[ 0.000000][ T0] Booting Linux on physical CPU 0x0000000000 [0x411fd070] [ 0.000000][ T0] Linux version 5.12.0-rc2-syzkaller-00570-g88fe49249c99 (syzkaller@syzkaller) (aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1) #0 SMP PREEMPT now [ 0.000000][ T0] Machine model: linux,dummy-virt [ 0.000000][ T0] efi: UEFI not found. [ 0.000000][ T0] NUMA: No NUMA configuration found [ 0.000000][ T0] NUMA: Faking a node at [mem 0x0000000040000000-0x00000000bfffffff] [ 0.000000][ T0] NUMA: NODE_DATA [mem 0xbfc22ec0-0xbfc25fff] [ 0.000000][ T0] Zone ranges: [ 0.000000][ T0] DMA [mem 0x0000000040000000-0x00000000bfffffff] [ 0.000000][ T0] DMA32 empty [ 0.000000][ T0] Normal empty [ 0.000000][ T0] Device empty [ 0.000000][ T0] Movable zone start for each node [ 0.000000][ T0] Early memory node ranges [ 0.000000][ T0] node 0: [mem 0x0000000040000000-0x00000000bfffffff] [ 0.000000][ T0] Initmem setup node 0 [mem 0x0000000040000000-0x00000000bfffffff] [ 0.000000][ T0] cma: Reserved 32 MiB at 0x00000000bbc00000 [ 0.000000][ T0] kasan: KernelAddressSanitizer initialized [ 0.000000][ T0] psci: probing for conduit method from DT. [ 0.000000][ T0] psci: PSCIv0.2 detected in firmware. [ 0.000000][ T0] psci: Using standard PSCI v0.2 function IDs [ 0.000000][ T0] psci: Trusted OS migration not required [ 0.000000][ T0] percpu: Embedded 41 pages/cpu s128904 r8192 d30840 u167936 [ 0.000000][ T0] Detected PIPT I-cache on CPU0 [ 0.000000][ T0] CPU features: detected: ARM erratum 832075 [ 0.000000][ T0] CPU features: detected: ARM erratum 834220 [ 0.000000][ T0] CPU features: detected: Spectre-v2 [ 0.000000][ T0] CPU features: detected: Spectre-v4 [ 0.000000][ T0] CPU features: detected: ARM errata 1165522, 1319367, or 1530923 [ 0.000000][ T0] Built 1 zonelists, mobility grouping on. Total pages: 516096 [ 0.000000][ T0] Policy zone: DMA [ 0.000000][ T0] Kernel command line: earlyprintk=serial oops=panic nmi_watchdog=panic panic_on_warn=1 panic=1 ftrace_dump_on_oops=orig_cpu vsyscall=native net.ifnames=0 biosdevname=0 root=/dev/vda console=ttyAMA0 [ 0.000000][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.000000][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, linear) [ 0.000000][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.000000][ T0] Memory: 1561376K/2097152K available (94208K kernel code, 27142K rwdata, 31824K rodata, 2176K init, 14232K bss, 503008K reserved, 32768K cma-reserved) [ 0.000000][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 0.000000][ T0] Running RCU self tests [ 0.000000][ T0] rcu: Preemptible hierarchical RCU implementation. [ 0.000000][ T0] rcu: RCU lockdep checking is enabled. [ 0.000000][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 0.000000][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 0.000000][ T0] rcu: RCU debug extended QS entry/exit. [ 0.000000][ T0] Trampoline variant of Tasks RCU enabled. [ 0.000000][ T0] Tracing variant of Tasks RCU enabled. [ 0.000000][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.000000][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 0.000000][ T0] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0 [ 0.000000][ T0] GIC: Using split EOI/Deactivate mode [ 0.000000][ T0] GICv2m: range[mem 0x08020000-0x08020fff], SPI[80:143] [ 0.000000][ T0] random: get_random_bytes called from start_kernel+0x200/0x3e8 with crng_init=0 [ 0.000000][ T0] arch_timer: cp15 timer(s) running at 62.50MHz (phys). [ 0.000000][ T0] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x1cd42e208c, max_idle_ns: 881590405314 ns [ 0.000182][ T0] sched_clock: 56 bits at 62MHz, resolution 16ns, wraps every 4398046511096ns [ 0.028181][ T0] Console: colour dummy device 80x25 [ 0.030826][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.031052][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.031235][ T0] ... MAX_LOCK_DEPTH: 48 [ 0.031406][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 0.031574][ T0] ... CLASSHASH_SIZE: 4096 [ 0.031739][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.031907][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.032075][ T0] ... CHAINHASH_SIZE: 32768 [ 0.032269][ T0] memory used by lock dependency info: 6365 kB [ 0.032450][ T0] memory used for stack traces: 4224 kB [ 0.032609][ T0] per task-struct memory footprint: 1920 bytes [ 0.038383][ T0] Calibrating delay loop (skipped), value calculated using timer frequency.. 125.00 BogoMIPS (lpj=625000) [ 0.038980][ T0] pid_max: default: 32768 minimum: 301 [ 0.044663][ T0] LSM: Security Framework initializing [ 0.046855][ T0] Yama: becoming mindful. [ 0.050052][ T0] TOMOYO Linux initialized [ 0.053435][ T0] SELinux: Initializing. [ 0.057984][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, linear) [ 0.058395][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, linear) [ 0.256241][ T1] Running RCU-tasks wait API self tests [ 0.413168][ T1] rcu: Hierarchical SRCU implementation. [ 0.431227][ T10] Callback from call_rcu_tasks_trace() invoked. [ 0.482435][ T1] EFI services will not be available. [ 0.493528][ T1] smp: Bringing up secondary CPUs ... [ 0.520466][ T0] Detected PIPT I-cache on CPU1 [ 0.523095][ T0] CPU1: Booted secondary processor 0x0000000001 [0x411fd070] [ 0.557821][ T1] smp: Brought up 1 node, 2 CPUs [ 0.558332][ T1] SMP: Total of 2 processors activated. [ 0.558584][ T1] CPU features: detected: 32-bit EL0 Support [ 0.558856][ T1] CPU features: detected: CRC32 instructions [ 0.559118][ T1] CPU features: detected: 32-bit EL1 Support [ 0.649229][ T9] Callback from call_rcu_tasks() invoked. [ 1.364951][ T1] CPU: All CPU(s) started at EL2 [ 1.367418][ T14] alternatives: patching kernel code [ 1.450508][ T1] devtmpfs: initialized [ 1.928536][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.929491][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, linear) [ 2.200223][ T1] DMI not present or invalid. [ 2.275827][ T1] NET: Registered protocol family 16 [ 2.450633][ T1] DMA: preallocated 256 KiB GFP_KERNEL pool for atomic allocations [ 2.456764][ T1] DMA: preallocated 256 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations [ 2.467580][ T1] DMA: preallocated 256 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations [ 2.473116][ T1] audit: initializing netlink subsys (disabled) [ 2.493427][ T34] audit: type=2000 audit(2.320:1): state=initialized audit_enabled=0 res=1 [ 2.748346][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.748773][ T1] thermal_sys: Registered thermal governor 'power_allocator' [ 2.771273][ T1] cpuidle: using governor menu [ 2.773261][ T1] NET: Registered protocol family 42 [ 2.795039][ T1] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers. [ 2.800833][ T1] ASID allocator initialised with 65536 entries [ 2.814620][ T1] Serial: AMBA PL011 UART driver [ 3.610873][ T1] 9000000.pl011: ttyAMA0 at MMIO 0x9000000 (irq = 48, base_baud = 0) is a PL011 rev1 [ 3.748532][ T1] printk: console [ttyAMA0] enabled [ 15.119806][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 15.122907][ T1] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages [ 15.123622][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 15.125854][ T1] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages [ 15.456606][ T1] cryptd: max_cpu_qlen set to 1000 [ 16.143370][ T1] raid6: neonx8 gen() 763 MB/s [ 16.329033][ T1] raid6: neonx8 xor() 361 MB/s [ 16.511858][ T1] raid6: neonx4 gen() 816 MB/s [ 16.697019][ T1] raid6: neonx4 xor() 358 MB/s [ 16.875373][ T1] raid6: neonx2 gen() 875 MB/s [ 17.055185][ T1] raid6: neonx2 xor() 377 MB/s [ 17.233293][ T1] raid6: neonx1 gen() 674 MB/s [ 17.413682][ T1] raid6: neonx1 xor() 347 MB/s [ 17.591885][ T1] raid6: int64x8 gen() 314 MB/s [ 17.772189][ T1] raid6: int64x8 xor() 235 MB/s [ 17.948660][ T1] raid6: int64x4 gen() 395 MB/s [ 18.125379][ T1] raid6: int64x4 xor() 396 MB/s [ 18.309421][ T1] raid6: int64x2 gen() 542 MB/s [ 18.487635][ T1] raid6: int64x2 xor() 327 MB/s [ 18.672191][ T1] raid6: int64x1 gen() 479 MB/s [ 18.860486][ T1] raid6: int64x1 xor() 330 MB/s [ 18.862703][ T1] raid6: using algorithm neonx2 gen() 875 MB/s [ 18.863716][ T1] raid6: .... xor() 377 MB/s, rmw enabled [ 18.864436][ T1] raid6: using neon recovery algorithm [ 18.899998][ T1] ACPI: Interpreter disabled. [ 18.987353][ T1] iommu: Default domain type: Translated [ 19.003348][ T1] vgaarb: loaded [ 19.075101][ T1] SCSI subsystem initialized [ 19.190646][ T1] usbcore: registered new interface driver usbfs [ 19.202378][ T1] usbcore: registered new interface driver hub [ 19.215099][ T1] usbcore: registered new device driver usb [ 19.284298][ T1] pps_core: LinuxPPS API ver. 1 registered [ 19.286418][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 19.323855][ T1] PTP clock support registered [ 19.362864][ T1] EDAC MC: Ver: 3.0.0 [ 19.547513][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 19.663138][ T1] Bluetooth: Core ver 2.22 [ 19.667805][ T1] NET: Registered protocol family 31 [ 19.669222][ T1] Bluetooth: HCI device and connection manager initialized [ 19.670475][ T1] Bluetooth: HCI socket layer initialized [ 19.671196][ T1] Bluetooth: L2CAP socket layer initialized [ 19.673202][ T1] Bluetooth: SCO socket layer initialized [ 19.674868][ T1] NET: Registered protocol family 8 [ 19.675323][ T1] NET: Registered protocol family 20 [ 19.685701][ T1] NetLabel: Initializing [ 19.686250][ T1] NetLabel: domain hash size = 128 [ 19.686720][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 19.694983][ T1] NetLabel: unlabeled traffic allowed by default [ 19.717729][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 19.736798][ T1] NET: Registered protocol family 39 [ 19.760380][ T1] clocksource: Switched to clocksource arch_sys_counter [ 27.327655][ T1] VFS: Disk quotas dquot_6.6.0 [ 27.342940][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 27.377036][ T1] FS-Cache: Loaded [ 27.406281][ T1] CacheFiles: Loaded [ 27.447794][ T1] TOMOYO: 2.6.0 [ 27.448585][ T1] Mandatory Access Control activated. [ 27.471888][ T1] pnp: PnP ACPI: disabled [ 28.753158][ T1] NET: Registered protocol family 2 [ 28.805873][ T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 4, 81920 bytes, linear) [ 28.811062][ T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 28.832191][ T1] TCP bind hash table entries: 16384 (order: 8, 1179648 bytes, linear) [ 28.843722][ T1] TCP: Hash tables configured (established 16384 bind 16384) [ 28.857660][ T1] MPTCP token hash table entries: 2048 (order: 5, 180224 bytes, linear) [ 28.864426][ T1] UDP hash table entries: 1024 (order: 5, 163840 bytes, linear) [ 28.871257][ T1] UDP-Lite hash table entries: 1024 (order: 5, 163840 bytes, linear) [ 28.887635][ T1] NET: Registered protocol family 1 [ 28.918632][ T1] RPC: Registered named UNIX socket transport module. [ 28.921930][ T1] RPC: Registered udp transport module. [ 28.923273][ T1] RPC: Registered tcp transport module. [ 28.924571][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 28.959839][ T1] NET: Registered protocol family 44 [ 28.960876][ T1] PCI: CLS 0 bytes, default 64 [ 29.073172][ T1] hw perfevents: enabled with armv8_pmuv3 PMU driver, 5 counters available [ 29.084967][ T1] kvm [1]: Guests without required CPU erratum workarounds can deadlock system! [ 29.084967][ T1] Only trusted guests should be used on this system. [ 29.088658][ T1] kvm [1]: IPA Size Limit: 44 bits [ 29.281317][ T1] kvm [1]: vgic interrupt IRQ9 [ 29.286860][ T1] kvm [1]: Hyp mode initialized successfully [ 29.871587][ T1] Initialise system trusted keyrings [ 29.892286][ T1] workingset: timestamp_bits=42 max_order=19 bucket_order=0 [ 30.447251][ T1] zbud: loaded [ 30.574103][ T1] DLM installed [ 30.684339][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 30.887612][ T1] NFS: Registering the id_resolver key type [ 30.891239][ T1] Key type id_resolver registered [ 30.892165][ T1] Key type id_legacy registered [ 30.901096][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 30.904341][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 30.923698][ T1] fuse: init (API version 7.33) [ 31.050945][ C0] hrtimer: interrupt took 69147216 ns [ 31.051643][ T1] 9p: Installing v9fs 9p2000 file system support [ 31.244292][ T1] NET: Registered protocol family 38 [ 31.254969][ T1] xor: measuring software checksum speed [ 31.274587][ T1] 8regs : 594 MB/sec [ 31.292768][ T1] 32regs : 614 MB/sec [ 31.308485][ T1] arm64_neon : 802 MB/sec [ 31.311572][ T1] xor: using function: arm64_neon (802 MB/sec) [ 31.314783][ T1] async_tx: api initialized (async) [ 31.316234][ T1] Key type asymmetric registered [ 31.317808][ T1] Asymmetric key parser 'x509' registered [ 31.320741][ T1] Asymmetric key parser 'pkcs8' registered [ 31.322316][ T1] Key type pkcs7_test registered [ 31.323206][ T1] Asymmetric key parser 'tpm_parser' registered [ 31.326290][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 244) [ 31.335830][ T1] io scheduler mq-deadline registered [ 31.336653][ T1] io scheduler kyber registered [ 31.348111][ T1] io scheduler bfq registered [ 31.527380][ T1] pl061_gpio 9030000.pl061: PL061 GPIO chip registered [ 31.657973][ T1] pci-host-generic 4010000000.pcie: host bridge /pcie@10000000 ranges: [ 31.677300][ T1] pci-host-generic 4010000000.pcie: IO 0x003eff0000..0x003effffff -> 0x0000000000 [ 31.683489][ T1] pci-host-generic 4010000000.pcie: MEM 0x0010000000..0x003efeffff -> 0x0010000000 [ 31.684724][ T1] pci-host-generic 4010000000.pcie: MEM 0x8000000000..0xffffffffff -> 0x8000000000 [ 31.687139][ T1] pci-host-generic 4010000000.pcie: Memory resource size exceeds max for 32 bits [ 31.711315][ T1] pci-host-generic 4010000000.pcie: ECAM at [mem 0x4010000000-0x401fffffff] for [bus 00-ff] [ 31.723047][ T1] pci-host-generic 4010000000.pcie: PCI host bridge to bus 0000:00 [ 31.726549][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 31.728701][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0xffff] [ 31.741456][ T1] pci_bus 0000:00: root bus resource [mem 0x10000000-0x3efeffff] [ 31.742011][ T1] pci_bus 0000:00: root bus resource [mem 0x8000000000-0xffffffffff] [ 31.746955][ T1] pci 0000:00:00.0: [1b36:0008] type 00 class 0x060000 [ 31.801000][ T1] pci 0000:00:01.0: [1af4:1005] type 00 class 0x00ff00 [ 31.802594][ T1] pci 0000:00:01.0: reg 0x10: [io 0x0000-0x001f] [ 31.803726][ T1] pci 0000:00:01.0: reg 0x20: [mem 0x00000000-0x00003fff 64bit pref] [ 31.825449][ T1] pci 0000:00:02.0: [1af4:1000] type 00 class 0x020000 [ 31.826373][ T1] pci 0000:00:02.0: reg 0x10: [io 0x0000-0x001f] [ 31.826927][ T1] pci 0000:00:02.0: reg 0x14: [mem 0x00000000-0x00000fff] [ 31.827793][ T1] pci 0000:00:02.0: reg 0x20: [mem 0x00000000-0x00003fff 64bit pref] [ 31.828373][ T1] pci 0000:00:02.0: reg 0x30: [mem 0x00000000-0x0003ffff pref] [ 31.864095][ T1] pci 0000:00:03.0: [1af4:1001] type 00 class 0x010000 [ 31.883444][ T1] pci 0000:00:03.0: reg 0x10: [io 0x0000-0x007f] [ 31.884316][ T1] pci 0000:00:03.0: reg 0x14: [mem 0x00000000-0x00000fff] [ 31.885515][ T1] pci 0000:00:03.0: reg 0x20: [mem 0x00000000-0x00003fff 64bit pref] [ 31.926193][ T1] pci 0000:00:02.0: BAR 6: assigned [mem 0x10000000-0x1003ffff pref] [ 31.927369][ T1] pci 0000:00:01.0: BAR 4: assigned [mem 0x8000000000-0x8000003fff 64bit pref] [ 31.928232][ T1] pci 0000:00:02.0: BAR 4: assigned [mem 0x8000004000-0x8000007fff 64bit pref] [ 31.932452][ T1] pci 0000:00:03.0: BAR 4: assigned [mem 0x8000008000-0x800000bfff 64bit pref] [ 31.933233][ T1] pci 0000:00:02.0: BAR 1: assigned [mem 0x10040000-0x10040fff] [ 31.933763][ T1] pci 0000:00:03.0: BAR 1: assigned [mem 0x10041000-0x10041fff] [ 31.934268][ T1] pci 0000:00:03.0: BAR 0: assigned [io 0x1000-0x107f] [ 31.934778][ T1] pci 0000:00:01.0: BAR 0: assigned [io 0x1080-0x109f] [ 31.935243][ T1] pci 0000:00:02.0: BAR 0: assigned [io 0x10a0-0x10bf] [ 32.047106][ T1] usbcore: registered new interface driver udlfb [ 32.135212][ T1] uvesafb: failed to execute /sbin/v86d [ 32.136807][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 32.138986][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 32.143632][ T1] uvesafb: vbe_init() failed with -22 [ 32.146411][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 32.152204][ T1] IPMI message handler: version 39.2 [ 32.158286][ T1] ipmi device interface [ 32.165106][ T1] ipmi_si: IPMI System Interface driver [ 32.202893][ T1] ipmi_si: Unable to find any System Interface(s) [ 32.253407][ T1] EINJ: ACPI disabled. [ 32.628248][ T1] virtio-pci 0000:00:01.0: enabling device (0000 -> 0003) [ 32.684977][ T1] virtio-pci 0000:00:02.0: enabling device (0000 -> 0003) [ 32.716873][ T1] virtio-pci 0000:00:03.0: enabling device (0000 -> 0003) [ 38.658809][ T1] N_HDLC line discipline registered with maxframe=4096 [ 38.662783][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 38.925877][ T1] Cyclades driver 2.6 [ 38.952674][ T1] Initializing Nozomi driver 2.1d [ 38.973717][ T1] RocketPort device driver module, version 2.09, 12-June-2003 [ 38.978666][ T1] No rocketport ports found; unloading driver [ 39.162801][ T2296] random: fast init done [ 39.196582][ T2296] random: crng init done [ 39.276673][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 39.374579][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 39.942014][ T1] Console: switching to colour frame buffer device 128x48 [ 39.994227][ T1] platform vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 40.008108][ T1] usbcore: registered new interface driver udl [ 40.192005][ T15] cacheinfo: Unable to detect cache hierarchy for CPU 0 [ 41.143822][ T1] brd: module loaded [ 42.610147][ T1] loop: module loaded [ 42.716382][ C0] ------------[ cut here ]------------ [ 42.718302][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x26c/0x2f4 [ 42.725987][ C0] Modules linked in: [ 42.727584][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.12.0-rc2-syzkaller-00570-g88fe49249c99 #0 [ 42.739324][ C0] Hardware name: linux,dummy-virt (DT) [ 42.740069][ C0] pstate: 20000085 (nzCv daIf -PAN -UAO -TCO BTYPE=--) [ 42.740508][ C0] pc : vkms_vblank_simulate+0x26c/0x2f4 [ 42.740951][ C0] lr : vkms_vblank_simulate+0x90/0x2f4 [ 42.741313][ C0] sp : ffff00006a691360 [ 42.741648][ C0] x29: ffff00006a691360 x28: ffff00000c949e58 [ 42.742277][ C0] x27: dfff800000000000 x26: ffff00006a67c540 [ 42.742786][ C0] x25: 1fffe0000d4cf8b1 x24: 1fffe0000d4cf8aa [ 42.743342][ C0] x23: ffff00000c948d30 x22: 0000000000fe4c00 [ 42.743921][ C0] x21: ffff00006a67c540 x20: ffff00000c948e58 [ 42.744459][ C0] x19: ffff00000c949e58 x18: ffff00006a675b48 [ 42.745061][ C0] x17: 00000000000013e8 x16: 00000000000013ec [ 42.745596][ C0] x15: ffff8000197d1010 x14: 1fffe0000d4d2222 [ 42.746160][ C0] x13: 0000000000000001 x12: 0000000000000033 [ 42.746725][ C0] x11: 1ffff00002fb6936 x10: 0000000000000007 [ 42.747294][ C0] x9 : 1ffff00002fb693e x8 : ffff800017d24c00 [ 42.747919][ C0] x7 : 00000000f1f1f1f1 x6 : dfff800000000000 [ 42.748454][ C0] x5 : 7fffffffffffffff x4 : 000000099fb7ff00 [ 42.759192][ C0] x3 : 00000009a0b64b00 x2 : 000000099fb7ff00 [ 42.760167][ C0] x1 : 00000009a0b64b00 x0 : 0000000000000003 [ 42.761138][ C0] Call trace: [ 42.761524][ C0] vkms_vblank_simulate+0x26c/0x2f4 [ 42.761964][ C0] __hrtimer_run_queues+0x590/0xe40 [ 42.762339][ C0] hrtimer_interrupt+0x2d4/0x810 [ 42.762701][ C0] arch_timer_handler_phys+0x4c/0x70 [ 42.763112][ C0] handle_percpu_devid_irq+0x19c/0x330 [ 42.763509][ C0] __handle_domain_irq+0x11c/0x1f0 [ 42.763876][ C0] gic_handle_irq+0x5c/0x1b0 [ 42.764266][ C0] el1_irq+0xb4/0x180 [ 42.764606][ C0] lock_is_held_type+0x0/0x1b0 [ 42.765009][ C0] schedule_idle+0x4c/0x8c [ 42.765360][ C0] do_idle+0x2d4/0x4ec [ 42.765702][ C0] cpu_startup_entry+0x28/0x80 [ 42.766066][ C0] rest_init+0x1d0/0x2cc [ 42.766400][ C0] arch_call_rest_init+0x10/0x1c [ 42.766783][ C0] start_kernel+0x3b0/0x3e8 [ 42.767143][ C0] 0x0 [ 42.768380][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 42.769087][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.12.0-rc2-syzkaller-00570-g88fe49249c99 #0 [ 42.769585][ C0] Hardware name: linux,dummy-virt (DT) [ 42.770014][ C0] Call trace: [ 42.770320][ C0] dump_backtrace+0x0/0x3e0 [ 42.770680][ C0] show_stack+0x18/0x70 [ 42.771034][ C0] dump_stack+0x120/0x1a8 [ 42.771396][ C0] panic+0x31c/0x5c4 [ 42.771733][ C0] __warn+0x198/0x2f0 [ 42.772082][ C0] report_bug+0x154/0x210 [ 42.772432][ C0] bug_handler+0x38/0x90 [ 42.772776][ C0] brk_handler+0x114/0x230 [ 42.789309][ C0] do_debug_exception+0xc4/0x3b0 [ 42.789865][ C0] el1_dbg+0x60/0x80 [ 42.799258][ C0] el1_sync_handler+0x9c/0xd0 [ 42.799634][ C0] el1_sync+0x70/0x100 [ 42.799975][ C0] vkms_vblank_simulate+0x26c/0x2f4 [ 42.800357][ C0] __hrtimer_run_queues+0x590/0xe40 [ 42.800719][ C0] hrtimer_interrupt+0x2d4/0x810 [ 42.801093][ C0] arch_timer_handler_phys+0x4c/0x70 [ 42.801457][ C0] handle_percpu_devid_irq+0x19c/0x330 [ 42.801813][ C0] __handle_domain_irq+0x11c/0x1f0 [ 42.802166][ C0] gic_handle_irq+0x5c/0x1b0 [ 42.802524][ C0] el1_irq+0xb4/0x180 [ 42.802853][ C0] lock_is_held_type+0x0/0x1b0 [ 42.803216][ C0] schedule_idle+0x4c/0x8c [ 42.803548][ C0] do_idle+0x2d4/0x4ec [ 42.803872][ C0] cpu_startup_entry+0x28/0x80 [ 42.804384][ C0] rest_init+0x1d0/0x2cc [ 42.804836][ C0] arch_call_rest_init+0x10/0x1c [ 42.805239][ C0] start_kernel+0x3b0/0x3e8 [ 42.805594][ C0] 0x0 [ 42.807223][ C0] SMP: stopping secondary CPUs [ 42.808809][ C0] Dumping ftrace buffer: [ 42.810178][ C0] (ftrace buffer empty) [ 42.811065][ C0] Kernel Offset: disabled [ 42.811414][ C0] CPU features: 0x00240022,61002082 [ 42.812181][ C0] Memory Limit: none [ 42.813388][ C0] Rebooting in 1 seconds..