INFO: task hung in virtio_gpu_queue_fenced_ctrl_buffer
INFO: task swapper/0:1 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:swapper/0 state:D stack:20096 pid:1 tgid:1 ppid:0 task_flags:0x0140 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0x14ef/0x4fb0 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0x164/0x360 kernel/sched/core.c:6964
virtio_gpu_queue_ctrl_sgs drivers/gpu/drm/virtio/virtgpu_vq.c:399 [inline]
virtio_gpu_queue_fenced_ctrl_buffer+0x760/0x1090 drivers/gpu/drm/virtio/virtgpu_vq.c:500
virtio_gpu_resource_flush drivers/gpu/drm/virtio/virtgpu_plane.c:226 [inline]
virtio_gpu_primary_plane_update+0xcff/0x13a0 drivers/gpu/drm/virtio/virtgpu_plane.c:301
drm_atomic_helper_commit_planes+0x60f/0xec0 drivers/gpu/drm/drm_atomic_helper.c:3038
drm_atomic_helper_commit_tail+0x5f/0x500 drivers/gpu/drm/drm_atomic_helper.c:1988
commit_tail+0x29a/0x3a0 drivers/gpu/drm/drm_atomic_helper.c:2073
drm_atomic_helper_commit+0xa6e/0xb10 drivers/gpu/drm/drm_atomic_helper.c:2311
drm_atomic_commit+0x246/0x2b0 drivers/gpu/drm/drm_atomic.c:1743
drm_client_modeset_commit_atomic+0x660/0x7e0 drivers/gpu/drm/drm_client_modeset.c:1103
drm_client_modeset_commit_locked+0xcb/0x4d0 drivers/gpu/drm/drm_client_modeset.c:1206
pan_display_atomic drivers/gpu/drm/drm_fb_helper.c:1311 [inline]
drm_fb_helper_pan_display+0x3e7/0xbd0 drivers/gpu/drm/drm_fb_helper.c:1371
fb_pan_display+0x39e/0x680 drivers/video/fbdev/core/fbmem.c:193
bit_update_start+0x4c/0x1e0 drivers/video/fbdev/core/bitblit.c:405
fbcon_switch+0x130f/0x1d00 drivers/video/fbdev/core/fbcon.c:2216
redraw_screen+0x586/0xec0 drivers/tty/vt/vt.c:966
con2fb_init_display drivers/video/fbdev/core/fbcon.c:857 [inline]
set_con2fb_map+0xabb/0xfc0 drivers/video/fbdev/core/fbcon.c:918
do_fb_registered drivers/video/fbdev/core/fbcon.c:3050 [inline]
fbcon_fb_registered+0x24e/0x610 drivers/video/fbdev/core/fbcon.c:3070
do_register_framebuffer drivers/video/fbdev/core/fbmem.c:512 [inline]
register_framebuffer+0x738/0x8d0 drivers/video/fbdev/core/fbmem.c:579
__drm_fb_helper_initial_config_and_unlock+0x14f1/0x1c60 drivers/gpu/drm/drm_fb_helper.c:1772
drm_fbdev_client_hotplug+0x16c/0x230 drivers/gpu/drm/clients/drm_fbdev_client.c:66
drm_client_register+0x172/0x210 drivers/gpu/drm/drm_client.c:143
drm_fbdev_client_setup+0x1a0/0x3f0 drivers/gpu/drm/clients/drm_fbdev_client.c:168
drm_client_setup+0x107/0x220 drivers/gpu/drm/clients/drm_client_setup.c:46
virtio_gpu_probe+0x23a/0x2a0 drivers/gpu/drm/virtio/virtgpu_drv.c:111
virtio_dev_probe+0xd93/0x1050 drivers/virtio/virtio.c:347
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x267/0xaf0 drivers/base/dd.c:661
__driver_probe_device+0x18c/0x320 drivers/base/dd.c:803
driver_probe_device+0x4f/0x240 drivers/base/dd.c:833
__driver_attach+0x349/0x640 drivers/base/dd.c:1227
bus_for_each_dev+0x23b/0x2c0 drivers/base/bus.c:383
bus_add_driver+0x345/0x670 drivers/base/bus.c:715
driver_register+0x23a/0x320 drivers/base/driver.c:249
virtio_gpu_driver_init+0x96/0x110 drivers/gpu/drm/virtio/virtgpu_drv.c:195
do_one_initcall+0x250/0x840 init/main.c:1378
do_initcall_level+0x104/0x190 init/main.c:1440
do_initcalls+0x59/0xa0 init/main.c:1456
kernel_init_freeable+0x2a6/0x3d0 init/main.c:1688
kernel_init+0x1d/0x1d0 init/main.c:1578
ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
INFO: task kworker/0:1:10 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1 state:D stack:25864 pid:10 tgid:10 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: events virtio_gpu_dequeue_ctrl_func
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0x14ef/0x4fb0 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0x164/0x360 kernel/sched/core.c:6964
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7021
__mutex_lock_common kernel/locking/mutex.c:692 [inline]
__mutex_lock+0x7fe/0x1300 kernel/locking/mutex.c:776
drm_client_dev_hotplug+0xdc/0x4f0 drivers/gpu/drm/drm_client_event.c:98
virtio_gpu_dequeue_ctrl_func+0x506/0x8c0 drivers/gpu/drm/virtio/virtgpu_vq.c:265
process_one_work kernel/workqueue.c:3257 [inline]
process_scheduled_works+0xaec/0x17a0 kernel/workqueue.c:3340
worker_thread+0x89f/0xd90 kernel/workqueue.c:3421
kthread+0x726/0x8b0 kernel/kthread.c:463
ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
INFO: task kworker/0:2:55 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2 state:D stack:24984 pid:55 tgid:55 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: events drm_fb_helper_damage_work
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0x14ef/0x4fb0 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0x164/0x360 kernel/sched/core.c:6964
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7021
__mutex_lock_common kernel/locking/mutex.c:692 [inline]
__mutex_lock+0x7fe/0x1300 kernel/locking/mutex.c:776
drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:333 [inline]
drm_fb_helper_damage_work+0x125/0x750 drivers/gpu/drm/drm_fb_helper.c:372
process_one_work kernel/workqueue.c:3257 [inline]
process_scheduled_works+0xaec/0x17a0 kernel/workqueue.c:3340
worker_thread+0x89f/0xd90 kernel/workqueue.c:3421
kthread+0x726/0x8b0 kernel/kthread.c:463
ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Showing all locks held in the system:
10 locks held by swapper/0/1:
#0: ffff8880002d1170 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:895 [inline]
#0: ffff8880002d1170 (&dev->mutex){....}-{4:4}, at: __device_driver_lock drivers/base/dd.c:1106 [inline]
#0: ffff8880002d1170 (&dev->mutex){....}-{4:4}, at: __driver_attach+0x33e/0x640 drivers/base/dd.c:1226
#1: ffff88800067c270 (&dev->clientlist_mutex){+.+.}-{4:4}, at: drm_client_register+0x4f/0x210 drivers/gpu/drm/drm_client.c:129
#2: ffffffff8eb40f08 (registration_lock){+.+.}-{4:4}, at: register_framebuffer+0x8d/0x8d0 drivers/video/fbdev/core/fbmem.c:578
#3: ffffffff8e34c760 (console_lock){+.+.}-{0:0}, at: fbcon_fb_registered+0x49/0x610 drivers/video/fbdev/core/fbcon.c:3066
#4: ffff88803495b280 (&helper->lock){+.+.}-{4:4}, at: drm_fb_helper_pan_display+0xbe/0xbd0 drivers/gpu/drm/drm_fb_helper.c:1364
#5: ffff88800067c128 (&dev->master_mutex){+.+.}-{4:4}, at: drm_master_internal_acquire+0x20/0x80 drivers/gpu/drm/drm_auth.c:435
#6: ffff88803495b098 (&client->modeset_mutex){+.+.}-{4:4}, at: drm_client_modeset_commit_locked+0x4c/0x4d0 drivers/gpu/drm/drm_client_modeset.c:1204
#7: ffffc90000136b30 (crtc_ww_class_acquire){+.+.}-{0:0}, at: drm_client_modeset_commit_atomic+0x11a/0x7e0 drivers/gpu/drm/drm_client_modeset.c:1042
#8: ffffc90000136b58 (crtc_ww_class_mutex){+.+.}-{4:4}, at: drm_client_modeset_commit_atomic+0x11a/0x7e0 drivers/gpu/drm/drm_client_modeset.c:1042
#9: ffffffff8ec444f8 (drm_unplug_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:185 [inline]
#9: ffffffff8ec444f8 (drm_unplug_srcu){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:277 [inline]
#9: ffffffff8ec444f8 (drm_unplug_srcu){.+.+}-{0:0}, at: drm_dev_enter+0x49/0x150 drivers/gpu/drm/drm_drv.c:451
3 locks held by kworker/0:1/10:
#0: ffff88801a867548 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3232 [inline]
#0: ffff88801a867548 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x9d4/0x17a0 kernel/workqueue.c:3340
#1: ffffc900001c7bc0 ((work_completion)(&vgvq->dequeue_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3233 [inline]
#1: ffffc900001c7bc0 ((work_completion)(&vgvq->dequeue_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa0f/0x17a0 kernel/workqueue.c:3340
#2: ffff88800067c270 (&dev->clientlist_mutex){+.+.}-{4:4}, at: drm_client_dev_hotplug+0xdc/0x4f0 drivers/gpu/drm/drm_client_event.c:98
2 locks held by kworker/u4:0/12:
#0: ffff88801a879148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3232 [inline]
#0: ffff88801a879148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x9d4/0x17a0 kernel/workqueue.c:3340
#1: ffffc900001e7bc0 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3233 [inline]
#1: ffffc900001e7bc0 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa0f/0x17a0 kernel/workqueue.c:3340
1 lock held by khungtaskd/26:
#0: ffffffff8e35a360 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#0: ffffffff8e35a360 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:867 [inline]
#0: ffffffff8e35a360 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6775
3 locks held by kworker/0:2/55:
#0: ffff88801a867548 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3232 [inline]
#0: ffff88801a867548 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x9d4/0x17a0 kernel/workqueue.c:3340
#1: ffffc9000101fbc0 ((work_completion)(&helper->damage_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3233 [inline]
#1: ffffc9000101fbc0 ((work_completion)(&helper->damage_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa0f/0x17a0 kernel/workqueue.c:3340
#2: ffff88803495b280 (&helper->lock){+.+.}-{4:4}, at: drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:333 [inline]
#2: ffff88803495b280 (&helper->lock){+.+.}-{4:4}, at: drm_fb_helper_damage_work+0x125/0x750 drivers/gpu/drm/drm_fb_helper.c:372
=============================================
failed to run ["ssh" "-p" "8689" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@localhost" "pwd"]: exit status 255ftruncate: Invalid argument
qemu-system-x86_64: warning: hub 0 is not connected to host network
[ 0.000000][ T0] Linux version syzkaller (syzkaller@syzkaller) (Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8) #0 SMP PREEMPT_DYNAMIC now
[ 0.000000][ T0] Command line: root=/dev/sda console=ttyS0 root=/dev/sda1 loop.max_loop=1 dummy_hcd.num=1 netrom.nr_ndevs=1 rose.rose_ndevs=1
[ 0.000000][ T0] KERNEL supported cpus:
[ 0.000000][ T0] Intel GenuineIntel
[ 0.000000][ T0] AMD AuthenticAMD
[ 0.000000][ T0] BIOS-provided physical RAM map:
[ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
[ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
[ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved
[ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x000000005ffdcfff] usable
[ 0.000000][ T0] BIOS-e820: [mem 0x000000005ffdd000-0x000000005fffffff] reserved
[ 0.000000][ T0] BIOS-e820: [mem 0x00000000b0000000-0x00000000bfffffff] reserved
[ 0.000000][ T0] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved
[ 0.000000][ T0] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved
[ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
[ 0.000000][ T0] printk: legacy bootconsole [earlyser0] enabled
[ 0.000000][ T0] ERROR: earlyprintk= earlyser already used
[ 0.000000][ T0] ERROR: earlyprintk= earlyser already used
[ 0.000000][ T0] Hash pointers mode set to never.
[ 0.000000][ T0] Malformed early option 'vsyscall'
[ 0.000000][ T0] nopcid: PCID feature disabled
[ 0.000000][ T0] NX (Execute Disable) protection: active
[ 0.000000][ T0] APIC: Static calls initialized
[ 0.000000][ T0] SMBIOS 2.8 present.
[ 0.000000][ T0] DMI: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 0.000000][ T0] DMI: Memory slots populated: 1/1
[ 0.000000][ T0] Hypervisor detected: KVM
[ 0.000000][ T0] last_pfn = 0x5ffdd max_arch_pfn = 0x400000000
[ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00
[ 0.000008][ T0] kvm-clock: using sched offset of 2615986430 cycles
[ 0.005650][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[ 0.030420][ T0] last_pfn = 0x5ffdd max_arch_pfn = 0x400000000
[ 0.036704][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs
[ 0.045323][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
[ 0.060995][ T0] found SMP MP-table at [mem 0x000f5430-0x000f543f]
[ 0.067200][ T0] Using GB pages for direct mapping
[ 0.074677][ T0] ACPI: Early table checksum verification disabled
[ 0.081054][ T0] ACPI: RSDP 0x00000000000F5270 000014 (v00 BOCHS )
[ 0.087959][ T0] ACPI: RSDT 0x000000005FFE25D7 000048 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.096898][ T0] ACPI: FACP 0x000000005FFE189E 0000F4 (v03 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.105740][ T0] ACPI: DSDT 0x000000005FFDF040 00285E (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.114546][ T0] ACPI: FACS 0x000000005FFDF000 000040
[ 0.119587][ T0] ACPI: APIC 0x000000005FFE1992 000078 (v03 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.128332][ T0] ACPI: HPET 0x000000005FFE1A0A 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.137226][ T0] ACPI: SRAT 0x000000005FFE1A42 0000E0 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.145831][ T0] ACPI: MCFG 0x000000005FFE1B22 00003C (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.154590][ T0] ACPI: DMAR 0x000000005FFE1B5E 0000D0 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.163301][ T0] ACPI: SSDT 0x000000005FFE1C2E 0008A1 (v01 BOCHS NVDIMM 00000001 BXPC 00000001)
[ 0.172278][ T0] ACPI: NFIT 0x000000005FFE24CF 0000E0 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.181124][ T0] ACPI: WAET 0x000000005FFE25AF 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.190171][ T0] ACPI: Reserving FACP table memory at [mem 0x5ffe189e-0x5ffe1991]
[ 0.197601][ T0] ACPI: Reserving DSDT table memory at [mem 0x5ffdf040-0x5ffe189d]
[ 0.204760][ T0] ACPI: Reserving FACS table memory at [mem 0x5ffdf000-0x5ffdf03f]
[ 0.212221][ T0] ACPI: Reserving APIC table memory at [mem 0x5ffe1992-0x5ffe1a09]
[ 0.219618][ T0] ACPI: Reserving HPET table memory at [mem 0x5ffe1a0a-0x5ffe1a41]
[ 0.227022][ T0] ACPI: Reserving SRAT table memory at [mem 0x5ffe1a42-0x5ffe1b21]
[ 0.234293][ T0] ACPI: Reserving MCFG table memory at [mem 0x5ffe1b22-0x5ffe1b5d]
[ 0.241839][ T0] ACPI: Reserving DMAR table memory at [mem 0x5ffe1b5e-0x5ffe1c2d]
[ 0.249427][ T0] ACPI: Reserving SSDT table memory at [mem 0x5ffe1c2e-0x5ffe24ce]
[ 0.256829][ T0] ACPI: Reserving NFIT table memory at [mem 0x5ffe24cf-0x5ffe25ae]
[ 0.264195][ T0] ACPI: Reserving WAET table memory at [mem 0x5ffe25af-0x5ffe25d6]
[ 0.271690][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff]
[ 0.278018][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x5fffffff]
[ 0.284275][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x103ffffff] non-volatile
[ 0.291948][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x59fffffff] hotplug
[ 0.299272][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0x5ffdcfff] -> [mem 0x00001000-0x5ffdcfff]
[ 0.309593][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000030000fff] (768MB)
[ 0.317242][ T0] Faking node 1 at [mem 0x0000000030001000-0x000000005ffdcfff] (767MB)
[ 0.326180][ T0] NODE_DATA(0) allocated [mem 0x2fffb400-0x30000fff]
[ 0.333515][ T0] NODE_DATA(1) allocated [mem 0x5ffd6400-0x5ffdbfff]
[ 0.351104][ T0] Zone ranges:
[ 0.353968][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.360354][ T0] DMA32 [mem 0x0000000001000000-0x000000005ffdcfff]
[ 0.366687][ T0] Normal empty
[ 0.369996][ T0] Device empty
[ 0.373367][ T0] Movable zone start for each node
[ 0.378153][ T0] Early memory node ranges
[ 0.382266][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff]
[ 0.390070][ T0] node 0: [mem 0x0000000000100000-0x0000000030000fff]
[ 0.396898][ T0] node 1: [mem 0x0000000030001000-0x000000005ffdcfff]
[ 0.403517][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000030000fff]
[ 0.410775][ T0] Initmem setup node 1 [mem 0x0000000030001000-0x000000005ffdcfff]
[ 0.417952][ T0] On node 0, zone DMA: 1 pages in unavailable ranges
[ 0.424243][ T0] On node 0, zone DMA: 97 pages in unavailable ranges
[ 0.452307][ T0] On node 1, zone DMA32: 35 pages in unavailable ranges
[ 0.583295][ T0] KernelAddressSanitizer initialized (generic)
[ 0.597380][ T0] ACPI: PM-Timer IO Port: 0x608
[ 0.602038][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.608629][ T0] IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23
[ 0.615937][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.622306][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[ 0.629269][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.636135][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[ 0.643161][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[ 0.650512][ T0] ACPI: Using ACPI (MADT) for SMP configuration information
[ 0.657556][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[ 0.663141][ T0] TSC deadline timer available
[ 0.667477][ T0] CPU topo: Max. logical packages: 1
[ 0.672456][ T0] CPU topo: Max. logical dies: 1
[ 0.677478][ T0] CPU topo: Max. dies per package: 1
[ 0.682475][ T0] CPU topo: Max. threads per core: 1
[ 0.687451][ T0] CPU topo: Num. cores per package: 1
[ 0.692894][ T0] CPU topo: Num. threads per package: 1
[ 0.698369][ T0] CPU topo: Allowing 1 present CPUs plus 0 hotplug CPUs
[ 0.705434][ T0] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write()
[ 0.713270][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 0.721238][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff]
[ 0.728910][ T0] [mem 0x60000000-0xafffffff] available for PCI devices
[ 0.735384][ T0] Booting paravirtualized kernel on KVM
[ 0.740503][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.834295][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:1 nr_cpu_ids:1 nr_node_ids:2
[ 0.843079][ T0] percpu: Embedded 70 pages/cpu s248968 r8192 d29560 u2097152
[ 0.850642][ T0] kvm-guest: PV spinlocks disabled, single CPU
[ 0.856667][ T0] Kernel command line: earlyprintk=serial net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 binder.debug_mask=0 rcupdate.rcu_expedited=1 rcupdate.rcu_cpu_stall_cputime=1 no_hash_pointers page_owner=on sysctl.vm.nr_hugepages=4 sysctl.vm.nr_overcommit_hugepages=4 secretmem.enable=1 sysctl.max_rcu_stall_to_panic=1 msr.allow_writes=off coredump_filter=0xffff root=/dev/sda console=ttyS0 vsyscall=native numa=fake=2 kvm-intel.nested=1 spec_store_bypass_disable=prctl nopcid vivid.n_devs=64 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=32 rose.rose_ndevs=32 smp.csd_lock_timeout=100000 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 dummy_hcd.num=32 max_loop=32 nbds_max=32 \
[ 0.943894][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 root=/dev/sda console=ttyS0 root=/dev/sda1 loop.max_loop=1 dummy_hcd.num=1 netrom.nr_ndevs=1 rose.rose_ndevs=1
[ 0.965486][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space.
[ 0.974695][ T0] random: crng init done
[ 0.978620][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes
[ 0.986757][ T0] software IO TLB: area num 1.
[ 1.031426][ T0] Fallback order for Node 0: 0 1
[ 1.031451][ T0] Fallback order for Node 1: 1 0
[ 1.031465][ T0] Built 2 zonelists, mobility grouping on. Total pages: 393083
[ 1.045286][ T0] Policy zone: DMA32
[ 1.049050][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off
[ 1.054762][ T0] stackdepot: allocating hash table via alloc_large_system_hash
[ 1.060560][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear)
[ 1.074775][ T0] stackdepot: allocating space for 8192 stack pools via memblock
[ 1.168698][ T0] **********************************************************
[ 1.174344][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **
[ 1.179914][ T0] ** **
[ 1.185438][ T0] ** This system shows unhashed kernel memory addresses **
[ 1.191034][ T0] ** via the console, logs, and other interfaces. This **
[ 1.196625][ T0] ** might reduce the security of your system. **
[ 1.202153][ T0] ** **
[ 1.207752][ T0] ** If you see this message and you are not debugging **
[ 1.213417][ T0] ** the kernel, report this immediately to your system **
[ 1.218939][ T0] ** administrator! **
[ 1.224371][ T0] ** **
[ 1.230228][ T0] ** Use hash_pointers=always to force this mode off **
[ 1.236110][ T0] ** **
[ 1.241749][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **
[ 1.247396][ T0] **********************************************************
[ 1.257000][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=2
[ 1.309203][ T0] allocated 31457280 bytes of page_ext
[ 1.313264][ T0] Node 0, zone DMA: page owner found early allocated 0 pages
[ 1.325397][ T0] Node 0, zone DMA32: page owner found early allocated 4578 pages
[ 1.334353][ T0] Node 1, zone DMA32: page owner found early allocated 3203 pages
[ 1.341959][ T0] Dynamic Preempt: full
[ 1.347581][ T0] Running RCU self tests
[ 1.350832][ T0] Running RCU synchronous self tests
[ 1.354884][ T0] rcu: Preemptible hierarchical RCU implementation.
[ 1.359984][ T0] rcu: RCU lockdep checking is enabled.
[ 1.365059][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=1.
[ 1.371147][ T0] rcu: RCU callback double-/use-after-free debug is enabled.
[ 1.376896][ T0] rcu: RCU debug extended QS entry/exit.
[ 1.381252][ T0] All grace periods are expedited (rcu_expedited).
[ 1.386101][ T0] Trampoline variant of Tasks RCU enabled.
[ 1.390523][ T0] Tracing variant of Tasks RCU enabled.
[ 1.394780][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[ 1.401971][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1
[ 1.407942][ T0] Running RCU synchronous self tests
[ 1.411868][ T0] RCU Tasks: Setting shift to 0 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=1.
[ 1.419033][ T0] RCU Tasks Trace: Setting shift to 0 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=1.
[ 1.605399][ T0] NR_IRQS: 4352, nr_irqs: 256, preallocated irqs: 16
[ 1.613015][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[ 1.620508][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88805b200000-0xffff88805b400000
[ 1.666154][ T0] Console: colour VGA+ 80x25
[ 1.670033][ T0] printk: legacy console [ttyS0] enabled
[ 1.670033][ T0] printk: legacy console [ttyS0] enabled
[ 1.678528][ T0] printk: legacy bootconsole [earlyser0] disabled
[ 1.678528][ T0] printk: legacy bootconsole [earlyser0] disabled
[ 1.688393][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[ 1.695054][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8
[ 1.698884][ T0] ... MAX_LOCK_DEPTH: 48
[ 1.702948][ T0] ... MAX_LOCKDEP_KEYS: 8192
[ 1.706976][ T0] ... CLASSHASH_SIZE: 4096
[ 1.710996][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576
[ 1.715151][ T0] ... MAX_LOCKDEP_CHAINS: 1048576
[ 1.719554][ T0] ... CHAINHASH_SIZE: 524288
[ 1.723654][ T0] memory used by lock dependency info: 106625 kB
[ 1.728545][ T0] memory used for stack traces: 8320 kB
[ 1.732764][ T0] per task-struct memory footprint: 1920 bytes
[ 1.737807][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl
[ 1.747205][ T0] ACPI: Core revision 20250807
[ 1.752830][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns
[ 1.761690][ T0] APIC: Switch to symmetric I/O mode setup
[ 1.766174][ T0] DMAR: Host address width 48
[ 1.769780][ T0] DMAR: DRHD base: 0x000000fed90000 flags: 0x0
[ 1.775193][ T0] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap d2008c222f0606 ecap f00f5e
[ 1.782257][ T0] DMAR: ATSR flags: 0x1
[ 1.785473][ T0] DMAR-IR: IOAPIC id 0 under DRHD base 0xfed90000 IOMMU 0
[ 1.791009][ T0] DMAR-IR: Queued invalidation will be enabled to support x2apic and Intr-remapping.
[ 1.803901][ T0] DMAR-IR: Enabled IRQ remapping in x2apic mode
[ 1.808704][ T0] x2apic enabled
[ 1.812294][ T0] APIC: Switched APIC routing to: cluster x2apic
[ 1.835399][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[ 1.841369][ T0] Calibrating delay loop (skipped) preset value.. 5599.99 BogoMIPS (lpj=27999980)
[ 1.849836][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated
[ 1.852367][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
[ 1.857034][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0
[ 1.861425][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto
[ 1.871352][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl
[ 1.881357][ T0] Spectre V2 : Mitigation: Enhanced / Automatic IBRS
[ 1.886497][ T0] RETBleed: Mitigation: Enhanced IBRS
[ 1.891351][ T0] ITS: Mitigation: Aligned branch/return thunks
[ 1.896201][ T0] TAA: Vulnerable: Clear CPU buffers attempted, no microcode
[ 1.901350][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode
[ 1.907766][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
[ 1.911350][ T0] Spectre V2 : WARNING: Unprivileged eBPF is enabled with eIBRS on, data leaks possible via Spectre v2 BHB attacks!
[ 1.921384][ T0] Spectre V2 : Spectre v2 / PBRSB-eIBRS: Retire a single CALL on VMEXIT
[ 1.931397][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier
[ 1.938914][ T0] active return thunk: its_return_thunk
[ 1.945526][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit
[ 1.951620][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
[ 1.961433][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
[ 1.966987][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
[ 1.971352][ T0] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask'
[ 1.976650][ T0] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256'
[ 1.981350][ T0] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256'
[ 1.986855][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
[ 1.991350][ T0] x86/fpu: xstate_offset[5]: 832, xstate_sizes[5]: 64
[ 1.996634][ T0] x86/fpu: xstate_offset[6]: 896, xstate_sizes[6]: 512
[ 2.001352][ T0] x86/fpu: xstate_offset[7]: 1408, xstate_sizes[7]: 1024
[ 2.006605][ T0] x86/fpu: Enabled xstate features 0xe7, context size is 2432 bytes, using 'compacted' format.
[ 2.465111][ T0] Freeing SMP alternatives memory: 132K
[ 2.469215][ T0] pid_max: default: 32768 minimum: 301
[ 2.472613][ T0] landlock: Up and running.
[ 2.477086][ T0] Yama: becoming mindful.
[ 2.481804][ T0] TOMOYO Linux initialized
[ 2.486319][ T0] AppArmor: AppArmor initialized
[ 2.492681][ T0] LSM support for eBPF active
[ 2.499042][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc hugepage)
[ 2.502266][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc)
[ 2.511605][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc)
[ 2.517961][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc)
[ 2.533339][ T0] Running RCU synchronous self tests
[ 2.537271][ T0] Running RCU synchronous self tests
[ 2.661739][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.80GHz (family: 0x6, model: 0x55, stepping: 0x7)
[ 2.672985][ T1] Performance Events: unsupported CPU family 6 model 85 no PMU driver, software events only.
[ 2.680810][ T1] signal: max sigframe size: 3632
[ 2.682219][ T1] rcu: Hierarchical SRCU implementation.
[ 2.686378][ T1] rcu: Max phase no-delay instances is 1000.
[ 2.748016][ T1] NMI watchdog: Perf NMI watchdog permanently disabled
[ 2.752130][ T1] smp: Bringing up secondary CPUs ...
[ 2.756357][ T1] smp: Brought up 2 nodes, 1 CPU
[ 2.761427][ T1] smpboot: Total of 1 processors activated (5599.99 BogoMIPS)
[ 2.768269][ T1] Memory: 753936K/1572332K available (171932K kernel code, 29772K rwdata, 40344K rodata, 26136K init, 121584K bss, 772740K reserved, 0K cma-reserved)
[ 2.784710][ T1] devtmpfs: initialized
[ 2.789778][ T1] x86/mm: Memory block size: 128MB
[ 2.828525][ T1] Running RCU synchronous self tests
[ 2.831440][ T1] Running RCU synchronous self tests
[ 2.836261][ T1] Running RCU Tasks wait API self tests
[ 2.951593][ T1] Running RCU Tasks Trace wait API self tests
[ 2.956589][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 2.961733][ T1] posixtimers hash table entries: 512 (order: 4, 36864 bytes, vmalloc)
[ 2.967872][ T1] futex hash table entries: 128 (16384 bytes on 2 NUMA nodes, total 32 KiB, linear).
[ 2.971613][ T24] Callback from call_rcu_tasks_trace() invoked.
[ 2.987433][ T1] PM: RTC time: 11:22:03, date: 2026-01-25
[ 3.003102][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[ 3.015811][ T1] audit: initializing netlink subsys (disabled)
[ 3.021232][ T25] audit: type=2000 audit(1769340123.639:1): state=initialized audit_enabled=0 res=1
[ 3.032341][ T1] thermal_sys: Registered thermal governor 'step_wise'
[ 3.032566][ T1] cpuidle: using governor menu
[ 3.041616][ T1] NET: Registered PF_QIPCRTR protocol family
[ 3.053918][ T1] dca service started, version 1.12.1
[ 3.058395][ T1] PCI: ECAM [mem 0xb0000000-0xbfffffff] (base 0xb0000000) for domain 0000 [bus 00-ff]
[ 3.061424][ T1] PCI: ECAM [mem 0xb0000000-0xbfffffff] reserved as E820 entry
[ 3.189958][ T1] PCI: Using configuration type 1 for base access
[ 3.222368][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages
[ 3.227953][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page
[ 3.241366][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages
[ 3.246889][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page
[ 3.303172][ T23] Callback from call_rcu_tasks() invoked.
[ 3.310043][ T1] raid6: skipped pq benchmark and selected avx512x4
[ 3.311482][ T1] raid6: using avx512x2 recovery algorithm
[ 3.331746][ T1] ACPI: Added _OSI(Module Device)
[ 3.335475][ T1] ACPI: Added _OSI(Processor Device)
[ 3.339252][ T1] ACPI: Added _OSI(Processor Aggregator Device)
[ 3.693625][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded
[ 3.788191][ T1] ACPI: Interpreter enabled
[ 3.811952][ T1] ACPI: PM: (supports S0 S3 S4 S5)
[ 3.815780][ T1] ACPI: Using IOAPIC for interrupt routing
[ 3.821130][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[ 3.831355][ T1] PCI: Using E820 reservations for host bridge windows
[ 3.853143][ T1] ACPI: Enabled 4 GPEs in block 00 to 3F
[ 4.392794][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 4.397978][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3]
[ 4.416660][ T1] acpi PNP0A08:00: _OSC: platform does not support [PCIeHotplug LTR]
[ 4.451706][ T1] acpi PNP0A08:00: _OSC: OS now controls [PME AER PCIeCapability]
[ 4.460485][ T1] PCI host bridge to bus 0000:00
[ 4.471367][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced
[ 4.477537][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window]
[ 4.491412][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window]
[ 4.496915][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[ 4.511435][ T1] pci_bus 0000:00: root bus resource [mem 0x60000000-0xafffffff window]
[ 4.517521][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window]
[ 4.531409][ T1] pci_bus 0000:00: root bus resource [mem 0x5c0000000-0xdbfffffff window]
[ 4.537482][ T1] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 4.551986][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 conventional PCI endpoint
[ 4.578025][ T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 conventional PCI endpoint
[ 4.599786][ T1] pci 0000:00:01.0: BAR 0 [mem 0xfc000000-0xfc7fffff pref]
[ 4.611615][ T1] pci 0000:00:01.0: BAR 2 [mem 0xfca00000-0xfca03fff 64bit pref]
[ 4.617624][ T1] pci 0000:00:01.0: BAR 4 [mem 0xfeaf4000-0xfeaf4fff]
[ 4.632110][ T1] pci 0000:00:01.0: ROM [mem 0xfeae0000-0xfeaeffff pref]
[ 4.639180][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
[ 4.651376][ T1] pci 0000:00:01.0: pci_fixup_video+0x0/0x310 took 19531 usecs
[ 4.677193][ T1] pci 0000:00:02.0: [8086:10d3] type 00 class 0x020000 PCIe Root Complex Integrated Endpoint
[ 4.698358][ T1] pci 0000:00:02.0: BAR 0 [mem 0xfea80000-0xfea9ffff]
[ 4.711478][ T1] pci 0000:00:02.0: BAR 1 [mem 0xfeaa0000-0xfeabffff]
[ 4.716786][ T1] pci 0000:00:02.0: BAR 2 [io 0xc080-0xc09f]
[ 4.731453][ T1] pci 0000:00:02.0: BAR 3 [mem 0xfeaf0000-0xfeaf3fff]
[ 4.736814][ T1] pci 0000:00:02.0: ROM [mem 0xfea00000-0xfea3ffff pref]
[ 4.751805][ T1] pci 0000:00:02.0: enabling Extended Tags
[ 4.777275][ T1] pci 0000:00:03.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint
[ 4.797465][ T1] pci 0000:00:03.0: BAR 0 [io 0xc0a0-0xc0bf]
[ 4.811485][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfeaf5000-0xfeaf5fff]
[ 4.817214][ T1] pci 0000:00:03.0: BAR 4 [mem 0xfca04000-0xfca07fff 64bit pref]
[ 4.840830][ T1] pci 0000:00:04.0: [8086:3420] type 01 class 0x060400 PCIe Root Port
[ 4.855941][ T1] pci 0000:00:04.0: PCI bridge to [bus 01]
[ 4.860924][ T1] pci 0000:00:04.0: bridge window [mem 0xfe800000-0xfe9fffff]
[ 4.873040][ T1] pci 0000:00:04.0: bridge window [mem 0xfc800000-0xfc9fffff 64bit pref]
[ 4.880158][ T1] pci 0000:00:04.0: enabling Extended Tags
[ 4.911764][ T1] pci 0000:00:05.0: [1af4:1009] type 00 class 0x000200 conventional PCI endpoint
[ 4.933960][ T1] pci 0000:00:05.0: BAR 0 [io 0xc0c0-0xc0df]
[ 4.938629][ T1] pci 0000:00:05.0: BAR 1 [mem 0xfeaf6000-0xfeaf6fff]
[ 4.951646][ T1] pci 0000:00:05.0: BAR 4 [mem 0xfca08000-0xfca0bfff 64bit pref]
[ 4.976291][ T1] pci 0000:00:06.0: [8086:100e] type 00 class 0x020000 conventional PCI endpoint
[ 4.995914][ T1] pci 0000:00:06.0: BAR 0 [mem 0xfeac0000-0xfeadffff]
[ 5.001154][ T1] pci 0000:00:06.0: BAR 1 [io 0xc000-0xc03f]
[ 5.011702][ T1] pci 0000:00:06.0: ROM [mem 0xfea40000-0xfea7ffff pref]
[ 5.033851][ T1] pci 0000:00:07.0: [1af4:1110] type 00 class 0x050000 conventional PCI endpoint
[ 5.055590][ T1] pci 0000:00:07.0: BAR 0 [mem 0xfeaf7000-0xfeaf70ff]
[ 5.060835][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfeaf8000-0xfeaf8fff]
[ 5.071537][ T1] pci 0000:00:07.0: BAR 2 [mem 0xfca0c000-0xfca0cfff 64bit pref]
[ 5.100356][ T1] pci 0000:00:08.0: [1af4:1110] type 00 class 0x050000 conventional PCI endpoint
[ 5.118332][ T1] pci 0000:00:08.0: BAR 0 [mem 0xfeaf9000-0xfeaf90ff]
[ 5.131604][ T1] pci 0000:00:08.0: BAR 2 [mem 0xfa000000-0xfbffffff 64bit pref]
[ 5.149747][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 conventional PCI endpoint
[ 5.165298][ T1] pci 0000:00:1d.0: BAR 4 [io 0xc0e0-0xc0ff]
[ 5.185617][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 conventional PCI endpoint
[ 5.205429][ T1] pci 0000:00:1d.1: BAR 4 [io 0xc100-0xc11f]
[ 5.226593][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 conventional PCI endpoint
[ 5.245451][ T1] pci 0000:00:1d.2: BAR 4 [io 0xc120-0xc13f]
[ 5.266936][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 conventional PCI endpoint
[ 5.285019][ T1] pci 0000:00:1d.7: BAR 0 [mem 0xfeafa000-0xfeafafff]
[ 5.306428][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 conventional PCI endpoint
[ 5.324433][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO
[ 5.346574][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 conventional PCI endpoint
[ 5.366357][ T1] pci 0000:00:1f.2: BAR 4 [io 0xc140-0xc15f]
[ 5.370946][ T1] pci 0000:00:1f.2: BAR 5 [mem 0xfeafb000-0xfeafbfff]
[ 5.389248][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 conventional PCI endpoint
[ 5.405192][ T1] pci 0000:00:1f.3: BAR 4 [io 0x0700-0x073f]
[ 5.427467][ T1] pci 0000:00:04.0: PCI bridge to [bus 01]
[ 5.508347][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10
[ 5.526521][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10
[ 5.546315][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11
[ 5.566249][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11
[ 5.586361][ T1] ACPI: PCI: Interrupt link LNKE configured for IRQ 10
[ 5.606277][ T1] ACPI: PCI: Interrupt link LNKF configured for IRQ 10
[ 5.626401][ T1] ACPI: PCI: Interrupt link LNKG configured for IRQ 11
[ 5.646306][ T1] ACPI: PCI: Interrupt link LNKH configured for IRQ 11
[ 5.662692][ T1] ACPI: PCI: Interrupt link GSIA configured for IRQ 16
[ 5.668318][ T1] ACPI: PCI: Interrupt link GSIB configured for IRQ 17
[ 5.682097][ T1] ACPI: PCI: Interrupt link GSIC configured for IRQ 18
[ 5.688089][ T1] ACPI: PCI: Interrupt link GSID configured for IRQ 19
[ 5.702116][ T1] ACPI: PCI: Interrupt link GSIE configured for IRQ 20
[ 5.707658][ T1] ACPI: PCI: Interrupt link GSIF configured for IRQ 21
[ 5.722052][ T1] ACPI: PCI: Interrupt link GSIG configured for IRQ 22
[ 5.727639][ T1] ACPI: PCI: Interrupt link GSIH configured for IRQ 23
[ 5.791541][ T1] iommu: Default domain type: Translated
[ 5.795759][ T1] iommu: DMA domain TLB invalidation policy: lazy mode
[ 5.826547][ T1] SCSI subsystem initialized
[ 5.843342][ T1] ACPI: bus type USB registered
[ 5.847586][ T1] usbcore: registered new interface driver usbfs
[ 5.861814][ T1] usbcore: registered new interface driver hub
[ 5.866741][ T1] usbcore: registered new device driver usb
[ 5.883630][ T1] mc: Linux media interface: v0.10
[ 5.887737][ T1] videodev: Linux video capture interface: v2.00
[ 5.902365][ T1] pps_core: LinuxPPS API ver. 1 registered
[ 5.906523][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti
[ 5.921530][ T1] PTP clock support registered
[ 5.926637][ T1] EDAC MC: Ver: 3.0.0
[ 5.949798][ T1] Advanced Linux Sound Architecture Driver Initialized.
[ 5.968015][ T1] Bluetooth: Core ver 2.22
[ 5.981838][ T1] NET: Registered PF_BLUETOOTH protocol family
[ 5.986335][ T1] Bluetooth: HCI device and connection manager initialized
[ 6.001535][ T1] Bluetooth: HCI socket layer initialized
[ 6.005541][ T1] Bluetooth: L2CAP socket layer initialized
[ 6.009904][ T1] Bluetooth: SCO socket layer initialized
[ 6.022221][ T1] NET: Registered PF_ATMPVC protocol family
[ 6.026635][ T1] NET: Registered PF_ATMSVC protocol family
[ 6.041443][ T1] NetLabel: Initializing
[ 6.044564][ T1] NetLabel: domain hash size = 128
[ 6.048358][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO
[ 6.062025][ T1] NetLabel: unlabeled traffic allowed by default
[ 6.069251][ T1] nfc: nfc_init: NFC Core ver 0.1
[ 6.081948][ T1] NET: Registered PF_NFC protocol family
[ 6.086368][ T1] mctp: management component transport protocol core
[ 6.101386][ T1] NET: Registered PF_MCTP protocol family
[ 6.106232][ T1] PCI: Using ACPI for IRQ routing
[ 7.083851][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device
[ 7.089119][ T1] pci 0000:00:01.0: vgaarb: bridge control possible
[ 7.091333][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
[ 7.101377][ T1] vgaarb: loaded
[ 7.109726][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0
[ 7.121361][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter
[ 7.142157][ T1] clocksource: Switched to clocksource kvm-clock
[ 7.152487][ T1] VFS: Disk quotas dquot_6.6.0
[ 7.156222][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 7.185793][ T1] netfs: FS-Cache loaded
[ 7.190370][ T1] CacheFiles: Loaded
[ 7.203299][ T1] TOMOYO: 2.6.0
[ 7.206910][ T1] Mandatory Access Control activated.
[ 7.225805][ T1] AppArmor: AppArmor Filesystem Enabled
[ 7.230758][ T1] pnp: PnP ACPI init
[ 7.249183][ T1] system 00:05: [mem 0xb0000000-0xbfffffff window] has been reserved
[ 7.313946][ T1] pnp: PnP ACPI: found 6 devices
[ 7.435020][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[ 7.453826][ T1] NET: Registered PF_INET protocol family
[ 7.462822][ T1] IP idents hash table entries: 32768 (order: 6, 262144 bytes, vmalloc)
[ 7.484783][ T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 5, 73728 bytes, vmalloc)
[ 7.492214][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc)
[ 7.522757][ T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, vmalloc)
[ 7.542972][ T1] TCP bind hash table entries: 16384 (order: 10, 2359296 bytes, vmalloc hugepage)
[ 7.550843][ T1] TCP: Hash tables configured (established 16384 bind 16384)
[ 7.573309][ T1] MPTCP token hash table entries: 2048 (order: 6, 180224 bytes, vmalloc)
[ 7.579928][ T1] UDP hash table entries: 1024 (order: 6, 262144 bytes, vmalloc)
[ 7.602873][ T1] UDP-Lite hash table entries: 1024 (order: 6, 262144 bytes, vmalloc)
[ 7.610312][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family
[ 7.635275][ T1] RPC: Registered named UNIX socket transport module.
[ 7.640321][ T1] RPC: Registered udp transport module.
[ 7.652340][ T1] RPC: Registered tcp transport module.
[ 7.656430][ T1] RPC: Registered tcp-with-tls transport module.
[ 7.661132][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 7.685652][ T1] NET: Registered PF_XDP protocol family
[ 7.690974][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x0fff] to [bus 01] add_size 1000
[ 7.712437][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x1fff]: assigned
[ 7.718303][ T1] pci 0000:00:04.0: PCI bridge to [bus 01]
[ 7.732451][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x1fff]
[ 7.740202][ T1] pci 0000:00:04.0: bridge window [mem 0xfe800000-0xfe9fffff]
[ 7.763982][ T1] pci 0000:00:04.0: bridge window [mem 0xfc800000-0xfc9fffff 64bit pref]
[ 7.783580][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window]
[ 7.788808][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window]
[ 7.812462][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]
[ 7.819515][ T1] pci_bus 0000:00: resource 7 [mem 0x60000000-0xafffffff window]
[ 7.832340][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window]
[ 7.838098][ T1] pci_bus 0000:00: resource 9 [mem 0x5c0000000-0xdbfffffff window]
[ 7.862412][ T1] pci_bus 0000:01: resource 0 [io 0x1000-0x1fff]
[ 7.867177][ T1] pci_bus 0000:01: resource 1 [mem 0xfe800000-0xfe9fffff]
[ 7.882351][ T1] pci_bus 0000:01: resource 2 [mem 0xfc800000-0xfc9fffff 64bit pref]
[ 7.949330][ T1] ACPI: \_SB_.GSIA: Enabled at IRQ 16
[ 8.011448][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x1830 took 118125 usecs
[ 8.087508][ T1] ACPI: \_SB_.GSIB: Enabled at IRQ 17
[ 8.149737][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x1830 took 118232 usecs
[ 8.220325][ T1] ACPI: \_SB_.GSIC: Enabled at IRQ 18
[ 8.281214][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x1830 took 106032 usecs
[ 8.351554][ T1] ACPI: \_SB_.GSID: Enabled at IRQ 19
[ 8.420408][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x1830 took 114973 usecs
[ 8.442752][ T1] PCI: CLS 0 bytes, default 64
[ 8.451102][ T1] DMAR: No RMRR found
[ 8.454494][ T1] DMAR: No SATC found
[ 8.457562][ T1] DMAR: dmar0: Using Queued invalidation
[ 8.476016][ T54] kworker/u4:1 (54) used greatest stack depth: 27232 bytes left
[ 8.482621][ T1] pci 0000:00:00.0: Adding to iommu group 0
[ 8.487822][ T1] pci 0000:00:01.0: Adding to iommu group 1
[ 8.502684][ T1] pci 0000:00:02.0: Adding to iommu group 2
[ 8.507362][ T1] pci 0000:00:03.0: Adding to iommu group 3
[ 8.511993][ T1] pci 0000:00:04.0: Adding to iommu group 4
[ 8.532799][ T1] pci 0000:00:05.0: Adding to iommu group 5
[ 8.537585][ T1] pci 0000:00:06.0: Adding to iommu group 6
[ 8.552793][ T1] pci 0000:00:07.0: Adding to iommu group 7
[ 8.557657][ T1] pci 0000:00:08.0: Adding to iommu group 8
[ 8.572862][ T1] pci 0000:00:1d.0: Adding to iommu group 9
[ 8.577787][ T1] pci 0000:00:1d.1: Adding to iommu group 9
[ 8.592653][ T1] pci 0000:00:1d.2: Adding to iommu group 9
[ 8.597441][ T1] pci 0000:00:1d.7: Adding to iommu group 9
[ 8.612649][ T1] pci 0000:00:1f.0: Adding to iommu group 10
[ 8.617280][ T1] pci 0000:00:1f.2: Adding to iommu group 10
[ 8.621907][ T1] pci 0000:00:1f.3: Adding to iommu group 10
[ 8.762338][ T1] DMAR: Intel(R) Virtualization Technology for Directed I/O
[ 8.767766][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
[ 8.782343][ T1] software IO TLB: mapped [mem 0x000000005b400000-0x000000005f400000] (64MB)
[ 8.789068][ T1] ACPI: bus type thunderbolt registered
[ 8.808945][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer
[ 8.832644][ T1] no MSR PMU driver.
[ 8.859051][ T1] kvm_amd: CPU 0 isn't AMD or Hygon
[ 8.885598][ T68] kworker/u4:2 (68) used greatest stack depth: 26952 bytes left
[ 9.611745][ T1] Initialise system trusted keyrings
[ 9.617431][ T74] kworker/u4:3 (74) used greatest stack depth: 26712 bytes left
[ 9.625445][ T1] workingset: timestamp_bits=40 max_order=18 bucket_order=0
[ 9.641836][ T1] DLM installed
[ 9.648970][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 9.660445][ T1] NFS: Registering the id_resolver key type
[ 9.665408][ T1] Key type id_resolver registered
[ 9.669150][ T1] Key type id_legacy registered
[ 9.673869][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 9.679642][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...
[ 9.700793][ T1] Key type cifs.spnego registered
[ 9.704824][ T1] Key type cifs.idmap registered
[ 9.710960][ T1] ntfs3: Enabled Linux POSIX ACLs support
[ 9.715426][ T1] ntfs3: Read-only LZX/Xpress compression included
[ 9.720367][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/
[ 9.724929][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc.
[ 9.733727][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc.
[ 9.738186][ T1] QNX4 filesystem 0.2.3 registered.
[ 9.742087][ T1] qnx6: QNX6 filesystem 1.0.0 registered.
[ 9.747787][ T1] fuse: init (API version 7.45)
[ 9.755910][ T1] orangefs_debugfs_init: called with debug mask: :none: :0:
[ 9.762786][ T1] orangefs_init: module version upstream loaded
[ 9.768173][ T1] JFS: nTxBlock = 6246, nTxLock = 49974
[ 9.780501][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled
[ 9.791224][ T1] 9p: Installing v9fs 9p2000 file system support
[ 9.796662][ T1] NILFS version 2 loaded
[ 9.799802][ T1] befs: version: 0.9.3
[ 9.803847][ T1] ocfs2: Registered cluster interface o2cb
[ 9.810298][ T1] ocfs2: Registered cluster interface user
[ 9.815370][ T1] OCFS2 User DLM kernel interface loaded
[ 9.837321][ T1] gfs2: GFS2 installed
[ 9.854016][ T1] ceph: loaded (mds proto 32)
[ 9.863577][ T1] cryptd: max_cpu_qlen set to 1000
[ 9.890417][ T1] NET: Registered PF_ALG protocol family
[ 9.896574][ T1] xor: automatically using best checksumming function avx
[ 9.902669][ T1] async_tx: api initialized (async)
[ 9.906733][ T1] Key type asymmetric registered
[ 9.911335][ T1] Asymmetric key parser 'x509' registered
[ 9.916006][ T1] Asymmetric key parser 'pkcs8' registered
[ 9.920367][ T1] Key type pkcs7_test registered
[ 9.925771][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239)
[ 9.932840][ T1] io scheduler mq-deadline registered
[ 9.937072][ T1] io scheduler kyber registered
[ 9.941131][ T1] io scheduler bfq registered
[ 9.996936][ T1] ACPI: \_SB_.GSIE: Enabled at IRQ 20
[ 10.013194][ T1] pcieport 0000:00:04.0: PME: Signaling with IRQ 25
[ 10.023215][ T1] pcieport 0000:00:04.0: AER: enabled with IRQ 26
[ 10.037950][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
[ 10.073727][ T1] ACPI: button: Power Button [PWRF]
[ 10.465489][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00
[ 10.509720][ T1] ACPI: \_SB_.GSIF: Enabled at IRQ 21
[ 10.558005][ T1] ACPI: \_SB_.GSIH: Enabled at IRQ 23
[ 10.925311][ T492] kworker/u4:0 (492) used greatest stack depth: 26592 bytes left
[ 11.065072][ T617] kworker/u4:0 (617) used greatest stack depth: 25624 bytes left
[ 11.167780][ T1] N_HDLC line discipline registered with maxframe=4096
[ 11.174008][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 11.187384][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[ 11.251077][ T1] Non-volatile memory driver v1.3
[ 11.267286][ T1] Linux agpgart interface v0.103
[ 11.276359][ T1] usbcore: registered new interface driver xillyusb
[ 11.290281][ T1] ACPI: bus type drm_connector registered
[ 11.304771][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0
[ 11.321359][ T1] [drm] Initialized vkms 1.0.0 for vkms on minor 1
[ 11.460358][ T1] Console: switching to colour frame buffer device 128x48
[ 11.547107][ T1] faux_driver vkms: [drm] fb0: vkmsdrmfb frame buffer device
[ 11.553742][ T1] usbcore: registered new interface driver udl
[ 11.559893][ T1] [drm] pci: virtio-vga detected at 0000:00:01.0
[ 11.565406][ T1] virtio-pci 0000:00:01.0: vgaarb: deactivate vga console
[ 11.572164][ T1] [drm] features: -virgl +edid -resource_blob -host_visible
[ 11.572178][ T1] [drm] features: -context_init
[ 11.586903][ T1] [drm] number of scanouts: 1
[ 11.586946][ T1] [drm] number of cap sets: 0
[ 11.605797][ T1] [drm] Initialized virtio_gpu 0.1.0 for 0000:00:01.0 on minor 2
[ 11.640765][ T1] fbcon: virtio_gpudrmfb (fb1) is primary device
[ 11.640777][ T1] fbcon: Remapping primary device, fb1, to tty 1-63
[ 291.542540][ T26] INFO: task swapper/0:1 blocked for more than 143 seconds.
[ 291.542699][ T26] Not tainted syzkaller #0
[ 291.542707][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 291.542713][ T26] task:swapper/0 state:D stack:20096 pid:1 tgid:1 ppid:0 task_flags:0x0140 flags:0x00080000
[ 291.542747][ T26] Call Trace:
[ 291.542786][ T26]
[ 291.542795][ T26] __schedule+0x14ef/0x4fb0
[ 291.543025][ T26] ? __lock_acquire+0x6b5/0x2cf0
[ 291.543051][ T26] ? do_raw_spin_lock+0x12b/0x2f0
[ 291.543070][ T26] ? __pfx___schedule+0x10/0x10
[ 291.543090][ T26] ? schedule+0x90/0x360
[ 291.543106][ T26] schedule+0x164/0x360
[ 291.543122][ T26] virtio_gpu_queue_fenced_ctrl_buffer+0x760/0x1090
[ 291.543227][ T26] ? drm_client_setup+0x107/0x220
[ 291.543249][ T26] ? __pfx_virtio_gpu_queue_fenced_ctrl_buffer+0x10/0x10
[ 291.543267][ T26] ? __pfx_autoremove_wake_function+0x10/0x10
[ 291.543292][ T26] ? rcu_is_watching+0x15/0xb0
[ 291.543313][ T26] ? __asan_memset+0x22/0x50
[ 291.543335][ T26] virtio_gpu_primary_plane_update+0xcff/0x13a0
[ 291.543357][ T26] ? __pfx___drm_dev_dbg+0x10/0x10
[ 291.543373][ T26] ? __pfx_virtio_gpu_primary_plane_update+0x10/0x10
[ 291.543398][ T26] drm_atomic_helper_commit_planes+0x60f/0xec0
[ 291.543441][ T26] drm_atomic_helper_commit_tail+0x5f/0x500
[ 291.543461][ T26] commit_tail+0x29a/0x3a0
[ 291.543480][ T26] drm_atomic_helper_commit+0xa6e/0xb10
[ 291.543497][ T26] ? __pfx_drm_atomic_helper_commit+0x10/0x10
[ 291.543511][ T26] drm_atomic_commit+0x246/0x2b0
[ 291.543539][ T26] ? __pfx_drm_atomic_commit+0x10/0x10
[ 291.543554][ T26] ? __pfx___drm_printfn_info+0x10/0x10
[ 291.543574][ T26] ? drm_client_rotation+0x444/0x5b0
[ 291.543593][ T26] drm_client_modeset_commit_atomic+0x660/0x7e0
[ 291.543615][ T26] ? __pfx_drm_client_modeset_commit_atomic+0x10/0x10
[ 291.543639][ T26] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 291.543661][ T26] drm_client_modeset_commit_locked+0xcb/0x4d0
[ 291.543681][ T26] drm_fb_helper_pan_display+0x3e7/0xbd0
[ 291.543705][ T26] fb_pan_display+0x39e/0x680
[ 291.543745][ T26] ? __pfx_drm_fb_helper_pan_display+0x10/0x10
[ 291.543770][ T26] bit_update_start+0x4c/0x1e0
[ 291.543783][ T26] fbcon_switch+0x130f/0x1d00
[ 291.543808][ T26] ? __pfx_fbcon_switch+0x10/0x10
[ 291.543833][ T26] ? __pfx_hide_cursor+0x10/0x10
[ 291.543849][ T26] ? is_console_locked+0x9/0x20
[ 291.543862][ T26] ? set_origin+0x346/0x480
[ 291.543874][ T26] redraw_screen+0x586/0xec0
[ 291.543888][ T26] ? fbcon_clear_margins+0x24c/0x3d0
[ 291.543906][ T26] ? fbcon_prepare_logo+0x7b1/0xa10
[ 291.543922][ T26] ? __pfx_redraw_screen+0x10/0x10
[ 291.543936][ T26] ? is_console_locked+0x9/0x20
[ 291.543950][ T26] ? con_is_bound+0x15e/0x1f0
[ 291.543965][ T26] set_con2fb_map+0xabb/0xfc0
[ 291.543985][ T26] fbcon_fb_registered+0x24e/0x610
[ 291.544003][ T26] register_framebuffer+0x738/0x8d0
[ 291.544023][ T26] ? __pfx_register_framebuffer+0x10/0x10
[ 291.544046][ T26] ? __drm_fb_helper_initial_config_and_unlock+0x146a/0x1c60
[ 291.544065][ T26] __drm_fb_helper_initial_config_and_unlock+0x14f1/0x1c60
[ 291.544093][ T26] ? __pfx___drm_fb_helper_initial_config_and_unlock+0x10/0x10
[ 291.544111][ T26] ? __pfx___mutex_lock+0x10/0x10
[ 291.544126][ T26] ? drm_file_alloc+0x56c/0x9c0
[ 291.544148][ T26] drm_fbdev_client_hotplug+0x16c/0x230
[ 291.544164][ T26] drm_client_register+0x172/0x210
[ 291.544182][ T26] drm_fbdev_client_setup+0x1a0/0x3f0
[ 291.544193][ T26] ? drm_client_setup+0xb0/0x220
[ 291.544206][ T26] drm_client_setup+0x107/0x220
[ 291.544220][ T26] virtio_gpu_probe+0x23a/0x2a0
[ 291.544235][ T26] virtio_dev_probe+0xd93/0x1050
[ 291.544248][ T26] ? up_write+0x1ab/0x410
[ 291.544268][ T26] ? __pfx_virtio_dev_probe+0x10/0x10
[ 291.544283][ T26] ? driver_sysfs_add+0x1fe/0x210
[ 291.544299][ T26] ? __pfx_virtio_dev_probe+0x10/0x10
[ 291.544309][ T26] really_probe+0x267/0xaf0
[ 291.544324][ T26] __driver_probe_device+0x18c/0x320
[ 291.544343][ T26] driver_probe_device+0x4f/0x240
[ 291.544362][ T26] __driver_attach+0x349/0x640
[ 291.544381][ T26] bus_for_each_dev+0x23b/0x2c0
[ 291.544396][ T26] ? __pfx___driver_attach+0x10/0x10
[ 291.544412][ T26] ? __pfx_bus_for_each_dev+0x10/0x10
[ 291.544428][ T26] ? do_raw_spin_unlock+0x4d/0x210
[ 291.544446][ T26] bus_add_driver+0x345/0x670
[ 291.544466][ T26] driver_register+0x23a/0x320
[ 291.544477][ T26] ? __pfx_virtio_gpu_driver_init+0x10/0x10
[ 291.544493][ T26] virtio_gpu_driver_init+0x96/0x110
[ 291.544615][ T26] do_one_initcall+0x250/0x840
[ 291.544652][ T26] ? __pfx_virtio_gpu_driver_init+0x10/0x10
[ 291.544667][ T26] ? __pfx_do_one_initcall+0x10/0x10
[ 291.544682][ T26] ? do_raw_spin_lock+0x12b/0x2f0
[ 291.544698][ T26] ? __pfx___schedule+0x10/0x10
[ 291.544720][ T26] ? irqentry_exit+0x59c/0x620
[ 291.544735][ T26] ? lockdep_hardirqs_on+0x7a/0x110
[ 291.544756][ T26] ? irqentry_exit+0x59c/0x620
[ 291.544781][ T26] ? parameq+0x14d/0x170
[ 291.544799][ T26] ? next_arg+0x498/0x5e0
[ 291.544814][ T26] ? parameq+0x14d/0x170
[ 291.544831][ T26] ? parse_args+0x9fc/0xb00
[ 291.544860][ T26] ? rcu_is_watching+0x15/0xb0
[ 291.544877][ T26] do_initcall_level+0x104/0x190
[ 291.544913][ T26] ? kernel_init+0x1d/0x1d0
[ 291.544925][ T26] do_initcalls+0x59/0xa0
[ 291.544940][ T26] kernel_init_freeable+0x2a6/0x3d0
[ 291.544952][ T26] ? __pfx_kernel_init+0x10/0x10
[ 291.544965][ T26] kernel_init+0x1d/0x1d0
[ 291.544975][ T26] ? __pfx_kernel_init+0x10/0x10
[ 291.544986][ T26] ret_from_fork+0x51b/0xa40
[ 291.545022][ T26] ? __pfx_ret_from_fork+0x10/0x10
[ 291.545034][ T26] ? __switch_to+0xc82/0x1410
[ 291.545054][ T26] ? __pfx_kernel_init+0x10/0x10
[ 291.545067][ T26] ret_from_fork_asm+0x1a/0x30
[ 291.545092][ T26]
[ 291.545114][ T26] INFO: task kworker/0:1:10 blocked for more than 143 seconds.
[ 291.545125][ T26] Not tainted syzkaller #0
[ 291.545131][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 291.545137][ T26] task:kworker/0:1 state:D stack:25864 pid:10 tgid:10 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 291.545176][ T26] Workqueue: events virtio_gpu_dequeue_ctrl_func
[ 291.545193][ T26] Call Trace:
[ 291.545197][ T26]
[ 291.545205][ T26] __schedule+0x14ef/0x4fb0
[ 291.545231][ T26] ? do_raw_spin_lock+0x12b/0x2f0
[ 291.545245][ T26] ? wq_worker_sleeping+0xfe/0x250
[ 291.545260][ T26] ? __pfx___schedule+0x10/0x10
[ 291.545277][ T26] ? schedule+0x90/0x360
[ 291.545293][ T26] schedule+0x164/0x360
[ 291.545310][ T26] schedule_preempt_disabled+0x13/0x30
[ 291.545324][ T26] __mutex_lock+0x7fe/0x1300
[ 291.545341][ T26] ? __mutex_lock+0x5ac/0x1300
[ 291.545359][ T26] ? drm_client_dev_hotplug+0xdc/0x4f0
[ 291.545378][ T26] ? __pfx___mutex_lock+0x10/0x10
[ 291.545402][ T26] ? drm_sysfs_hotplug_event+0x10e/0x150
[ 291.545422][ T26] drm_client_dev_hotplug+0xdc/0x4f0
[ 291.545439][ T26] ? __pfx_virtio_gpu_cmd_get_display_info_cb+0x10/0x10
[ 291.545455][ T26] virtio_gpu_dequeue_ctrl_func+0x506/0x8c0
[ 291.545474][ T26] ? __pfx_virtio_gpu_dequeue_ctrl_func+0x10/0x10
[ 291.545493][ T26] ? process_scheduled_works+0xa0f/0x17a0
[ 291.545504][ T26] ? process_scheduled_works+0xa0f/0x17a0
[ 291.545517][ T26] process_scheduled_works+0xaec/0x17a0
[ 291.545567][ T26] ? __pfx_process_scheduled_works+0x10/0x10
[ 291.545579][ T26] ? do_raw_spin_lock+0x12b/0x2f0
[ 291.545597][ T26] ? assign_work+0x3d3/0x440
[ 291.545611][ T26] worker_thread+0x89f/0xd90
[ 291.545631][ T26] ? __kthread_parkme+0x7a/0x1f0
[ 291.545650][ T26] kthread+0x726/0x8b0
[ 291.545679][ T26] ? __pfx_worker_thread+0x10/0x10
[ 291.545691][ T26] ? __pfx_kthread+0x10/0x10
[ 291.545707][ T26] ? _raw_spin_unlock_irq+0x23/0x50
[ 291.545722][ T26] ? __pfx_kthread+0x10/0x10
[ 291.545737][ T26] ret_from_fork+0x51b/0xa40
[ 291.545762][ T26] ? __pfx_ret_from_fork+0x10/0x10
[ 291.545774][ T26] ? __switch_to+0xc82/0x1410
[ 291.545795][ T26] ? __pfx_kthread+0x10/0x10
[ 291.545811][ T26] ret_from_fork_asm+0x1a/0x30
[ 291.545838][ T26]
[ 291.545936][ T26] INFO: task kworker/0:2:55 blocked for more than 143 seconds.
[ 291.545945][ T26] Not tainted syzkaller #0
[ 291.545952][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 291.545958][ T26] task:kworker/0:2 state:D stack:24984 pid:55 tgid:55 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 291.545997][ T26] Workqueue: events drm_fb_helper_damage_work
[ 291.546012][ T26] Call Trace:
[ 291.546017][ T26]
[ 291.546025][ T26] __schedule+0x14ef/0x4fb0
[ 291.546054][ T26] ? do_raw_spin_lock+0x12b/0x2f0
[ 291.546070][ T26] ? wq_worker_sleeping+0xfe/0x250
[ 291.546086][ T26] ? __pfx___schedule+0x10/0x10
[ 291.546106][ T26] ? schedule+0x90/0x360
[ 291.546124][ T26] schedule+0x164/0x360
[ 291.546141][ T26] schedule_preempt_disabled+0x13/0x30
[ 291.546157][ T26] __mutex_lock+0x7fe/0x1300
[ 291.546176][ T26] ? __mutex_lock+0x5ac/0x1300
[ 291.546196][ T26] ? drm_fb_helper_damage_work+0x125/0x750
[ 291.546214][ T26] ? __pfx___mutex_lock+0x10/0x10
[ 291.546238][ T26] ? do_raw_spin_lock+0x12b/0x2f0
[ 291.546253][ T26] ? lock_acquire+0x106/0x330
[ 291.546266][ T26] drm_fb_helper_damage_work+0x125/0x750
[ 291.546285][ T26] ? process_scheduled_works+0xa0f/0x17a0
[ 291.546298][ T26] ? __pfx_drm_fb_helper_damage_work+0x10/0x10
[ 291.546314][ T26] ? process_scheduled_works+0xa0f/0x17a0
[ 291.546325][ T26] ? process_scheduled_works+0xa0f/0x17a0
[ 291.546338][ T26] process_scheduled_works+0xaec/0x17a0
[ 291.546367][ T26] ? __pfx_process_scheduled_works+0x10/0x10
[ 291.546378][ T26] ? do_raw_spin_lock+0x12b/0x2f0
[ 291.546400][ T26] ? assign_work+0x3d3/0x440
[ 291.546416][ T26] worker_thread+0x89f/0xd90
[ 291.546438][ T26] ? __kthread_parkme+0x7a/0x1f0
[ 291.546459][ T26] kthread+0x726/0x8b0
[ 291.546527][ T26] ? __pfx_worker_thread+0x10/0x10
[ 291.546540][ T26] ? __pfx_kthread+0x10/0x10
[ 291.546556][ T26] ? _raw_spin_unlock_irq+0x23/0x50
[ 291.546569][ T26] ? __pfx_kthread+0x10/0x10
[ 291.546584][ T26] ret_from_fork+0x51b/0xa40
[ 291.546601][ T26] ? __pfx_ret_from_fork+0x10/0x10
[ 291.546613][ T26] ? __switch_to+0xc82/0x1410
[ 291.546633][ T26] ? __pfx_kthread+0x10/0x10
[ 291.546650][ T26] ret_from_fork_asm+0x1a/0x30
[ 291.546675][ T26]
[ 291.547009][ T26]
[ 291.547009][ T26] Showing all locks held in the system:
[ 291.547022][ T26] 10 locks held by swapper/0/1:
[ 291.547031][ T26] #0: ffff8880002d1170 (&dev->mutex){....}-{4:4}, at: __driver_attach+0x33e/0x640
[ 291.547109][ T26] #1: ffff88800067c270 (&dev->clientlist_mutex){+.+.}-{4:4}, at: drm_client_register+0x4f/0x210
[ 291.547145][ T26] #2: ffffffff8eb40f08 (registration_lock){+.+.}-{4:4}, at: register_framebuffer+0x8d/0x8d0
[ 291.547183][ T26] #3: ffffffff8e34c760 (console_lock){+.+.}-{0:0}, at: fbcon_fb_registered+0x49/0x610
[ 291.547217][ T26] #4: ffff88803495b280 (&helper->lock){+.+.}-{4:4}, at: drm_fb_helper_pan_display+0xbe/0xbd0
[ 291.547249][ T26] #5: ffff88800067c128 (&dev->master_mutex){+.+.}-{4:4}, at: drm_master_internal_acquire+0x20/0x80
[ 291.547278][ T26] #6: ffff88803495b098 (&client->modeset_mutex){+.+.}-{4:4}, at: drm_client_modeset_commit_locked+0x4c/0x4d0
[ 291.547312][ T26] #7: ffffc90000136b30 (crtc_ww_class_acquire){+.+.}-{0:0}, at: drm_client_modeset_commit_atomic+0x11a/0x7e0
[ 291.547346][ T26] #8: ffffc90000136b58 (crtc_ww_class_mutex){+.+.}-{4:4}, at: drm_client_modeset_commit_atomic+0x11a/0x7e0
[ 291.547381][ T26] #9: ffffffff8ec444f8 (drm_unplug_srcu){.+.+}-{0:0}, at: drm_dev_enter+0x49/0x150
[ 291.547417][ T26] 3 locks held by kworker/0:1/10:
[ 291.547425][ T26] #0: ffff88801a867548 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x9d4/0x17a0
[ 291.547456][ T26] #1: ffffc900001c7bc0 ((work_completion)(&vgvq->dequeue_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa0f/0x17a0
[ 291.547485][ T26] #2: ffff88800067c270 (&dev->clientlist_mutex){+.+.}-{4:4}, at: drm_client_dev_hotplug+0xdc/0x4f0
[ 291.547519][ T26] 2 locks held by kworker/u4:0/12:
[ 291.547526][ T26] #0: ffff88801a879148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x9d4/0x17a0
[ 291.547555][ T26] #1: ffffc900001e7bc0 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa0f/0x17a0
[ 291.547588][ T26] 1 lock held by khungtaskd/26:
[ 291.547595][ T26] #0: ffffffff8e35a360 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 291.547631][ T26] 3 locks held by kworker/0:2/55:
[ 291.547638][ T26] #0: ffff88801a867548 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x9d4/0x17a0
[ 291.547667][ T26] #1: ffffc9000101fbc0 ((work_completion)(&helper->damage_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa0f/0x17a0
[ 291.547697][ T26] #2: ffff88803495b280 (&helper->lock){+.+.}-{4:4}, at: drm_fb_helper_damage_work+0x125/0x750
[ 291.547734][ T26]
[ 291.547738][ T26] =============================================
[ 291.547738][ T26]
[ 291.547746][ T26] Kernel panic - not syncing: hung_task: blocked tasks
[ 291.547769][ T26] CPU: 0 UID: 0 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 291.547796][ T26] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 291.547803][ T26] Call Trace:
[ 291.547829][ T26]
[ 291.547835][ T26] vpanic+0x1e0/0x670
[ 291.547852][ T26] panic+0xc5/0xd0
[ 291.547869][ T26] ? __pfx_panic+0x10/0x10
[ 291.547892][ T26] watchdog+0xfda/0xfe0
[ 291.547940][ T26] ? watchdog+0x209/0xfe0
[ 291.547963][ T26] kthread+0x726/0x8b0
[ 291.547982][ T26] ? __pfx_watchdog+0x10/0x10
[ 291.548000][ T26] ? __pfx_kthread+0x10/0x10
[ 291.548017][ T26] ? _raw_spin_unlock_irq+0x23/0x50
[ 291.548033][ T26] ? __pfx_kthread+0x10/0x10
[ 291.548051][ T26] ret_from_fork+0x51b/0xa40
[ 291.548067][ T26] ? __pfx_ret_from_fork+0x10/0x10
[ 291.548080][ T26] ? __switch_to+0xc82/0x1410
[ 291.548101][ T26] ? __pfx_kthread+0x10/0x10
[ 291.548119][ T26] ret_from_fork_asm+0x1a/0x30
[ 291.548146][ T26]
[ 291.548518][ T26] Kernel Offset: disabled
syzkaller build log:
go env (err=)
AR='ar'
CC='gcc'
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_ENABLED='1'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
CXX='g++'
GCCGO='gccgo'
GO111MODULE='auto'
GOAMD64='v1'
GOARCH='amd64'
GOAUTH='netrc'
GOBIN=''
GOCACHE='/syzkaller/.cache/go-build'
GOCACHEPROG=''
GODEBUG=''
GOENV='/syzkaller/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFIPS140='off'
GOFLAGS=''
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build2849835773=/tmp/go-build -gno-record-gcc-switches'
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMOD='/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod'
GOMODCACHE='/syzkaller/jobs/linux/gopath/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/syzkaller/jobs/linux/gopath'
GOPRIVATE=''
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/usr/local/go'
GOSUMDB='sum.golang.org'
GOTELEMETRY='local'
GOTELEMETRYDIR='/syzkaller/.config/go/telemetry'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.24.4'
GOWORK=''
PKG_CONFIG='pkg-config'
git status (err=)
HEAD detached at 192169592697
nothing to commit, working tree clean
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
go list -f '{{.Stale}}' -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=192169592697970730a7072e4137ac8af72fe5e9 -X github.com/google/syzkaller/prog.gitRevisionDate=20250903-140846" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=192169592697970730a7072e4137ac8af72fe5e9 -X github.com/google/syzkaller/prog.gitRevisionDate=20250903-140846" ./sys/syz-sysgen
make .descriptions
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
bin/syz-sysgen
touch .descriptions
GOOS=linux GOARCH=amd64 go build -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=192169592697970730a7072e4137ac8af72fe5e9 -X github.com/google/syzkaller/prog.gitRevisionDate=20250903-140846" -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
mkdir -p ./bin/linux_amd64
g++ -o ./bin/linux_amd64/syz-executor executor/executor.cc \
-m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -std=c++17 -I. -Iexecutor/_include -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"192169592697970730a7072e4137ac8af72fe5e9\"
/usr/bin/ld: /tmp/ccunjbwI.o: in function `Connection::Connect(char const*, char const*)':
executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x386): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking