program: r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDSIGACCEPT(r0, 0x560b, 0x4) ioctl$VT_ACTIVATE(r0, 0x5606, 0x4) r1 = syz_open_dev$dri(&(0x7f0000000340), 0x2, 0xc8d03) ioctl$DRM_IOCTL_SYNCOBJ_CREATE(r1, 0xc00864bf, &(0x7f0000000140)={0x0}) ioctl$DRM_IOCTL_SYNCOBJ_QUERY(r1, 0xc01864cb, &(0x7f0000000180)={&(0x7f0000000080)=[r2, r2], &(0x7f0000000100), 0x2, 0x1}) mkdir(&(0x7f0000000400)='./my_sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./my_sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0) r3 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x15, 0x10, &(0x7f0000000740)=@framed={{0x18, 0x0, 0x0, 0x0, 0x3}, [@snprintf={{0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x2}, {0x3, 0x3, 0x3, 0xa, 0x8, 0xfe00}, {0x7, 0x0, 0x8}, {}, {0x5}, {0x7, 0x0, 0x0, 0x0}, {}, {}, {}, {0x18, 0x3, 0x2, 0x0, r3}, {0x7, 0x0, 0xb, 0x4}, {0x85, 0x0, 0x0, 0x1a}}]}, &(0x7f0000000ac0)='syzkaller\x00', 0xf, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) r4 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./my_sys/bus/pci/devices/0000:00:01.0/remove\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='1', 0x1) r5 = openat(0xffffffffffffff9c, &(0x7f0000000900)='./my_sys/bus/pci/rescan\x00', 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) write(r5, &(0x7f0000000a00)='1', 0x1) [ 124.229965][ T5291] Bluetooth: hci0: command tx timeout [ 124.751613][ T5328] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 conventional PCI endpoint [ 124.768370][ T5328] pci 0000:00:01.0: BAR 0 [mem 0xfc000000-0xfc7fffff pref] [ 124.771678][ T5328] pci 0000:00:01.0: BAR 2 [mem 0xfca00000-0xfca03fff 64bit pref] [ 124.775029][ T5328] pci 0000:00:01.0: BAR 4 [mem 0xfeaf4000-0xfeaf4fff] [ 124.778973][ T5328] pci 0000:00:01.0: ROM [mem 0xfeae0000-0xfeaeffff pref] [ 124.783498][ T5328] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 124.800482][ T5328] pci 0000:00:01.0: Adding to iommu group 1 [ 124.807590][ T5328] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 124.810460][ T5328] pci 0000:00:01.0: vgaarb: bridge control possible [ 124.813120][ T5328] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 124.823234][ T5328] pci 0000:00:01.0: BAR 0 [mem 0x60000000-0x607fffff pref]: assigned [ 124.830959][ T5328] pci 0000:00:01.0: BAR 2 [mem 0x5c0000000-0x5c0003fff 64bit pref]: assigned [ 124.843297][ T5328] pci 0000:00:01.0: BAR 4 [mem 0x60800000-0x60800fff]: assigned [ 124.907615][ T5328] [drm] pci: virtio-vga detected at 0000:00:01.0 [ 124.910829][ T5328] virtio-pci 0000:00:01.0: vgaarb: deactivate vga console [ 124.915019][ T5328] [drm] features: -virgl +edid -resource_blob -host_visible [ 124.915035][ T5328] [drm] features: -context_init -blob_alignment [ 124.930944][ T5328] ------------[ cut here ]------------ [ 124.933386][ T5328] kmem_cache of name 'virtio-gpu-vbufs' already exists [ 124.936351][ T5328] WARNING: mm/slab_common.c:112 at __kmem_cache_create_args+0xac/0x440, CPU#0: syz.0.0/5328 [ 124.940419][ T5328] Modules linked in: [ 124.942093][ T5328] CPU: 0 UID: 0 PID: 5328 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 124.947302][ T5328] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 124.951354][ T5328] RIP: 0010:__kmem_cache_create_args+0xaf/0x440 [ 124.954698][ T5328] Code: c6 8e 4d 8b 24 24 49 81 fc 18 9f c6 8e 74 20 49 8b 7c 24 f8 48 89 de e8 8f d3 b7 09 85 c0 75 e2 48 8d 3d 74 cc 45 0e 48 89 de <67> 48 0f b9 3a 48 89 df be 20 00 00 00 e8 2f d5 b7 09 48 85 c0 0f [ 124.963083][ T5328] RSP: 0018:ffffc9000f0aee28 EFLAGS: 00010246 [ 124.965694][ T5328] RAX: 0000000000000000 RBX: ffffffff8c7450a0 RCX: 0000000000000001 [ 124.968755][ T5328] RDX: 000000008c745000 RSI: ffffffff8c7450a0 RDI: ffffffff905c9480 [ 124.971915][ T5328] RBP: 0000000000000000 R08: ffffffff9057b737 R09: 1ffffffff20af6e6 [ 124.975096][ T5328] R10: dffffc0000000000 R11: fffffbfff20af6e7 R12: ffff88801f1d9e20 [ 124.978484][ T5328] R13: 1ffff92001e15dcc R14: 00000000000000d8 R15: ffffc9000f0aee80 [ 124.981558][ T5328] FS: 00007f0ac41d46c0(0000) GS:ffff88808c543000(0000) knlGS:0000000000000000 [ 124.984963][ T5328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 124.987676][ T5328] CR2: 0000559a4bba0660 CR3: 0000000044211000 CR4: 0000000000352ef0 [ 124.990773][ T5328] Call Trace: [ 124.992765][ T5328] [ 124.994129][ T5328] virtio_gpu_alloc_vbufs+0xc3/0x150 [ 124.996423][ T5328] ? __pfx_virtio_gpu_alloc_vbufs+0x10/0x10 [ 124.998854][ T5328] ? iowrite16+0x1e/0x80 [ 125.000658][ T5328] ? vp_modern_set_queue_enable+0x4d/0x80 [ 125.002822][ T5328] ? iowrite16+0x1e/0x80 [ 125.004586][ T5328] ? vp_modern_find_vqs+0xe9/0x110 [ 125.006728][ T5328] virtio_gpu_init+0x1195/0x19a0 [ 125.008698][ T5328] ? __pfx_virtio_gpu_init+0x10/0x10 [ 125.010948][ T5328] ? __pfx_virtio_gpu_ctrl_ack+0x10/0x10 [ 125.013350][ T5328] ? __pfx_virtio_gpu_cursor_ack+0x10/0x10 [ 125.015740][ T5328] ? vga_remove_vgacon+0x3f/0xd0 [ 125.017775][ T5328] ? __pfx_console_unlock+0x10/0x10 [ 125.019855][ T5328] ? is_console_locked+0x9/0x20 [ 125.021828][ T5328] ? do_unregister_con_driver+0x267/0x470 [ 125.024589][ T5328] virtio_gpu_probe+0x1a9/0x290 [ 125.027047][ T5328] virtio_dev_probe+0xdf6/0x10c0 [ 125.029087][ T5328] ? __pfx_virtio_dev_probe+0x10/0x10 [ 125.031257][ T5328] ? sysfs_do_create_link_sd+0xe0/0x110 [ 125.033403][ T5328] ? driver_sysfs_add+0x1fe/0x210 [ 125.035553][ T5328] ? __pfx_virtio_dev_probe+0x10/0x10 [ 125.038025][ T5328] really_probe+0x254/0xae0 [ 125.039936][ T5328] __driver_probe_device+0x1e8/0x360 [ 125.042151][ T5328] driver_probe_device+0x4f/0x240 [ 125.044447][ T5328] __device_attach_driver+0x270/0x410 [ 125.046876][ T5328] bus_for_each_drv+0x258/0x2f0 [ 125.048973][ T5328] ? __pfx___device_attach_driver+0x10/0x10 [ 125.051430][ T5328] ? __pfx_bus_for_each_drv+0x10/0x10 [ 125.053652][ T5328] ? lockdep_hardirqs_on+0x7a/0x110 [ 125.055879][ T5328] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 125.058682][ T5328] __device_attach+0x2c4/0x450 [ 125.060812][ T5328] ? __pfx___device_attach+0x10/0x10 [ 125.062998][ T5328] ? do_raw_spin_unlock+0x4d/0x210 [ 125.065140][ T5328] ? _raw_spin_unlock+0x28/0x50 [ 125.067195][ T5328] device_initial_probe+0xa1/0xd0 [ 125.071601][ T5328] bus_probe_device+0x12a/0x220 [ 125.073518][ T5328] device_add+0x7d7/0xb80 [ 125.075298][ T5328] ? __pfx_vp_set_status+0x10/0x10 [ 125.077429][ T5328] register_virtio_device+0x4c2/0x6d0 [ 125.079556][ T5328] ? __pfx_register_virtio_device+0x10/0x10 [ 125.081918][ T5328] ? pci_set_master+0xf6/0x1a0 [ 125.083961][ T5328] ? __raw_spin_lock_init+0x45/0x100 [ 125.086293][ T5328] ? virtio_pci_modern_probe+0x225/0x280 [ 125.088583][ T5328] virtio_pci_probe+0x2a8/0x330 [ 125.090571][ T5328] pci_device_probe+0x431/0xc90 [ 125.092501][ T5328] ? __pfx_pci_device_probe+0x10/0x10 [ 125.095566][ T5328] ? kernfs_put+0x7b9/0x820 [ 125.097457][ T5328] ? kernfs_create_link+0x187/0x200 [ 125.099342][ T5328] ? sysfs_do_create_link_sd+0xe0/0x110 [ 125.101280][ T5328] ? driver_sysfs_add+0x1fe/0x210 [ 125.103077][ T5328] ? __pfx_pci_device_probe+0x10/0x10 [ 125.104998][ T5328] really_probe+0x254/0xae0 [ 125.107136][ T5328] __driver_probe_device+0x1e8/0x360 [ 125.109281][ T5328] driver_probe_device+0x4f/0x240 [ 125.111383][ T5328] __device_attach_driver+0x270/0x410 [ 125.113494][ T5328] bus_for_each_drv+0x258/0x2f0 [ 125.115448][ T5328] ? __pfx___device_attach_driver+0x10/0x10 [ 125.117935][ T5328] ? __pfx_bus_for_each_drv+0x10/0x10 [ 125.120084][ T5328] ? lockdep_hardirqs_on+0x7a/0x110 [ 125.122254][ T5328] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 125.124614][ T5328] __device_attach+0x2c4/0x450 [ 125.126726][ T5328] ? __pfx___device_attach+0x10/0x10 [ 125.128982][ T5328] ? _raw_spin_unlock+0x28/0x50 [ 125.131031][ T5328] device_initial_probe+0xa1/0xd0 [ 125.133105][ T5328] pci_bus_add_device+0xbc/0xe0 [ 125.135071][ T5328] pci_bus_add_devices+0x94/0x1c0 [ 125.137132][ T5328] pci_rescan_bus+0x2a/0x40 [ 125.139219][ T5328] rescan_store+0xcc/0x150 [ 125.141193][ T5328] ? __pfx_rescan_store+0x10/0x10 [ 125.144524][ T5328] ? sysfs_file_kobj+0x1e4/0x230 [ 125.147195][ T5328] ? sysfs_kf_write+0x166/0x260 [ 125.149403][ T5328] ? __pfx_sysfs_kf_write+0x10/0x10 [ 125.151554][ T5328] kernfs_fop_write_iter+0x3a4/0x540 [ 125.153855][ T5328] vfs_write+0x612/0xba0 [ 125.155657][ T5328] ? __pfx_vfs_write+0x10/0x10 [ 125.157646][ T5328] ? __fget_files+0x2a/0x420 [ 125.159326][ T5328] ksys_write+0x150/0x270 [ 125.161214][ T5328] ? __pfx_ksys_write+0x10/0x10 [ 125.163305][ T5328] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.166084][ T5328] do_syscall_64+0x174/0x580 [ 125.167883][ T5328] ? trace_irq_disable+0x3b/0x140 [ 125.170028][ T5328] ? clear_bhb_loop+0x40/0x90 [ 125.172053][ T5328] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.174462][ T5328] RIP: 0033:0x7f0ac339de99 [ 125.176475][ T5328] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 125.184769][ T5328] RSP: 002b:00007f0ac41d3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 125.188798][ T5328] RAX: ffffffffffffffda RBX: 00007f0ac3625fa0 RCX: 00007f0ac339de99 [ 125.191986][ T5328] RDX: 0000000000000001 RSI: 0000200000000a00 RDI: 0000000000000007 [ 125.195305][ T5328] RBP: 00007f0ac3433eaf R08: 0000000000000000 R09: 0000000000000000 [ 125.199584][ T5328] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 125.202764][ T5328] R13: 00007f0ac3626038 R14: 00007f0ac3625fa0 R15: 00007ffed1266078 [ 125.206259][ T5328] [ 125.207588][ T5328] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 125.210555][ T5328] CPU: 0 UID: 0 PID: 5328 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 125.214219][ T5328] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 125.218263][ T5328] Call Trace: [ 125.219736][ T5328] [ 125.221026][ T5328] vpanic+0x56c/0xa60 [ 125.222755][ T5328] ? __pfx__printk+0x10/0x10 [ 125.224792][ T5328] ? __pfx_vpanic+0x10/0x10 [ 125.226702][ T5328] ? is_bpf_text_address+0x292/0x2b0 [ 125.228931][ T5328] ? is_bpf_text_address+0x26/0x2b0 [ 125.231036][ T5328] panic+0xc5/0xd0 [ 125.232579][ T5328] ? __pfx_panic+0x10/0x10 [ 125.234145][ T5328] __warn+0x315/0x4c0 [ 125.235713][ T5328] ? __kmem_cache_create_args+0xac/0x440 [ 125.238051][ T5328] ? __kmem_cache_create_args+0xac/0x440 [ 125.240372][ T5328] __report_bug+0x276/0x570 [ 125.242305][ T5328] ? __kmem_cache_create_args+0xac/0x440 [ 125.244755][ T5328] ? __pfx___report_bug+0x10/0x10 [ 125.246858][ T5328] ? __mutex_lock+0x30d/0x1550 [ 125.248811][ T5328] ? vp_find_one_vq_msix+0x2b0/0x460 [ 125.250994][ T5328] report_bug_entry+0x19a/0x290 [ 125.253076][ T5328] ? __kmem_cache_create_args+0xaf/0x440 [ 125.255281][ T5328] ? __kmem_cache_create_args+0xb4/0x440 [ 125.257542][ T5328] handle_bug+0xce/0x200 [ 125.259350][ T5328] exc_invalid_op+0x1a/0x50 [ 125.261334][ T5328] asm_exc_invalid_op+0x1a/0x20 [ 125.263166][ T5328] RIP: 0010:__kmem_cache_create_args+0xaf/0x440 [ 125.265950][ T5328] Code: c6 8e 4d 8b 24 24 49 81 fc 18 9f c6 8e 74 20 49 8b 7c 24 f8 48 89 de e8 8f d3 b7 09 85 c0 75 e2 48 8d 3d 74 cc 45 0e 48 89 de <67> 48 0f b9 3a 48 89 df be 20 00 00 00 e8 2f d5 b7 09 48 85 c0 0f [ 125.273666][ T5328] RSP: 0018:ffffc9000f0aee28 EFLAGS: 00010246 [ 125.276212][ T5328] RAX: 0000000000000000 RBX: ffffffff8c7450a0 RCX: 0000000000000001 [ 125.279352][ T5328] RDX: 000000008c745000 RSI: ffffffff8c7450a0 RDI: ffffffff905c9480 [ 125.282660][ T5328] RBP: 0000000000000000 R08: ffffffff9057b737 R09: 1ffffffff20af6e6 [ 125.286038][ T5328] R10: dffffc0000000000 R11: fffffbfff20af6e7 R12: ffff88801f1d9e20 [ 125.289497][ T5328] R13: 1ffff92001e15dcc R14: 00000000000000d8 R15: ffffc9000f0aee80 [ 125.292859][ T5328] ? __kmem_cache_create_args+0xa1/0x440 [ 125.295293][ T5328] virtio_gpu_alloc_vbufs+0xc3/0x150 [ 125.297633][ T5328] ? __pfx_virtio_gpu_alloc_vbufs+0x10/0x10 [ 125.300093][ T5328] ? iowrite16+0x1e/0x80 [ 125.301872][ T5328] ? vp_modern_set_queue_enable+0x4d/0x80 [ 125.304266][ T5328] ? iowrite16+0x1e/0x80 [ 125.305992][ T5328] ? vp_modern_find_vqs+0xe9/0x110 [ 125.308067][ T5328] virtio_gpu_init+0x1195/0x19a0 [ 125.310173][ T5328] ? __pfx_virtio_gpu_init+0x10/0x10 [ 125.312397][ T5328] ? __pfx_virtio_gpu_ctrl_ack+0x10/0x10 [ 125.314705][ T5328] ? __pfx_virtio_gpu_cursor_ack+0x10/0x10 [ 125.317174][ T5328] ? vga_remove_vgacon+0x3f/0xd0 [ 125.319181][ T5328] ? __pfx_console_unlock+0x10/0x10 [ 125.321300][ T5328] ? is_console_locked+0x9/0x20 [ 125.323309][ T5328] ? do_unregister_con_driver+0x267/0x470 [ 125.325677][ T5328] virtio_gpu_probe+0x1a9/0x290 [ 125.327631][ T5328] virtio_dev_probe+0xdf6/0x10c0 [ 125.329722][ T5328] ? __pfx_virtio_dev_probe+0x10/0x10 [ 125.331973][ T5328] ? sysfs_do_create_link_sd+0xe0/0x110 [ 125.334199][ T5328] ? driver_sysfs_add+0x1fe/0x210 [ 125.336249][ T5328] ? __pfx_virtio_dev_probe+0x10/0x10 [ 125.338490][ T5328] really_probe+0x254/0xae0 [ 125.340421][ T5328] __driver_probe_device+0x1e8/0x360 [ 125.342576][ T5328] driver_probe_device+0x4f/0x240 [ 125.344708][ T5328] __device_attach_driver+0x270/0x410 [ 125.346877][ T5328] bus_for_each_drv+0x258/0x2f0 [ 125.348951][ T5328] ? __pfx___device_attach_driver+0x10/0x10 [ 125.351316][ T5328] ? __pfx_bus_for_each_drv+0x10/0x10 [ 125.353553][ T5328] ? lockdep_hardirqs_on+0x7a/0x110 [ 125.355772][ T5328] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 125.358259][ T5328] __device_attach+0x2c4/0x450 [ 125.360274][ T5328] ? __pfx___device_attach+0x10/0x10 [ 125.362431][ T5328] ? do_raw_spin_unlock+0x4d/0x210 [ 125.364494][ T5328] ? _raw_spin_unlock+0x28/0x50 [ 125.366574][ T5328] device_initial_probe+0xa1/0xd0 [ 125.368753][ T5328] bus_probe_device+0x12a/0x220 [ 125.370812][ T5328] device_add+0x7d7/0xb80 [ 125.372722][ T5328] ? __pfx_vp_set_status+0x10/0x10 [ 125.374912][ T5328] register_virtio_device+0x4c2/0x6d0 [ 125.377137][ T5328] ? __pfx_register_virtio_device+0x10/0x10 [ 125.379611][ T5328] ? pci_set_master+0xf6/0x1a0 [ 125.381555][ T5328] ? __raw_spin_lock_init+0x45/0x100 [ 125.383753][ T5328] ? virtio_pci_modern_probe+0x225/0x280 [ 125.386124][ T5328] virtio_pci_probe+0x2a8/0x330 [ 125.388167][ T5328] pci_device_probe+0x431/0xc90 [ 125.390237][ T5328] ? __pfx_pci_device_probe+0x10/0x10 [ 125.392465][ T5328] ? kernfs_put+0x7b9/0x820 [ 125.394464][ T5328] ? kernfs_create_link+0x187/0x200 [ 125.396729][ T5328] ? sysfs_do_create_link_sd+0xe0/0x110 [ 125.398964][ T5328] ? driver_sysfs_add+0x1fe/0x210 [ 125.401140][ T5328] ? __pfx_pci_device_probe+0x10/0x10 [ 125.403418][ T5328] really_probe+0x254/0xae0 [ 125.405360][ T5328] __driver_probe_device+0x1e8/0x360 [ 125.407519][ T5328] driver_probe_device+0x4f/0x240 [ 125.409567][ T5328] __device_attach_driver+0x270/0x410 [ 125.411806][ T5328] bus_for_each_drv+0x258/0x2f0 [ 125.413868][ T5328] ? __pfx___device_attach_driver+0x10/0x10 [ 125.416358][ T5328] ? __pfx_bus_for_each_drv+0x10/0x10 [ 125.418574][ T5328] ? lockdep_hardirqs_on+0x7a/0x110 [ 125.420671][ T5328] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 125.423188][ T5328] __device_attach+0x2c4/0x450 [ 125.425211][ T5328] ? __pfx___device_attach+0x10/0x10 [ 125.427512][ T5328] ? _raw_spin_unlock+0x28/0x50 [ 125.429588][ T5328] device_initial_probe+0xa1/0xd0 [ 125.431678][ T5328] pci_bus_add_device+0xbc/0xe0 [ 125.433686][ T5328] pci_bus_add_devices+0x94/0x1c0 [ 125.435551][ T5328] pci_rescan_bus+0x2a/0x40 [ 125.437459][ T5328] rescan_store+0xcc/0x150 [ 125.439361][ T5328] ? __pfx_rescan_store+0x10/0x10 [ 125.441418][ T5328] ? sysfs_file_kobj+0x1e4/0x230 [ 125.443470][ T5328] ? sysfs_kf_write+0x166/0x260 [ 125.445570][ T5328] ? __pfx_sysfs_kf_write+0x10/0x10 [ 125.447633][ T5328] kernfs_fop_write_iter+0x3a4/0x540 [ 125.449738][ T5328] vfs_write+0x612/0xba0 [ 125.451435][ T5328] ? __pfx_vfs_write+0x10/0x10 [ 125.453411][ T5328] ? __fget_files+0x2a/0x420 [ 125.455342][ T5328] ksys_write+0x150/0x270 [ 125.457141][ T5328] ? __pfx_ksys_write+0x10/0x10 [ 125.459224][ T5328] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.461761][ T5328] do_syscall_64+0x174/0x580 [ 125.463670][ T5328] ? trace_irq_disable+0x3b/0x140 [ 125.465696][ T5328] ? clear_bhb_loop+0x40/0x90 [ 125.467656][ T5328] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.470047][ T5328] RIP: 0033:0x7f0ac339de99 [ 125.471955][ T5328] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 125.479775][ T5328] RSP: 002b:00007f0ac41d3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 125.483017][ T5328] RAX: ffffffffffffffda RBX: 00007f0ac3625fa0 RCX: 00007f0ac339de99 [ 125.486968][ T5328] RDX: 0000000000000001 RSI: 0000200000000a00 RDI: 0000000000000007 [ 125.490273][ T5328] RBP: 00007f0ac3433eaf R08: 0000000000000000 R09: 0000000000000000 [ 125.493786][ T5328] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 125.496677][ T5328] R13: 00007f0ac3626038 R14: 00007f0ac3625fa0 R15: 00007ffed1266078 [ 125.499347][ T5328] [ 125.500780][ T5328] Kernel Offset: disabled [ 125.502459][ T5328] Rebooting in 86400 seconds..