WARNING in __ww_mutex_wound 9p: Installing v9fs 9p2000 file system support NILFS version 2 loaded befs: version: 0.9.3 ocfs2: Registered cluster interface o2cb ocfs2: Registered cluster interface user OCFS2 User DLM kernel interface loaded gfs2: GFS2 installed ceph: loaded (mds proto 32) cryptd: max_cpu_qlen set to 1000 NET: Registered PF_ALG protocol family xor: automatically using best checksumming function avx async_tx: api initialized (async) Key type asymmetric registered Asymmetric key parser 'x509' registered Asymmetric key parser 'pkcs8' registered Key type pkcs7_test registered Block layer SCSI generic (bsg) driver version 0.4 loaded (major 238) io scheduler mq-deadline registered io scheduler kyber registered io scheduler bfq registered ACPI: \_SB_.GSIE: Enabled at IRQ 20 pcieport 0000:00:04.0: PME: Signaling with IRQ 25 pcieport 0000:00:04.0: AER: enabled with IRQ 26 input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 ACPI: button: Power Button [PWRF] ioatdma: Intel(R) QuickData Technology Driver 5.00 ACPI: \_SB_.GSIF: Enabled at IRQ 21 ACPI: \_SB_.GSIH: Enabled at IRQ 23 N_HDLC line discipline registered with maxframe=4096 Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled 00:04: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A Non-volatile memory driver v1.3 Linux agpgart interface v0.103 usbcore: registered new interface driver xillyusb ACPI: bus type drm_connector registered [drm] Initialized vgem 1.0.0 for vgem on minor 0 [drm] Initialized vkms 1.0.0 for vkms on minor 1 Console: switching to colour frame buffer device 128x48 faux_driver vkms: [drm] fb0: vkmsdrmfb frame buffer device usbcore: registered new interface driver udl [drm] pci: virtio-vga detected at 0000:00:01.0 virtio-pci 0000:00:01.0: vgaarb: deactivate vga console [drm] features: -virgl +edid -resource_blob -host_visible [drm] features: -context_init [drm] number of scanouts: 1 [drm] number of cap sets: 0 [drm] Initialized virtio_gpu 0.1.0 for 0000:00:01.0 on minor 2 fbcon: virtio_gpudrmfb (fb1) is primary device fbcon: Remapping primary device, fb1, to tty 1-63 ------------[ cut here ]------------ WARNING: CPU: 2 PID: 1 at ./include/linux/sched.h:2185 __clear_task_blocked_on include/linux/sched.h:2185 [inline] WARNING: CPU: 2 PID: 1 at ./include/linux/sched.h:2185 __ww_mutex_wound+0x23b/0x3e0 kernel/locking/ww_mutex.h:346 Modules linked in: CPU: 2 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.16.0-syzkaller-g186f3edfdd41 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__clear_task_blocked_on include/linux/sched.h:2185 [inline] RIP: 0010:__ww_mutex_wound+0x23b/0x3e0 kernel/locking/ww_mutex.h:346 Code: 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c 02 00 0f 85 85 01 00 00 48 8b 81 78 0a 00 00 48 85 c0 74 09 48 39 c3 74 04 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c RSP: 0000:ffffc90000046df8 EFLAGS: 00010006 RAX: ffff88802675a048 RBX: ffff88802675b048 RCX: ffff8880261a4880 RDX: 1ffff11004c34a5f RSI: ffffffff8de2755d RDI: ffffffff8c15fb80 RBP: ffff8880261a52f8 R08: 0000000000000000 R09: ffffed1004ceb609 R10: ffff88802675b04f R11: 0000000000000000 R12: ffffc90003eb7a30 R13: 0000000000000001 R14: 0000000000000007 R15: ffffc90000046ef0 FS: 0000000000000000(0000) GS:ffff8880d68c8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000000e380000 CR4: 0000000000352ef0 Call Trace: __ww_mutex_add_waiter kernel/locking/ww_mutex.h:574 [inline] __mutex_lock_common kernel/locking/mutex.c:638 [inline] __ww_mutex_lock.constprop.0+0x1a69/0x32c0 kernel/locking/mutex.c:767 ww_mutex_lock+0x37/0x160 kernel/locking/mutex.c:885 modeset_lock+0x4a0/0x6e0 drivers/gpu/drm/drm_modeset_lock.c:316 drm_modeset_lock drivers/gpu/drm/drm_modeset_lock.c:398 [inline] drm_modeset_lock+0x59/0x90 drivers/gpu/drm/drm_modeset_lock.c:394 drm_atomic_get_plane_state+0x19d/0x590 drivers/gpu/drm/drm_atomic.c:541 drm_client_modeset_commit_atomic+0x237/0x7e0 drivers/gpu/drm/drm_client_modeset.c:1055 drm_client_modeset_commit_locked+0x14d/0x580 drivers/gpu/drm/drm_client_modeset.c:1206 pan_display_atomic drivers/gpu/drm/drm_fb_helper.c:1388 [inline] drm_fb_helper_pan_display+0x32d/0xa40 drivers/gpu/drm/drm_fb_helper.c:1448 fb_pan_display+0x479/0x7d0 drivers/video/fbdev/core/fbmem.c:193 bit_update_start+0x49/0x1f0 drivers/video/fbdev/core/bitblit.c:380 fbcon_switch+0xbf5/0x14c0 drivers/video/fbdev/core/fbcon.c:2205 redraw_screen+0x2c1/0x760 drivers/tty/vt/vt.c:965 fbcon_prepare_logo+0xa9b/0xc70 drivers/video/fbdev/core/fbcon.c:649 con2fb_init_display drivers/video/fbdev/core/fbcon.c:835 [inline] set_con2fb_map+0xcd2/0x1060 drivers/video/fbdev/core/fbcon.c:901 do_fb_registered drivers/video/fbdev/core/fbcon.c:3011 [inline] fbcon_fb_registered+0x21d/0x6a0 drivers/video/fbdev/core/fbcon.c:3027 do_register_framebuffer+0x512/0x8a0 drivers/video/fbdev/core/fbmem.c:512 register_framebuffer+0x23/0x40 drivers/video/fbdev/core/fbmem.c:578 __drm_fb_helper_initial_config_and_unlock+0xdb7/0x17b0 drivers/gpu/drm/drm_fb_helper.c:1852 drm_fb_helper_initial_config drivers/gpu/drm/drm_fb_helper.c:1917 [inline] drm_fb_helper_initial_config+0x44/0x60 drivers/gpu/drm/drm_fb_helper.c:1909 drm_fbdev_client_hotplug+0x1a6/0x280 drivers/gpu/drm/clients/drm_fbdev_client.c:52 drm_client_register+0x197/0x280 drivers/gpu/drm/drm_client.c:141 drm_fbdev_client_setup+0x1bd/0x480 drivers/gpu/drm/clients/drm_fbdev_client.c:159 drm_client_setup drivers/gpu/drm/clients/drm_client_setup.c:46 [inline] drm_client_setup+0x19f/0x240 drivers/gpu/drm/clients/drm_client_setup.c:35 virtio_gpu_probe+0x29e/0x500 drivers/gpu/drm/virtio/virtgpu_drv.c:110 virtio_dev_probe+0x6a0/0xbe0 drivers/virtio/virtio.c:347 call_driver_probe drivers/base/dd.c:581 [inline] really_probe+0x241/0xa90 drivers/base/dd.c:659 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:801 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:831 __driver_attach+0x283/0x580 drivers/base/dd.c:1217 bus_for_each_dev+0x13e/0x1d0 drivers/base/bus.c:370 bus_add_driver+0x2e9/0x690 drivers/base/bus.c:678 driver_register+0x15c/0x4b0 drivers/base/driver.c:249 virtio_gpu_driver_init+0xa8/0x1b0 drivers/gpu/drm/virtio/virtgpu_drv.c:194 do_one_initcall+0x120/0x6e0 init/main.c:1269 do_initcall_level init/main.c:1331 [inline] do_initcalls init/main.c:1347 [inline] do_basic_setup init/main.c:1366 [inline] kernel_init_freeable+0x5c2/0x900 init/main.c:1579 kernel_init+0x1c/0x2b0 init/main.c:1469 ret_from_fork+0x5d7/0x6f0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 failed to run ["ssh" "-p" "14640" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@localhost" "pwd"]: exit status 255 Connection timed out during banner exchange Connection to 127.0.0.1 port 14640 timed out ftruncate: Invalid argument qemu-system-x86_64: warning: hub 0 is not connected to host network [ 0.000000][ T0] Linux version 6.16.0-syzkaller-g186f3edfdd41 (syzkaller@syzkaller) (gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #0 SMP PREEMPT_DYNAMIC now [ 0.000000][ T0] Command line: root=/dev/sda console=ttyS0 root=/dev/sda1 [ 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 0x0000000000100000-0x000000007ffdcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000007ffdd000-0x000000007fffffff] 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] BIOS-e820: [mem 0x0000000100000000-0x000000017fffffff] usable [ 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] ********************************************************** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** This system shows unhashed kernel memory addresses ** [ 0.000000][ T0] ** via the console, logs, and other interfaces. This ** [ 0.000000][ T0] ** might reduce the security of your system. ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** If you see this message and you are not debugging ** [ 0.000000][ T0] ** the kernel, report this immediately to your system ** [ 0.000000][ T0] ** administrator! ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ********************************************************** [ 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~bpo12+1 04/01/2014 [ 0.000000][ T0] DMI: Memory slots populated: 1/1 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000004][ T0] kvm-clock: using sched offset of 1927117557 cycles [ 0.003706][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.014775][ T0] tsc: Detected 2600.024 MHz processor [ 0.028086][ T0] last_pfn = 0x180000 max_arch_pfn = 0x400000000 [ 0.032289][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.037955][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.043076][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.054327][ T0] found SMP MP-table at [mem 0x000f53c0-0x000f53cf] [ 0.058384][ T0] Using GB pages for direct mapping [ 0.064453][ T0] ACPI: Early table checksum verification disabled [ 0.068467][ T0] ACPI: RSDP 0x00000000000F5190 000014 (v00 BOCHS ) [ 0.072533][ T0] ACPI: RSDT 0x000000007FFE2937 000048 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.078330][ T0] ACPI: FACP 0x000000007FFE1B3E 0000F4 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.084124][ T0] ACPI: DSDT 0x000000007FFDF040 002AFE (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.089898][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.093256][ T0] ACPI: APIC 0x000000007FFE1C32 0000B0 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.099031][ T0] ACPI: HPET 0x000000007FFE1CE2 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.104769][ T0] ACPI: SRAT 0x000000007FFE1D1A 000178 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.110616][ T0] ACPI: MCFG 0x000000007FFE1E92 00003C (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.116375][ T0] ACPI: DMAR 0x000000007FFE1ECE 0000C0 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.122095][ T0] ACPI: SSDT 0x000000007FFE1F8E 0008A1 (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.127850][ T0] ACPI: NFIT 0x000000007FFE282F 0000E0 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.133654][ T0] ACPI: WAET 0x000000007FFE290F 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.139416][ T0] ACPI: Reserving FACP table memory at [mem 0x7ffe1b3e-0x7ffe1c31] [ 0.144228][ T0] ACPI: Reserving DSDT table memory at [mem 0x7ffdf040-0x7ffe1b3d] [ 0.149067][ T0] ACPI: Reserving FACS table memory at [mem 0x7ffdf000-0x7ffdf03f] [ 0.153888][ T0] ACPI: Reserving APIC table memory at [mem 0x7ffe1c32-0x7ffe1ce1] [ 0.158738][ T0] ACPI: Reserving HPET table memory at [mem 0x7ffe1ce2-0x7ffe1d19] [ 0.163590][ T0] ACPI: Reserving SRAT table memory at [mem 0x7ffe1d1a-0x7ffe1e91] [ 0.168414][ T0] ACPI: Reserving MCFG table memory at [mem 0x7ffe1e92-0x7ffe1ecd] [ 0.173405][ T0] ACPI: Reserving DMAR table memory at [mem 0x7ffe1ece-0x7ffe1f8d] [ 0.178223][ T0] ACPI: Reserving SSDT table memory at [mem 0x7ffe1f8e-0x7ffe282e] [ 0.183060][ T0] ACPI: Reserving NFIT table memory at [mem 0x7ffe282f-0x7ffe290e] [ 0.187881][ T0] ACPI: Reserving WAET table memory at [mem 0x7ffe290f-0x7ffe2936] [ 0.193110][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.197322][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x7fffffff] [ 0.201485][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x17fffffff] [ 0.205774][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x180000000-0x183ffffff] non-volatile [ 0.210783][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x180000000-0x57fffffff] hotplug [ 0.215497][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0x7fffffff] -> [mem 0x00001000-0x7fffffff] [ 0.222449][ T0] NUMA: Node 0 [mem 0x00001000-0x7fffffff] + [mem 0x100000000-0x17fffffff] -> [mem 0x00001000-0x17fffffff] [ 0.229466][ T0] Faking node 0 at [mem 0x0000000000001000-0x00000000ffffffff] (4095MB) [ 0.234581][ T0] Faking node 1 at [mem 0x0000000100000000-0x000000017fffffff] (2048MB) [ 0.240109][ T0] NODE_DATA(0) allocated [mem 0x7ffd7400-0x7ffdcfff] [ 0.244191][ T0] NODE_DATA(1) allocated [mem 0x17fff7400-0x17fffcfff] [ 0.263214][ T0] Zone ranges: [ 0.265268][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.269608][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.273965][ T0] Normal [mem 0x0000000100000000-0x000000017fffffff] [ 0.278250][ T0] Device empty [ 0.280494][ T0] Movable zone start for each node [ 0.283598][ T0] Early memory node ranges [ 0.286227][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.290613][ T0] node 0: [mem 0x0000000000100000-0x000000007ffdcfff] [ 0.294972][ T0] node 1: [mem 0x0000000100000000-0x000000017fffffff] [ 0.299361][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000007ffdcfff] [ 0.304219][ T0] Initmem setup node 1 [mem 0x0000000100000000-0x000000017fffffff] [ 0.309068][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.313321][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.369505][ T0] On node 1, zone Normal: 35 pages in unavailable ranges [ 0.524776][ T0] kasan: KernelAddressSanitizer initialized [ 0.533714][ T0] ACPI: PM-Timer IO Port: 0x608 [ 0.536768][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.541166][ T0] IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23 [ 0.545981][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.550468][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.555124][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.559739][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.564466][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.569165][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.573658][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.577403][ T0] TSC deadline timer available [ 0.580319][ T0] CPU topo: Max. logical packages: 2 [ 0.583675][ T0] CPU topo: Max. logical dies: 2 [ 0.586994][ T0] CPU topo: Max. dies per package: 1 [ 0.590338][ T0] CPU topo: Max. threads per core: 2 [ 0.593652][ T0] CPU topo: Num. cores per package: 2 [ 0.597141][ T0] CPU topo: Num. threads per package: 4 [ 0.600622][ T0] CPU topo: Allowing 4 present CPUs plus 4 hotplug CPUs [ 0.604998][ T0] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write() [ 0.609957][ T0] kvm-guest: KVM setup pv remote TLB flush [ 0.613540][ T0] kvm-guest: setup PV sched yield [ 0.616665][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.621888][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.627469][ T0] PM: hibernation: Registered nosave memory: [mem 0x7ffdd000-0xffffffff] [ 0.632941][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 0.637156][ T0] Booting paravirtualized kernel on KVM [ 0.640549][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.700066][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:8 nr_node_ids:2 [ 0.707364][ T0] percpu: Embedded 70 pages/cpu s247368 r8192 d31160 u1048576 [ 0.712342][ T0] kvm-guest: PV spinlocks enabled [ 0.715473][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.720554][ 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 comedi.comedi [ 0.724871][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl nbds_max=32", will be passed to user space. [ 0.790559][ T0] random: crng init done [ 0.793150][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.798982][ T0] software IO TLB: area num 8. [ 0.824088][ T0] Fallback order for Node 0: 0 1 [ 0.824106][ T0] Fallback order for Node 1: 1 0 [ 0.824120][ T0] Built 2 zonelists, mobility grouping on. Total pages: 1048443 [ 0.834231][ T0] Policy zone: Normal [ 0.837043][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.841380][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.845755][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 1.069921][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=8, Nodes=2 [ 1.122116][ T0] allocated 83886080 bytes of page_ext [ 1.125333][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.143726][ T0] Node 0, zone DMA32: page owner found early allocated 10355 pages [ 1.157064][ T0] Node 1, zone Normal: page owner found early allocated 10243 pages [ 1.162907][ T0] Dynamic Preempt: full [ 1.166727][ T0] Running RCU self tests [ 1.169149][ T0] Running RCU synchronous self tests [ 1.172213][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.175958][ T0] rcu: RCU lockdep checking is enabled. [ 1.179160][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.183425][ T0] rcu: RCU debug extended QS entry/exit. [ 1.186665][ T0] All grace periods are expedited (rcu_expedited). [ 1.190417][ T0] Trampoline variant of Tasks RCU enabled. [ 1.193767][ T0] Tracing variant of Tasks RCU enabled. [ 1.196966][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.201938][ T0] Running RCU synchronous self tests [ 1.204943][ T0] RCU Tasks: Setting shift to 3 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=8. [ 1.210426][ T0] RCU Tasks Trace: Setting shift to 3 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=8. [ 1.341353][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 1.346224][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.351090][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88816da00000-0xffff88816dc00000 [ 1.383824][ T0] Console: colour VGA+ 80x25 [ 1.386649][ T0] printk: legacy console [ttyS0] enabled [ 1.386649][ T0] printk: legacy console [ttyS0] enabled [ 1.393172][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.393172][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.400602][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.405632][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.408536][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.411461][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.414494][ T0] ... CLASSHASH_SIZE: 4096 [ 1.417516][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 1.420710][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 1.423885][ T0] ... CHAINHASH_SIZE: 524288 [ 1.426995][ T0] memory used by lock dependency info: 106625 kB [ 1.430735][ T0] memory used for stack traces: 8320 kB [ 1.434014][ T0] per task-struct memory footprint: 1920 bytes [ 1.437781][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.444868][ T0] ACPI: Core revision 20250404 [ 1.448861][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 1.455265][ T0] APIC: Switch to symmetric I/O mode setup [ 1.458643][ T0] DMAR: Host address width 39 [ 1.461365][ T0] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.465378][ T0] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap d2008c22260206 ecap f00f5e [ 1.470528][ T0] DMAR: ATSR flags: 0x1 [ 1.472958][ T0] DMAR-IR: IOAPIC id 0 under DRHD base 0xfed90000 IOMMU 0 [ 1.477323][ T0] DMAR-IR: Queued invalidation will be enabled to support x2apic and Intr-remapping. [ 1.486274][ T0] DMAR-IR: Enabled IRQ remapping in x2apic mode [ 1.490007][ T0] x2apic enabled [ 1.492350][ T0] APIC: Switched APIC routing to: cluster x2apic [ 1.496233][ T0] kvm-guest: APIC: send_IPI_mask() replaced with kvm_send_ipi_mask() [ 1.500924][ T0] kvm-guest: APIC: send_IPI_mask_allbutself() replaced with kvm_send_ipi_mask_allbutself() [ 1.506804][ T0] kvm-guest: setup PV IPIs [ 1.521432][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 1.525770][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x257a52d4118, max_idle_ns: 440795307231 ns [ 1.532383][ T0] Calibrating delay loop (skipped) preset value.. 5200.04 BogoMIPS (lpj=26000240) [ 1.543565][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 1.548666][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 1.552378][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 1.556374][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 1.562548][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.567993][ T0] Spectre V2 : Mitigation: Enhanced / Automatic IBRS [ 1.572377][ T0] ITS: Mitigation: Aligned branch/return thunks [ 1.576004][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.582377][ T0] Spectre V2 : WARNING: Unprivileged eBPF is enabled with eIBRS on, data leaks possible via Spectre v2 BHB attacks! [ 1.589438][ T0] Spectre V2 : Spectre v2 / PBRSB-eIBRS: Retire a single CALL on VMEXIT [ 1.592385][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.597557][ T0] active return thunk: its_return_thunk [ 1.602377][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 1.607443][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 1.612377][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 1.616000][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 1.619620][ T0] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask' [ 1.622377][ T0] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256' [ 1.625993][ T0] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256' [ 1.629780][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 1.632377][ T0] x86/fpu: xstate_offset[5]: 832, xstate_sizes[5]: 64 [ 1.635955][ T0] x86/fpu: xstate_offset[6]: 896, xstate_sizes[6]: 512 [ 1.642377][ T0] x86/fpu: xstate_offset[7]: 1408, xstate_sizes[7]: 1024 [ 1.645929][ T0] x86/fpu: Enabled xstate features 0xe7, context size is 2432 bytes, using 'compacted' format. [ 1.896898][ T0] Freeing SMP alternatives memory: 132K [ 1.899803][ T0] pid_max: default: 32768 minimum: 301 [ 1.902725][ T0] LSM: initializing lsm=lockdown,capability,landlock,yama,safesetid,tomoyo,selinux,bpf,ima,evm [ 1.908368][ T0] landlock: Up and running. [ 1.910692][ T0] Yama: becoming mindful. [ 1.912609][ T0] TOMOYO Linux initialized [ 1.914921][ T0] SELinux: Initializing. [ 1.919368][ T0] LSM support for eBPF active [ 1.924898][ T0] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 1.930926][ T0] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc hugepage) [ 1.932633][ T0] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, vmalloc) [ 1.937073][ T0] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, vmalloc) [ 1.945853][ T0] Running RCU synchronous self tests [ 1.948552][ T0] Running RCU synchronous self tests [ 1.953322][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.60GHz (family: 0x6, model: 0x6a, stepping: 0x6) [ 1.961510][ T1] Performance Events: unsupported CPU family 6 model 106 no PMU driver, software events only. [ 1.962511][ T1] signal: max sigframe size: 3632 [ 1.965478][ T1] rcu: Hierarchical SRCU implementation. [ 1.968390][ T1] rcu: Max phase no-delay instances is 1000. [ 1.972128][ T1] Timer migration: 2 hierarchy levels; 8 children per group; 1 crossnode level [ 1.998374][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.003593][ T1] smp: Bringing up secondary CPUs ... [ 2.008015][ T1] smpboot: x86: Booting SMP configuration: [ 2.011011][ T1] .... node #0, CPUs: #2 [ 2.013718][ T1] #1 #3 [ 2.023626][ T1] smp: Brought up 2 nodes, 4 CPUs [ 2.032429][ T1] smpboot: Total of 4 processors activated (20800.19 BogoMIPS) [ 2.037608][ T1] Memory: 2929840K/4193772K available (173460K kernel code, 41791K rwdata, 40088K rodata, 27600K init, 121252K bss, 1161980K reserved, 0K cma-reserved) [ 2.043753][ T1] devtmpfs: initialized [ 2.047632][ T1] x86/mm: Memory block size: 128MB [ 2.086014][ T1] Running RCU synchronous self tests [ 2.089254][ T1] Running RCU synchronous self tests [ 2.102433][ T1] Running RCU Tasks wait API self tests [ 2.105956][ T1] Running RCU Tasks Trace wait API self tests [ 2.152479][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.162397][ T1] posixtimers hash table entries: 4096 (order: 6, 294912 bytes, vmalloc) [ 2.174660][ T1] futex hash table entries: 1024 (131072 bytes on 2 NUMA nodes, total 256 KiB, linear). [ 2.182739][ T1] PM: RTC time: 07:09:08, date: 2025-08-03 [ 2.198317][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.207623][ T1] audit: initializing netlink subsys (disabled) [ 2.213047][ T40] audit: type=2000 audit(1754204948.635:1): state=initialized audit_enabled=0 res=1 [ 2.213854][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.217627][ T1] cpuidle: using governor menu [ 2.222410][ T39] Callback from call_rcu_tasks_trace() invoked. [ 2.222577][ T1] NET: Registered PF_QIPCRTR protocol family [ 2.233721][ T1] dca service started, version 1.12.1 [ 2.236949][ T1] PCI: ECAM [mem 0xb0000000-0xbfffffff] (base 0xb0000000) for domain 0000 [bus 00-ff] [ 2.241910][ T1] PCI: ECAM [mem 0xb0000000-0xbfffffff] reserved as E820 entry [ 2.303392][ T1] PCI: Using configuration type 1 for base access [ 2.312953][ T1] HugeTLB: allocation took 0ms with hugepage_allocation_threads=1 [ 2.322455][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 2.326366][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 2.330250][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 2.329917][ T38] Callback from call_rcu_tasks() invoked. [ 2.330250][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 2.346413][ T1] raid6: skipped pq benchmark and selected avx512x4 [ 2.349838][ T1] raid6: using avx512x2 recovery algorithm [ 2.353717][ T1] ACPI: Added _OSI(Module Device) [ 2.356332][ T1] ACPI: Added _OSI(Processor Device) [ 2.359084][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 2.447828][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 2.475014][ T1] ACPI: Interpreter enabled [ 2.477615][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 2.480291][ T1] ACPI: Using IOAPIC for interrupt routing [ 2.482846][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 2.488010][ T1] PCI: Using E820 reservations for host bridge windows [ 2.495463][ T1] ACPI: Enabled 4 GPEs in block 00 to 3F [ 2.653537][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 2.657281][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 2.665298][ T1] acpi PNP0A08:00: _OSC: platform does not support [PCIeHotplug LTR] [ 2.674727][ T1] acpi PNP0A08:00: _OSC: OS now controls [PME AER PCIeCapability] [ 2.680410][ T1] PCI host bridge to bus 0000:00 [ 2.682397][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 2.686593][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 2.690552][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 2.692400][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 2.696720][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 2.701019][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 2.702395][ T1] pci_bus 0000:00: root bus resource [mem 0x380000000000-0x38080000bfff window] [ 2.707064][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 2.710720][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 conventional PCI endpoint [ 2.718191][ T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 conventional PCI endpoint [ 2.738057][ T1] pci 0000:00:01.0: BAR 0 [mem 0xfe000000-0xfe7fffff pref] [ 2.742042][ T1] pci 0000:00:01.0: BAR 2 [mem 0x380800000000-0x380800003fff 64bit pref] [ 2.742434][ T1] pci 0000:00:01.0: BAR 4 [mem 0xfeaf4000-0xfeaf4fff] [ 2.746014][ T1] pci 0000:00:01.0: ROM [mem 0xfeae0000-0xfeaeffff pref] [ 2.750541][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 2.762433][ T1] pci 0000:00:02.0: [8086:10d3] type 00 class 0x020000 PCIe Root Complex Integrated Endpoint [ 2.772439][ T1] pci 0000:00:02.0: BAR 0 [mem 0xfea80000-0xfea9ffff] [ 2.776011][ T1] pci 0000:00:02.0: BAR 1 [mem 0xfeaa0000-0xfeabffff] [ 2.780587][ T1] pci 0000:00:02.0: BAR 2 [io 0xc080-0xc09f] [ 2.782436][ T1] pci 0000:00:02.0: BAR 3 [mem 0xfeaf0000-0xfeaf3fff] [ 2.785984][ T1] pci 0000:00:02.0: ROM [mem 0xfea00000-0xfea3ffff pref] [ 2.789846][ T1] pci 0000:00:02.0: enabling Extended Tags [ 2.799024][ T1] pci 0000:00:03.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 2.806023][ T1] pci 0000:00:03.0: BAR 0 [io 0xc0a0-0xc0bf] [ 2.809211][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfeaf5000-0xfeaf5fff] [ 2.812562][ T1] pci 0000:00:03.0: BAR 4 [mem 0x380800004000-0x380800007fff 64bit pref] [ 2.822993][ T1] pci 0000:00:04.0: [8086:3420] type 01 class 0x060400 PCIe Root Port [ 2.830121][ T1] pci 0000:00:04.0: PCI bridge to [bus 01] [ 2.832595][ T1] pci 0000:00:04.0: bridge window [mem 0xfe800000-0xfe9fffff] [ 2.837908][ T1] pci 0000:00:04.0: bridge window [mem 0x380000000000-0x3807ffffffff 64bit pref] [ 2.842828][ T1] pci 0000:00:04.0: enabling Extended Tags [ 2.851643][ T1] pci 0000:00:05.0: [1af4:1009] type 00 class 0x000200 conventional PCI endpoint [ 2.865778][ T1] pci 0000:00:05.0: BAR 0 [io 0xc0c0-0xc0df] [ 2.868931][ T1] pci 0000:00:05.0: BAR 1 [mem 0xfeaf6000-0xfeaf6fff] [ 2.872509][ T1] pci 0000:00:05.0: BAR 4 [mem 0x380800008000-0x38080000bfff 64bit pref] [ 2.882293][ T1] pci 0000:00:06.0: [8086:100e] type 00 class 0x020000 conventional PCI endpoint [ 2.885158][ T1] pci 0000:00:06.0: BAR 0 [mem 0xfeac0000-0xfeadffff] [ 2.888725][ T1] pci 0000:00:06.0: BAR 1 [io 0xc000-0xc03f] [ 2.892470][ T1] pci 0000:00:06.0: ROM [mem 0xfea40000-0xfea7ffff pref] [ 2.899954][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 conventional PCI endpoint [ 2.904807][ T1] pci 0000:00:1d.0: BAR 4 [io 0xc0e0-0xc0ff] [ 2.911011][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 conventional PCI endpoint [ 2.924867][ T1] pci 0000:00:1d.1: BAR 4 [io 0xc100-0xc11f] [ 2.931192][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 conventional PCI endpoint [ 2.934575][ T1] pci 0000:00:1d.2: BAR 4 [io 0xc120-0xc13f] [ 2.940881][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 conventional PCI endpoint [ 2.944623][ T1] pci 0000:00:1d.7: BAR 0 [mem 0xfeaf7000-0xfeaf7fff] [ 2.951422][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 conventional PCI endpoint [ 2.964421][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 2.972663][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 conventional PCI endpoint [ 2.980314][ T1] pci 0000:00:1f.2: BAR 4 [io 0xc140-0xc15f] [ 2.982459][ T1] pci 0000:00:1f.2: BAR 5 [mem 0xfeaf8000-0xfeaf8fff] [ 2.987849][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 conventional PCI endpoint [ 2.995692][ T1] pci 0000:00:1f.3: BAR 4 [io 0x0700-0x073f] [ 3.007109][ T1] pci 0000:00:04.0: PCI bridge to [bus 01] [ 3.025825][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 3.035104][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 3.044210][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 3.053270][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 3.062331][ T1] ACPI: PCI: Interrupt link LNKE configured for IRQ 10 [ 3.077012][ T1] ACPI: PCI: Interrupt link LNKF configured for IRQ 10 [ 3.086080][ T1] ACPI: PCI: Interrupt link LNKG configured for IRQ 11 [ 3.095183][ T1] ACPI: PCI: Interrupt link LNKH configured for IRQ 11 [ 3.100781][ T1] ACPI: PCI: Interrupt link GSIA configured for IRQ 16 [ 3.103151][ T1] ACPI: PCI: Interrupt link GSIB configured for IRQ 17 [ 3.108196][ T1] ACPI: PCI: Interrupt link GSIC configured for IRQ 18 [ 3.113032][ T1] ACPI: PCI: Interrupt link GSID configured for IRQ 19 [ 3.118110][ T1] ACPI: PCI: Interrupt link GSIE configured for IRQ 20 [ 3.123014][ T1] ACPI: PCI: Interrupt link GSIF configured for IRQ 21 [ 3.128085][ T1] ACPI: PCI: Interrupt link GSIG configured for IRQ 22 [ 3.133059][ T1] ACPI: PCI: Interrupt link GSIH configured for IRQ 23 [ 3.182432][ T1] iommu: Default domain type: Translated [ 3.186174][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 3.196582][ T1] SCSI subsystem initialized [ 3.204548][ T1] ACPI: bus type USB registered [ 3.208375][ T1] usbcore: registered new interface driver usbfs [ 3.208375][ T1] usbcore: registered new interface driver hub [ 3.211424][ T1] usbcore: registered new device driver usb [ 3.224394][ T1] mc: Linux media interface: v0.10 [ 3.228097][ T1] videodev: Linux video capture interface: v2.00 [ 3.232991][ T1] pps_core: LinuxPPS API ver. 1 registered [ 3.236821][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 3.242499][ T1] PTP clock support registered [ 3.246348][ T1] EDAC MC: Ver: 3.0.0 [ 3.254520][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 3.262087][ T1] Bluetooth: Core ver 2.22 [ 3.262504][ T1] NET: Registered PF_BLUETOOTH protocol family [ 3.265674][ T1] Bluetooth: HCI device and connection manager initialized [ 3.269349][ T1] Bluetooth: HCI socket layer initialized [ 3.272260][ T1] Bluetooth: L2CAP socket layer initialized [ 3.272441][ T1] Bluetooth: SCO socket layer initialized [ 3.275350][ T1] NET: Registered PF_ATMPVC protocol family [ 3.278298][ T1] NET: Registered PF_ATMSVC protocol family [ 3.281447][ T1] NetLabel: Initializing [ 3.282392][ T1] NetLabel: domain hash size = 128 [ 3.285031][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 3.288595][ T1] NetLabel: unlabeled traffic allowed by default [ 3.302389][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 3.302391][ T1] NET: Registered PF_NFC protocol family [ 3.302391][ T1] mctp: management component transport protocol core [ 3.302453][ T1] NET: Registered PF_MCTP protocol family [ 3.312425][ T1] PCI: Using ACPI for IRQ routing [ 3.666202][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 3.666202][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 3.669805][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 3.672406][ T1] vgaarb: loaded [ 3.678652][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 3.681703][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 3.696122][ T1] clocksource: Switched to clocksource kvm-clock [ 3.702371][ T1] VFS: Disk quotas dquot_6.6.0 [ 3.702371][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 3.708100][ T1] netfs: FS-Cache loaded [ 3.711399][ T1] CacheFiles: Loaded [ 3.714332][ T1] TOMOYO: 2.6.0 [ 3.716185][ T1] Mandatory Access Control activated. [ 3.719360][ T1] pnp: PnP ACPI init [ 3.725842][ T1] system 00:06: [mem 0xb0000000-0xbfffffff window] has been reserved [ 3.741621][ T1] pnp: PnP ACPI: found 7 devices [ 3.779160][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 3.785294][ T1] NET: Registered PF_INET protocol family [ 3.790253][ T1] IP idents hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 3.807313][ T1] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 147456 bytes, vmalloc) [ 3.813568][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 3.818653][ T1] TCP established hash table entries: 32768 (order: 6, 262144 bytes, vmalloc) [ 3.827635][ T1] TCP bind hash table entries: 32768 (order: 10, 4718592 bytes, vmalloc hugepage) [ 3.834323][ T1] TCP: Hash tables configured (established 32768 bind 32768) [ 3.840004][ T1] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, vmalloc) [ 3.846327][ T1] UDP hash table entries: 2048 (order: 7, 524288 bytes, vmalloc) [ 3.852837][ T1] UDP-Lite hash table entries: 2048 (order: 7, 524288 bytes, vmalloc) [ 3.858120][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 3.865122][ T1] RPC: Registered named UNIX socket transport module. [ 3.869892][ T1] RPC: Registered udp transport module. [ 3.873968][ T1] RPC: Registered tcp transport module. [ 3.877863][ T1] RPC: Registered tcp-with-tls transport module. [ 3.882361][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 3.891151][ T1] NET: Registered PF_XDP protocol family [ 3.895202][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x0fff] to [bus 01] add_size 1000 [ 3.899927][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x1fff]: assigned [ 3.904423][ T1] pci 0000:00:04.0: PCI bridge to [bus 01] [ 3.907701][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x1fff] [ 3.913075][ T1] pci 0000:00:04.0: bridge window [mem 0xfe800000-0xfe9fffff] [ 3.917939][ T1] pci 0000:00:04.0: bridge window [mem 0x380000000000-0x3807ffffffff 64bit pref] [ 3.924965][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 3.928616][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 3.932521][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 3.936782][ T1] pci_bus 0000:00: resource 7 [mem 0x80000000-0xafffffff window] [ 3.941203][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 3.946043][ T1] pci_bus 0000:00: resource 9 [mem 0x380000000000-0x38080000bfff window] [ 3.950442][ T1] pci_bus 0000:01: resource 0 [io 0x1000-0x1fff] [ 3.953883][ T1] pci_bus 0000:01: resource 1 [mem 0xfe800000-0xfe9fffff] [ 3.957562][ T1] pci_bus 0000:01: resource 2 [mem 0x380000000000-0x3807ffffffff 64bit pref] [ 3.983894][ T1] ACPI: \_SB_.GSIA: Enabled at IRQ 16 [ 4.006332][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x1500 took 41276 usecs [ 4.028949][ T1] ACPI: \_SB_.GSIB: Enabled at IRQ 17 [ 4.051205][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x1500 took 39023 usecs [ 4.072885][ T1] ACPI: \_SB_.GSIC: Enabled at IRQ 18 [ 4.094702][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x1500 took 38060 usecs [ 4.117468][ T1] ACPI: \_SB_.GSID: Enabled at IRQ 19 [ 4.138863][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x1500 took 38787 usecs [ 4.143729][ T1] PCI: CLS 0 bytes, default 64 [ 4.146654][ T1] DMAR: No RMRR found [ 4.148762][ T1] DMAR: No SATC found [ 4.150856][ T1] DMAR: dmar0: Using Queued invalidation [ 4.155546][ T1] pci 0000:00:00.0: Adding to iommu group 0 [ 4.156485][ T71] kworker/u32:1 (71) used greatest stack depth: 28136 bytes left [ 4.158844][ T1] pci 0000:00:01.0: Adding to iommu group 1 [ 4.165984][ T1] pci 0000:00:02.0: Adding to iommu group 2 [ 4.169247][ T1] pci 0000:00:03.0: Adding to iommu group 3 [ 4.172692][ T1] pci 0000:00:04.0: Adding to iommu group 4 [ 4.175865][ T1] pci 0000:00:05.0: Adding to iommu group 5 [ 4.179116][ T1] pci 0000:00:06.0: Adding to iommu group 6 [ 4.183232][ T1] pci 0000:00:1d.0: Adding to iommu group 7 [ 4.186396][ T1] pci 0000:00:1d.1: Adding to iommu group 7 [ 4.189597][ T1] pci 0000:00:1d.2: Adding to iommu group 7 [ 4.192829][ T1] pci 0000:00:1d.7: Adding to iommu group 7 [ 4.196148][ T1] pci 0000:00:1f.0: Adding to iommu group 8 [ 4.199349][ T1] pci 0000:00:1f.2: Adding to iommu group 8 [ 4.203319][ T1] pci 0000:00:1f.3: Adding to iommu group 8 [ 4.239942][ T1] DMAR: Intel(R) Virtualization Technology for Directed I/O [ 4.244832][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 4.248637][ T1] software IO TLB: mapped [mem 0x0000000066400000-0x000000006a400000] (64MB) [ 4.253485][ T1] ACPI: bus type thunderbolt registered [ 4.260547][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 4.306860][ T1] kvm_amd: CPU 2 isn't AMD or Hygon [ 4.309575][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x257a52d4118, max_idle_ns: 440795307231 ns [ 4.315678][ T1] clocksource: Switched to clocksource tsc [ 4.338247][ T94] kworker/u32:1 (94) used greatest stack depth: 27256 bytes left [ 6.752137][ T1] Initialise system trusted keyrings [ 6.757122][ T1] workingset: timestamp_bits=40 max_order=20 bucket_order=0 [ 6.766869][ T1] DLM installed [ 6.771441][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 6.778943][ T1] NFS: Registering the id_resolver key type [ 6.782973][ T1] Key type id_resolver registered [ 6.785858][ T1] Key type id_legacy registered [ 6.788852][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 6.793674][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 6.806692][ T1] Key type cifs.spnego registered [ 6.810040][ T1] Key type cifs.idmap registered [ 6.814948][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 6.818882][ T1] ntfs3: Read-only LZX/Xpress compression included [ 6.824049][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 6.828097][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 6.836115][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 6.840154][ T1] QNX4 filesystem 0.2.3 registered. [ 6.844044][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 6.848684][ T1] fuse: init (API version 7.44) [ 6.854238][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 6.860359][ T1] orangefs_init: module version upstream loaded [ 6.865435][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 6.896124][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 6.903117][ T1] 9p: Installing v9fs 9p2000 file system support [ 6.906647][ T1] NILFS version 2 loaded [ 6.908854][ T1] befs: version: 0.9.3 [ 6.911267][ T1] ocfs2: Registered cluster interface o2cb [ 6.914769][ T1] ocfs2: Registered cluster interface user [ 6.918171][ T1] OCFS2 User DLM kernel interface loaded [ 6.930468][ T1] gfs2: GFS2 installed [ 6.939481][ T1] ceph: loaded (mds proto 32) [ 6.958492][ T1] cryptd: max_cpu_qlen set to 1000 [ 6.982123][ T1] NET: Registered PF_ALG protocol family [ 6.985254][ T1] xor: automatically using best checksumming function avx [ 6.989533][ T1] async_tx: api initialized (async) [ 6.992512][ T1] Key type asymmetric registered [ 6.995205][ T1] Asymmetric key parser 'x509' registered [ 6.998333][ T1] Asymmetric key parser 'pkcs8' registered [ 7.001401][ T1] Key type pkcs7_test registered [ 7.004377][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 238) [ 7.009873][ T1] io scheduler mq-deadline registered [ 7.012849][ T1] io scheduler kyber registered [ 7.015563][ T1] io scheduler bfq registered [ 7.054149][ T1] ACPI: \_SB_.GSIE: Enabled at IRQ 20 [ 7.063168][ T1] pcieport 0000:00:04.0: PME: Signaling with IRQ 25 [ 7.070216][ T1] pcieport 0000:00:04.0: AER: enabled with IRQ 26 [ 7.078163][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 7.102900][ T1] ACPI: button: Power Button [PWRF] [ 7.350297][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 7.390524][ T1] ACPI: \_SB_.GSIF: Enabled at IRQ 21 [ 7.427704][ T1] ACPI: \_SB_.GSIH: Enabled at IRQ 23 [ 7.486672][ T283] kworker/u32:0 (283) used greatest stack depth: 27080 bytes left [ 7.749140][ T1] N_HDLC line discipline registered with maxframe=4096 [ 7.752844][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.758766][ T1] 00:04: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 7.784691][ T1] Non-volatile memory driver v1.3 [ 7.791965][ T1] Linux agpgart interface v0.103 [ 7.796489][ T1] usbcore: registered new interface driver xillyusb [ 7.802414][ T1] ACPI: bus type drm_connector registered [ 7.808493][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0 [ 7.816566][ T1] [drm] Initialized vkms 1.0.0 for vkms on minor 1 [ 7.894641][ T1] Console: switching to colour frame buffer device 128x48 [ 7.914276][ T1] faux_driver vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 7.918404][ T1] usbcore: registered new interface driver udl [ 7.922547][ T1] [drm] pci: virtio-vga detected at 0000:00:01.0 [ 7.925995][ T1] virtio-pci 0000:00:01.0: vgaarb: deactivate vga console [ 7.930334][ T1] [drm] features: -virgl +edid -resource_blob -host_visible [ 7.930343][ T1] [drm] features: -context_init [ 7.941828][ T1] [drm] number of scanouts: 1 [ 7.944285][ T1] [drm] number of cap sets: 0 [ 7.950871][ T1] [drm] Initialized virtio_gpu 0.1.0 for 0000:00:01.0 on minor 2 [ 7.976845][ T1] fbcon: virtio_gpudrmfb (fb1) is primary device [ 7.976855][ T1] fbcon: Remapping primary device, fb1, to tty 1-63 [ 8.209016][ T1] ------------[ cut here ]------------ [ 8.209065][ T1] WARNING: CPU: 2 PID: 1 at ./include/linux/sched.h:2185 __ww_mutex_wound+0x23b/0x3e0 [ 8.209095][ T1] Modules linked in: [ 8.209114][ T1] CPU: 2 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.16.0-syzkaller-g186f3edfdd41 #0 PREEMPT(full) [ 8.209135][ T1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 8.209147][ T1] RIP: 0010:__ww_mutex_wound+0x23b/0x3e0 [ 8.209163][ T1] Code: 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c 02 00 0f 85 85 01 00 00 48 8b 81 78 0a 00 00 48 85 c0 74 09 48 39 c3 74 04 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c [ 8.209180][ T1] RSP: 0000:ffffc90000046df8 EFLAGS: 00010006 [ 8.209194][ T1] RAX: ffff88802675a048 RBX: ffff88802675b048 RCX: ffff8880261a4880 [ 8.209207][ T1] RDX: 1ffff11004c34a5f RSI: ffffffff8de2755d RDI: ffffffff8c15fb80 [ 8.209218][ T1] RBP: ffff8880261a52f8 R08: 0000000000000000 R09: ffffed1004ceb609 [ 8.209229][ T1] R10: ffff88802675b04f R11: 0000000000000000 R12: ffffc90003eb7a30 [ 8.209241][ T1] R13: 0000000000000001 R14: 0000000000000007 R15: ffffc90000046ef0 [ 8.209251][ T1] FS: 0000000000000000(0000) GS:ffff8880d68c8000(0000) knlGS:0000000000000000 [ 8.209282][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.209296][ T1] CR2: 0000000000000000 CR3: 000000000e380000 CR4: 0000000000352ef0 [ 8.209307][ T1] Call Trace: [ 8.209313][ T1] [ 8.209326][ T1] __ww_mutex_lock.constprop.0+0x1a69/0x32c0 [ 8.209401][ T1] ? __drm_fb_helper_initial_config_and_unlock+0xdb7/0x17b0 [ 8.209442][ T1] ? drm_fb_helper_initial_config+0x44/0x60 [ 8.209461][ T1] ? drm_fbdev_client_hotplug+0x1a6/0x280 [ 8.209486][ T1] ? drm_client_register+0x197/0x280 [ 8.209503][ T1] ? drm_fbdev_client_setup+0x1bd/0x480 [ 8.209529][ T1] ? drm_client_setup+0x19f/0x240 [ 8.209553][ T1] ? vkms_crtc_atomic_check+0xf0/0x880 [ 8.209580][ T1] ? really_probe+0x241/0xa90 [ 8.209605][ T1] ? driver_probe_device+0x4c/0x1b0 [ 8.209631][ T1] ? modeset_lock+0x4a0/0x6e0 [ 8.209648][ T1] ? __pfx___ww_mutex_lock.constprop.0+0x10/0x10 [ 8.209675][ T1] ? look_up_lock_class+0x59/0x150 [ 8.209710][ T1] ? __pfx___might_resched+0x10/0x10 [ 8.209739][ T1] ? ww_mutex_lock+0x37/0x160 [ 8.209761][ T1] ww_mutex_lock+0x37/0x160 [ 8.209786][ T1] modeset_lock+0x4a0/0x6e0 [ 8.209806][ T1] drm_modeset_lock+0x59/0x90 [ 8.209822][ T1] drm_atomic_get_plane_state+0x19d/0x590 [ 8.209845][ T1] drm_client_modeset_commit_atomic+0x237/0x7e0 [ 8.209871][ T1] ? rcu_is_watching+0x12/0xc0 [ 8.209893][ T1] ? trace_contention_end+0xdd/0x130 [ 8.209910][ T1] ? __pfx_drm_client_modeset_commit_atomic+0x10/0x10 [ 8.209932][ T1] ? __mutex_lock+0x1c4/0x10b0 [ 8.209971][ T1] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 8.210006][ T1] drm_client_modeset_commit_locked+0x14d/0x580 [ 8.210032][ T1] drm_fb_helper_pan_display+0x32d/0xa40 [ 8.210061][ T1] fb_pan_display+0x479/0x7d0 [ 8.210085][ T1] ? __pfx_drm_fb_helper_pan_display+0x10/0x10 [ 8.210107][ T1] bit_update_start+0x49/0x1f0 [ 8.210135][ T1] fbcon_switch+0xbf5/0x14c0 [ 8.210167][ T1] ? __pfx_fbcon_switch+0x10/0x10 [ 8.210204][ T1] ? __pfx_bit_cursor+0x10/0x10 [ 8.210229][ T1] ? fbcon_cursor+0x409/0x5f0 [ 8.210251][ T1] ? fb_var_to_videomode+0x4c1/0x690 [ 8.210278][ T1] ? is_console_locked+0x9/0x20 [ 8.210301][ T1] ? con_is_visible+0x65/0x150 [ 8.210325][ T1] redraw_screen+0x2c1/0x760 [ 8.210351][ T1] ? __pfx_redraw_screen+0x10/0x10 [ 8.210383][ T1] fbcon_prepare_logo+0xa9b/0xc70 [ 8.210418][ T1] ? __pfx_drm_fb_helper_set_par+0x10/0x10 [ 8.210437][ T1] set_con2fb_map+0xcd2/0x1060 [ 8.210468][ T1] fbcon_fb_registered+0x21d/0x6a0 [ 8.210497][ T1] do_register_framebuffer+0x512/0x8a0 [ 8.210522][ T1] ? __pfx_do_register_framebuffer+0x10/0x10 [ 8.210552][ T1] ? find_held_lock+0x2b/0x80 [ 8.210584][ T1] register_framebuffer+0x23/0x40 [ 8.210609][ T1] __drm_fb_helper_initial_config_and_unlock+0xdb7/0x17b0 [ 8.210641][ T1] ? __mutex_unlock_slowpath+0x163/0x800 [ 8.210668][ T1] ? __pfx___drm_fb_helper_initial_config_and_unlock+0x10/0x10 [ 8.210704][ T1] drm_fb_helper_initial_config+0x44/0x60 [ 8.210725][ T1] drm_fbdev_client_hotplug+0x1a6/0x280 [ 8.210752][ T1] ? __pfx_drm_fbdev_client_hotplug+0x10/0x10 [ 8.210777][ T1] drm_client_register+0x197/0x280 [ 8.210800][ T1] drm_fbdev_client_setup+0x1bd/0x480 [ 8.210828][ T1] drm_client_setup+0x19f/0x240 [ 8.210854][ T1] virtio_gpu_probe+0x29e/0x500 [ 8.210885][ T1] virtio_dev_probe+0x6a0/0xbe0 [ 8.210911][ T1] ? __pfx_virtio_dev_probe+0x10/0x10 [ 8.210929][ T1] ? kernfs_create_link+0x1bd/0x240 [ 8.210948][ T1] ? kernfs_put+0x35/0x60 [ 8.210972][ T1] ? sysfs_do_create_link_sd+0xbb/0x140 [ 8.210997][ T1] ? sysfs_create_link+0x68/0xc0 [ 8.211020][ T1] ? __pfx_virtio_dev_probe+0x10/0x10 [ 8.211041][ T1] really_probe+0x241/0xa90 [ 8.211070][ T1] __driver_probe_device+0x1de/0x440 [ 8.211095][ T1] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 8.211119][ T1] driver_probe_device+0x4c/0x1b0 [ 8.211147][ T1] __driver_attach+0x283/0x580 [ 8.211174][ T1] ? __pfx___driver_attach+0x10/0x10 [ 8.211200][ T1] bus_for_each_dev+0x13e/0x1d0 [ 8.211223][ T1] ? __pfx_bus_for_each_dev+0x10/0x10 [ 8.211245][ T1] ? bus_add_driver+0x299/0x690 [ 8.211275][ T1] bus_add_driver+0x2e9/0x690 [ 8.211300][ T1] ? __pfx_virtio_gpu_driver_init+0x10/0x10 [ 8.211328][ T1] driver_register+0x15c/0x4b0 [ 8.211343][ T1] ? __register_virtio_driver+0x56/0x100 [ 8.211362][ T1] virtio_gpu_driver_init+0xa8/0x1b0 [ 8.211390][ T1] do_one_initcall+0x120/0x6e0 [ 8.211411][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 8.211438][ T1] ? __kmalloc_noprof+0x242/0x510 [ 8.211465][ T1] kernel_init_freeable+0x5c2/0x900 [ 8.211485][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.211506][ T1] kernel_init+0x1c/0x2b0 [ 8.211522][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.211541][ T1] ret_from_fork+0x5d7/0x6f0 [ 8.211565][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.211583][ T1] ret_from_fork_asm+0x1a/0x30 [ 8.211620][ T1] [ 8.211629][ T1] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 8.211639][ T1] CPU: 2 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.16.0-syzkaller-g186f3edfdd41 #0 PREEMPT(full) [ 8.211659][ T1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 8.211668][ T1] Call Trace: [ 8.211676][ T1] [ 8.211683][ T1] dump_stack_lvl+0x3d/0x1f0 [ 8.211722][ T1] vpanic+0x6a3/0x780 [ 8.211750][ T1] ? __pfx_vpanic+0x10/0x10 [ 8.211784][ T1] ? __ww_mutex_wound+0x23b/0x3e0 [ 8.211801][ T1] panic+0xca/0xd0 [ 8.211825][ T1] ? __pfx_panic+0x10/0x10 [ 8.211859][ T1] ? check_panic_on_warn+0x1f/0xb0 [ 8.211878][ T1] check_panic_on_warn+0xab/0xb0 [ 8.211895][ T1] __warn+0xf6/0x3c0 [ 8.211915][ T1] ? __ww_mutex_wound+0x23b/0x3e0 [ 8.211932][ T1] report_bug+0x3c3/0x580 [ 8.211956][ T1] ? __ww_mutex_wound+0x23b/0x3e0 [ 8.211975][ T1] handle_bug+0x184/0x210 [ 8.211991][ T1] exc_invalid_op+0x17/0x50 [ 8.212009][ T1] asm_exc_invalid_op+0x1a/0x20 [ 8.212027][ T1] RIP: 0010:__ww_mutex_wound+0x23b/0x3e0 [ 8.212042][ T1] Code: 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c 02 00 0f 85 85 01 00 00 48 8b 81 78 0a 00 00 48 85 c0 74 09 48 39 c3 74 04 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c [ 8.212058][ T1] RSP: 0000:ffffc90000046df8 EFLAGS: 00010006 [ 8.212071][ T1] RAX: ffff88802675a048 RBX: ffff88802675b048 RCX: ffff8880261a4880 [ 8.212084][ T1] RDX: 1ffff11004c34a5f RSI: ffffffff8de2755d RDI: ffffffff8c15fb80 [ 8.212094][ T1] RBP: ffff8880261a52f8 R08: 0000000000000000 R09: ffffed1004ceb609 [ 8.212104][ T1] R10: ffff88802675b04f R11: 0000000000000000 R12: ffffc90003eb7a30 [ 8.212117][ T1] R13: 0000000000000001 R14: 0000000000000007 R15: ffffc90000046ef0 [ 8.212142][ T1] ? __ww_mutex_wound+0x2ed/0x3e0 [ 8.212162][ T1] __ww_mutex_lock.constprop.0+0x1a69/0x32c0 [ 8.212188][ T1] ? __drm_fb_helper_initial_config_and_unlock+0xdb7/0x17b0 [ 8.212208][ T1] ? drm_fb_helper_initial_config+0x44/0x60 [ 8.212224][ T1] ? drm_fbdev_client_hotplug+0x1a6/0x280 [ 8.212249][ T1] ? drm_client_register+0x197/0x280 [ 8.212267][ T1] ? drm_fbdev_client_setup+0x1bd/0x480 [ 8.212291][ T1] ? drm_client_setup+0x19f/0x240 [ 8.212313][ T1] ? vkms_crtc_atomic_check+0xf0/0x880 [ 8.212335][ T1] ? really_probe+0x241/0xa90 [ 8.212358][ T1] ? driver_probe_device+0x4c/0x1b0 [ 8.212384][ T1] ? modeset_lock+0x4a0/0x6e0 [ 8.212401][ T1] ? __pfx___ww_mutex_lock.constprop.0+0x10/0x10 [ 8.212427][ T1] ? look_up_lock_class+0x59/0x150 [ 8.212462][ T1] ? __pfx___might_resched+0x10/0x10 [ 8.212488][ T1] ? ww_mutex_lock+0x37/0x160 [ 8.212512][ T1] ww_mutex_lock+0x37/0x160 [ 8.212537][ T1] modeset_lock+0x4a0/0x6e0 [ 8.212562][ T1] drm_modeset_lock+0x59/0x90 [ 8.212578][ T1] drm_atomic_get_plane_state+0x19d/0x590 [ 8.212601][ T1] drm_client_modeset_commit_atomic+0x237/0x7e0 [ 8.212626][ T1] ? rcu_is_watching+0x12/0xc0 [ 8.212647][ T1] ? trace_contention_end+0xdd/0x130 [ 8.212664][ T1] ? __pfx_drm_client_modeset_commit_atomic+0x10/0x10 [ 8.212685][ T1] ? __mutex_lock+0x1c4/0x10b0 [ 8.212726][ T1] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 8.212760][ T1] drm_client_modeset_commit_locked+0x14d/0x580 [ 8.212786][ T1] drm_fb_helper_pan_display+0x32d/0xa40 [ 8.212813][ T1] fb_pan_display+0x479/0x7d0 [ 8.212836][ T1] ? __pfx_drm_fb_helper_pan_display+0x10/0x10 [ 8.212858][ T1] bit_update_start+0x49/0x1f0 [ 8.212885][ T1] fbcon_switch+0xbf5/0x14c0 [ 8.212916][ T1] ? __pfx_fbcon_switch+0x10/0x10 [ 8.212953][ T1] ? __pfx_bit_cursor+0x10/0x10 [ 8.212977][ T1] ? fbcon_cursor+0x409/0x5f0 [ 8.213000][ T1] ? fb_var_to_videomode+0x4c1/0x690 [ 8.213026][ T1] ? is_console_locked+0x9/0x20 [ 8.213048][ T1] ? con_is_visible+0x65/0x150 [ 8.213071][ T1] redraw_screen+0x2c1/0x760 [ 8.213097][ T1] ? __pfx_redraw_screen+0x10/0x10 [ 8.213128][ T1] fbcon_prepare_logo+0xa9b/0xc70 [ 8.213162][ T1] ? __pfx_drm_fb_helper_set_par+0x10/0x10 [ 8.213183][ T1] set_con2fb_map+0xcd2/0x1060 [ 8.213213][ T1] fbcon_fb_registered+0x21d/0x6a0 [ 8.213242][ T1] do_register_framebuffer+0x512/0x8a0 [ 8.213267][ T1] ? __pfx_do_register_framebuffer+0x10/0x10 [ 8.213297][ T1] ? find_held_lock+0x2b/0x80 [ 8.213324][ T1] register_framebuffer+0x23/0x40 [ 8.213348][ T1] __drm_fb_helper_initial_config_and_unlock+0xdb7/0x17b0 [ 8.213396][ T1] ? __mutex_unlock_slowpath+0x163/0x800 [ 8.213423][ T1] ? __pfx___drm_fb_helper_initial_config_and_unlock+0x10/0x10 [ 8.213458][ T1] drm_fb_helper_initial_config+0x44/0x60 [ 8.213479][ T1] drm_fbdev_client_hotplug+0x1a6/0x280 [ 8.213506][ T1] ? __pfx_drm_fbdev_client_hotplug+0x10/0x10 [ 8.213529][ T1] drm_client_register+0x197/0x280 [ 8.213553][ T1] drm_fbdev_client_setup+0x1bd/0x480 [ 8.213585][ T1] drm_client_setup+0x19f/0x240 [ 8.213612][ T1] virtio_gpu_probe+0x29e/0x500 [ 8.213642][ T1] virtio_dev_probe+0x6a0/0xbe0 [ 8.213666][ T1] ? __pfx_virtio_dev_probe+0x10/0x10 [ 8.213684][ T1] ? kernfs_create_link+0x1bd/0x240 [ 8.213702][ T1] ? kernfs_put+0x35/0x60 [ 8.213725][ T1] ? sysfs_do_create_link_sd+0xbb/0x140 [ 8.213750][ T1] ? sysfs_create_link+0x68/0xc0 [ 8.213773][ T1] ? __pfx_virtio_dev_probe+0x10/0x10 [ 8.213792][ T1] really_probe+0x241/0xa90 [ 8.213822][ T1] __driver_probe_device+0x1de/0x440 [ 8.213847][ T1] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 8.213872][ T1] driver_probe_device+0x4c/0x1b0 [ 8.213900][ T1] __driver_attach+0x283/0x580 [ 8.213927][ T1] ? __pfx___driver_attach+0x10/0x10 [ 8.213952][ T1] bus_for_each_dev+0x13e/0x1d0 [ 8.213975][ T1] ? __pfx_bus_for_each_dev+0x10/0x10 [ 8.213996][ T1] ? bus_add_driver+0x299/0x690 [ 8.214026][ T1] bus_add_driver+0x2e9/0x690 [ 8.214051][ T1] ? __pfx_virtio_gpu_driver_init+0x10/0x10 [ 8.214078][ T1] driver_register+0x15c/0x4b0 [ 8.214095][ T1] ? __register_virtio_driver+0x56/0x100 [ 8.214113][ T1] virtio_gpu_driver_init+0xa8/0x1b0 [ 8.214140][ T1] do_one_initcall+0x120/0x6e0 [ 8.214162][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 8.214188][ T1] ? __kmalloc_noprof+0x242/0x510 [ 8.214213][ T1] kernel_init_freeable+0x5c2/0x900 [ 8.214231][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.214253][ T1] kernel_init+0x1c/0x2b0 [ 8.214270][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.214286][ T1] ret_from_fork+0x5d7/0x6f0 [ 8.214303][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.214321][ T1] ret_from_fork_asm+0x1a/0x30 [ 8.214357][ T1] [ 8.215008][ T1] Kernel Offset: disabled syzkaller build log: go env (err=) GO111MODULE='auto' GOARCH='amd64' GOBIN='' GOCACHE='/syzkaller/.cache/go-build' GOENV='/syzkaller/.config/go/env' GOEXE='' GOEXPERIMENT='' GOFLAGS='' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' GOMODCACHE='/syzkaller/jobs/linux/gopath/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/syzkaller/jobs/linux/gopath' GOPRIVATE='' GOPROXY='https://proxy.golang.org,direct' GOROOT='/syzkaller/jobs/linux/gopath/pkg/mod/golang.org/toolchain@v0.0.1-go1.23.7.linux-amd64' GOSUMDB='sum.golang.org' GOTMPDIR='' GOTOOLCHAIN='auto' GOTOOLDIR='/syzkaller/jobs/linux/gopath/pkg/mod/golang.org/toolchain@v0.0.1-go1.23.7.linux-amd64/pkg/tool/linux_amd64' GOVCS='' GOVERSION='go1.23.7' GODEBUG='' GOTELEMETRY='local' GOTELEMETRYDIR='/syzkaller/.config/go/telemetry' GCCGO='gccgo' GOAMD64='v1' AR='ar' CC='gcc' CXX='g++' CGO_ENABLED='1' GOMOD='/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod' GOWORK='' CGO_CFLAGS='-O2 -g' CGO_CPPFLAGS='' CGO_CXXFLAGS='-O2 -g' CGO_FFLAGS='-O2 -g' CGO_LDFLAGS='-O2 -g' PKG_CONFIG='pkg-config' GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build3846802460=/tmp/go-build -gno-record-gcc-switches' git status (err=) HEAD detached at 4f67c4aece 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}}' ./sys/syz-sysgen | grep -q false || go install ./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=4f67c4aece4f5794be20c6bc99c177e44b1320e8 -X github.com/google/syzkaller/prog.gitRevisionDate=20250704-175521" -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=\"4f67c4aece4f5794be20c6bc99c177e44b1320e8\" /usr/bin/ld: /tmp/ccuxZywX.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x104): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking