[ 0.000000][ T0] Booting Linux on physical CPU 0x0000000000 [0x411fd070] [ 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 0xbfc23ec0-0xbfc26fff] [ 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 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 panic_on_warn=1 [ 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: 1561452K/2097152K available (94144K kernel code, 27136K rwdata, 31812K rodata, 2176K init, 14234K bss, 502932K 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] 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] 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 [ 0.000156][ T0] sched_clock: 56 bits at 62MHz, resolution 16ns, wraps every 4398046511096ns [ 0.032345][ T0] Console: colour dummy device 80x25 [ 0.034131][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.034317][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.034444][ T0] ... MAX_LOCK_DEPTH: 48 [ 0.034568][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 0.034696][ T0] ... CLASSHASH_SIZE: 4096 [ 0.034839][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.034962][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.035094][ T0] ... CHAINHASH_SIZE: 32768 [ 0.035227][ T0] memory used by lock dependency info: 6365 kB [ 0.035352][ T0] memory used for stack traces: 4224 kB [ 0.035477][ T0] per task-struct memory footprint: 1920 bytes [ 0.040677][ T0] Calibrating delay loop (skipped), value calculated using timer frequency.. 125.00 BogoMIPS (lpj=625000) [ 0.042302][ T0] pid_max: default: 32768 minimum: 301 [ 0.046132][ T0] LSM: Security Framework initializing [ 0.047994][ T0] Yama: becoming mindful. [ 0.050796][ T0] TOMOYO Linux initialized [ 0.053874][ T0] SELinux: Initializing. [ 0.057604][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, linear) [ 0.057929][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, linear) [ 0.227316][ T1] Running RCU-tasks wait API self tests [ 0.388488][ T1] rcu: Hierarchical SRCU implementation. [ 0.396163][ T10] Callback from call_rcu_tasks_trace() invoked. [ 0.504119][ T1] EFI services will not be available. [ 0.523636][ T1] smp: Bringing up secondary CPUs ... [ 0.568366][ T0] Detected PIPT I-cache on CPU1 [ 0.571708][ T0] CPU1: Booted secondary processor 0x0000000001 [0x411fd070] [ 0.599672][ T1] smp: Brought up 1 node, 2 CPUs [ 0.602425][ T1] SMP: Total of 2 processors activated. [ 0.602769][ T1] CPU features: detected: 32-bit EL0 Support [ 0.603090][ T1] CPU features: detected: CRC32 instructions [ 0.603409][ T1] CPU features: detected: 32-bit EL1 Support [ 0.634894][ T9] Callback from call_rcu_tasks() invoked. [ 1.510630][ T1] CPU: All CPU(s) started at EL2 [ 1.514473][ T14] alternatives: patching kernel code [ 1.616361][ T1] devtmpfs: initialized [ 2.167245][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.168262][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, linear) [ 2.402985][ T1] DMI not present or invalid. [ 2.471138][ T1] NET: Registered protocol family 16 [ 2.614323][ T1] DMA: preallocated 256 KiB GFP_KERNEL pool for atomic allocations [ 2.618994][ T1] DMA: preallocated 256 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations [ 2.627910][ T1] DMA: preallocated 256 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations [ 2.632918][ T1] audit: initializing netlink subsys (disabled) [ 2.650697][ T34] audit: type=2000 audit(2.430:1): state=initialized audit_enabled=0 res=1 [ 2.848033][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.848354][ T1] thermal_sys: Registered thermal governor 'power_allocator' [ 2.856810][ T1] cpuidle: using governor menu [ 2.858450][ T1] NET: Registered protocol family 42 [ 2.886312][ T1] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers. [ 2.889548][ T1] ASID allocator initialised with 65536 entries [ 2.899574][ T1] Serial: AMBA PL011 UART driver [ 3.642295][ T1] 9000000.pl011: ttyAMA0 at MMIO 0x9000000 (irq = 48, base_baud = 0) is a PL011 rev1 [ 3.728726][ T1] printk: console [ttyAMA0] enabled [ 13.532985][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 13.533678][ T1] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages [ 13.534056][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 13.534407][ T1] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages [ 13.884076][ T1] cryptd: max_cpu_qlen set to 1000 [ 14.730342][ T1] raid6: neonx8 gen() 923 MB/s [ 14.911605][ T1] raid6: neonx8 xor() 476 MB/s [ 15.091297][ T1] raid6: neonx4 gen() 840 MB/s [ 15.272790][ T1] raid6: neonx4 xor() 389 MB/s [ 15.446628][ T1] raid6: neonx2 gen() 874 MB/s [ 15.626189][ T1] raid6: neonx2 xor() 399 MB/s [ 15.806388][ T1] raid6: neonx1 gen() 687 MB/s [ 15.987347][ T1] raid6: neonx1 xor() 356 MB/s [ 16.167685][ T1] raid6: int64x8 gen() 391 MB/s [ 16.351499][ T1] raid6: int64x8 xor() 317 MB/s [ 16.528818][ T1] raid6: int64x4 gen() 536 MB/s [ 16.706006][ T1] raid6: int64x4 xor() 382 MB/s [ 16.891470][ T1] raid6: int64x2 gen() 526 MB/s [ 17.069952][ T1] raid6: int64x2 xor() 331 MB/s [ 17.246742][ T1] raid6: int64x1 gen() 403 MB/s [ 17.424701][ T1] raid6: int64x1 xor() 258 MB/s [ 17.425368][ T1] raid6: using algorithm neonx8 gen() 923 MB/s [ 17.425811][ T1] raid6: .... xor() 476 MB/s, rmw enabled [ 17.426441][ T1] raid6: using neon recovery algorithm [ 17.479136][ T1] ACPI: Interpreter disabled. [ 17.547239][ T1] iommu: Default domain type: Translated [ 17.569858][ T1] vgaarb: loaded [ 17.642352][ T1] SCSI subsystem initialized [ 17.775684][ T1] usbcore: registered new interface driver usbfs [ 17.783888][ T1] usbcore: registered new interface driver hub [ 17.788811][ T1] usbcore: registered new device driver usb [ 17.862703][ T1] pps_core: LinuxPPS API ver. 1 registered [ 17.869519][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 17.889886][ T1] PTP clock support registered [ 17.906120][ T1] EDAC MC: Ver: 3.0.0 [ 18.064737][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 18.169110][ T1] Bluetooth: Core ver 2.22 [ 18.173015][ T1] NET: Registered protocol family 31 [ 18.173559][ T1] Bluetooth: HCI device and connection manager initialized [ 18.174762][ T1] Bluetooth: HCI socket layer initialized [ 18.176544][ T1] Bluetooth: L2CAP socket layer initialized [ 18.178818][ T1] Bluetooth: SCO socket layer initialized [ 18.180403][ T1] NET: Registered protocol family 8 [ 18.180832][ T1] NET: Registered protocol family 20 [ 18.185931][ T1] NetLabel: Initializing [ 18.188860][ T1] NetLabel: domain hash size = 128 [ 18.189973][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 18.196853][ T1] NetLabel: unlabeled traffic allowed by default [ 18.216996][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 18.231232][ T1] NET: Registered protocol family 39 [ 18.255314][ T1] clocksource: Switched to clocksource arch_sys_counter [ 24.659573][ T1] VFS: Disk quotas dquot_6.6.0 [ 24.661893][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 24.672797][ T1] FS-Cache: Loaded [ 24.690916][ T1] CacheFiles: Loaded [ 24.701158][ T1] TOMOYO: 2.6.0 [ 24.701809][ T1] Mandatory Access Control activated. [ 24.714994][ T1] pnp: PnP ACPI: disabled [ 26.077433][ T1] NET: Registered protocol family 2 [ 26.141246][ T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 4, 81920 bytes, linear) [ 26.145770][ T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 26.171413][ T1] TCP bind hash table entries: 16384 (order: 8, 1179648 bytes, linear) [ 26.187163][ T1] TCP: Hash tables configured (established 16384 bind 16384) [ 26.206525][ T1] MPTCP token hash table entries: 2048 (order: 5, 180224 bytes, linear) [ 26.213632][ T1] UDP hash table entries: 1024 (order: 5, 163840 bytes, linear) [ 26.220792][ T1] UDP-Lite hash table entries: 1024 (order: 5, 163840 bytes, linear) [ 26.239201][ T1] NET: Registered protocol family 1 [ 26.276210][ T1] RPC: Registered named UNIX socket transport module. [ 26.278568][ T1] RPC: Registered udp transport module. [ 26.279657][ T1] RPC: Registered tcp transport module. [ 26.281048][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 26.322845][ T1] NET: Registered protocol family 44 [ 26.328505][ T1] PCI: CLS 0 bytes, default 64 [ 26.486482][ T1] hw perfevents: enabled with armv8_pmuv3 PMU driver, 5 counters available [ 26.499376][ T1] kvm [1]: Guests without required CPU erratum workarounds can deadlock system! [ 26.499376][ T1] Only trusted guests should be used on this system. [ 26.503291][ T1] kvm [1]: IPA Size Limit: 44 bits [ 26.726449][ T1] kvm [1]: vgic interrupt IRQ9 [ 26.732654][ T1] kvm [1]: Hyp mode initialized successfully [ 27.389139][ T1] Initialise system trusted keyrings [ 27.413400][ T1] workingset: timestamp_bits=42 max_order=19 bucket_order=0 [ 28.161183][ T1] zbud: loaded [ 28.328019][ T1] DLM installed [ 28.466408][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 28.676797][ T1] NFS: Registering the id_resolver key type [ 28.679586][ T1] Key type id_resolver registered [ 28.680416][ T1] Key type id_legacy registered [ 28.690775][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 28.711392][ T1] fuse: init (API version 7.33) [ 28.778439][ T1] 9p: Installing v9fs 9p2000 file system support [ 28.909320][ T1] NET: Registered protocol family 38 [ 28.919273][ T1] xor: measuring software checksum speed [ 28.939693][ T1] 8regs : 609 MB/sec [ 28.962456][ T1] 32regs : 521 MB/sec [ 28.980332][ T1] arm64_neon : 698 MB/sec [ 28.982270][ T1] xor: using function: arm64_neon (698 MB/sec) [ 28.986835][ T1] async_tx: api initialized (async) [ 28.988582][ T1] Key type asymmetric registered [ 28.990471][ T1] Asymmetric key parser 'x509' registered [ 28.991346][ T1] Asymmetric key parser 'pkcs8' registered [ 28.991898][ T1] Key type pkcs7_test registered [ 28.992418][ T1] Asymmetric key parser 'tpm_parser' registered [ 29.040064][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 244) [ 29.096206][ T1] io scheduler mq-deadline registered [ 29.096883][ T1] io scheduler kyber registered [ 29.107604][ T1] io scheduler bfq registered [ 29.210839][ T1] pl061_gpio 9030000.pl061: PL061 GPIO chip registered [ 29.339091][ T1] pci-host-generic 4010000000.pcie: host bridge /pcie@10000000 ranges: [ 29.341872][ T1] pci-host-generic 4010000000.pcie: IO 0x003eff0000..0x003effffff -> 0x0000000000 [ 29.344113][ T1] pci-host-generic 4010000000.pcie: MEM 0x0010000000..0x003efeffff -> 0x0010000000 [ 29.348098][ T1] pci-host-generic 4010000000.pcie: MEM 0x8000000000..0xffffffffff -> 0x8000000000 [ 29.350153][ T1] pci-host-generic 4010000000.pcie: Memory resource size exceeds max for 32 bits [ 29.368970][ T1] pci-host-generic 4010000000.pcie: ECAM at [mem 0x4010000000-0x401fffffff] for [bus 00-ff] [ 29.382472][ T1] pci-host-generic 4010000000.pcie: PCI host bridge to bus 0000:00 [ 29.383857][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 29.386948][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0xffff] [ 29.389957][ T1] pci_bus 0000:00: root bus resource [mem 0x10000000-0x3efeffff] [ 29.392358][ T1] pci_bus 0000:00: root bus resource [mem 0x8000000000-0xffffffffff] [ 29.412231][ T1] pci 0000:00:00.0: [1b36:0008] type 00 class 0x060000 [ 29.439508][ T1] pci 0000:00:01.0: [1af4:1005] type 00 class 0x00ff00 [ 29.441076][ T1] pci 0000:00:01.0: reg 0x10: [io 0x0000-0x001f] [ 29.442240][ T1] pci 0000:00:01.0: reg 0x20: [mem 0x00000000-0x00003fff 64bit pref] [ 29.462641][ T1] pci 0000:00:02.0: [1af4:1000] type 00 class 0x020000 [ 29.463545][ T1] pci 0000:00:02.0: reg 0x10: [io 0x0000-0x001f] [ 29.464062][ T1] pci 0000:00:02.0: reg 0x14: [mem 0x00000000-0x00000fff] [ 29.471175][ T1] pci 0000:00:02.0: reg 0x20: [mem 0x00000000-0x00003fff 64bit pref] [ 29.471981][ T1] pci 0000:00:02.0: reg 0x30: [mem 0x00000000-0x0003ffff pref] [ 29.499166][ T1] pci 0000:00:03.0: [1af4:1001] type 00 class 0x010000 [ 29.500274][ T1] pci 0000:00:03.0: reg 0x10: [io 0x0000-0x007f] [ 29.500939][ T1] pci 0000:00:03.0: reg 0x14: [mem 0x00000000-0x00000fff] [ 29.502083][ T1] pci 0000:00:03.0: reg 0x20: [mem 0x00000000-0x00003fff 64bit pref] [ 29.569545][ T1] pci 0000:00:02.0: BAR 6: assigned [mem 0x10000000-0x1003ffff pref] [ 29.576482][ T1] pci 0000:00:01.0: BAR 4: assigned [mem 0x8000000000-0x8000003fff 64bit pref] [ 29.581097][ T1] pci 0000:00:02.0: BAR 4: assigned [mem 0x8000004000-0x8000007fff 64bit pref] [ 29.587027][ T1] pci 0000:00:03.0: BAR 4: assigned [mem 0x8000008000-0x800000bfff 64bit pref] [ 29.589693][ T1] pci 0000:00:02.0: BAR 1: assigned [mem 0x10040000-0x10040fff] [ 29.591767][ T1] pci 0000:00:03.0: BAR 1: assigned [mem 0x10041000-0x10041fff] [ 29.593897][ T1] pci 0000:00:03.0: BAR 0: assigned [io 0x1000-0x107f] [ 29.597067][ T1] pci 0000:00:01.0: BAR 0: assigned [io 0x1080-0x109f] [ 29.599081][ T1] pci 0000:00:02.0: BAR 0: assigned [io 0x10a0-0x10bf] [ 29.666432][ T1] usbcore: registered new interface driver udlfb [ 29.725806][ T1] uvesafb: failed to execute /sbin/v86d [ 29.727921][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 29.728767][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 29.729563][ T1] uvesafb: vbe_init() failed with -22 [ 29.731868][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 29.739776][ T1] IPMI message handler: version 39.2 [ 29.748040][ T1] ipmi device interface [ 29.754047][ T1] ipmi_si: IPMI System Interface driver [ 29.791752][ T1] ipmi_si: Unable to find any System Interface(s) [ 29.848494][ T1] EINJ: ACPI disabled. [ 30.241894][ T1] virtio-pci 0000:00:01.0: enabling device (0000 -> 0003) [ 30.302285][ T1] virtio-pci 0000:00:02.0: enabling device (0000 -> 0003) [ 30.343339][ T1] virtio-pci 0000:00:03.0: enabling device (0000 -> 0003) [ 37.808577][ T1] N_HDLC line discipline registered with maxframe=4096 [ 37.812278][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 38.153098][ T1] Cyclades driver 2.6 [ 38.172235][ T1] Initializing Nozomi driver 2.1d [ 38.206572][ T1] RocketPort device driver module, version 2.09, 12-June-2003 [ 38.209536][ T1] No rocketport ports found; unloading driver [ 38.343546][ T2292] random: fast init done [ 38.372845][ T2292] random: crng init done [ 38.556845][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 38.682175][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 39.380893][ T1] Console: switching to colour frame buffer device 128x48 [ 39.419207][ C0] ------------[ cut here ]------------ [ 39.419591][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x26c/0x2f4 [ 39.419830][ C0] Modules linked in: [ 39.420295][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.12.0-rc2-syzkaller-00338-gf78d76e72a46 #0 [ 39.420642][ C0] Hardware name: linux,dummy-virt (DT) [ 39.421025][ C0] pstate: 20000085 (nzCv daIf -PAN -UAO -TCO BTYPE=--) [ 39.421157][ C0] pc : vkms_vblank_simulate+0x26c/0x2f4 [ 39.421278][ C0] lr : vkms_vblank_simulate+0x90/0x2f4 [ 39.421365][ C0] sp : ffff00006a693cd0 [ 39.421473][ C0] x29: ffff00006a693cd0 x28: ffff00000c9d1e58 [ 39.421692][ C0] x27: dfff800000000000 x26: ffff00006a67f540 [ 39.421825][ C0] x25: 1fffe0000d4cfeb1 x24: 1fffe0000d4cfeaa [ 39.421960][ C0] x23: ffff00000c9d0d30 x22: 0000000000fe4c00 [ 39.422092][ C0] x21: ffff00006a67f540 x20: ffff00000c9d0e58 [ 39.422220][ C0] x19: ffff00000c9d1e58 x18: ffff00006a6a1b48 [ 39.422352][ C0] x17: 1fffe00001952345 x16: 0000000000000000 [ 39.422481][ C0] x15: ffff8000197bf810 x14: 1fffe0000d4d2750 [ 39.422623][ C0] x13: 0000000000000001 x12: 0000000000000033 [ 39.422762][ C0] x11: 1ffff00002fb4936 x10: 0000000000000007 [ 39.422898][ C0] x9 : 1ffff00002fb4943 x8 : ffff800017d14c00 [ 39.423093][ C0] x7 : 00000000f1f1f1f1 x6 : dfff800000000000 [ 39.423214][ C0] x5 : 7fffffffffffffff x4 : 00000008e44f6b90 [ 39.423345][ C0] x3 : 00000008e54db790 x2 : 00000008e44f6b90 [ 39.423479][ C0] x1 : 00000008e54db790 x0 : 0000000000000002 [ 39.423922][ C0] Call trace: [ 39.424034][ C0] vkms_vblank_simulate+0x26c/0x2f4 [ 39.424126][ C0] __hrtimer_run_queues+0x590/0xe40 [ 39.424206][ C0] hrtimer_interrupt+0x2d4/0x810 [ 39.424276][ C0] arch_timer_handler_phys+0x4c/0x70 [ 39.424355][ C0] handle_percpu_devid_irq+0x19c/0x330 [ 39.424427][ C0] __handle_domain_irq+0x11c/0x1f0 [ 39.424492][ C0] gic_handle_irq+0x5c/0x1b0 [ 39.424578][ C0] el1_irq+0xb4/0x180 [ 39.424646][ C0] queue_work_on+0x74/0x110 [ 39.424718][ C0] cursor_timer_handler+0x64/0x100 [ 39.424787][ C0] call_timer_fn+0x1d4/0x9c4 [ 39.424851][ C0] __run_timers.part.0+0x530/0xa00 [ 39.424914][ C0] run_timer_softirq+0xa4/0x1a0 [ 39.424975][ C0] _stext+0x2b4/0x1084 [ 39.425065][ C0] __irq_exit_rcu+0x46c/0x510 [ 39.425138][ C0] irq_exit+0x14/0x84 [ 39.425205][ C0] __handle_domain_irq+0x120/0x1f0 [ 39.425273][ C0] gic_handle_irq+0x5c/0x1b0 [ 39.425338][ C0] el1_irq+0xb4/0x180 [ 39.425400][ C0] arch_local_irq_enable+0xc/0x14 [ 39.425500][ C0] default_idle_call+0x64/0xf4 [ 39.425589][ C0] do_idle+0x38c/0x4ec [ 39.425659][ C0] cpu_startup_entry+0x28/0x80 [ 39.425725][ C0] rest_init+0x1d0/0x2cc [ 39.425793][ C0] arch_call_rest_init+0x10/0x1c [ 39.425875][ C0] start_kernel+0x3b0/0x3e8 [ 39.425944][ C0] 0x0 [ 39.426845][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 39.427153][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.12.0-rc2-syzkaller-00338-gf78d76e72a46 #0 [ 39.427228][ C0] Hardware name: linux,dummy-virt (DT) [ 39.427303][ C0] Call trace: [ 39.427349][ C0] dump_backtrace+0x0/0x3e0 [ 39.427424][ C0] show_stack+0x18/0x70 [ 39.427492][ C0] dump_stack+0x120/0x1a8 [ 39.427564][ C0] panic+0x31c/0x5c4 [ 39.427631][ C0] __warn+0x198/0x2f0 [ 39.427693][ C0] report_bug+0x154/0x210 [ 39.427765][ C0] bug_handler+0x38/0x90 [ 39.427828][ C0] brk_handler+0x114/0x230 [ 39.427893][ C0] do_debug_exception+0xc4/0x3b0 [ 39.427966][ C0] el1_dbg+0x60/0x80 [ 39.428034][ C0] el1_sync_handler+0x9c/0xd0 [ 39.428101][ C0] el1_sync+0x70/0x100 [ 39.428160][ C0] vkms_vblank_simulate+0x26c/0x2f4 [ 39.428227][ C0] __hrtimer_run_queues+0x590/0xe40 [ 39.428298][ C0] hrtimer_interrupt+0x2d4/0x810 [ 39.428364][ C0] arch_timer_handler_phys+0x4c/0x70 [ 39.428433][ C0] handle_percpu_devid_irq+0x19c/0x330 [ 39.428501][ C0] __handle_domain_irq+0x11c/0x1f0 [ 39.428575][ C0] gic_handle_irq+0x5c/0x1b0 [ 39.428642][ C0] el1_irq+0xb4/0x180 [ 39.428702][ C0] queue_work_on+0x74/0x110 [ 39.428765][ C0] cursor_timer_handler+0x64/0x100 [ 39.428830][ C0] call_timer_fn+0x1d4/0x9c4 [ 39.428892][ C0] __run_timers.part.0+0x530/0xa00 [ 39.428955][ C0] run_timer_softirq+0xa4/0x1a0 [ 39.429017][ C0] _stext+0x2b4/0x1084 [ 39.429078][ C0] __irq_exit_rcu+0x46c/0x510 [ 39.429149][ C0] irq_exit+0x14/0x84 [ 39.429222][ C0] __handle_domain_irq+0x120/0x1f0 [ 39.429286][ C0] gic_handle_irq+0x5c/0x1b0 [ 39.429352][ C0] el1_irq+0xb4/0x180 [ 39.429414][ C0] arch_local_irq_enable+0xc/0x14 [ 39.429514][ C0] default_idle_call+0x64/0xf4 [ 39.429591][ C0] do_idle+0x38c/0x4ec [ 39.429656][ C0] cpu_startup_entry+0x28/0x80 [ 39.429722][ C0] rest_init+0x1d0/0x2cc [ 39.429786][ C0] arch_call_rest_init+0x10/0x1c [ 39.429853][ C0] start_kernel+0x3b0/0x3e8 [ 39.429920][ C0] 0x0 [ 39.430993][ C0] SMP: stopping secondary CPUs [ 39.450952][ C0] Dumping ftrace buffer: [ 39.452122][ C0] (ftrace buffer empty) [ 39.452731][ C0] Kernel Offset: disabled [ 39.452802][ C0] CPU features: 0x00240022,61002082 [ 39.453255][ C0] Memory Limit: none [ 39.484482][ C0] Rebooting in 1 seconds..