e/0x80 [ 111.092336][ T1159] __kasan_kmalloc+0x93/0xb0 [ 111.094229][ T1159] __kmalloc_noprof+0x35c/0x760 [ 111.096161][ T1159] udp_tunnel_nic_netdevice_event+0x4c3/0x17d0 [ 111.098758][ T1159] notifier_call_chain+0x1ad/0x3d0 [ 111.100811][ T1159] register_netdevice+0x18c9/0x1ec0 [ 111.102885][ T1159] nsim_create+0xbed/0x1160 [ 111.104803][ T1159] __nsim_dev_port_add+0x857/0xd30 [ 111.106897][ T1159] nsim_dev_port_add_all+0x37/0xf0 [ 111.109048][ T1159] nsim_dev_reload_up+0x45f/0x7c0 [ 111.111207][ T1159] devlink_reload+0x4f8/0x8c0 [ 111.113248][ T1159] devlink_nl_reload_doit+0xaaa/0xc80 [ 111.115441][ T1159] genl_family_rcv_msg_doit+0x22a/0x330 [ 111.117759][ T1159] genl_rcv_msg+0x61c/0x7a0 [ 111.119632][ T1159] netlink_rcv_skb+0x232/0x4b0 [ 111.121391][ T1159] genl_rcv+0x28/0x40 [ 111.123026][ T1159] netlink_unicast+0x75c/0x8e0 [ 111.124920][ T1159] netlink_sendmsg+0x813/0xb40 [ 111.127077][ T1159] ____sys_sendmsg+0x972/0x9f0 [ 111.129065][ T1159] ___sys_sendmsg+0x2a5/0x360 [ 111.131108][ T1159] __x64_sys_sendmsg+0x1bd/0x2a0 [ 111.133103][ T1159] do_syscall_64+0x174/0x580 [ 111.135129][ T1159] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 111.137571][ T1159] [ 111.138689][ T1159] Freed by task 5334: [ 111.140454][ T1159] kasan_save_track+0x3e/0x80 [ 111.142484][ T1159] kasan_save_free_info+0x46/0x50 [ 111.144639][ T1159] __kasan_slab_free+0x5c/0x80 [ 111.146746][ T1159] kfree+0x1c5/0x640 [ 111.148346][ T1159] udp_tunnel_nic_netdevice_event+0x11ed/0x17d0 [ 111.150793][ T1159] notifier_call_chain+0x1ad/0x3d0 [ 111.152969][ T1159] unregister_netdevice_many_notify+0x17a5/0x22c0 [ 111.155579][ T1159] unregister_netdevice_queue+0x31f/0x360 [ 111.157946][ T1159] nsim_destroy+0x26d/0x7f0 [ 111.159812][ T1159] __nsim_dev_port_del+0x14f/0x200 [ 111.161821][ T1159] nsim_dev_reload_destroy+0x288/0x490 [ 111.163974][ T1159] nsim_dev_reload_down+0x8a/0xc0 [ 111.166172][ T1159] devlink_reload+0x1eb/0x8c0 [ 111.168274][ T1159] devlink_nl_reload_doit+0xaaa/0xc80 [ 111.170364][ T1159] genl_family_rcv_msg_doit+0x22a/0x330 [ 111.172585][ T1159] genl_rcv_msg+0x61c/0x7a0 [ 111.174507][ T1159] netlink_rcv_skb+0x232/0x4b0 [ 111.176413][ T1159] genl_rcv+0x28/0x40 [ 111.178159][ T1159] netlink_unicast+0x75c/0x8e0 [ 111.180225][ T1159] netlink_sendmsg+0x813/0xb40 [ 111.182250][ T1159] ____sys_sendmsg+0x972/0x9f0 [ 111.184293][ T1159] ___sys_sendmsg+0x2a5/0x360 [ 111.186217][ T1159] __x64_sys_sendmsg+0x1bd/0x2a0 [ 111.188377][ T1159] do_syscall_64+0x174/0x580 [ 111.190262][ T1159] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 111.192624][ T1159] [ 111.193541][ T1159] Last potentially related work creation: [ 111.196209][ T1159] kasan_save_stack+0x3e/0x60 [ 111.198674][ T1159] kasan_record_aux_stack+0xbd/0xd0 [ 111.200952][ T1159] insert_work+0x3d/0x330 [ 111.202797][ T1159] __queue_work+0xbba/0x1040 [ 111.204568][ T1159] queue_work_on+0x106/0x1d0 [ 111.206433][ T1159] __udp_tunnel_nic_add_port+0xb71/0xd60 [ 111.208724][ T1159] udp_tunnel_push_rx_port+0x186/0x210 [ 111.210864][ T1159] geneve_offload_rx_ports+0xc7/0x150 [ 111.212989][ T1159] geneve_netdevice_event+0x6a/0x80 [ 111.215153][ T1159] notifier_call_chain+0x1ad/0x3d0 [ 111.217283][ T1159] call_netdevice_notifiers+0x90/0xd0 [ 111.219607][ T1159] udp_tunnel_nic_netdevice_event+0xdef/0x17d0 [ 111.222223][ T1159] notifier_call_chain+0x1ad/0x3d0 [ 111.224396][ T1159] register_netdevice+0x18c9/0x1ec0 [ 111.226552][ T1159] nsim_create+0xbed/0x1160 [ 111.228377][ T1159] __nsim_dev_port_add+0x857/0xd30 [ 111.230361][ T1159] nsim_dev_port_add_all+0x37/0xf0 [ 111.232511][ T1159] nsim_dev_reload_up+0x45f/0x7c0 [ 111.234488][ T1159] devlink_reload+0x4f8/0x8c0 [ 111.236376][ T1159] devlink_nl_reload_doit+0xaaa/0xc80 [ 111.238510][ T1159] genl_family_rcv_msg_doit+0x22a/0x330 [ 111.240899][ T1159] genl_rcv_msg+0x61c/0x7a0 [ 111.243386][ T1159] netlink_rcv_skb+0x232/0x4b0 [ 111.245777][ T1159] genl_rcv+0x28/0x40 [ 111.247394][ T1159] netlink_unicast+0x75c/0x8e0 [ 111.249291][ T1159] netlink_sendmsg+0x813/0xb40 [ 111.251198][ T1159] ____sys_sendmsg+0x972/0x9f0 [ 111.253110][ T1159] ___sys_sendmsg+0x2a5/0x360 [ 111.255020][ T1159] __x64_sys_sendmsg+0x1bd/0x2a0 [ 111.256842][ T1159] do_syscall_64+0x174/0x580 [ 111.258691][ T1159] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 111.261061][ T1159] [ 111.261978][ T1159] Second to last potentially related work creation: [ 111.264578][ T1159] kasan_save_stack+0x3e/0x60 [ 111.266546][ T1159] kasan_record_aux_stack+0xbd/0xd0 [ 111.268845][ T1159] insert_work+0x3d/0x330 [ 111.270705][ T1159] __queue_work+0xcef/0x1040 [ 111.272708][ T1159] queue_work_on+0x106/0x1d0 [ 111.274673][ T1159] __udp_tunnel_nic_add_port+0xb71/0xd60 [ 111.276802][ T1159] udp_tunnel_push_rx_port+0x186/0x210 [ 111.278866][ T1159] geneve_offload_rx_ports+0xc7/0x150 [ 111.280929][ T1159] geneve_netdevice_event+0x6a/0x80 [ 111.282925][ T1159] notifier_call_chain+0x1ad/0x3d0 [ 111.284925][ T1159] call_netdevice_notifiers+0x90/0xd0 [ 111.287153][ T1159] udp_tunnel_nic_netdevice_event+0xdef/0x17d0 [ 111.289802][ T1159] notifier_call_chain+0x1ad/0x3d0 [ 111.291993][ T1159] register_netdevice+0x18c9/0x1ec0 [ 111.294229][ T1159] nsim_create+0xbed/0x1160 [ 111.295991][ T1159] __nsim_dev_port_add+0x857/0xd30 [ 111.298170][ T1159] nsim_dev_port_add_all+0x37/0xf0 [ 111.300355][ T1159] nsim_dev_reload_up+0x45f/0x7c0 [ 111.302492][ T1159] devlink_reload+0x4f8/0x8c0 [ 111.304492][ T1159] devlink_nl_reload_doit+0xaaa/0xc80 [ 111.306801][ T1159] genl_family_rcv_msg_doit+0x22a/0x330 [ 111.309189][ T1159] genl_rcv_msg+0x61c/0x7a0 [ 111.311198][ T1159] netlink_rcv_skb+0x232/0x4b0 [ 111.313221][ T1159] genl_rcv+0x28/0x40 [ 111.314926][ T1159] netlink_unicast+0x75c/0x8e0 [ 111.316967][ T1159] netlink_sendmsg+0x813/0xb40 [ 111.319106][ T1159] ____sys_sendmsg+0x972/0x9f0 [ 111.321232][ T1159] ___sys_sendmsg+0x2a5/0x360 [ 111.323688][ T1159] __x64_sys_sendmsg+0x1bd/0x2a0 [ 111.326347][ T1159] do_syscall_64+0x174/0x580 [ 111.328776][ T1159] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 111.331914][ T1159] [ 111.333208][ T1159] The buggy address belongs to the object at ffff888036a77a00 [ 111.333208][ T1159] which belongs to the cache kmalloc-256 of size 256 [ 111.339421][ T1159] The buggy address is located 168 bytes inside of [ 111.339421][ T1159] freed 256-byte region [ffff888036a77a00, ffff888036a77b00) [ 111.344954][ T1159] [ 111.346230][ T1159] The buggy address belongs to the physical page: [ 111.349739][ T1159] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x36a77 [ 111.354273][ T1159] flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff) [ 111.357672][ T1159] page_type: f5(slab) [ 111.359617][ T1159] raw: 04fff00000000000 ffff88801ac41b40 dead000000000100 dead000000000122 [ 111.363498][ T1159] raw: 0000000000000000 0000000800080008 00000000f5000000 0000000000000000 [ 111.367208][ T1159] page dumped because: kasan: bad access detected [ 111.369876][ T1159] page_owner tracks the page as allocated [ 111.372217][ T1159] page last allocated via order 0, migratetype Unmovable, gfp_mask 0xd2cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5297, tgid 5297 (syz-executor), ts 106103360384, free_ts 105665433038 [ 111.381593][ T1159] post_alloc_hook+0x22d/0x280 [ 111.383736][ T1159] get_page_from_freelist+0x2593/0x2610 [ 111.386116][ T1159] __alloc_frozen_pages_noprof+0x18d/0x380 [ 111.388552][ T1159] allocate_slab+0x77/0x660 [ 111.390318][ T1159] refill_objects+0x339/0x3d0 [ 111.392324][ T1159] __pcs_replace_empty_main+0x321/0x720 [ 111.394553][ T1159] __kmalloc_noprof+0x474/0x760 [ 111.396550][ T1159] fib_create_info+0x1723/0x31f0 [ 111.398490][ T1159] fib_table_insert+0xc8/0x1b50 [ 111.400433][ T1159] fib_magic+0x434/0x510 [ 111.402121][ T1159] fib_add_ifaddr+0x3fb/0x5f0 [ 111.404106][ T1159] fib_netdev_event+0x382/0x490 [ 111.406007][ T1159] notifier_call_chain+0x1ad/0x3d0 [ 111.408176][ T1159] __dev_notify_flags+0x1a9/0x310 [ 111.410369][ T1159] netif_change_flags+0xe8/0x1a0 [ 111.412433][ T1159] do_setlink+0xfa5/0x45a0 [ 111.414202][ T1159] page last free pid 9 tgid 9 stack trace: [ 111.416439][ T1159] __free_frozen_pages+0xc1c/0xd30 [ 111.418563][ T1159] vfree+0x1d1/0x2f0 [ 111.419956][ T1159] delayed_vfree_work+0x55/0x80 [ 111.421844][ T1159] process_scheduled_works+0xb5d/0x1860 [ 111.424071][ T1159] worker_thread+0xa53/0xfc0 [ 111.426042][ T1159] kthread+0x389/0x470 [ 111.427880][ T1159] ret_from_fork+0x514/0xb70 [ 111.429753][ T1159] ret_from_fork_asm+0x1a/0x30 [ 111.431767][ T1159] [ 111.432812][ T1159] Memory state around the buggy address: [ 111.435163][ T1159] ffff888036a77980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 111.438563][ T1159] ffff888036a77a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 111.441936][ T1159] >ffff888036a77a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 111.445384][ T1159] ^ [ 111.447692][ T1159] ffff888036a77b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 111.450845][ T1159] ffff888036a77b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 111.453821][ T1159] ================================================================== [ 111.480148][ T1159] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 111.483150][ T1159] CPU: 0 UID: 0 PID: 1159 Comm: kworker/u4:10 Not tainted syzkaller #0 PREEMPT(full) [ 111.487060][ T1159] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 111.491394][ T1159] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [ 111.494487][ T1159] Call Trace: [ 111.495728][ T1159] [ 111.496845][ T1159] vpanic+0x56c/0xa60 [ 111.498470][ T1159] ? __pfx_vpanic+0x10/0x10 [ 111.500235][ T1159] panic+0xc5/0xd0 [ 111.501677][ T1159] ? __pfx_panic+0x10/0x10 [ 111.503457][ T1159] ? preempt_schedule_thunk+0x16/0x30 [ 111.505541][ T1159] ? __mutex_lock+0x15a/0x1550 [ 111.507371][ T1159] ? preempt_schedule_thunk+0x16/0x30 [ 111.509604][ T1159] ? __mutex_lock+0x15a/0x1550 [ 111.511503][ T1159] check_panic_on_warn+0x89/0xb0 [ 111.513510][ T1159] ? __mutex_lock+0x15a/0x1550 [ 111.515418][ T1159] end_report+0x73/0x170 [ 111.517262][ T1159] ? __mutex_lock+0x15a/0x1550 [ 111.519370][ T1159] kasan_report+0x128/0x150 [ 111.521179][ T1159] ? __mutex_lock+0x15a/0x1550 [ 111.523045][ T1159] __mutex_lock+0x15a/0x1550 [ 111.524811][ T1159] ? __lock_acquire+0x6b5/0x2cf0 [ 111.526923][ T1159] ? look_up_lock_class+0x57/0x110 [ 111.529131][ T1159] ? __mutex_lock+0x608/0x1550 [ 111.531115][ T1159] ? udp_tunnel_nic_device_sync_work+0x39/0xa10 [ 111.533725][ T1159] ? __pfx___mutex_lock+0x10/0x10 [ 111.535699][ T1159] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 111.537857][ T1159] ? process_scheduled_works+0xa70/0x1860 [ 111.540247][ T1159] udp_tunnel_nic_device_sync_work+0x39/0xa10 [ 111.542835][ T1159] ? process_scheduled_works+0xa70/0x1860 [ 111.544955][ T1159] ? process_scheduled_works+0xa70/0x1860 [ 111.547275][ T1159] process_scheduled_works+0xb5d/0x1860 [ 111.549535][ T1159] ? __pfx_process_scheduled_works+0x10/0x10 [ 111.551889][ T1159] ? assign_work+0x3d5/0x5e0 [ 111.553645][ T1159] worker_thread+0xa53/0xfc0 [ 111.555469][ T1159] kthread+0x389/0x470 [ 111.557104][ T1159] ? __pfx_worker_thread+0x10/0x10 [ 111.559392][ T1159] ? __pfx_kthread+0x10/0x10 [ 111.561458][ T1159] ret_from_fork+0x514/0xb70 [ 111.563529][ T1159] ? __pfx_ret_from_fork+0x10/0x10 [ 111.565835][ T1159] ? __switch_to+0xc79/0x1410 [ 111.568370][ T1159] ? __pfx_kthread+0x10/0x10 [ 111.570965][ T1159] ret_from_fork_asm+0x1a/0x30 [ 111.573598][ T1159] [ 111.575684][ T1159] Kernel Offset: disabled [ 111.577934][ T1159] Rebooting in 86400 seconds..