failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.0.181" "pwd"]: exit status 255 ssh: connect to host 10.128.0.181 port 22: Connection timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[ssh-serialport.googleapis.com]:9600,[216.239.38.127]:9600' (RSA) to the list of known hosts. serialport: Connected to syzkaller.us-central1-c.ci-upstream-linux-next-kasan-gce-root-test-1 port 1 (session ID: 9a0474608481402769ec8cac9658a88dc3bafd04cbecae2362c739a6da05566b, active connections: 1). SeaBIOS (version 1.8.2-google) Total RAM Size = 0x0000000200000000 = 8192 MiB CPUs found: 2 Max CPUs supported: 2 SeaBIOS (version 1.8.2-google) Machine UUID 086f95b8-7ada-47d5-ae28-d84de4582e6d found virtio-scsi at 0:3 virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0 virtio-scsi blksize=512 sectors=4194304 = 2048 MiB drive 0x000f2450: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Sending Seabios boot VM event. Booting from Hard Disk 0... [ 0.000000][ T0] Linux version 6.1.0-rc6-next-20221123-syzkaller (syzkaller@syzkaller) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #0 SMP PREEMPT_DYNAMIC now [ 0.000000][ T0] Command line: BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000][ T0] signal: max sigframe size: 1776 [ 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 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000023fffffff] usable [ 0.000000][ T0] printk: 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] SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000010][ T0] kvm-clock: using sched offset of 3855841092 cycles [ 0.001198][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.005323][ T0] tsc: Detected 2200.148 MHz processor [ 0.011119][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.012658][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.013887][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.021274][ T0] found SMP MP-table at [mem 0x000f2710-0x000f271f] [ 0.022971][ T0] Using GB pages for direct mapping [ 0.026519][ T0] ACPI: Early table checksum verification disabled [ 0.028036][ T0] ACPI: RSDP 0x00000000000F2490 000014 (v00 Google) [ 0.029918][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.034373][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.037668][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.039987][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.041343][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.042540][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.044791][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.046541][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.048089][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.050237][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.051842][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.053154][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.054705][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.055992][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.057179][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.058223][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.059237][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.060780][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.061517][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.062215][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.063118][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.064021][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.065255][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.067677][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.070386][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.072447][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.074991][ T0] NODE_DATA(0) allocated [mem 0x13fffa000-0x13fffffff] [ 0.077338][ T0] NODE_DATA(1) allocated [mem 0x23fff7000-0x23fffcfff] [ 0.143150][ T0] Zone ranges: [ 0.144185][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.146866][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.148620][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.150254][ T0] Device empty [ 0.151184][ T0] Movable zone start for each node [ 0.152513][ T0] Early memory node ranges [ 0.153654][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.155574][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.156877][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.158157][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.159291][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.160478][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.161563][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.161729][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.202457][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.560382][ T0] kasan: KernelAddressSanitizer initialized [ 0.565526][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.566469][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.568071][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.569853][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.571536][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.572800][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.573951][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.575404][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.576404][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.577537][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.578969][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.580293][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.581905][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.583658][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.585057][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.586367][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.587889][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.589429][ T0] Booting paravirtualized kernel on KVM [ 0.590284][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.660048][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.662458][ T0] percpu: Embedded 70 pages/cpu s249608 r8192 d28920 u1048576 [ 0.664475][ T0] kvm-guest: PV spinlocks enabled [ 0.665748][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.667292][ T0] Fallback order for Node 0: 0 1 [ 0.668103][ T0] Fallback order for Node 1: 1 0 [ 0.668933][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2064125 [ 0.670364][ T0] Policy zone: Normal [ 0.671065][ 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 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=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 smp.csd_lock_timeout=100000 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 dummy_hcd.num=8 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.691777][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.695927][ T0] random: crng init done [ 0.697777][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.702314][ T0] stackdepot hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 0.704478][ T0] software IO TLB: area num 2. [ 1.718538][ T0] Memory: 6816864K/8388204K available (151552K kernel code, 36221K rwdata, 31432K rodata, 2904K init, 33552K bss, 1571084K reserved, 0K cma-reserved) [ 1.723984][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.728427][ T0] Dynamic Preempt: full [ 1.731204][ T0] Running RCU self tests [ 1.732089][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.733624][ T0] rcu: RCU lockdep checking is enabled. [ 1.734861][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.736352][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.737634][ T0] rcu: RCU debug extended QS entry/exit. [ 1.738948][ T0] All grace periods are expedited (rcu_expedited). [ 1.740680][ T0] Trampoline variant of Tasks RCU enabled. [ 1.742039][ T0] Tracing variant of Tasks RCU enabled. [ 1.743217][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.745848][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.789441][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.791798][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.793596][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823bc00000-0xffff88823be00000 [ 1.796997][ T0] Console: colour VGA+ 80x25 [ 1.798244][ T0] printk: console [ttyS0] enabled [ 1.798244][ T0] printk: console [ttyS0] enabled [ 1.800217][ T0] printk: bootconsole [earlyser0] disabled [ 1.800217][ T0] printk: bootconsole [earlyser0] disabled [ 1.802725][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.804195][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.805238][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.806218][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.807244][ T0] ... CLASSHASH_SIZE: 4096 [ 1.807962][ T0] ... MAX_LOCKDEP_ENTRIES: 131072 [ 1.808897][ T0] ... MAX_LOCKDEP_CHAINS: 262144 [ 1.809862][ T0] ... CHAINHASH_SIZE: 131072 [ 1.810711][ T0] memory used by lock dependency info: 20657 kB [ 1.812429][ T0] memory used for stack traces: 8320 kB [ 1.813688][ T0] per task-struct memory footprint: 1920 bytes [ 1.814981][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.819219][ T0] ACPI: Core revision 20221020 [ 1.821286][ T0] APIC: Switch to symmetric I/O mode setup [ 1.823001][ T0] x2apic enabled [ 1.827543][ T0] Switched APIC routing to physical x2apic. [ 1.836274][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.838650][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6beb5c3c, max_idle_ns: 440795241915 ns [ 1.841200][ T0] Calibrating delay loop (skipped) preset value.. 4400.29 BogoMIPS (lpj=22001480) [ 1.851229][ T0] pid_max: default: 32768 minimum: 301 [ 1.852351][ T0] LSM: initializing lsm=lockdown,capability,landlock,yama,safesetid,integrity,tomoyo,apparmor,bpf [ 1.855520][ T0] landlock: Up and running. [ 1.856868][ T0] Yama: becoming mindful. [ 1.858013][ T0] TOMOYO Linux initialized [ 1.859316][ T0] AppArmor: AppArmor initialized [ 1.861287][ T0] LSM support for eBPF active [ 1.867831][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 1.872591][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 1.875447][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.877335][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.883418][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.884954][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 1.886213][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.887867][ T0] Spectre V2 : Mitigation: IBRS [ 1.888934][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.890776][ T0] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 1.891205][ T0] RETBleed: Mitigation: IBRS [ 1.892171][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.893850][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.895830][ T0] MDS: Mitigation: Clear CPU buffers [ 1.896962][ T0] TAA: Mitigation: Clear CPU buffers [ 1.897746][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.916741][ T0] Freeing SMP alternatives memory: 116K [ 2.039306][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 2.041179][ T1] cblist_init_generic: Setting adjustable number of callback queues. [ 2.041179][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 2.041179][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 2.041468][ T1] Running RCU-tasks wait API self tests [ 2.151504][ T1] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only. [ 2.154621][ T1] rcu: Hierarchical SRCU implementation. [ 2.155955][ T1] rcu: Max phase no-delay instances is 1000. [ 2.161779][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.164673][ T1] smp: Bringing up secondary CPUs ... [ 2.167718][ T1] x86: Booting SMP configuration: [ 2.168758][ T1] .... node #0, CPUs: #1 [ 2.171401][ T1] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 2.174770][ T1] TAA CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/tsx_async_abort.html for more details. [ 2.177588][ T1] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details. [ 2.181450][ T1] smp: Brought up 2 nodes, 2 CPUs [ 2.182647][ T1] smpboot: Max logical packages: 1 [ 2.184000][ T1] smpboot: Total of 2 processors activated (8800.59 BogoMIPS) [ 2.191285][ T13] Callback from call_rcu_tasks_trace() invoked. [ 2.226392][ T1] allocated 134217728 bytes of page_ext [ 2.227705][ T1] Node 0, zone DMA: page owner found early allocated 0 pages [ 2.249083][ T1] Node 0, zone DMA32: page owner found early allocated 19883 pages [ 2.264575][ T1] Node 0, zone Normal: page owner found early allocated 467 pages [ 2.280563][ T1] Node 1, zone Normal: page owner found early allocated 18804 pages [ 2.293018][ T1] devtmpfs: initialized [ 2.294463][ T1] x86/mm: Memory block size: 128MB [ 2.336566][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.338439][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 2.341200][ T1] PM: RTC time: 18:35:59, date: 2022-11-23 [ 2.351203][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.356507][ T1] audit: initializing netlink subsys (disabled) [ 2.363860][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.363860][ T1] thermal_sys: Registered thermal governor 'user_space' [ 2.371511][ T27] audit: type=2000 audit(1669228559.876:1): state=initialized audit_enabled=0 res=1 [ 2.375300][ T12] Callback from call_rcu_tasks() invoked. [ 2.376354][ T1] cpuidle: using governor menu [ 2.376354][ T1] NET: Registered PF_QIPCRTR protocol family [ 2.376354][ T1] PCI: Using configuration type 1 for base access [ 2.391276][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 2.395084][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 2.396900][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 2.398600][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 2.400356][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 2.418502][ T1] cryptd: max_cpu_qlen set to 1000 [ 2.425621][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 2.427313][ T1] raid6: using avx2x2 recovery algorithm [ 2.430610][ T1] ACPI: Added _OSI(Module Device) [ 2.431310][ T1] ACPI: Added _OSI(Processor Device) [ 2.433054][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 2.434125][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 2.537706][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 2.576371][ T1] ACPI: Interpreter enabled [ 2.578003][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 2.579116][ T1] ACPI: Using IOAPIC for interrupt routing [ 2.580347][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 2.581196][ T1] PCI: Using E820 reservations for host bridge windows [ 2.586461][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 2.730196][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 2.731284][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 2.733050][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 2.736444][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 2.753715][ T1] PCI host bridge to bus 0000:00 [ 2.755140][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 2.756914][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 2.758512][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 2.760168][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 2.761208][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 2.763286][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 2.765355][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 2.773367][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 2.801375][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 2.825123][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 2.832071][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 2.843249][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 2.853650][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f] [ 2.877254][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 2.889813][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 2.897180][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f] [ 2.923821][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 [ 2.941293][ T1] pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff] [ 2.984654][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 2.991348][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 [ 3.002994][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f] [ 3.014872][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfe802000-0xfe80207f] [ 3.044861][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 [ 3.057871][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc0a0-0xc0bf] [ 3.065819][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfe803000-0xfe80303f] [ 3.112804][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 3.120554][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 3.127710][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 3.136661][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 3.142418][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 3.157900][ T1] iommu: Default domain type: Translated [ 3.159603][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 3.166304][ T1] SCSI subsystem initialized [ 3.170425][ T1] ACPI: bus type USB registered [ 3.171695][ T1] usbcore: registered new interface driver usbfs [ 3.173544][ T1] usbcore: registered new interface driver hub [ 3.175300][ T1] usbcore: registered new device driver usb [ 3.178385][ T1] mc: Linux media interface: v0.10 [ 3.179676][ T1] videodev: Linux video capture interface: v2.00 [ 3.181938][ T1] pps_core: LinuxPPS API ver. 1 registered [ 3.183935][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 3.186240][ T1] PTP clock support registered [ 3.188321][ T1] EDAC MC: Ver: 3.0.0 [ 3.194050][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 3.200578][ T1] Bluetooth: Core ver 2.22 [ 3.201856][ T1] NET: Registered PF_BLUETOOTH protocol family [ 3.203230][ T1] Bluetooth: HCI device and connection manager initialized [ 3.205532][ T1] Bluetooth: HCI socket layer initialized [ 3.207578][ T1] Bluetooth: L2CAP socket layer initialized [ 3.209053][ T1] Bluetooth: SCO socket layer initialized [ 3.211303][ T1] NET: Registered PF_ATMPVC protocol family [ 3.212995][ T1] NET: Registered PF_ATMSVC protocol family [ 3.214814][ T1] NetLabel: Initializing [ 3.216318][ T1] NetLabel: domain hash size = 128 [ 3.217526][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 3.220101][ T1] NetLabel: unlabeled traffic allowed by default [ 3.223307][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 3.225334][ T1] NET: Registered PF_NFC protocol family [ 3.227509][ T1] PCI: Using ACPI for IRQ routing [ 3.229960][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 3.231179][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 3.231179][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 3.231204][ T1] vgaarb: loaded [ 3.247003][ T1] clocksource: Switched to clocksource kvm-clock [ 3.251177][ T1] VFS: Disk quotas dquot_6.6.0 [ 3.251177][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 3.252754][ T1] FS-Cache: Loaded [ 3.255433][ T1] CacheFiles: Loaded [ 3.257378][ T1] TOMOYO: 2.6.0 [ 3.258202][ T1] Mandatory Access Control activated. [ 3.263328][ T1] AppArmor: AppArmor Filesystem Enabled [ 3.266140][ T1] pnp: PnP ACPI init [ 3.287854][ T1] pnp: PnP ACPI: found 7 devices [ 3.339528][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 3.343562][ T1] NET: Registered PF_INET protocol family [ 3.348607][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 3.363272][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes, vmalloc) [ 3.367911][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 3.372784][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 3.385574][ T1] TCP bind hash table entries: 65536 (order: 11, 9437184 bytes, vmalloc hugepage) [ 3.398645][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 3.404393][ T1] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, vmalloc) [ 3.410204][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 3.415260][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 3.419396][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 3.424542][ T1] RPC: Registered named UNIX socket transport module. [ 3.426202][ T1] RPC: Registered udp transport module. [ 3.427424][ T1] RPC: Registered tcp transport module. [ 3.428533][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 3.434915][ T1] NET: Registered PF_XDP protocol family [ 3.436323][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 3.437912][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 3.439758][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 3.442243][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 3.444786][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 3.446176][ T1] PCI: CLS 0 bytes, default 64 [ 3.451395][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 3.453414][ T1] software IO TLB: mapped [mem 0x00000000b5800000-0x00000000b9800000] (64MB) [ 3.455123][ T1] ACPI: bus type thunderbolt registered [ 3.463285][ T56] kworker/u4:1 (56) used greatest stack depth: 27944 bytes left [ 3.469162][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 3.491143][ T1] kvm: already loaded vendor module 'kvm_intel' [ 3.492541][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb6beb5c3c, max_idle_ns: 440795241915 ns [ 3.495170][ T1] clocksource: Switched to clocksource tsc [ 3.507673][ T65] kworker/u4:4 (65) used greatest stack depth: 27448 bytes left [ 7.004618][ T1] Initialise system trusted keyrings [ 7.007970][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 7.009834][ T1] zbud: loaded [ 7.015047][ T1] DLM installed [ 7.017753][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 7.022649][ T1] NFS: Registering the id_resolver key type [ 7.024190][ T1] Key type id_resolver registered [ 7.024925][ T1] Key type id_legacy registered [ 7.025769][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 7.027180][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 7.033650][ T1] Key type cifs.spnego registered [ 7.034783][ T1] Key type cifs.idmap registered [ 7.035817][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 7.037002][ T1] ntfs3: Max link count 4000 [ 7.037693][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 7.038649][ T1] ntfs3: Read-only LZX/Xpress compression included [ 7.039863][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 7.040792][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 7.043462][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 7.044346][ T1] QNX4 filesystem 0.2.3 registered. [ 7.045156][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 7.046955][ T1] fuse: init (API version 7.38) [ 7.049410][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 7.051543][ T1] orangefs_init: module version upstream loaded [ 7.053005][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 7.071789][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 7.075540][ T1] 9p: Installing v9fs 9p2000 file system support [ 7.076881][ T1] NILFS version 2 loaded [ 7.077557][ T1] befs: version: 0.9.3 [ 7.078455][ T1] ocfs2: Registered cluster interface o2cb [ 7.079627][ T1] ocfs2: Registered cluster interface user [ 7.080931][ T1] OCFS2 User DLM kernel interface loaded [ 7.089853][ T1] gfs2: GFS2 installed [ 7.096714][ T1] ceph: loaded (mds proto 32) [ 7.108005][ T1] NET: Registered PF_ALG protocol family [ 7.109053][ T1] xor: automatically using best checksumming function avx [ 7.110300][ T1] async_tx: api initialized (async) [ 7.111453][ T1] Key type asymmetric registered [ 7.112845][ T1] Asymmetric key parser 'x509' registered [ 7.113881][ T1] Asymmetric key parser 'pkcs8' registered [ 7.114891][ T1] Key type pkcs7_test registered [ 7.119315][ T1] alg: self-tests for CTR-KDF (hmac(sha256)) passed [ 7.120692][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 240) [ 7.122942][ T1] io scheduler mq-deadline registered [ 7.123818][ T1] io scheduler kyber registered [ 7.124764][ T1] io scheduler bfq registered [ 7.137809][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 7.162272][ T1] ACPI: button: Power Button [PWRF] [ 7.164728][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 7.167298][ T1] ACPI: button: Sleep Button [SLPF] [ 7.190057][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 7.191101][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 7.212059][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 7.213441][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 7.234415][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 7.235530][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 7.250550][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 7.285643][ T219] kworker/u4:2 (219) used greatest stack depth: 26552 bytes left [ 7.697771][ T1] N_HDLC line discipline registered with maxframe=4096 [ 7.699321][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.700941][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 7.708324][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 7.714643][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 7.720964][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 7.732104][ T1] Non-volatile memory driver v1.3 [ 7.755550][ T1] Linux agpgart interface v0.103 [ 7.759437][ T1] ACPI: bus type drm_connector registered [ 7.767235][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 7.774864][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 7.800033][ T1] ------------[ cut here ]------------ [ 7.800045][ T1] WARNING: CPU: 0 PID: 1 at drivers/video/fbdev/core/fb_defio.c:340 fb_deferred_io_schedule_flush+0x9f/0xf0 [ 7.800128][ T1] Modules linked in: [ 7.800138][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.1.0-rc6-next-20221123-syzkaller #0 [ 7.800153][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 7.800162][ T1] RIP: 0010:fb_deferred_io_schedule_flush+0x9f/0xf0 [ 7.800180][ T1] Code: c1 e8 03 80 3c 30 00 75 38 48 8b 35 43 81 27 0a bf 08 00 00 00 e8 c1 05 06 fd 48 83 c4 10 5b 5d e9 66 76 34 fd e8 61 76 34 fd <0f> 0b 48 83 c4 10 5b 5d e9 54 76 34 fd e8 6f 97 82 fd e9 7a ff ff [ 7.800193][ T1] RSP: 0000:ffffc900000672d8 EFLAGS: 00010293 [ 7.800206][ T1] RAX: 0000000000000000 RBX: ffff888146846000 RCX: 0000000000000000 [ 7.800216][ T1] RDX: ffff88813ff58000 RSI: ffffffff844c552f RDI: ffff888146846418 [ 7.800225][ T1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff9133aa47 [ 7.800234][ T1] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 7.800243][ T1] R13: 0000000000000008 R14: ffff88801e03b140 R15: 00000000000000d0 [ 7.800252][ T1] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 7.800269][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.800279][ T1] CR2: ffff88823ffff000 CR3: 000000000c48e000 CR4: 00000000003506f0 [ 7.800288][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7.800297][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7.800306][ T1] Call Trace: [ 7.800311][ T1] [ 7.800318][ T1] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 7.800342][ T1] drm_fb_helper_sys_imageblit+0x2c9/0x380 [ 7.800363][ T1] drm_fbdev_fb_imageblit+0x17d/0x260 [ 7.800379][ T1] soft_cursor+0x514/0xa30 [ 7.800404][ T1] bit_cursor+0xf13/0x17a0 [ 7.800426][ T1] ? bit_putcs+0xd20/0xd20 [ 7.800446][ T1] ? mark_lock.part.0+0x18d1/0x1910 [ 7.800470][ T1] ? fb_get_color_depth+0x11e/0x240 [ 7.800483][ T1] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 7.800505][ T1] ? get_color+0x22a/0x450 [ 7.800522][ T1] ? bit_putcs+0xd20/0xd20 [ 7.800537][ T1] fbcon_cursor+0x3e0/0x550 [ 7.800556][ T1] hide_cursor+0x85/0x280 [ 7.800578][ T1] redraw_screen+0x5b8/0x740 [ 7.800597][ T1] ? slab_free_freelist_hook+0x8b/0x1c0 [ 7.800617][ T1] ? vc_init+0x5a0/0x5a0 [ 7.800636][ T1] ? __kmem_cache_free+0xaf/0x3b0 [ 7.800656][ T1] ? gotoxy+0x1ce/0x490 [ 7.800676][ T1] vc_do_resize+0xed6/0x1170 [ 7.800707][ T1] ? vt_console_print+0xed0/0xed0 [ 7.800734][ T1] fbcon_init+0x1061/0x1920 [ 7.800757][ T1] ? drm_fb_helper_blank+0x260/0x260 [ 7.800777][ T1] visual_init+0x326/0x620 [ 7.800797][ T1] do_bind_con_driver.isra.0+0x52f/0x910 [ 7.800824][ T1] do_take_over_console+0x450/0x5c0 [ 7.800848][ T1] do_fbcon_takeover+0xe8/0x210 [ 7.800866][ T1] fbcon_fb_registered+0x34a/0x460 [ 7.800882][ T1] ? fb_var_to_videomode+0x4c9/0x690 [ 7.800899][ T1] register_framebuffer+0x6b7/0xb60 [ 7.800914][ T1] ? drm_setup_crtcs_fb+0x4d4/0x6f0 [ 7.800928][ T1] ? fb_open+0x430/0x430 [ 7.800959][ T1] __drm_fb_helper_initial_config_and_unlock+0xe30/0x13e0 [ 7.800985][ T1] ? drm_fb_helper_alloc_info+0x260/0x260 [ 7.801001][ T1] ? lockdep_init_map_type+0x21e/0x800 [ 7.801024][ T1] ? lockdep_init_map_type+0x21e/0x800 [ 7.801044][ T1] ? __raw_spin_lock_init+0x3a/0x110 [ 7.801062][ T1] drm_fb_helper_initial_config+0x4a/0x60 [ 7.801079][ T1] drm_fbdev_client_hotplug+0x2b4/0x3d0 [ 7.801095][ T1] drm_fbdev_generic_setup+0x165/0x440 [ 7.801111][ T1] vkms_init+0x569/0x5ed [ 7.801128][ T1] ? vgem_init+0x23d/0x23d [ 7.801141][ T1] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 7.801172][ T1] ? vgem_init+0x23d/0x23d [ 7.802110][ T1] do_one_initcall+0x141/0x790 [ 7.802134][ T1] ? trace_event_raw_event_initcall_level+0x200/0x200 [ 7.802153][ T1] ? parameq+0xa0/0x170 [ 7.802182][ T1] kernel_init_freeable+0x6f9/0x782 [ 7.802200][ T1] ? rest_init+0x270/0x270 [ 7.802221][ T1] kernel_init+0x1e/0x1d0 [ 7.802238][ T1] ? rest_init+0x270/0x270 [ 7.802259][ T1] ret_from_fork+0x1f/0x30 [ 7.802286][ T1] [ 7.802293][ T1] Kernel panic - not syncing: panic_on_warn set ... [ 7.802299][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.1.0-rc6-next-20221123-syzkaller #0 [ 7.802312][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 7.802319][ T1] Call Trace: [ 7.802322][ T1] [ 7.802327][ T1] dump_stack_lvl+0xd1/0x138 [ 7.802341][ T1] panic+0x2cc/0x626 [ 7.802356][ T1] ? panic_print_sys_info.part.0+0x110/0x110 [ 7.802377][ T1] ? __warn.cold+0x24b/0x350 [ 7.802392][ T1] ? fb_deferred_io_schedule_flush+0x9f/0xf0 [ 7.802408][ T1] __warn.cold+0x25c/0x350 [ 7.802423][ T1] ? fb_deferred_io_schedule_flush+0x9f/0xf0 [ 7.802438][ T1] report_bug+0x1c0/0x210 [ 7.802460][ T1] handle_bug+0x3c/0x70 [ 7.802473][ T1] exc_invalid_op+0x18/0x50 [ 7.802488][ T1] asm_exc_invalid_op+0x1a/0x20 [ 7.802505][ T1] RIP: 0010:fb_deferred_io_schedule_flush+0x9f/0xf0 [ 7.802522][ T1] Code: c1 e8 03 80 3c 30 00 75 38 48 8b 35 43 81 27 0a bf 08 00 00 00 e8 c1 05 06 fd 48 83 c4 10 5b 5d e9 66 76 34 fd e8 61 76 34 fd <0f> 0b 48 83 c4 10 5b 5d e9 54 76 34 fd e8 6f 97 82 fd e9 7a ff ff [ 7.802533][ T1] RSP: 0000:ffffc900000672d8 EFLAGS: 00010293 [ 7.802545][ T1] RAX: 0000000000000000 RBX: ffff888146846000 RCX: 0000000000000000 [ 7.802553][ T1] RDX: ffff88813ff58000 RSI: ffffffff844c552f RDI: ffff888146846418 [ 7.802561][ T1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff9133aa47 [ 7.802569][ T1] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 7.802577][ T1] R13: 0000000000000008 R14: ffff88801e03b140 R15: 00000000000000d0 [ 7.802591][ T1] ? fb_deferred_io_schedule_flush+0x9f/0xf0 [ 7.802609][ T1] ? fb_deferred_io_schedule_flush+0x9f/0xf0 [ 7.802624][ T1] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 7.802644][ T1] drm_fb_helper_sys_imageblit+0x2c9/0x380 [ 7.802662][ T1] drm_fbdev_fb_imageblit+0x17d/0x260 [ 7.802678][ T1] soft_cursor+0x514/0xa30 [ 7.802700][ T1] bit_cursor+0xf13/0x17a0 [ 7.802721][ T1] ? bit_putcs+0xd20/0xd20 [ 7.802740][ T1] ? mark_lock.part.0+0x18d1/0x1910 [ 7.802766][ T1] ? fb_get_color_depth+0x11e/0x240 [ 7.802777][ T1] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 7.802800][ T1] ? get_color+0x22a/0x450 [ 7.802816][ T1] ? bit_putcs+0xd20/0xd20 [ 7.802830][ T1] fbcon_cursor+0x3e0/0x550 [ 7.802849][ T1] hide_cursor+0x85/0x280 [ 7.802868][ T1] redraw_screen+0x5b8/0x740 [ 7.802885][ T1] ? slab_free_freelist_hook+0x8b/0x1c0 [ 7.802904][ T1] ? vc_init+0x5a0/0x5a0 [ 7.802921][ T1] ? __kmem_cache_free+0xaf/0x3b0 [ 7.802941][ T1] ? gotoxy+0x1ce/0x490 [ 7.802959][ T1] vc_do_resize+0xed6/0x1170 [ 7.802988][ T1] ? vt_console_print+0xed0/0xed0 [ 7.803014][ T1] fbcon_init+0x1061/0x1920 [ 7.803030][ T1] ? drm_fb_helper_blank+0x260/0x260 [ 7.803048][ T1] visual_init+0x326/0x620 [ 7.803067][ T1] do_bind_con_driver.isra.0+0x52f/0x910 [ 7.803093][ T1] do_take_over_console+0x450/0x5c0 [ 7.803116][ T1] do_fbcon_takeover+0xe8/0x210 [ 7.803133][ T1] fbcon_fb_registered+0x34a/0x460 [ 7.803148][ T1] ? fb_var_to_videomode+0x4c9/0x690 [ 7.803163][ T1] register_framebuffer+0x6b7/0xb60 [ 7.803176][ T1] ? drm_setup_crtcs_fb+0x4d4/0x6f0 [ 7.803190][ T1] ? fb_open+0x430/0x430 [ 7.803219][ T1] __drm_fb_helper_initial_config_and_unlock+0xe30/0x13e0 [ 7.803243][ T1] ? drm_fb_helper_alloc_info+0x260/0x260 [ 7.803260][ T1] ? lockdep_init_map_type+0x21e/0x800 [ 7.803281][ T1] ? lockdep_init_map_type+0x21e/0x800 [ 7.803300][ T1] ? __raw_spin_lock_init+0x3a/0x110 [ 7.803317][ T1] drm_fb_helper_initial_config+0x4a/0x60 [ 7.803333][ T1] drm_fbdev_client_hotplug+0x2b4/0x3d0 [ 7.803348][ T1] drm_fbdev_generic_setup+0x165/0x440 [ 7.803363][ T1] vkms_init+0x569/0x5ed [ 7.803377][ T1] ? vgem_init+0x23d/0x23d [ 7.803390][ T1] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 7.803420][ T1] ? vgem_init+0x23d/0x23d [ 7.803434][ T1] do_one_initcall+0x141/0x790 [ 7.803451][ T1] ? trace_event_raw_event_initcall_level+0x200/0x200 [ 7.803469][ T1] ? parameq+0xa0/0x170 [ 7.803495][ T1] kernel_init_freeable+0x6f9/0x782 [ 7.803511][ T1] ? rest_init+0x270/0x270 [ 7.803530][ T1] kernel_init+0x1e/0x1d0 [ 7.803546][ T1] ? rest_init+0x270/0x270 [ 7.803563][ T1] ret_from_fork+0x1f/0x30 [ 7.803588][ T1] [ 7.803830][ T1] Kernel Offset: disabled [ 7.811209][ T1] Rebooting in 86400 seconds..