[ 0.000000][ T0] Booting Linux on physical CPU 0x0000000000 [0x000f0510] [ 0.000000][ T0] Linux version 5.12.0-rc2-syzkaller-00338-gf78d76e72a46 (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] ********************************************************** [ 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] 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 0xbfbff280-0xbfc01fff] [ 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 0x00000000bb800000 [ 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 24 pages/cpu s59080 r8192 d31032 u98304 [ 0.000000][ T0] Detected PIPT I-cache on CPU0 [ 0.000000][ T0] CPU features: detected: Virtualization Host Extensions [ 0.000000][ T0] CPU features: detected: Kernel page table isolation (KPTI) [ 0.000000][ T0] CPU features: detected: Spectre-v2 [ 0.000000][ T0] CPU features: detected: Spectre-v4 [ 0.000000][ T0] CPU features: detected: Address authentication (architected algorithm) [ 0.000000][ T0] CPU features: detected: Branch Target Identification [ 0.000000][ T0] CPU features: detected: Memory Tagging Extension [ 0.000000][ T0] alternatives: patching kernel code [ 0.000000][ T0] kasan: KernelAddressSanitizer initialized [ 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 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 root=/dev/vda console=ttyAMA0 watchdog_thresh=165 workqueue.watchdog_thresh=420 dummy_hcd.num=2 [ 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: 1957368K/2097152K available (30976K kernel code, 2658K rwdata, 19120K rodata, 1024K init, 1651K bss, 107016K reserved, 32768K cma-reserved) [ 0.000000][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 0.000000][ T0] rcu: Preemptible hierarchical RCU implementation. [ 0.000000][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 0.000000][ T0] All grace periods are expedited (rcu_expedited). [ 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] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff00007b600000-0xffff00007b800000 [ 0.000000][ T0] random: crng done (trusting CPU's manufacturer) [ 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 [ 0.000169][ T0] sched_clock: 56 bits at 62MHz, resolution 16ns, wraps every 4398046511096ns [ 0.016065][ T0] Console: colour dummy device 80x25 [ 0.025341][ T0] Calibrating delay loop (skipped), value calculated using timer frequency.. 125.00 BogoMIPS (lpj=625000) [ 0.026611][ T0] pid_max: default: 32768 minimum: 301 [ 0.035552][ T0] LSM: Security Framework initializing [ 0.039993][ T0] Yama: becoming mindful. [ 0.044143][ T0] TOMOYO Linux initialized [ 0.046668][ T0] Smack: Initializing. [ 0.046933][ T0] Smack: Netfilter enabled. [ 0.047174][ T0] Smack: IPv6 Netfilter enabled. [ 0.052256][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, linear) [ 0.053003][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, linear) [ 0.232598][ T1] rcu: Hierarchical SRCU implementation. [ 0.256084][ T1] EFI services will not be available. [ 0.268370][ T1] smp: Bringing up secondary CPUs ... [ 0.302345][ T0] Detected PIPT I-cache on CPU1 [ 0.309856][ T0] CPU1: Booted secondary processor 0x0000000001 [0x000f0510] [ 0.331236][ T1] smp: Brought up 1 node, 2 CPUs [ 0.331830][ T1] SMP: Total of 2 processors activated. [ 0.332295][ T1] CPU features: detected: Privileged Access Never [ 0.332591][ T1] CPU features: detected: LSE atomic instructions [ 0.332857][ T1] CPU features: detected: 32-bit EL0 Support [ 0.333174][ T1] CPU features: detected: Common not Private translations [ 0.333446][ T1] CPU features: detected: Data cache clean to Point of Persistence [ 0.333667][ T1] CPU features: detected: Scalable Vector Extension [ 0.333947][ T1] CPU features: detected: CRC32 instructions [ 0.334214][ T1] CPU features: detected: Speculation barrier (SB) [ 0.334433][ T1] CPU features: detected: Generic authentication (architected algorithm) [ 0.334708][ T1] CPU features: detected: Data cache clean to Point of Deep Persistence [ 0.334962][ T1] CPU features: detected: Random Number Generator [ 0.335294][ T1] CPU features: detected: 32-bit EL1 Support [ 0.335540][ T1] CPU features: detected: RCpc load-acquire (LDAPR) [ 1.082239][ T1] SVE: maximum available vector length 256 bytes per vector [ 1.088631][ T1] SVE: default vector length 64 bytes per vector [ 1.838290][ T1] CPU: All CPU(s) started at EL2 [ 2.052394][ T1] devtmpfs: initialized [ 2.565491][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.567182][ T1] futex hash table entries: 512 (order: 3, 32768 bytes, linear) [ 2.870492][ T1] DMI not present or invalid. [ 2.910753][ T1] NET: Registered protocol family 16 [ 3.128493][ T1] DMA: preallocated 256 KiB GFP_KERNEL pool for atomic allocations [ 3.137157][ T1] DMA: preallocated 256 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations [ 3.154507][ T1] DMA: preallocated 256 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations [ 3.158796][ T1] audit: initializing netlink subsys (disabled) [ 3.170743][ T34] audit: type=2000 audit(2.880:1): state=initialized audit_enabled=0 res=1 [ 3.319028][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 3.319325][ T1] thermal_sys: Registered thermal governor 'power_allocator' [ 3.329937][ T1] cpuidle: using governor menu [ 3.331352][ T1] NET: Registered protocol family 42 [ 3.442372][ T1] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers. [ 3.445947][ T1] ASID allocator initialised with 32768 entries [ 3.467227][ T1] Serial: AMBA PL011 UART driver [ 4.041667][ T1] 9000000.pl011: ttyAMA0 at MMIO 0x9000000 (irq = 48, base_baud = 0) is a PL011 rev1 [ 4.163336][ T1] printk: console [ttyAMA0] enabled [ 14.116944][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 14.119950][ T1] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages [ 14.124141][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 14.127318][ T1] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages [ 14.538273][ T1] cryptd: max_cpu_qlen set to 1000 [ 15.324827][ T1] raid6: neonx8 gen() 183 MB/s [ 15.500087][ T1] raid6: neonx8 xor() 97 MB/s [ 15.677113][ T1] raid6: neonx4 gen() 189 MB/s [ 15.852555][ T1] raid6: neonx4 xor() 104 MB/s [ 16.030011][ T1] raid6: neonx2 gen() 173 MB/s [ 16.206272][ T1] raid6: neonx2 xor() 90 MB/s [ 16.383164][ T1] raid6: neonx1 gen() 139 MB/s [ 16.565213][ T1] raid6: neonx1 xor() 74 MB/s [ 16.744237][ T1] raid6: int64x8 gen() 76 MB/s [ 16.919842][ T1] raid6: int64x8 xor() 46 MB/s [ 17.096276][ T1] raid6: int64x4 gen() 75 MB/s [ 17.272179][ T1] raid6: int64x4 xor() 43 MB/s [ 17.447948][ T1] raid6: int64x2 gen() 69 MB/s [ 17.625776][ T1] raid6: int64x2 xor() 40 MB/s [ 17.801360][ T1] raid6: int64x1 gen() 64 MB/s [ 17.976339][ T1] raid6: int64x1 xor() 38 MB/s [ 17.978811][ T1] raid6: using algorithm neonx4 gen() 189 MB/s [ 17.980756][ T1] raid6: .... xor() 104 MB/s, rmw enabled [ 17.981559][ T1] raid6: using neon recovery algorithm [ 18.021014][ T1] ACPI: Interpreter disabled. [ 18.071971][ T1] iommu: Default domain type: Translated [ 18.100348][ T1] vgaarb: loaded [ 18.192492][ T1] SCSI subsystem initialized [ 18.261100][ T1] usbcore: registered new interface driver usbfs [ 18.267436][ T1] usbcore: registered new interface driver hub [ 18.298315][ T1] usbcore: registered new device driver usb [ 18.345386][ T1] pps_core: LinuxPPS API ver. 1 registered [ 18.347978][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 18.357457][ T1] PTP clock support registered [ 18.378650][ T1] EDAC MC: Ver: 3.0.0 [ 18.567012][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 18.680437][ T1] Bluetooth: Core ver 2.22 [ 18.685119][ T1] NET: Registered protocol family 31 [ 18.687008][ T1] Bluetooth: HCI device and connection manager initialized [ 18.689944][ T1] Bluetooth: HCI socket layer initialized [ 18.691162][ T1] Bluetooth: L2CAP socket layer initialized [ 18.692857][ T1] Bluetooth: SCO socket layer initialized [ 18.697341][ T1] NET: Registered protocol family 8 [ 18.699481][ T1] NET: Registered protocol family 20 [ 18.703525][ T1] NetLabel: Initializing [ 18.704967][ T1] NetLabel: domain hash size = 128 [ 18.707023][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 18.716887][ T1] NetLabel: unlabeled traffic allowed by default [ 18.746096][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 18.757123][ T1] NET: Registered protocol family 39 [ 18.865304][ T1] clocksource: Switched to clocksource arch_sys_counter [ 18.911402][ T1] VFS: Disk quotas dquot_6.6.0 [ 18.915332][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 18.928342][ T1] FS-Cache: Loaded [ 18.953224][ T1] CacheFiles: Loaded [ 18.966508][ T1] TOMOYO: 2.6.0 [ 18.967464][ T1] Mandatory Access Control activated. [ 18.976405][ T1] pnp: PnP ACPI: disabled [ 20.010395][ T1] NET: Registered protocol family 2 [ 20.058692][ T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 2, 16384 bytes, linear) [ 20.062364][ T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 20.068615][ T1] TCP bind hash table entries: 16384 (order: 6, 262144 bytes, linear) [ 20.075452][ T1] TCP: Hash tables configured (established 16384 bind 16384) [ 20.091145][ T1] MPTCP token hash table entries: 2048 (order: 3, 49152 bytes, linear) [ 20.097362][ T1] UDP hash table entries: 1024 (order: 3, 32768 bytes, linear) [ 20.101835][ T1] UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes, linear) [ 20.120194][ T1] NET: Registered protocol family 1 [ 20.149772][ T1] RPC: Registered named UNIX socket transport module. [ 20.150443][ T1] RPC: Registered udp transport module. [ 20.150854][ T1] RPC: Registered tcp transport module. [ 20.151263][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 20.198486][ T1] NET: Registered protocol family 44 [ 20.200718][ T1] PCI: CLS 0 bytes, default 64 [ 20.366045][ T1] hw perfevents: enabled with armv8_pmuv3 PMU driver, 5 counters available [ 20.372999][ T1] kvm [1]: IPA Size Limit: 48 bits [ 20.379410][ T1] kvm [1]: vgic interrupt IRQ9 [ 20.387163][ T1] kvm [1]: VHE mode initialized successfully [ 20.851198][ T1] Initialise system trusted keyrings [ 20.865997][ T1] workingset: timestamp_bits=42 max_order=19 bucket_order=0 [ 21.756145][ T1] zbud: loaded [ 21.947403][ T1] DLM installed [ 22.135642][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 22.371971][ T1] NFS: Registering the id_resolver key type [ 22.376371][ T1] Key type id_resolver registered [ 22.378240][ T1] Key type id_legacy registered [ 22.390143][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 22.419438][ T1] fuse: init (API version 7.33) [ 22.486343][ T1] 9p: Installing v9fs 9p2000 file system support [ 22.611282][ T1] NET: Registered protocol family 38 [ 22.617871][ T1] xor: measuring software checksum speed [ 22.793772][ T1] 8regs : 57 MB/sec [ 22.916573][ T1] 32regs : 83 MB/sec [ 23.025446][ T1] arm64_neon : 112 MB/sec [ 23.026155][ T1] xor: using function: arm64_neon (112 MB/sec) [ 23.027981][ T1] async_tx: api initialized (async) [ 23.028728][ T1] Key type asymmetric registered [ 23.029356][ T1] Asymmetric key parser 'x509' registered [ 23.030021][ T1] Asymmetric key parser 'pkcs8' registered [ 23.030657][ T1] Key type pkcs7_test registered [ 23.031258][ T1] Asymmetric key parser 'tpm_parser' registered [ 23.033562][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 244) [ 23.042229][ T1] io scheduler mq-deadline registered [ 23.044274][ T1] io scheduler kyber registered [ 23.058866][ T1] io scheduler bfq registered [ 23.227221][ T1] pl061_gpio 9030000.pl061: PL061 GPIO chip registered [ 23.333093][ T1] pci-host-generic 4010000000.pcie: host bridge /pcie@10000000 ranges: [ 23.338025][ T1] pci-host-generic 4010000000.pcie: IO 0x003eff0000..0x003effffff -> 0x0000000000 [ 23.340834][ T1] pci-host-generic 4010000000.pcie: MEM 0x0010000000..0x003efeffff -> 0x0010000000 [ 23.342346][ T1] pci-host-generic 4010000000.pcie: MEM 0x8000000000..0xffffffffff -> 0x8000000000 [ 23.345576][ T1] pci-host-generic 4010000000.pcie: Memory resource size exceeds max for 32 bits [ 23.349426][ T1] pci-host-generic 4010000000.pcie: ECAM at [mem 0x4010000000-0x401fffffff] for [bus 00-ff] [ 23.363854][ T1] pci-host-generic 4010000000.pcie: PCI host bridge to bus 0000:00 [ 23.365926][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 23.367337][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0xffff] [ 23.368625][ T1] pci_bus 0000:00: root bus resource [mem 0x10000000-0x3efeffff] [ 23.369770][ T1] pci_bus 0000:00: root bus resource [mem 0x8000000000-0xffffffffff] [ 23.373412][ T1] pci 0000:00:00.0: [1b36:0008] type 00 class 0x060000 [ 23.398778][ T1] pci 0000:00:01.0: [1af4:1005] type 00 class 0x00ff00 [ 23.400369][ T1] pci 0000:00:01.0: reg 0x10: [io 0x0000-0x001f] [ 23.403373][ T1] pci 0000:00:01.0: reg 0x20: [mem 0x00000000-0x00003fff 64bit pref] [ 23.422748][ T1] pci 0000:00:02.0: [1af4:1000] type 00 class 0x020000 [ 23.426836][ T1] pci 0000:00:02.0: reg 0x10: [io 0x0000-0x001f] [ 23.428973][ T1] pci 0000:00:02.0: reg 0x14: [mem 0x00000000-0x00000fff] [ 23.431003][ T1] pci 0000:00:02.0: reg 0x20: [mem 0x00000000-0x00003fff 64bit pref] [ 23.434050][ T1] pci 0000:00:02.0: reg 0x30: [mem 0x00000000-0x0003ffff pref] [ 23.457425][ T1] pci 0000:00:03.0: [1af4:1001] type 00 class 0x010000 [ 23.458898][ T1] pci 0000:00:03.0: reg 0x10: [io 0x0000-0x007f] [ 23.460442][ T1] pci 0000:00:03.0: reg 0x14: [mem 0x00000000-0x00000fff] [ 23.461642][ T1] pci 0000:00:03.0: reg 0x20: [mem 0x00000000-0x00003fff 64bit pref] [ 23.498653][ T1] pci 0000:00:02.0: BAR 6: assigned [mem 0x10000000-0x1003ffff pref] [ 23.500268][ T1] pci 0000:00:01.0: BAR 4: assigned [mem 0x8000000000-0x8000003fff 64bit pref] [ 23.501678][ T1] pci 0000:00:02.0: BAR 4: assigned [mem 0x8000004000-0x8000007fff 64bit pref] [ 23.503102][ T1] pci 0000:00:03.0: BAR 4: assigned [mem 0x8000008000-0x800000bfff 64bit pref] [ 23.504982][ T1] pci 0000:00:02.0: BAR 1: assigned [mem 0x10040000-0x10040fff] [ 23.506145][ T1] pci 0000:00:03.0: BAR 1: assigned [mem 0x10041000-0x10041fff] [ 23.507198][ T1] pci 0000:00:03.0: BAR 0: assigned [io 0x1000-0x107f] [ 23.508318][ T1] pci 0000:00:01.0: BAR 0: assigned [io 0x1080-0x109f] [ 23.509380][ T1] pci 0000:00:02.0: BAR 0: assigned [io 0x10a0-0x10bf] [ 23.529356][ T1] usbcore: registered new interface driver udlfb [ 23.583288][ T1] uvesafb: failed to execute /sbin/v86d [ 23.585650][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 23.586782][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 23.587911][ T1] uvesafb: vbe_init() failed with -22 [ 23.589718][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 23.593650][ T1] IPMI message handler: version 39.2 [ 23.598547][ T1] ipmi device interface [ 23.602869][ T1] ipmi_si: IPMI System Interface driver [ 23.650583][ T1] ipmi_si: Unable to find any System Interface(s) [ 23.678146][ T1] EINJ: ACPI disabled. [ 23.921639][ T1] virtio-pci 0000:00:01.0: enabling device (0000 -> 0003) [ 23.942011][ T1] virtio-pci 0000:00:02.0: enabling device (0000 -> 0003) [ 23.968449][ T1] virtio-pci 0000:00:03.0: enabling device (0000 -> 0003) [ 30.171897][ T1] N_HDLC line discipline registered with maxframe=4096 [ 30.176449][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 30.409125][ T1] Cyclades driver 2.6 [ 30.428516][ T1] Initializing Nozomi driver 2.1d [ 30.453503][ T1] RocketPort device driver module, version 2.09, 12-June-2003 [ 30.457515][ T1] No rocketport ports found; unloading driver [ 30.661996][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 30.745564][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 31.151666][ T1] Console: switching to colour frame buffer device 128x48 [ 31.291364][ T1] platform vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 31.321267][ T1] usbcore: registered new interface driver udl [ 31.500944][ T16] cacheinfo: Unable to detect cache hierarchy for CPU 0 [ 32.217437][ T1] brd: module loaded [ 32.603355][ C0] ------------[ cut here ]------------ [ 32.605498][ C0] WARNING: CPU: 0 PID: 14 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 32.609938][ C0] Modules linked in: [ 32.625541][ C0] CPU: 0 PID: 14 Comm: rcu_preempt Not tainted 5.12.0-rc2-syzkaller-00338-gf78d76e72a46 #0 [ 32.626908][ C0] Hardware name: linux,dummy-virt (DT) [ 32.627834][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 32.628785][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 32.629570][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 32.630398][ C0] sp : ffff800010003e30 [ 32.631043][ C0] x29: ffff800010003e30 x28: ffff00007fbc2e00 [ 32.632182][ C0] x27: ffff00007fbc2e40 x26: ffff80001096f860 [ 32.633251][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 32.634278][ C0] x23: 0000000000000080 x22: 0000000755eb0a50 [ 32.635309][ C0] x21: 0000000000fe4c00 x20: f2ff000003f5c628 [ 32.636295][ C0] x19: f2ff000003f5d498 x18: 000000000000000e [ 32.637313][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 32.644453][ C0] x15: 000003198c117642 x14: 0000000000000149 [ 32.645492][ C0] x13: 0000000000000001 x12: 0000000000000000 [ 32.646584][ C0] x11: 0000000000000002 x10: 0000000000000149 [ 32.647619][ C0] x9 : 00000000021a462e x8 : 00000007561e5000 [ 32.648774][ C0] x7 : 7fffffffffffffff x6 : 00000007561e5000 [ 32.649843][ C0] x5 : 00000007561e5000 x4 : f2ff000003f5d498 [ 32.650928][ C0] x3 : 00000007571c9c00 x2 : 00000007561e5000 [ 32.652006][ C0] x1 : 00000007571c9c00 x0 : 0000000000000003 [ 32.653260][ C0] Call trace: [ 32.653857][ C0] vkms_vblank_simulate+0x120/0x130 [ 32.654646][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 32.655436][ C0] hrtimer_interrupt+0xe8/0x290 [ 32.656162][ C0] arch_timer_handler_phys+0x38/0x50 [ 32.656937][ C0] handle_percpu_devid_irq+0x84/0x150 [ 32.657720][ C0] __handle_domain_irq+0x7c/0xe0 [ 32.667999][ C0] gic_handle_irq+0x50/0xd0 [ 32.668707][ C0] el1_irq+0xb4/0x180 [ 32.669336][ C0] _raw_spin_unlock_irq+0x14/0x50 [ 32.670060][ C0] __schedule+0x2dc/0x794 [ 32.683736][ C0] schedule+0x70/0x10c [ 32.684622][ C0] schedule_timeout+0x80/0xf0 [ 32.685310][ C0] rcu_gp_kthread+0x4f4/0xabc [ 32.686057][ C0] kthread+0x174/0x180 [ 32.686708][ C0] ret_from_fork+0x10/0x34 [ 32.687737][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 32.688687][ C0] CPU: 0 PID: 14 Comm: rcu_preempt Not tainted 5.12.0-rc2-syzkaller-00338-gf78d76e72a46 #0 [ 32.689799][ C0] Hardware name: linux,dummy-virt (DT) [ 32.690568][ C0] Call trace: [ 32.691054][ C0] dump_backtrace+0x0/0x1b0 [ 32.691741][ C0] show_stack+0x18/0x70 [ 32.692392][ C0] dump_stack+0xd0/0x12c [ 32.693078][ C0] panic+0x170/0x338 [ 32.693741][ C0] __warn+0xc8/0x150 [ 32.704030][ C0] report_bug+0xf8/0x170 [ 32.705120][ C0] bug_handler+0x20/0x70 [ 32.705826][ C0] brk_handler+0x68/0xd0 [ 32.706495][ C0] do_debug_exception+0x90/0x170 [ 32.707207][ C0] el1_dbg+0x70/0x90 [ 32.707839][ C0] el1_sync_handler+0x9c/0xd0 [ 32.708539][ C0] el1_sync+0x70/0x100 [ 32.709167][ C0] vkms_vblank_simulate+0x120/0x130 [ 32.709993][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 32.711786][ C0] hrtimer_interrupt+0xe8/0x290 [ 32.713373][ C0] arch_timer_handler_phys+0x38/0x50 [ 32.715177][ C0] handle_percpu_devid_irq+0x84/0x150 [ 32.717040][ C0] __handle_domain_irq+0x7c/0xe0 [ 32.718934][ C0] gic_handle_irq+0x50/0xd0 [ 32.720717][ C0] el1_irq+0xb4/0x180 [ 32.722471][ C0] _raw_spin_unlock_irq+0x14/0x50 [ 32.724469][ C0] __schedule+0x2dc/0x794 [ 32.726465][ C0] schedule+0x70/0x10c [ 32.727931][ C0] schedule_timeout+0x80/0xf0 [ 32.729451][ C0] rcu_gp_kthread+0x4f4/0xabc [ 32.731097][ C0] kthread+0x174/0x180 [ 32.732459][ C0] ret_from_fork+0x10/0x34 [ 32.734691][ C0] SMP: stopping secondary CPUs [ 32.745678][ C0] Kernel Offset: disabled [ 32.748046][ C0] CPU features: 0x0a7e0952,61e0a830 [ 32.751021][ C0] Memory Limit: none [ 32.753675][ C0] Rebooting in 1 seconds..