program: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x2}) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000a40), 0x502, 0x0) fcntl$lock(r1, 0x5, &(0x7f0000001dc0)={0x1, 0x1, 0x80000001, 0x1ff}) (async) fcntl$lock(r1, 0x5, &(0x7f0000001dc0)={0x1, 0x1, 0x80000001, 0x1ff}) r2 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) close(r2) (async) close(r2) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0) (async) mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./sys/bus/platform/drivers/vhci_hcd/unbind\x00', 0x1, 0x0) write(r3, &(0x7f0000000100)='vhci_hcd.0\x00', 0xa) (async) write(r3, &(0x7f0000000100)='vhci_hcd.0\x00', 0xa) r4 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/vhci_hcd/bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000180)='vhci_hcd.0\x00', 0xa) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), r5) sendmsg$TIPC_CMD_ENABLE_BEARER(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000680)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000000d0000000000010000000000000001410000001c001700000000000000006574683a73797a6b616c6c657230"], 0x38}}, 0x0) ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000002280)={'syzkaller0\x00', @multicast}) r7 = openat$tun(0xffffffffffffff9c, &(0x7f0000000080), 0x100, 0x0) close(r7) r8 = socket$unix(0x1, 0x1, 0x0) socket$nl_route(0x10, 0x3, 0x0) (async) r9 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r8, 0x8933, &(0x7f0000000100)={'syzkaller0\x00'}) (async) ioctl$sock_SIOCGIFINDEX(r8, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', 0x0}) sendmsg$nl_route_sched(r9, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000004c0)=@newqdisc={0x58, 0x24, 0x4ee4e6a52ff56541, 0x1, 0x8000000, {0x0, 0x0, 0x0, r10, {0x0, 0xe}, {0xffff, 0xffff}, {0xfff2}}, [@qdisc_kind_options=@q_pfifo_fast={0xf}, @TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xa, 0x7, 0x7, 0xfffff8d2, 0x1, 0x80, 0x1}}, {0x4}}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x20008001}, 0x24004880) (async) sendmsg$nl_route_sched(r9, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000004c0)=@newqdisc={0x58, 0x24, 0x4ee4e6a52ff56541, 0x1, 0x8000000, {0x0, 0x0, 0x0, r10, {0x0, 0xe}, {0xffff, 0xffff}, {0xfff2}}, [@qdisc_kind_options=@q_pfifo_fast={0xf}, @TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xa, 0x7, 0x7, 0xfffff8d2, 0x1, 0x80, 0x1}}, {0x4}}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x20008001}, 0x24004880) ioctl$SIOCSIFHWADDR(r7, 0x8922, &(0x7f0000002280)={'syzkaller0\x00', @random="2b0100004ec6"}) [ 94.129383][ T4652] Bluetooth: hci0: command tx timeout [ 94.301127][ T5327] vhci_hcd vhci_hcd.0: remove, state 4 [ 94.335580][ T5327] usb usb7: USB disconnect, device number 1 [ 94.443030][ T12] vhci_hcd vhci_hcd.0: stop threads [ 94.446682][ T5327] vhci_hcd vhci_hcd.0: USB bus 7 deregistered [ 94.451939][ T12] vhci_hcd vhci_hcd.0: release socket [ 94.459095][ T12] vhci_hcd vhci_hcd.0: disconnect device [ 94.469133][ T12] vhci_hcd vhci_hcd.0: stop threads [ 94.473497][ T5327] vhci_hcd vhci_hcd.0: remove, state 4 [ 94.476445][ T12] ================================================================== [ 94.479728][ T12] BUG: KASAN: slab-use-after-free in vhci_shutdown_connection+0x1d4/0x650 [ 94.483217][ T12] Read of size 8 at addr ffff88803481c780 by task kworker/u4:0/12 [ 94.486305][ T12] [ 94.487346][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u4:0 Not tainted syzkaller #0 PREEMPT(full) [ 94.487361][ T12] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 94.487369][ T12] Workqueue: usbip_event event_handler [ 94.487385][ T12] Call Trace: [ 94.487391][ T12] [ 94.487396][ T12] dump_stack_lvl+0xe8/0x150 [ 94.487413][ T12] print_address_description+0x55/0x1e0 [ 94.487424][ T12] ? vhci_shutdown_connection+0x1d4/0x650 [ 94.487434][ T12] print_report+0x58/0x70 [ 94.487445][ T12] kasan_report+0x117/0x150 [ 94.487460][ T12] ? vhci_shutdown_connection+0x1d4/0x650 [ 94.487474][ T12] vhci_shutdown_connection+0x1d4/0x650 [ 94.487487][ T12] event_handler+0x2a4/0x4b0 [ 94.487497][ T12] ? process_scheduled_works+0xa20/0x14e0 [ 94.487509][ T12] process_scheduled_works+0xa8e/0x14e0 [ 94.487523][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 94.487531][ T12] ? assign_work+0x3cf/0x5d0 [ 94.487539][ T12] worker_thread+0xa47/0xfb0 [ 94.487550][ T12] kthread+0x388/0x470 [ 94.487563][ T12] ? __pfx_worker_thread+0x10/0x10 [ 94.487573][ T12] ? __pfx_kthread+0x10/0x10 [ 94.487586][ T12] ret_from_fork+0x514/0xb70 [ 94.487602][ T12] ? __pfx_ret_from_fork+0x10/0x10 [ 94.487615][ T12] ? __switch_to+0xc89/0x1420 [ 94.487627][ T12] ? __pfx_kthread+0x10/0x10 [ 94.487641][ T12] ret_from_fork_asm+0x1a/0x30 [ 94.487654][ T12] [ 94.487658][ T12] [ 94.546014][ T12] Allocated by task 1: [ 94.547677][ T12] kasan_save_track+0x3e/0x80 [ 94.549715][ T12] __kasan_kmalloc+0x93/0xb0 [ 94.551699][ T12] __kmalloc_noprof+0x375/0x720 [ 94.553800][ T12] __usb_create_hcd+0x67/0x900 [ 94.555800][ T12] vhci_hcd_probe+0x1e6/0x3e0 [ 94.557730][ T12] platform_probe+0xf9/0x190 [ 94.559759][ T12] really_probe+0x254/0xae0 [ 94.561719][ T12] __driver_probe_device+0x1e8/0x360 [ 94.563934][ T12] driver_probe_device+0x4f/0x240 [ 94.565960][ T12] __device_attach_driver+0x270/0x410 [ 94.568157][ T12] bus_for_each_drv+0x258/0x2f0 [ 94.570223][ T12] __device_attach+0x2c4/0x450 [ 94.572129][ T12] device_initial_probe+0xa1/0xd0 [ 94.574184][ T12] bus_probe_device+0x12a/0x220 [ 94.576433][ T12] device_add+0x7d7/0xb80 [ 94.578223][ T12] platform_device_add+0x4bd/0x860 [ 94.580396][ T12] platform_device_register_full+0x62d/0x710 [ 94.583161][ T12] vhci_hcd_init+0x227/0x360 [ 94.585185][ T12] do_one_initcall+0x250/0x870 [ 94.587110][ T12] do_initcall_level+0x10a/0x1a0 [ 94.589176][ T12] do_initcalls+0x59/0xa0 [ 94.591002][ T12] kernel_init_freeable+0x29d/0x3e0 [ 94.593071][ T12] kernel_init+0x1d/0x1d0 [ 94.594898][ T12] ret_from_fork+0x514/0xb70 [ 94.596883][ T12] ret_from_fork_asm+0x1a/0x30 [ 94.598926][ T12] [ 94.600042][ T12] Freed by task 5327: [ 94.601731][ T12] kasan_save_track+0x3e/0x80 [ 94.603714][ T12] kasan_save_free_info+0x40/0x50 [ 94.605934][ T12] __kasan_slab_free+0x5c/0x80 [ 94.607967][ T12] kfree+0x1c5/0x640 [ 94.609671][ T12] vhci_hcd_remove+0x9e/0x110 [ 94.611772][ T12] device_release_driver_internal+0x48b/0x880 [ 94.614397][ T12] unbind_store+0x1a1/0x1d0 [ 94.616424][ T12] kernfs_fop_write_iter+0x3a4/0x540 [ 94.618702][ T12] vfs_write+0x612/0xba0 [ 94.620599][ T12] ksys_write+0x150/0x270 [ 94.622481][ T12] do_syscall_64+0x174/0x580 [ 94.624481][ T12] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.626946][ T12] [ 94.628020][ T12] Last potentially related work creation: [ 94.630457][ T12] kasan_save_stack+0x3e/0x60 [ 94.632416][ T12] kasan_record_aux_stack+0xbd/0xd0 [ 94.634621][ T12] insert_work+0x3d/0x330 [ 94.636503][ T12] __queue_work+0xcd8/0x10a0 [ 94.638487][ T12] queue_work_on+0x106/0x1d0 [ 94.640491][ T12] unlink1+0x344/0x3e0 [ 94.642237][ T12] usb_hcd_unlink_urb+0xe6/0x1e0 [ 94.644399][ T12] usb_kill_urb+0x10b/0x2f0 [ 94.646344][ T12] hub_quiesce+0x211/0x330 [ 94.648261][ T12] hub_suspend+0x904/0xad0 [ 94.650253][ T12] usb_suspend_both+0x285/0x1040 [ 94.652293][ T12] usb_runtime_suspend+0x58/0x110 [ 94.654338][ T12] __rpm_callback+0x2c7/0x950 [ 94.656231][ T12] rpm_suspend+0x8a0/0x17b0 [ 94.658192][ T12] __pm_runtime_suspend+0x12f/0x1a0 [ 94.660558][ T12] usb_new_device+0xadf/0x1620 [ 94.662627][ T12] register_root_hub+0x250/0x5c0 [ 94.664622][ T12] usb_add_hcd+0xac7/0xf80 [ 94.666372][ T12] vhci_hcd_probe+0x1fa/0x3e0 [ 94.668263][ T12] platform_probe+0xf9/0x190 [ 94.670144][ T12] really_probe+0x254/0xae0 [ 94.671988][ T12] __driver_probe_device+0x1e8/0x360 [ 94.674109][ T12] driver_probe_device+0x4f/0x240 [ 94.676126][ T12] __device_attach_driver+0x270/0x410 [ 94.678354][ T12] bus_for_each_drv+0x258/0x2f0 [ 94.680379][ T12] __device_attach+0x2c4/0x450 [ 94.682247][ T12] device_initial_probe+0xa1/0xd0 [ 94.684409][ T12] bus_probe_device+0x12a/0x220 [ 94.686464][ T12] device_add+0x7d7/0xb80 [ 94.688197][ T12] platform_device_add+0x4bd/0x860 [ 94.690363][ T12] platform_device_register_full+0x62d/0x710 [ 94.692925][ T12] vhci_hcd_init+0x227/0x360 [ 94.694998][ T12] do_one_initcall+0x250/0x870 [ 94.696931][ T12] do_initcall_level+0x10a/0x1a0 [ 94.699025][ T12] do_initcalls+0x59/0xa0 [ 94.700851][ T12] kernel_init_freeable+0x29d/0x3e0 [ 94.703055][ T12] kernel_init+0x1d/0x1d0 [ 94.704883][ T12] ret_from_fork+0x514/0xb70 [ 94.706869][ T12] ret_from_fork_asm+0x1a/0x30 [ 94.708894][ T12] [ 94.710048][ T12] Second to last potentially related work creation: [ 94.712802][ T12] kasan_save_stack+0x3e/0x60 [ 94.714845][ T12] kasan_record_aux_stack+0xbd/0xd0 [ 94.716934][ T12] insert_work+0x3d/0x330 [ 94.718562][ T12] __queue_work+0xcd8/0x10a0 [ 94.720423][ T12] queue_work_on+0x106/0x1d0 [ 94.722239][ T12] usb_hcd_submit_urb+0xa3b/0x1b60 [ 94.724391][ T12] usb_start_wait_urb+0x13f/0x5b0 [ 94.726502][ T12] usb_control_msg+0x234/0x3e0 [ 94.728551][ T12] hub_suspend+0x891/0xad0 [ 94.730446][ T12] usb_suspend_both+0x285/0x1040 [ 94.732492][ T12] usb_runtime_suspend+0x58/0x110 [ 94.734582][ T12] __rpm_callback+0x2c7/0x950 [ 94.736487][ T12] rpm_suspend+0x8a0/0x17b0 [ 94.738351][ T12] __pm_runtime_suspend+0x12f/0x1a0 [ 94.740491][ T12] usb_new_device+0xadf/0x1620 [ 94.742420][ T12] register_root_hub+0x250/0x5c0 [ 94.744375][ T12] usb_add_hcd+0xac7/0xf80 [ 94.746278][ T12] vhci_hcd_probe+0x1fa/0x3e0 [ 94.748232][ T12] platform_probe+0xf9/0x190 [ 94.750166][ T12] really_probe+0x254/0xae0 [ 94.752218][ T12] __driver_probe_device+0x1e8/0x360 [ 94.754451][ T12] driver_probe_device+0x4f/0x240 [ 94.756466][ T12] __device_attach_driver+0x270/0x410 [ 94.758674][ T12] bus_for_each_drv+0x258/0x2f0 [ 94.760789][ T12] __device_attach+0x2c4/0x450 [ 94.762826][ T12] device_initial_probe+0xa1/0xd0 [ 94.764982][ T12] bus_probe_device+0x12a/0x220 [ 94.766998][ T12] device_add+0x7d7/0xb80 [ 94.768774][ T12] platform_device_add+0x4bd/0x860 [ 94.771004][ T12] platform_device_register_full+0x62d/0x710 [ 94.773524][ T12] vhci_hcd_init+0x227/0x360 [ 94.775492][ T12] do_one_initcall+0x250/0x870 [ 94.777430][ T12] do_initcall_level+0x10a/0x1a0 [ 94.779589][ T12] do_initcalls+0x59/0xa0 [ 94.781332][ T12] kernel_init_freeable+0x29d/0x3e0 [ 94.783461][ T12] kernel_init+0x1d/0x1d0 [ 94.785258][ T12] ret_from_fork+0x514/0xb70 [ 94.787221][ T12] ret_from_fork_asm+0x1a/0x30 [ 94.789240][ T12] [ 94.790282][ T12] The buggy address belongs to the object at ffff88803481c000 [ 94.790282][ T12] which belongs to the cache kmalloc-8k of size 8192 [ 94.796026][ T12] The buggy address is located 1920 bytes inside of [ 94.796026][ T12] freed 8192-byte region [ffff88803481c000, ffff88803481e000) [ 94.801819][ T12] [ 94.802888][ T12] The buggy address belongs to the physical page: [ 94.805546][ T12] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x34818 [ 94.809276][ T12] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 94.812793][ T12] flags: 0x4fff00000000040(head|node=1|zone=1|lastcpupid=0x7ff) [ 94.815895][ T12] page_type: f5(slab) [ 94.817623][ T12] raw: 04fff00000000040 ffff88801b042280 dead000000000122 0000000000000000 [ 94.821250][ T12] raw: 0000000000000000 0000000800020002 00000000f5000000 0000000000000000 [ 94.824740][ T12] head: 04fff00000000040 ffff88801b042280 dead000000000122 0000000000000000 [ 94.828333][ T12] head: 0000000000000000 0000000800020002 00000000f5000000 0000000000000000 [ 94.831936][ T12] head: 04fff00000000003 fffffffffffffe01 00000000ffffffff 00000000ffffffff [ 94.835448][ T12] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 94.838958][ T12] page dumped because: kasan: bad access detected [ 94.841577][ T12] page_owner tracks the page as allocated [ 94.844068][ T12] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 16722037776, free_ts 16629100278 [ 94.852454][ T12] post_alloc_hook+0x1f9/0x250 [ 94.854536][ T12] get_page_from_freelist+0x21fa/0x2270 [ 94.856877][ T12] __alloc_frozen_pages_noprof+0x18d/0x380 [ 94.859411][ T12] allocate_slab+0x79/0x5e0 [ 94.861378][ T12] refill_objects+0x2d5/0x350 [ 94.863462][ T12] __pcs_replace_empty_main+0x2bf/0x6b0 [ 94.865929][ T12] __kmalloc_noprof+0x485/0x720 [ 94.868072][ T12] __usb_create_hcd+0x67/0x900 [ 94.870251][ T12] vhci_hcd_probe+0x1e6/0x3e0 [ 94.872294][ T12] platform_probe+0xf9/0x190 [ 94.874227][ T12] really_probe+0x254/0xae0 [ 94.876054][ T12] __driver_probe_device+0x1e8/0x360 [ 94.878204][ T12] driver_probe_device+0x4f/0x240 [ 94.880443][ T12] __device_attach_driver+0x270/0x410 [ 94.882737][ T12] bus_for_each_drv+0x258/0x2f0 [ 94.884838][ T12] __device_attach+0x2c4/0x450 [ 94.886780][ T12] page last free pid 9 tgid 9 stack trace: [ 94.889201][ T12] free_pages_prepare+0x960/0xa60 [ 94.891371][ T12] __free_contig_range_common+0x174/0x340 [ 94.893720][ T12] free_pages_bulk+0x48/0x120 [ 94.895667][ T12] vfree+0x224/0x4a0 [ 94.897355][ T12] delayed_vfree_work+0x55/0x80 [ 94.899362][ T12] process_scheduled_works+0xa8e/0x14e0 [ 94.901622][ T12] worker_thread+0xa47/0xfb0 [ 94.903641][ T12] kthread+0x388/0x470 [ 94.905365][ T12] ret_from_fork+0x514/0xb70 [ 94.907302][ T12] ret_from_fork_asm+0x1a/0x30 [ 94.909377][ T12] [ 94.910409][ T12] Memory state around the buggy address: [ 94.912781][ T12] ffff88803481c680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 94.916124][ T12] ffff88803481c700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 94.922065][ T12] >ffff88803481c780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 94.925206][ T12] ^ [ 94.926955][ T12] ffff88803481c800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 94.930296][ T12] ffff88803481c880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 94.933630][ T12] ================================================================== [ 94.940202][ T5327] usb usb6: USB disconnect, device number 1 [ 94.970459][ T5327] vhci_hcd vhci_hcd.0: USB bus 6 deregistered [ 95.008369][ T5326] vhci_hcd vhci_hcd.0: USB/IP Virtual Host Controller [ 95.030796][ T5326] vhci_hcd vhci_hcd.0: new USB bus registered, assigned bus number 6 [ 95.035303][ T5326] vhci_hcd vhci_hcd.0: created sysfs vhci_hcd.0 [ 95.046755][ T5326] usb usb6: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 7.02 [ 95.050734][ T5326] usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 95.054910][ T5326] usb usb6: Product: USB/IP Virtual Host Controller [ 95.057746][ T5326] usb usb6: Manufacturer: Linux syzkaller vhci_hcd [ 95.060685][ T5326] usb usb6: SerialNumber: vhci_hcd.0 [ 95.091404][ T5326] hub 6-0:1.0: USB hub found [ 95.095271][ T5326] hub 6-0:1.0: 8 ports detected [ 95.097491][ T12] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 95.100602][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u4:0 Not tainted syzkaller #0 PREEMPT(full) [ 95.104505][ T12] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 95.108835][ T12] Workqueue: usbip_event event_handler [ 95.111213][ T12] Call Trace: [ 95.112698][ T12] [ 95.113981][ T12] vpanic+0x56c/0xa60 [ 95.115659][ T12] ? __pfx_vpanic+0x10/0x10 [ 95.117611][ T12] ? __pfx___schedule+0x10/0x10 [ 95.119707][ T12] panic+0xc5/0xd0 [ 95.121359][ T12] ? __pfx_panic+0x10/0x10 [ 95.123247][ T12] ? preempt_schedule_common+0x82/0xd0 [ 95.125634][ T12] ? vhci_shutdown_connection+0x1d4/0x650 [ 95.128081][ T12] check_panic_on_warn+0x89/0xb0 [ 95.130291][ T12] ? vhci_shutdown_connection+0x1d4/0x650 [ 95.132773][ T12] end_report+0x73/0x170 [ 95.134578][ T12] ? vhci_shutdown_connection+0x1d4/0x650 [ 95.136949][ T12] kasan_report+0x128/0x150 [ 95.138772][ T12] ? vhci_shutdown_connection+0x1d4/0x650 [ 95.141175][ T12] vhci_shutdown_connection+0x1d4/0x650 [ 95.143458][ T12] event_handler+0x2a4/0x4b0 [ 95.146054][ T12] ? process_scheduled_works+0xa20/0x14e0 [ 95.148749][ T12] process_scheduled_works+0xa8e/0x14e0 [ 95.151146][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 95.153970][ T12] ? assign_work+0x3cf/0x5d0 [ 95.156455][ T12] worker_thread+0xa47/0xfb0 [ 95.158871][ T12] kthread+0x388/0x470 [ 95.161027][ T12] ? __pfx_worker_thread+0x10/0x10 [ 95.163743][ T12] ? __pfx_kthread+0x10/0x10 [ 95.166129][ T12] ret_from_fork+0x514/0xb70 [ 95.168662][ T12] ? __pfx_ret_from_fork+0x10/0x10 [ 95.170922][ T12] ? __switch_to+0xc89/0x1420 [ 95.172979][ T12] ? __pfx_kthread+0x10/0x10 [ 95.175120][ T12] ret_from_fork_asm+0x1a/0x30 [ 95.177117][ T12] [ 95.178859][ T12] Kernel Offset: disabled [ 95.180692][ T12] Rebooting in 86400 seconds..