failed to run ["ssh" "-p" "14666" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@localhost" "pwd"]: exit status 255 Connection timed out during banner exchange Connection to 127.0.0.1 port 14666 timed out [ 0.000000][ T0] Booting Linux on physical CPU 0x0000000000 [0x000f0510] [ 0.000000][ T0] Linux version 5.12.0-rc5-syzkaller-00091-g1678e493d530 (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 0xbfbf9280-0xbfbfbfff] [ 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: 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: 1969632K/2097152K available (23488K kernel code, 2238K rwdata, 15032K rodata, 960K init, 1443K bss, 94752K 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] 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 0x(____ptrval____)-0x(____ptrval____) [ 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 [ 0.000136][ T0] sched_clock: 56 bits at 62MHz, resolution 16ns, wraps every 4398046511096ns [ 0.014577][ T0] Console: colour dummy device 80x25 [ 0.022544][ T0] Calibrating delay loop (skipped), value calculated using timer frequency.. 125.00 BogoMIPS (lpj=625000) [ 0.023923][ T0] pid_max: default: 32768 minimum: 301 [ 0.031540][ T0] LSM: Security Framework initializing [ 0.034863][ T0] Yama: becoming mindful. [ 0.038205][ T0] TOMOYO Linux initialized [ 0.040856][ T0] Smack: Initializing. [ 0.041065][ T0] Smack: Netfilter enabled. [ 0.041235][ T0] Smack: IPv6 Netfilter enabled. [ 0.044925][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, linear) [ 0.045430][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, linear) [ 0.214243][ T1] rcu: Hierarchical SRCU implementation. [ 0.236578][ T1] EFI services will not be available. [ 0.248195][ T1] smp: Bringing up secondary CPUs ... [ 0.280723][ T0] Detected PIPT I-cache on CPU1 [ 0.287989][ T0] CPU1: Booted secondary processor 0x0000000001 [0x000f0510] [ 0.303472][ T1] smp: Brought up 1 node, 2 CPUs [ 0.304033][ T1] SMP: Total of 2 processors activated. [ 0.304496][ T1] CPU features: detected: Privileged Access Never [ 0.304775][ T1] CPU features: detected: LSE atomic instructions [ 0.305032][ T1] CPU features: detected: 32-bit EL0 Support [ 0.305396][ T1] CPU features: detected: Common not Private translations [ 0.305665][ T1] CPU features: detected: Data cache clean to Point of Persistence [ 0.305927][ T1] CPU features: detected: Scalable Vector Extension [ 0.306257][ T1] CPU features: detected: CRC32 instructions [ 0.306495][ T1] CPU features: detected: Speculation barrier (SB) [ 0.306723][ T1] CPU features: detected: Generic authentication (architected algorithm) [ 0.307009][ T1] CPU features: detected: Data cache clean to Point of Deep Persistence [ 0.307275][ T1] CPU features: detected: Random Number Generator [ 0.307615][ T1] CPU features: detected: 32-bit EL1 Support [ 0.307912][ T1] CPU features: detected: RCpc load-acquire (LDAPR) [ 0.910733][ T1] SVE: maximum available vector length 256 bytes per vector [ 0.916803][ T1] SVE: default vector length 64 bytes per vector [ 1.514573][ T1] CPU: All CPU(s) started at EL2 [ 1.716758][ T1] devtmpfs: initialized [ 2.030518][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.032229][ T1] futex hash table entries: 512 (order: 3, 32768 bytes, linear) [ 2.325664][ T1] DMI not present or invalid. [ 2.380827][ T1] NET: Registered protocol family 16 [ 2.545456][ T1] DMA: preallocated 256 KiB GFP_KERNEL pool for atomic allocations [ 2.554803][ T1] DMA: preallocated 256 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations [ 2.569631][ T1] DMA: preallocated 256 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations [ 2.574162][ T1] audit: initializing netlink subsys (disabled) [ 2.588812][ T34] audit: type=2000 audit(2.370:1): state=initialized audit_enabled=0 res=1 [ 2.742961][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.743256][ T1] thermal_sys: Registered thermal governor 'power_allocator' [ 2.755543][ T1] cpuidle: using governor menu [ 2.766792][ T1] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers. [ 2.769617][ T1] ASID allocator initialised with 32768 entries [ 2.789900][ T1] Serial: AMBA PL011 UART driver [ 3.335702][ T1] 9000000.pl011: ttyAMA0 at MMIO 0x9000000 (irq = 48, base_baud = 0) is a PL011 rev1 [ 3.476099][ T1] printk: console [ttyAMA0] enabled [ 10.258801][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 10.261068][ T1] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages [ 10.262301][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 10.263195][ T1] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages [ 10.528015][ T1] cryptd: max_cpu_qlen set to 1000 [ 11.263765][ T1] raid6: neonx8 gen() 117 MB/s [ 11.451388][ T1] raid6: neonx8 xor() 61 MB/s [ 11.629748][ T1] raid6: neonx4 gen() 125 MB/s [ 11.806039][ T1] raid6: neonx4 xor() 85 MB/s [ 11.981727][ T1] raid6: neonx2 gen() 139 MB/s [ 12.157832][ T1] raid6: neonx2 xor() 67 MB/s [ 12.346061][ T1] raid6: neonx1 gen() 108 MB/s [ 12.523142][ T1] raid6: neonx1 xor() 70 MB/s [ 12.709046][ T1] raid6: int64x8 gen() 64 MB/s [ 12.884483][ T1] raid6: int64x8 xor() 44 MB/s [ 13.059193][ T1] raid6: int64x4 gen() 69 MB/s [ 13.235184][ T1] raid6: int64x4 xor() 41 MB/s [ 13.411563][ T1] raid6: int64x2 gen() 71 MB/s [ 13.587674][ T1] raid6: int64x2 xor() 40 MB/s [ 13.766791][ T1] raid6: int64x1 gen() 65 MB/s [ 13.944068][ T1] raid6: int64x1 xor() 38 MB/s [ 13.945498][ T1] raid6: using algorithm neonx2 gen() 139 MB/s [ 13.948139][ T1] raid6: .... xor() 67 MB/s, rmw enabled [ 13.950183][ T1] raid6: using neon recovery algorithm [ 13.969231][ T1] ACPI: Interpreter disabled. [ 14.023167][ T1] iommu: Default domain type: Translated [ 14.060324][ T1] vgaarb: loaded [ 14.160354][ T1] SCSI subsystem initialized [ 14.283409][ T1] usbcore: registered new interface driver usbfs [ 14.311096][ T1] usbcore: registered new interface driver hub [ 14.319488][ T1] usbcore: registered new device driver usb [ 14.354436][ T1] pps_core: LinuxPPS API ver. 1 registered [ 14.355259][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 14.396009][ T1] PTP clock support registered [ 14.422125][ T1] EDAC MC: Ver: 3.0.0 [ 14.575714][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 14.687150][ T1] NetLabel: Initializing [ 14.688921][ T1] NetLabel: domain hash size = 128 [ 14.690817][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 14.701423][ T1] NetLabel: unlabeled traffic allowed by default [ 14.716262][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 14.722105][ T1] NET: Registered protocol family 39 [ 14.743023][ T1] clocksource: Switched to clocksource arch_sys_counter [ 14.821180][ T1] VFS: Disk quotas dquot_6.6.0 [ 14.836620][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 14.851572][ T1] FS-Cache: Loaded [ 14.889128][ T1] CacheFiles: Loaded [ 14.906156][ T1] TOMOYO: 2.6.0 [ 14.906611][ T1] Mandatory Access Control activated. [ 14.916047][ T1] pnp: PnP ACPI: disabled [ 15.921094][ T1] NET: Registered protocol family 2 [ 15.973730][ T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 2, 16384 bytes, linear) [ 15.978741][ T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 15.986644][ T1] TCP bind hash table entries: 16384 (order: 6, 262144 bytes, linear) [ 15.991028][ T1] TCP: Hash tables configured (established 16384 bind 16384) [ 16.007691][ T1] MPTCP token hash table entries: 2048 (order: 3, 49152 bytes, linear) [ 16.011052][ T1] UDP hash table entries: 1024 (order: 3, 32768 bytes, linear) [ 16.014364][ T1] UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes, linear) [ 16.041350][ T1] NET: Registered protocol family 1 [ 16.046000][ T1] NET: Registered protocol family 44 [ 16.047879][ T1] PCI: CLS 0 bytes, default 64 [ 16.200916][ T1] hw perfevents: enabled with armv8_pmuv3 PMU driver, 5 counters available [ 16.212360][ T1] kvm [1]: IPA Size Limit: 48 bits [ 16.218336][ T1] kvm [1]: vgic interrupt IRQ9 [ 16.228913][ T1] kvm [1]: VHE mode initialized successfully [ 16.841065][ T1] Initialise system trusted keyrings [ 16.851966][ T1] workingset: timestamp_bits=42 max_order=19 bucket_order=0 [ 17.716141][ T1] zbud: loaded [ 17.916871][ T1] DLM installed [ 18.233272][ T1] fuse: init (API version 7.33) [ 18.462028][ T1] NET: Registered protocol family 38 [ 18.471064][ T1] xor: measuring software checksum speed [ 18.758249][ T1] 8regs : 35 MB/sec [ 18.967087][ T1] 32regs : 49 MB/sec [ 19.112201][ T1] arm64_neon : 96 MB/sec [ 19.113600][ T1] xor: using function: arm64_neon (96 MB/sec) [ 19.115018][ T1] async_tx: api initialized (async) [ 19.115771][ T1] Key type asymmetric registered [ 19.116550][ T1] Asymmetric key parser 'x509' registered [ 19.118518][ T1] Asymmetric key parser 'pkcs8' registered [ 19.120583][ T1] Key type pkcs7_test registered [ 19.122970][ T1] Asymmetric key parser 'tpm_parser' registered [ 19.127202][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 244) [ 19.136014][ T1] io scheduler mq-deadline registered [ 19.136929][ T1] io scheduler kyber registered [ 19.154296][ T1] io scheduler bfq registered [ 19.279566][ T1] pl061_gpio 9030000.pl061: PL061 GPIO chip registered [ 19.372044][ T1] pci-host-generic 4010000000.pcie: host bridge /pcie@10000000 ranges: [ 19.376089][ T1] pci-host-generic 4010000000.pcie: IO 0x003eff0000..0x003effffff -> 0x0000000000 [ 19.378094][ T1] pci-host-generic 4010000000.pcie: MEM 0x0010000000..0x003efeffff -> 0x0010000000 [ 19.379327][ T1] pci-host-generic 4010000000.pcie: MEM 0x8000000000..0xffffffffff -> 0x8000000000 [ 19.381236][ T1] pci-host-generic 4010000000.pcie: Memory resource size exceeds max for 32 bits [ 19.385692][ T1] pci-host-generic 4010000000.pcie: ECAM at [mem 0x4010000000-0x401fffffff] for [bus 00-ff] [ 19.398573][ T1] pci-host-generic 4010000000.pcie: PCI host bridge to bus 0000:00 [ 19.399808][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 19.400757][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0xffff] [ 19.401718][ T1] pci_bus 0000:00: root bus resource [mem 0x10000000-0x3efeffff] [ 19.403234][ T1] pci_bus 0000:00: root bus resource [mem 0x8000000000-0xffffffffff] [ 19.406336][ T1] pci 0000:00:00.0: [1b36:0008] type 00 class 0x060000 [ 19.421482][ T1] pci 0000:00:01.0: [1af4:1005] type 00 class 0x00ff00 [ 19.424445][ T1] pci 0000:00:01.0: reg 0x10: [io 0x0000-0x001f] [ 19.425885][ T1] pci 0000:00:01.0: reg 0x20: [mem 0x00000000-0x00003fff 64bit pref] [ 19.445440][ T1] pci 0000:00:02.0: [1af4:1000] type 00 class 0x020000 [ 19.446600][ T1] pci 0000:00:02.0: reg 0x10: [io 0x0000-0x001f] [ 19.447539][ T1] pci 0000:00:02.0: reg 0x14: [mem 0x00000000-0x00000fff] [ 19.448728][ T1] pci 0000:00:02.0: reg 0x20: [mem 0x00000000-0x00003fff 64bit pref] [ 19.449806][ T1] pci 0000:00:02.0: reg 0x30: [mem 0x00000000-0x0003ffff pref] [ 19.465147][ T1] pci 0000:00:03.0: [1af4:1001] type 00 class 0x010000 [ 19.466436][ T1] pci 0000:00:03.0: reg 0x10: [io 0x0000-0x007f] [ 19.467400][ T1] pci 0000:00:03.0: reg 0x14: [mem 0x00000000-0x00000fff] [ 19.468575][ T1] pci 0000:00:03.0: reg 0x20: [mem 0x00000000-0x00003fff 64bit pref] [ 19.504791][ T1] pci 0000:00:02.0: BAR 6: assigned [mem 0x10000000-0x1003ffff pref] [ 19.506546][ T1] pci 0000:00:01.0: BAR 4: assigned [mem 0x8000000000-0x8000003fff 64bit pref] [ 19.508323][ T1] pci 0000:00:02.0: BAR 4: assigned [mem 0x8000004000-0x8000007fff 64bit pref] [ 19.510121][ T1] pci 0000:00:03.0: BAR 4: assigned [mem 0x8000008000-0x800000bfff 64bit pref] [ 19.511630][ T1] pci 0000:00:02.0: BAR 1: assigned [mem 0x10040000-0x10040fff] [ 19.513315][ T1] pci 0000:00:03.0: BAR 1: assigned [mem 0x10041000-0x10041fff] [ 19.514712][ T1] pci 0000:00:03.0: BAR 0: assigned [io 0x1000-0x107f] [ 19.517443][ T1] pci 0000:00:01.0: BAR 0: assigned [io 0x1080-0x109f] [ 19.518530][ T1] pci 0000:00:02.0: BAR 0: assigned [io 0x10a0-0x10bf] [ 19.539639][ T1] usbcore: registered new interface driver udlfb [ 19.583748][ T1] uvesafb: failed to execute /sbin/v86d [ 19.584913][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 19.586183][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 19.587451][ T1] uvesafb: vbe_init() failed with -22 [ 19.589495][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 19.597440][ T1] IPMI message handler: version 39.2 [ 19.602995][ T1] ipmi device interface [ 19.606273][ T1] ipmi_si: IPMI System Interface driver [ 19.637362][ T1] ipmi_si: Unable to find any System Interface(s) [ 19.668369][ T1] EINJ: ACPI disabled. [ 19.937976][ T1] virtio-pci 0000:00:01.0: enabling device (0000 -> 0003) [ 19.961108][ T1] virtio-pci 0000:00:02.0: enabling device (0000 -> 0003) [ 19.980975][ T1] virtio-pci 0000:00:03.0: enabling device (0000 -> 0003) [ 26.258506][ T1] N_HDLC line discipline registered with maxframe=4096 [ 26.260443][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 26.523303][ T1] Cyclades driver 2.6 [ 26.549438][ T1] Initializing Nozomi driver 2.1d [ 26.569690][ T1] RocketPort device driver module, version 2.09, 12-June-2003 [ 26.571626][ T1] No rocketport ports found; unloading driver [ 26.788323][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 26.875979][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 27.417422][ T1] Console: switching to colour frame buffer device 128x48 [ 27.555933][ T1] platform vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 27.580339][ T1] usbcore: registered new interface driver udl [ 27.787801][ T16] cacheinfo: Unable to detect cache hierarchy for CPU 0 [ 28.197441][ C0] ------------[ cut here ]------------ [ 28.198308][ C0] WARNING: CPU: 0 PID: 1 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 28.200297][ C0] Modules linked in: [ 28.201781][ C0] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 28.203067][ C0] Hardware name: linux,dummy-virt (DT) [ 28.204019][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 28.205200][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 28.207871][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 28.210106][ C0] sp : ffff800010003e30 [ 28.213317][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 28.214446][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 28.215541][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 28.216680][ C0] x23: 0000000000000080 x22: 000000065c126030 [ 28.217716][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 28.218718][ C0] x19: f9ff0000041e1498 x18: 00000000fffffffb [ 28.219758][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 28.220833][ C0] x15: 00000c2396d7a730 x14: 000000000000009a [ 28.221926][ C0] x13: 0000000000000001 x12: 0000000000000040 [ 28.222946][ C0] x11: f0ff000003400260 x10: f0ff000003400262 [ 28.223937][ C0] x9 : ffff8000127cbe78 x8 : 000000065b32fde0 [ 28.234030][ C0] x7 : 7fffffffffffffff x6 : 000000065b32fde0 [ 28.235486][ C0] x5 : 000000065b32fde0 x4 : f9ff0000041e1498 [ 28.236587][ C0] x3 : 000000065c3149e0 x2 : 000000065b32fde0 [ 28.237630][ C0] x1 : 000000065c3149e0 x0 : 0000000000000002 [ 28.238836][ C0] Call trace: [ 28.239460][ C0] vkms_vblank_simulate+0x120/0x130 [ 28.240295][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 28.241141][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 28.241883][ C0] arch_timer_handler_phys+0x38/0x50 [ 28.247495][ C0] handle_percpu_devid_irq+0x84/0x150 [ 28.248252][ C0] __handle_domain_irq+0x7c/0xe0 [ 28.248982][ C0] gic_handle_irq+0x50/0xd0 [ 28.249621][ C0] el1_irq+0xb4/0x180 [ 28.250247][ C0] queue_work_on+0x2c/0x80 [ 28.253667][ C0] call_usermodehelper_exec+0x134/0x200 [ 28.254551][ C0] kobject_uevent_env+0x578/0x690 [ 28.255336][ C0] kobject_uevent+0x14/0x20 [ 28.256060][ C0] __device_add_disk+0x230/0x490 [ 28.256834][ C0] device_add_disk+0x14/0x20 [ 28.257512][ C0] brd_init+0x168/0x214 [ 28.258265][ C0] do_one_initcall+0x50/0x1b0 [ 28.258940][ C0] kernel_init_freeable+0x1d8/0x240 [ 28.259752][ C0] kernel_init+0x14/0x118 [ 28.260501][ C0] ret_from_fork+0x10/0x34 [ 28.261457][ C0] ---[ end trace 389be3dcf46d9ab9 ]--- [ 28.264376][ C0] ------------[ cut here ]------------ [ 28.265159][ C0] WARNING: CPU: 0 PID: 1 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 28.266461][ C0] Modules linked in: [ 28.267294][ C0] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 28.268466][ C0] Hardware name: linux,dummy-virt (DT) [ 28.269132][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 28.269948][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 28.270714][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 28.271435][ C0] sp : ffff800010003e30 [ 28.272013][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 28.273755][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 28.274771][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 28.275822][ C0] x23: 0000000000000080 x22: 00000006601872c0 [ 28.276876][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 28.277890][ C0] x19: f9ff0000041e1498 x18: 00000000fffffffb [ 28.278846][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 28.279841][ C0] x15: 0000158bffffea74 x14: 0000000000000372 [ 28.280885][ C0] x13: 0000000000000001 x12: 0000000000000060 [ 28.281912][ C0] x11: 0000000000000001 x10: 0000000000000372 [ 28.284236][ C0] x9 : 0000000002e67055 x8 : 000000065f2c2de0 [ 28.285303][ C0] x7 : 7fffffffffffffff x6 : 000000065f2c2de0 [ 28.286270][ C0] x5 : 000000065f2c2de0 x4 : f9ff0000041e1498 [ 28.287224][ C0] x3 : 00000006602a79e0 x2 : 000000065f2c2de0 [ 28.288206][ C0] x1 : 00000006602a79e0 x0 : 0000000000000004 [ 28.289209][ C0] Call trace: [ 28.289723][ C0] vkms_vblank_simulate+0x120/0x130 [ 28.290452][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 28.291178][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 28.291866][ C0] arch_timer_handler_phys+0x38/0x50 [ 28.293407][ C0] handle_percpu_devid_irq+0x84/0x150 [ 28.294154][ C0] __handle_domain_irq+0x7c/0xe0 [ 28.294869][ C0] gic_handle_irq+0x50/0xd0 [ 28.295554][ C0] el1_irq+0xb4/0x180 [ 28.296205][ C0] queue_work_on+0x2c/0x80 [ 28.296929][ C0] call_usermodehelper_exec+0x134/0x200 [ 28.297647][ C0] kobject_uevent_env+0x578/0x690 [ 28.298343][ C0] kobject_uevent+0x14/0x20 [ 28.298964][ C0] __device_add_disk+0x230/0x490 [ 28.299656][ C0] device_add_disk+0x14/0x20 [ 28.300320][ C0] brd_init+0x168/0x214 [ 28.300998][ C0] do_one_initcall+0x50/0x1b0 [ 28.301661][ C0] kernel_init_freeable+0x1d8/0x240 [ 28.303717][ C0] kernel_init+0x14/0x118 [ 28.304446][ C0] ret_from_fork+0x10/0x34 [ 28.305198][ C0] ---[ end trace 389be3dcf46d9aba ]--- [ 28.306161][ C0] ------------[ cut here ]------------ [ 28.306812][ C0] WARNING: CPU: 0 PID: 1 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 28.307994][ C0] Modules linked in: [ 28.308700][ C0] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 28.309869][ C0] Hardware name: linux,dummy-virt (DT) [ 28.310547][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 28.311418][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 28.312189][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 28.314019][ C0] sp : ffff800010003e30 [ 28.314607][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 28.315642][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 28.316701][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 28.317757][ C0] x23: 0000000000000080 x22: 0000000662966320 [ 28.318754][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 28.319749][ C0] x19: f9ff0000041e1498 x18: 00000000fffffffb [ 28.320763][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 28.321805][ C0] x15: 0000158bffffea74 x14: 0000000000000372 [ 28.324241][ C0] x13: 0000000000000001 x12: 0000000000000060 [ 28.325309][ C0] x11: 0000000000000001 x10: 0000000000000372 [ 28.326286][ C0] x9 : ffff800012a0e000 x8 : 00000006622711e0 [ 28.327304][ C0] x7 : 7fffffffffffffff x6 : 00000006622711e0 [ 28.328275][ C0] x5 : 00000006622711e0 x4 : f9ff0000041e1498 [ 28.329304][ C0] x3 : 0000000663255de0 x2 : 00000006622711e0 [ 28.331207][ C0] x1 : 0000000663255de0 x0 : 0000000000000003 [ 28.334400][ C0] Call trace: [ 28.335742][ C0] vkms_vblank_simulate+0x120/0x130 [ 28.337730][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 28.339609][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 28.341474][ C0] arch_timer_handler_phys+0x38/0x50 [ 28.344024][ C0] handle_percpu_devid_irq+0x84/0x150 [ 28.344822][ C0] __handle_domain_irq+0x7c/0xe0 [ 28.345549][ C0] gic_handle_irq+0x50/0xd0 [ 28.346247][ C0] el1_irq+0xb4/0x180 [ 28.346882][ C0] queue_work_on+0x2c/0x80 [ 28.347557][ C0] call_usermodehelper_exec+0x134/0x200 [ 28.348314][ C0] kobject_uevent_env+0x578/0x690 [ 28.349053][ C0] kobject_uevent+0x14/0x20 [ 28.349719][ C0] __device_add_disk+0x230/0x490 [ 28.350434][ C0] device_add_disk+0x14/0x20 [ 28.351149][ C0] brd_init+0x168/0x214 [ 28.351792][ C0] do_one_initcall+0x50/0x1b0 [ 28.353247][ C0] kernel_init_freeable+0x1d8/0x240 [ 28.353999][ C0] kernel_init+0x14/0x118 [ 28.354668][ C0] ret_from_fork+0x10/0x34 [ 28.355357][ C0] ---[ end trace 389be3dcf46d9abb ]--- [ 28.356559][ C0] hrtimer: interrupt took 159670384 ns [ 28.456810][ C0] ------------[ cut here ]------------ [ 28.457605][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 28.458898][ C0] Modules linked in: [ 28.459575][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 28.461111][ C0] Hardware name: linux,dummy-virt (DT) [ 28.461926][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 28.463086][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 28.463935][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 28.465459][ C0] sp : ffff800010003e30 [ 28.466142][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 28.468782][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 28.471205][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 28.473794][ C0] x23: 0000000000000080 x22: 000000066b902750 [ 28.475260][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 28.477531][ C0] x19: f9ff0000041e1498 x18: 00000000fffffffe [ 28.478285][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 28.479035][ C0] x15: 0000057710ee6f22 x14: 000000000000ba7e [ 28.479785][ C0] x13: 000032ad4e0b9eac x12: 0000000000000040 [ 28.480567][ C0] x11: f0ff000003400260 x10: f0ff000003400262 [ 28.481286][ C0] x9 : ffff8000127cbe78 x8 : 000000066b17bde0 [ 28.482021][ C0] x7 : 7fffffffffffffff x6 : 000000066b17bde0 [ 28.485931][ C0] x5 : 000000066b17bde0 x4 : f9ff0000041e1498 [ 28.486768][ C0] x3 : 000000066c1609e0 x2 : 000000066b17bde0 [ 28.487422][ C0] x1 : 000000066c1609e0 x0 : 0000000000000009 [ 28.488318][ C0] Call trace: [ 28.488828][ C0] vkms_vblank_simulate+0x120/0x130 [ 28.489487][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 28.490123][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 28.490713][ C0] arch_timer_handler_phys+0x38/0x50 [ 28.491337][ C0] handle_percpu_devid_irq+0x84/0x150 [ 28.491967][ C0] __handle_domain_irq+0x7c/0xe0 [ 28.493448][ C0] gic_handle_irq+0x50/0xd0 [ 28.494012][ C0] el1_irq+0xb4/0x180 [ 28.494523][ C0] arch_cpu_idle+0x18/0x30 [ 28.495092][ C0] default_idle_call+0x24/0x6c [ 28.495687][ C0] do_idle+0x22c/0x29c [ 28.496258][ C0] cpu_startup_entry+0x24/0x70 [ 28.496890][ C0] rest_init+0xd8/0xe8 [ 28.497465][ C0] arch_call_rest_init+0x10/0x1c [ 28.498061][ C0] start_kernel+0x558/0x590 [ 28.498626][ C0] 0x0 [ 28.499361][ C0] ---[ end trace 389be3dcf46d9abc ]--- [ 28.500375][ C0] ------------[ cut here ]------------ [ 28.500963][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 28.502002][ C0] Modules linked in: [ 28.503103][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 28.504100][ C0] Hardware name: linux,dummy-virt (DT) [ 28.504778][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 28.505497][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 28.506149][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 28.506887][ C0] sp : ffff800010003e30 [ 28.507378][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 28.508274][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 28.509186][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 28.510003][ C0] x23: 0000000000000080 x22: 000000066e29caa0 [ 28.510899][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 28.511793][ C0] x19: f9ff0000041e1498 x18: 00000000fffffffe [ 28.513027][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 28.513893][ C0] x15: 0000057710ee6f22 x14: 000000000000ba7e [ 28.514742][ C0] x13: 00004420310f8c24 x12: 011082ebdef85310 [ 28.515634][ C0] x11: 000000000000b67e x10: 0000000000004e69 [ 28.516554][ C0] x9 : 0000000000004420 x8 : 000000066e12a1e0 [ 28.517310][ C0] x7 : 7fffffffffffffff x6 : 000000066e12a1e0 [ 28.518163][ C0] x5 : 000000066e12a1e0 x4 : f9ff0000041e1498 [ 28.518933][ C0] x3 : 000000066f10ede0 x2 : 000000066e12a1e0 [ 28.519691][ C0] x1 : 000000066f10ede0 x0 : 0000000000000003 [ 28.520448][ C0] Call trace: [ 28.520861][ C0] vkms_vblank_simulate+0x120/0x130 [ 28.521460][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 28.522038][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 28.523133][ C0] arch_timer_handler_phys+0x38/0x50 [ 28.524536][ C0] handle_percpu_devid_irq+0x84/0x150 [ 28.526258][ C0] __handle_domain_irq+0x7c/0xe0 [ 28.527187][ C0] gic_handle_irq+0x50/0xd0 [ 28.527749][ C0] el1_irq+0xb4/0x180 [ 28.528232][ C0] arch_cpu_idle+0x18/0x30 [ 28.529933][ C0] default_idle_call+0x24/0x6c [ 28.530703][ C0] do_idle+0x22c/0x29c [ 28.531258][ C0] cpu_startup_entry+0x24/0x70 [ 28.531828][ C0] rest_init+0xd8/0xe8 [ 28.533183][ C0] arch_call_rest_init+0x10/0x1c [ 28.534637][ C0] start_kernel+0x558/0x590 [ 28.535268][ C0] 0x0 [ 28.536431][ C0] ---[ end trace 389be3dcf46d9abd ]--- [ 28.538868][ C0] ------------[ cut here ]------------ [ 28.540895][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 28.545075][ C0] Modules linked in: [ 28.546689][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 28.550267][ C0] Hardware name: linux,dummy-virt (DT) [ 28.551990][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 28.554083][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 28.554814][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 28.555512][ C0] sp : ffff800010003e30 [ 28.556041][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 28.557034][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 28.557984][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 28.558717][ C0] x23: 0000000000000080 x22: 0000000670735030 [ 28.559274][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 28.559826][ C0] x19: f9ff0000041e1498 x18: 00000000fffffffe [ 28.560370][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 28.561009][ C0] x15: 0000057710ee6f22 x14: 000000000000ba7e [ 28.561639][ C0] x13: 00004f295fe6fb64 x12: 00000000000000ee [ 28.562189][ C0] x11: 0000000000000002 x10: 0000000000000000 [ 28.564664][ C0] x9 : ffff00007fbc1c40 x8 : 00000006700f39e0 [ 28.566187][ C0] x7 : 7fffffffffffffff x6 : 00000006700f39e0 [ 28.567027][ C0] x5 : 00000006700f39e0 x4 : f9ff0000041e1498 [ 28.567912][ C0] x3 : 00000006710d85e0 x2 : 00000006700f39e0 [ 28.568807][ C0] x1 : 00000006710d85e0 x0 : 0000000000000002 [ 28.569695][ C0] Call trace: [ 28.570215][ C0] vkms_vblank_simulate+0x120/0x130 [ 28.570926][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 28.571668][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 28.572609][ C0] arch_timer_handler_phys+0x38/0x50 [ 28.573400][ C0] handle_percpu_devid_irq+0x84/0x150 [ 28.574099][ C0] __handle_domain_irq+0x7c/0xe0 [ 28.574760][ C0] gic_handle_irq+0x50/0xd0 [ 28.575399][ C0] el1_irq+0xb4/0x180 [ 28.576019][ C0] arch_cpu_idle+0x18/0x30 [ 28.576770][ C0] default_idle_call+0x24/0x6c [ 28.577424][ C0] do_idle+0x22c/0x29c [ 28.578090][ C0] cpu_startup_entry+0x24/0x70 [ 28.578783][ C0] rest_init+0xd8/0xe8 [ 28.579462][ C0] arch_call_rest_init+0x10/0x1c [ 28.580207][ C0] start_kernel+0x558/0x590 [ 28.581798][ C0] 0x0 [ 28.584149][ C0] ---[ end trace 389be3dcf46d9abe ]--- [ 28.687210][ C0] ------------[ cut here ]------------ [ 28.688133][ C0] WARNING: CPU: 0 PID: 2013 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 28.689462][ C0] Modules linked in: [ 28.690283][ C0] CPU: 0 PID: 2013 Comm: kworker/u4:4 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 28.693839][ C0] Hardware name: linux,dummy-virt (DT) [ 28.694733][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 28.695719][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 28.696610][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 28.697395][ C0] sp : ffff800010003e30 [ 28.697974][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 28.699051][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 28.700064][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 28.701198][ C0] x23: 0000000000000080 x22: 00000006794c5040 [ 28.702641][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 28.703745][ C0] x19: f9ff0000041e1498 x18: 00000000fffffffe [ 28.704831][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 28.705918][ C0] x15: 0000000000000002 x14: 0000000000001ffe [ 28.709702][ C0] x13: 0000000000000028 x12: 0000000000000040 [ 28.713723][ C0] x11: f0ff000003400260 x10: f0ff000003400262 [ 28.714928][ C0] x9 : ffff8000127cbe78 x8 : 0000000678ffe5e0 [ 28.716045][ C0] x7 : 7fffffffffffffff x6 : 0000000678ffe5e0 [ 28.717108][ C0] x5 : 0000000678ffe5e0 x4 : f9ff0000041e1498 [ 28.718005][ C0] x3 : 0000000679fe31e0 x2 : 0000000678ffe5e0 [ 28.718983][ C0] x1 : 0000000679fe31e0 x0 : 0000000000000009 [ 28.719970][ C0] Call trace: [ 28.720535][ C0] vkms_vblank_simulate+0x120/0x130 [ 28.721377][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 28.722154][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 28.722929][ C0] arch_timer_handler_phys+0x38/0x50 [ 28.723678][ C0] handle_percpu_devid_irq+0x84/0x150 [ 28.724514][ C0] __handle_domain_irq+0x7c/0xe0 [ 28.725248][ C0] gic_handle_irq+0x50/0xd0 [ 28.725925][ C0] el1_irq+0xb4/0x180 [ 28.726601][ C0] mem_cgroup_from_task+0x8/0x24 [ 28.727307][ C0] __get_user_pages+0x258/0x420 [ 28.728106][ C0] __get_user_pages_remote+0xd4/0x2f0 [ 28.730554][ C0] get_user_pages_remote+0x28/0x40 [ 28.733472][ C0] get_arg_page+0x44/0xc0 [ 28.735421][ C0] copy_string_kernel+0xb0/0x240 [ 28.737885][ C0] kernel_execve+0xd0/0x1a0 [ 28.738600][ C0] call_usermodehelper_exec_async+0xcc/0x140 [ 28.739430][ C0] ret_from_fork+0x10/0x34 [ 28.740279][ C0] ---[ end trace 389be3dcf46d9abf ]--- [ 28.741688][ C0] ------------[ cut here ]------------ [ 28.742567][ C0] WARNING: CPU: 0 PID: 2013 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 28.744750][ C0] Modules linked in: [ 28.745509][ C0] CPU: 0 PID: 2013 Comm: kworker/u4:4 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 28.748483][ C0] Hardware name: linux,dummy-virt (DT) [ 28.749206][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 28.750043][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 28.750793][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 28.751541][ C0] sp : ffff800010003e30 [ 28.752137][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 28.753389][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 28.754381][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 28.755340][ C0] x23: 0000000000000080 x22: 000000067c8b1800 [ 28.756214][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 28.757178][ C0] x19: f9ff0000041e1498 x18: 00000000fffffffe [ 28.758132][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 28.759158][ C0] x15: 00003b77997aaf26 x14: 00000000000000a3 [ 28.760194][ C0] x13: 0000000000000001 x12: 0000000000000006 [ 28.761316][ C0] x11: 0000000000000002 x10: 00000000000000a3 [ 28.762537][ C0] x9 : 0000000005b943f9 x8 : 000000067bfac9e0 [ 28.763683][ C0] x7 : 7fffffffffffffff x6 : 000000067bfac9e0 [ 28.764814][ C0] x5 : 000000067bfac9e0 x4 : f9ff0000041e1498 [ 28.765865][ C0] x3 : 000000067cf915e0 x2 : 000000067bfac9e0 [ 28.767148][ C0] x1 : 000000067cf915e0 x0 : 0000000000000003 [ 28.768362][ C0] Call trace: [ 28.768998][ C0] vkms_vblank_simulate+0x120/0x130 [ 28.770107][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 28.774278][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 28.775024][ C0] arch_timer_handler_phys+0x38/0x50 [ 28.775741][ C0] handle_percpu_devid_irq+0x84/0x150 [ 28.776538][ C0] __handle_domain_irq+0x7c/0xe0 [ 28.777638][ C0] gic_handle_irq+0x50/0xd0 [ 28.778578][ C0] el1_irq+0xb4/0x180 [ 28.779289][ C0] mem_cgroup_from_task+0x8/0x24 [ 28.780066][ C0] __get_user_pages+0x258/0x420 [ 28.780823][ C0] __get_user_pages_remote+0xd4/0x2f0 [ 28.781614][ C0] get_user_pages_remote+0x28/0x40 [ 28.782490][ C0] get_arg_page+0x44/0xc0 [ 28.783221][ C0] copy_string_kernel+0xb0/0x240 [ 28.783961][ C0] kernel_execve+0xd0/0x1a0 [ 28.784812][ C0] call_usermodehelper_exec_async+0xcc/0x140 [ 28.786965][ C0] ret_from_fork+0x10/0x34 [ 28.787850][ C0] ---[ end trace 389be3dcf46d9ac0 ]--- [ 28.789139][ C0] ------------[ cut here ]------------ [ 28.789832][ C0] WARNING: CPU: 0 PID: 2013 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 28.791123][ C0] Modules linked in: [ 28.791864][ C0] CPU: 0 PID: 2013 Comm: kworker/u4:4 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 28.793970][ C0] Hardware name: linux,dummy-virt (DT) [ 28.795060][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 28.796451][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 28.797777][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 28.798753][ C0] sp : ffff800010003e30 [ 28.800411][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 28.801890][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 28.804322][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 28.806452][ C0] x23: 0000000000000080 x22: 000000067f5bf870 [ 28.808022][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 28.809479][ C0] x19: f9ff0000041e1498 x18: 00000000fffffffe [ 28.814129][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 28.815937][ C0] x15: 000045176836a410 x14: 00000000000001fa [ 28.820871][ C0] x13: 0000000000000001 x12: 0000000000000003 [ 28.826395][ C0] x11: 0000000000000002 x10: 00000000000001fa [ 28.829527][ C0] x9 : 0000000005c3d5b8 x8 : 000000067ef5ade0 [ 28.830526][ C0] x7 : 7fffffffffffffff x6 : 000000067ef5ade0 [ 28.831687][ C0] x5 : 000000067ef5ade0 x4 : f9ff0000041e1498 [ 28.834484][ C0] x3 : 000000067ff3f9e0 x2 : 000000067ef5ade0 [ 28.836078][ C0] x1 : 000000067ff3f9e0 x0 : 0000000000000003 [ 28.838843][ C0] Call trace: [ 28.840576][ C0] vkms_vblank_simulate+0x120/0x130 [ 28.842504][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 28.845560][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 28.846399][ C0] arch_timer_handler_phys+0x38/0x50 [ 28.847151][ C0] handle_percpu_devid_irq+0x84/0x150 [ 28.847891][ C0] __handle_domain_irq+0x7c/0xe0 [ 28.848671][ C0] gic_handle_irq+0x50/0xd0 [ 28.849438][ C0] el1_irq+0xb4/0x180 [ 28.850085][ C0] mem_cgroup_from_task+0x8/0x24 [ 28.850808][ C0] __get_user_pages+0x258/0x420 [ 28.851543][ C0] __get_user_pages_remote+0xd4/0x2f0 [ 28.852778][ C0] get_user_pages_remote+0x28/0x40 [ 28.854776][ C0] get_arg_page+0x44/0xc0 [ 28.856129][ C0] copy_string_kernel+0xb0/0x240 [ 28.857946][ C0] kernel_execve+0xd0/0x1a0 [ 28.859816][ C0] call_usermodehelper_exec_async+0xcc/0x140 [ 28.862153][ C0] ret_from_fork+0x10/0x34 [ 28.864523][ C0] ---[ end trace 389be3dcf46d9ac1 ]--- [ 28.967091][ C0] ------------[ cut here ]------------ [ 28.968364][ C0] WARNING: CPU: 0 PID: 2023 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 28.969761][ C0] Modules linked in: [ 28.970576][ C0] CPU: 0 PID: 2023 Comm: kworker/u4:4 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 28.971843][ C0] Hardware name: linux,dummy-virt (DT) [ 28.973181][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 28.974077][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 28.974858][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 28.975664][ C0] sp : ffff800010003e30 [ 28.977348][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 28.978485][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 28.979819][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 28.982187][ C0] x23: 0000000000000080 x22: 0000000689f87c10 [ 28.983457][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 28.984787][ C0] x19: f9ff0000041e1498 x18: 0000000000000014 [ 28.986172][ C0] x17: 000000005f315ae7 x16: 00000000d8301d95 [ 28.988503][ C0] x15: 0000000000000002 x14: 0000000000000001 [ 28.989816][ C0] x13: 000098915b31de7e x12: 026261336aa37f38 [ 28.990901][ C0] x11: 000000000000b67e x10: 0000000000000001 [ 28.993860][ C0] x9 : 0000000000000400 x8 : 0000000689e2f1e0 [ 28.994886][ C0] x7 : 7fffffffffffffff x6 : 0000000689e2f1e0 [ 28.996188][ C0] x5 : 0000000689e2f1e0 x4 : f9ff0000041e1498 [ 28.997566][ C0] x3 : 000000068ae13de0 x2 : 0000000689e2f1e0 [ 28.998520][ C0] x1 : 000000068ae13de0 x0 : 000000000000000b [ 28.999465][ C0] Call trace: [ 28.999974][ C0] vkms_vblank_simulate+0x120/0x130 [ 29.001782][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 29.004180][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 29.005203][ C0] arch_timer_handler_phys+0x38/0x50 [ 29.006281][ C0] handle_percpu_devid_irq+0x84/0x150 [ 29.007234][ C0] __handle_domain_irq+0x7c/0xe0 [ 29.007911][ C0] gic_handle_irq+0x50/0xd0 [ 29.008627][ C0] el1_irq+0xb4/0x180 [ 29.009813][ C0] path_put+0x0/0x34 [ 29.010572][ C0] do_exit+0x724/0xa30 [ 29.011278][ C0] call_usermodehelper_exec_async+0x118/0x140 [ 29.012047][ C0] ret_from_fork+0x10/0x34 [ 29.014275][ C0] ---[ end trace 389be3dcf46d9ac2 ]--- [ 29.017236][ C0] ------------[ cut here ]------------ [ 29.017883][ C0] WARNING: CPU: 0 PID: 2023 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 29.019786][ C0] Modules linked in: [ 29.020932][ C0] CPU: 0 PID: 2023 Comm: kworker/u4:4 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 29.025336][ C0] Hardware name: linux,dummy-virt (DT) [ 29.026172][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 29.027305][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 29.028451][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 29.029179][ C0] sp : ffff800010003e30 [ 29.029744][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 29.031385][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 29.032951][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 29.034016][ C0] x23: 0000000000000080 x22: 000000068cf5de70 [ 29.036253][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 29.037378][ C0] x19: f9ff0000041e1498 x18: 0000000000000014 [ 29.038475][ C0] x17: 000000005f315ae7 x16: 00000000d8301d95 [ 29.039531][ C0] x15: 0000000000000002 x14: 0000000000000001 [ 29.040666][ C0] x13: 0000a87df7d407ec x12: 02a2070227919676 [ 29.041779][ C0] x11: 000000000000b67e x10: 0000000000000001 [ 29.043166][ C0] x9 : 0000000000000800 x8 : 000000068cddd5e0 [ 29.044560][ C0] x7 : 7fffffffffffffff x6 : 000000068cddd5e0 [ 29.045705][ C0] x5 : 000000068cddd5e0 x4 : f9ff0000041e1498 [ 29.047871][ C0] x3 : 000000068ddc21e0 x2 : 000000068cddd5e0 [ 29.048887][ C0] x1 : 000000068ddc21e0 x0 : 0000000000000003 [ 29.049860][ C0] Call trace: [ 29.050375][ C0] vkms_vblank_simulate+0x120/0x130 [ 29.051146][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 29.051847][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 29.060622][ C0] arch_timer_handler_phys+0x38/0x50 [ 29.061531][ C0] handle_percpu_devid_irq+0x84/0x150 [ 29.062366][ C0] __handle_domain_irq+0x7c/0xe0 [ 29.063436][ C0] gic_handle_irq+0x50/0xd0 [ 29.064224][ C0] el1_irq+0xb4/0x180 [ 29.065026][ C0] path_put+0x0/0x34 [ 29.066326][ C0] do_exit+0x724/0xa30 [ 29.067555][ C0] call_usermodehelper_exec_async+0x118/0x140 [ 29.068490][ C0] ret_from_fork+0x10/0x34 [ 29.069250][ C0] ---[ end trace 389be3dcf46d9ac3 ]--- [ 29.070619][ C0] ------------[ cut here ]------------ [ 29.071426][ C0] WARNING: CPU: 0 PID: 2023 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 29.072908][ C0] Modules linked in: [ 29.074270][ C0] CPU: 0 PID: 2023 Comm: kworker/u4:4 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 29.075607][ C0] Hardware name: linux,dummy-virt (DT) [ 29.076902][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 29.077817][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 29.078609][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 29.079514][ C0] sp : ffff800010003e30 [ 29.080371][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 29.081834][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 29.083035][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 29.084133][ C0] x23: 0000000000000080 x22: 0000000690230270 [ 29.085412][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 29.086507][ C0] x19: f9ff0000041e1498 x18: 0000000000000014 [ 29.087675][ C0] x17: 000000005f315ae7 x16: 00000000d8301d95 [ 29.088769][ C0] x15: 000049ea74c62fdc x14: 000000000000011e [ 29.089897][ C0] x13: 0000000000000001 x12: 0000000000000007 [ 29.091020][ C0] x11: 0000000000000002 x10: 000000000000011e [ 29.092579][ C0] x9 : 0000000005cfab5a x8 : 000000068fd8b9e0 [ 29.093685][ C0] x7 : 7fffffffffffffff x6 : 000000068fd8b9e0 [ 29.094946][ C0] x5 : 000000068fd8b9e0 x4 : f9ff0000041e1498 [ 29.096090][ C0] x3 : 0000000690d705e0 x2 : 000000068fd8b9e0 [ 29.097402][ C0] x1 : 0000000690d705e0 x0 : 0000000000000003 [ 29.098549][ C0] Call trace: [ 29.099098][ C0] vkms_vblank_simulate+0x120/0x130 [ 29.099896][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 29.100722][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 29.101502][ C0] arch_timer_handler_phys+0x38/0x50 [ 29.102396][ C0] handle_percpu_devid_irq+0x84/0x150 [ 29.103341][ C0] __handle_domain_irq+0x7c/0xe0 [ 29.104091][ C0] gic_handle_irq+0x50/0xd0 [ 29.104831][ C0] el1_irq+0xb4/0x180 [ 29.105513][ C0] path_put+0x0/0x34 [ 29.106202][ C0] do_exit+0x724/0xa30 [ 29.106878][ C0] call_usermodehelper_exec_async+0x118/0x140 [ 29.107698][ C0] ret_from_fork+0x10/0x34 [ 29.108488][ C0] ---[ end trace 389be3dcf46d9ac4 ]--- [ 29.174622][ T1] brd: module loaded [ 29.222842][ C0] ------------[ cut here ]------------ [ 29.223597][ C0] WARNING: CPU: 0 PID: 122 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 29.224857][ C0] Modules linked in: [ 29.225519][ C0] CPU: 0 PID: 122 Comm: kworker/u4:4 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 29.226709][ C0] Hardware name: linux,dummy-virt (DT) [ 29.228464][ C0] Workqueue: 0x0 (events_unbound) [ 29.229496][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 29.230290][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 29.230946][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 29.231604][ C0] sp : ffff800010003e30 [ 29.232111][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 29.233085][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 29.234112][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 29.235127][ C0] x23: 0000000000000080 x22: 0000000699369d30 [ 29.242420][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 29.243572][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 29.244961][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 29.246065][ C0] x15: 000019e222fecf2a x14: 0000000000000337 [ 29.247112][ C0] x13: 0000000000000001 x12: 0000000000000007 [ 29.248137][ C0] x11: 0000000000000001 x10: 0000000000000337 [ 29.249229][ C0] x9 : 0000000001278691 x8 : 0000000698c965e0 [ 29.250325][ C0] x7 : 7fffffffffffffff x6 : 0000000698c965e0 [ 29.251448][ C0] x5 : 0000000698c965e0 x4 : f9ff0000041e1498 [ 29.253093][ C0] x3 : 0000000699c7b1e0 x2 : 0000000698c965e0 [ 29.254792][ C0] x1 : 0000000699c7b1e0 x0 : 0000000000000009 [ 29.255789][ C0] Call trace: [ 29.256336][ C0] vkms_vblank_simulate+0x120/0x130 [ 29.257172][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 29.258056][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 29.258741][ C0] arch_timer_handler_phys+0x38/0x50 [ 29.259481][ C0] handle_percpu_devid_irq+0x84/0x150 [ 29.260211][ C0] __handle_domain_irq+0x7c/0xe0 [ 29.260965][ C0] gic_handle_irq+0x50/0xd0 [ 29.261659][ C0] el1_irq+0xb4/0x180 [ 29.263023][ C0] _raw_spin_unlock_irq+0x14/0x50 [ 29.263780][ C0] __schedule+0x2dc/0x794 [ 29.264486][ C0] schedule+0x70/0x10c [ 29.265121][ C0] worker_thread+0xdc/0x434 [ 29.265797][ C0] kthread+0x174/0x180 [ 29.266483][ C0] ret_from_fork+0x10/0x34 [ 29.267158][ C0] ---[ end trace 389be3dcf46d9ac5 ]--- [ 29.268102][ C0] ------------[ cut here ]------------ [ 29.268665][ C0] WARNING: CPU: 0 PID: 122 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 29.269650][ C0] Modules linked in: [ 29.270259][ C0] CPU: 0 PID: 122 Comm: kworker/u4:4 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 29.271338][ C0] Hardware name: linux,dummy-virt (DT) [ 29.272112][ C0] Workqueue: 0x0 (events_unbound) [ 29.273280][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 29.274664][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 29.275397][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 29.276903][ C0] sp : ffff800010003e30 [ 29.278619][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 29.280782][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 29.294846][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 29.295832][ C0] x23: 0000000000000080 x22: 000000069bec3770 [ 29.296823][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 29.297784][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 29.298732][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 29.299712][ C0] x15: 000019e222fecf2a x14: 0000000000000337 [ 29.300758][ C0] x13: 0000000000000001 x12: 0000000000000007 [ 29.301741][ C0] x11: 0000000000000001 x10: 0000000000000337 [ 29.302901][ C0] x9 : ffff800012a0e000 x8 : 000000069bc449e0 [ 29.303827][ C0] x7 : 7fffffffffffffff x6 : 000000069bc449e0 [ 29.304763][ C0] x5 : 000000069bc449e0 x4 : f9ff0000041e1498 [ 29.305676][ C0] x3 : 000000069cc295e0 x2 : 000000069bc449e0 [ 29.306612][ C0] x1 : 000000069cc295e0 x0 : 0000000000000003 [ 29.307542][ C0] Call trace: [ 29.308034][ C0] vkms_vblank_simulate+0x120/0x130 [ 29.308744][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 29.309428][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 29.310060][ C0] arch_timer_handler_phys+0x38/0x50 [ 29.310733][ C0] handle_percpu_devid_irq+0x84/0x150 [ 29.311413][ C0] __handle_domain_irq+0x7c/0xe0 [ 29.312061][ C0] gic_handle_irq+0x50/0xd0 [ 29.313158][ C0] el1_irq+0xb4/0x180 [ 29.313913][ C0] _raw_spin_unlock_irq+0x14/0x50 [ 29.314708][ C0] __schedule+0x2dc/0x794 [ 29.315434][ C0] schedule+0x70/0x10c [ 29.316145][ C0] worker_thread+0xdc/0x434 [ 29.316829][ C0] kthread+0x174/0x180 [ 29.317456][ C0] ret_from_fork+0x10/0x34 [ 29.318126][ C0] ---[ end trace 389be3dcf46d9ac6 ]--- [ 29.320562][ C0] ------------[ cut here ]------------ [ 29.323339][ C0] WARNING: CPU: 0 PID: 122 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 29.325021][ C0] Modules linked in: [ 29.325722][ C0] CPU: 0 PID: 122 Comm: kworker/u4:4 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 29.327198][ C0] Hardware name: linux,dummy-virt (DT) [ 29.328615][ C0] Workqueue: 0x0 (events_unbound) [ 29.329770][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 29.330633][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 29.331434][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 29.334058][ C0] sp : ffff800010003e30 [ 29.336337][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 29.338919][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 29.339979][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 29.341080][ C0] x23: 0000000000000080 x22: 000000069f0c26d0 [ 29.342782][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 29.346946][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 29.351718][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 29.354245][ C0] x15: 0000072d9da31200 x14: 00000000000001c4 [ 29.356690][ C0] x13: 0000000000000001 x12: 000000000000005d [ 29.357840][ C0] x11: 0000000000000001 x10: 00000000000001c4 [ 29.358931][ C0] x9 : 0000000002a55bc1 x8 : 000000069ebf2de0 [ 29.360211][ C0] x7 : 7fffffffffffffff x6 : 000000069ebf2de0 [ 29.363968][ C0] x5 : 000000069ebf2de0 x4 : f9ff0000041e1498 [ 29.365278][ C0] x3 : 000000069fbd79e0 x2 : 000000069ebf2de0 [ 29.367225][ C0] x1 : 000000069fbd79e0 x0 : 0000000000000003 [ 29.368323][ C0] Call trace: [ 29.369209][ C0] vkms_vblank_simulate+0x120/0x130 [ 29.371854][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 29.375450][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 29.376263][ C0] arch_timer_handler_phys+0x38/0x50 [ 29.377216][ C0] handle_percpu_devid_irq+0x84/0x150 [ 29.380710][ C0] __handle_domain_irq+0x7c/0xe0 [ 29.382052][ C0] gic_handle_irq+0x50/0xd0 [ 29.384474][ C0] el1_irq+0xb4/0x180 [ 29.385158][ C0] _raw_spin_unlock_irq+0x14/0x50 [ 29.385973][ C0] __schedule+0x2dc/0x794 [ 29.387588][ C0] schedule+0x70/0x10c [ 29.390360][ C0] worker_thread+0xdc/0x434 [ 29.391173][ C0] kthread+0x174/0x180 [ 29.391852][ C0] ret_from_fork+0x10/0x34 [ 29.392898][ C0] ---[ end trace 389be3dcf46d9ac7 ]--- [ 29.494399][ C0] ------------[ cut here ]------------ [ 29.495120][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 29.496221][ C0] Modules linked in: [ 29.496857][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 29.497934][ C0] Hardware name: linux,dummy-virt (DT) [ 29.498554][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 29.499332][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 29.500010][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 29.500638][ C0] sp : ffff800010003e30 [ 29.501161][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 29.502047][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 29.504992][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 29.505993][ C0] x23: 0000000000000080 x22: 00000006a9671030 [ 29.506957][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 29.507797][ C0] x19: f9ff0000041e1498 x18: 0000000000000014 [ 29.508590][ C0] x17: 000000009ac5efc9 x16: 0000000060005574 [ 29.509339][ C0] x15: 00000000e038443a x14: 000000000000ba7e [ 29.510087][ C0] x13: 000030b0146b76a0 x12: 000000000000031e [ 29.510792][ C0] x11: 0000000000000001 x10: 0000000000000000 [ 29.511646][ C0] x9 : ffff00007fbc1c40 x8 : 00000006a8ae25e0 [ 29.514695][ C0] x7 : 7fffffffffffffff x6 : 00000006a8ae25e0 [ 29.515436][ C0] x5 : 00000006a8ae25e0 x4 : f9ff0000041e1498 [ 29.517174][ C0] x3 : 00000006a9ac71e0 x2 : 00000006a8ae25e0 [ 29.518158][ C0] x1 : 00000006a9ac71e0 x0 : 000000000000000a [ 29.519145][ C0] Call trace: [ 29.519702][ C0] vkms_vblank_simulate+0x120/0x130 [ 29.520516][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 29.521271][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 29.522014][ C0] arch_timer_handler_phys+0x38/0x50 [ 29.522872][ C0] handle_percpu_devid_irq+0x84/0x150 [ 29.523743][ C0] __handle_domain_irq+0x7c/0xe0 [ 29.524734][ C0] gic_handle_irq+0x50/0xd0 [ 29.525360][ C0] el1_irq+0xb4/0x180 [ 29.525954][ C0] arch_cpu_idle+0x18/0x30 [ 29.526624][ C0] default_idle_call+0x24/0x6c [ 29.527283][ C0] do_idle+0x22c/0x29c [ 29.527893][ C0] cpu_startup_entry+0x24/0x70 [ 29.528612][ C0] rest_init+0xd8/0xe8 [ 29.529255][ C0] arch_call_rest_init+0x10/0x1c [ 29.529971][ C0] start_kernel+0x558/0x590 [ 29.531005][ C0] 0x0 [ 29.531631][ C0] ---[ end trace 389be3dcf46d9ac8 ]--- [ 29.532796][ C0] ------------[ cut here ]------------ [ 29.533443][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 29.534624][ C0] Modules linked in: [ 29.535225][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 29.536540][ C0] Hardware name: linux,dummy-virt (DT) [ 29.537169][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 29.537994][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 29.538731][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 29.539499][ C0] sp : ffff800010003e30 [ 29.540120][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 29.541314][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 29.543294][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 29.544363][ C0] x23: 0000000000000080 x22: 00000006abb1c620 [ 29.545422][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 29.546443][ C0] x19: f9ff0000041e1498 x18: 0000000000000014 [ 29.547446][ C0] x17: 000000009ac5efc9 x16: 0000000060005574 [ 29.548505][ C0] x15: 00000000e038443a x14: 000000000000ba7e [ 29.549534][ C0] x13: 000030b0146b76a0 x12: 000000000000031e [ 29.550580][ C0] x11: 0000000000000001 x10: 0000000000000000 [ 29.551621][ C0] x9 : ffff800012a0e000 x8 : 00000006aba909e0 [ 29.552939][ C0] x7 : 7fffffffffffffff x6 : 00000006aba909e0 [ 29.554024][ C0] x5 : 00000006aba909e0 x4 : f9ff0000041e1498 [ 29.555030][ C0] x3 : 00000006aca755e0 x2 : 00000006aba909e0 [ 29.556088][ C0] x1 : 00000006aca755e0 x0 : 0000000000000003 [ 29.557152][ C0] Call trace: [ 29.557681][ C0] vkms_vblank_simulate+0x120/0x130 [ 29.558431][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 29.559201][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 29.559944][ C0] arch_timer_handler_phys+0x38/0x50 [ 29.560841][ C0] handle_percpu_devid_irq+0x84/0x150 [ 29.561623][ C0] __handle_domain_irq+0x7c/0xe0 [ 29.562413][ C0] gic_handle_irq+0x50/0xd0 [ 29.563123][ C0] el1_irq+0xb4/0x180 [ 29.563762][ C0] arch_cpu_idle+0x18/0x30 [ 29.564436][ C0] default_idle_call+0x24/0x6c [ 29.565111][ C0] do_idle+0x22c/0x29c [ 29.565729][ C0] cpu_startup_entry+0x24/0x70 [ 29.566414][ C0] rest_init+0xd8/0xe8 [ 29.567000][ C0] arch_call_rest_init+0x10/0x1c [ 29.567676][ C0] start_kernel+0x558/0x590 [ 29.568337][ C0] 0x0 [ 29.568889][ C0] ---[ end trace 389be3dcf46d9ac9 ]--- [ 29.569925][ C0] ------------[ cut here ]------------ [ 29.570592][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 29.571837][ C0] Modules linked in: [ 29.572685][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 29.574125][ C0] Hardware name: linux,dummy-virt (DT) [ 29.574844][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 29.575723][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 29.576536][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 29.577334][ C0] sp : ffff800010003e30 [ 29.577931][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 29.579715][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 29.580790][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 29.581828][ C0] x23: 0000000000000080 x22: 00000006ade9eee0 [ 29.583099][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 29.584124][ C0] x19: f9ff0000041e1498 x18: 0000000000000014 [ 29.585253][ C0] x17: 000000009ac5efc9 x16: 0000000060005574 [ 29.586391][ C0] x15: 00000000e038443a x14: 000000000000ba7e [ 29.587458][ C0] x13: ffff8000126b7000 x12: 0000000000000336 [ 29.588570][ C0] x11: 0000000000000048 x10: 0000000000000000 [ 29.589651][ C0] x9 : ffff00007fbc1c40 x8 : 00000006ada5a1e0 [ 29.590630][ C0] x7 : 7fffffffffffffff x6 : 00000006ada5a1e0 [ 29.591707][ C0] x5 : 00000006ada5a1e0 x4 : f9ff0000041e1498 [ 29.593541][ C0] x3 : 00000006aea3ede0 x2 : 00000006ada5a1e0 [ 29.594684][ C0] x1 : 00000006aea3ede0 x0 : 0000000000000002 [ 29.595705][ C0] Call trace: [ 29.596016][ C0] vkms_vblank_simulate+0x120/0x130 [ 29.596533][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 29.597049][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 29.597611][ C0] arch_timer_handler_phys+0x38/0x50 [ 29.598273][ C0] handle_percpu_devid_irq+0x84/0x150 [ 29.598907][ C0] __handle_domain_irq+0x7c/0xe0 [ 29.599495][ C0] gic_handle_irq+0x50/0xd0 [ 29.600019][ C0] el1_irq+0xb4/0x180 [ 29.600611][ C0] arch_cpu_idle+0x18/0x30 [ 29.601140][ C0] default_idle_call+0x24/0x6c [ 29.601709][ C0] do_idle+0x22c/0x29c [ 29.602320][ C0] cpu_startup_entry+0x24/0x70 [ 29.603229][ C0] rest_init+0xd8/0xe8 [ 29.603745][ C0] arch_call_rest_init+0x10/0x1c [ 29.604374][ C0] start_kernel+0x558/0x590 [ 29.604863][ C0] 0x0 [ 29.605319][ C0] ---[ end trace 389be3dcf46d9aca ]--- [ 29.706464][ C0] ------------[ cut here ]------------ [ 29.707910][ C0] WARNING: CPU: 0 PID: 22 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 29.708947][ C0] Modules linked in: [ 29.709456][ C0] CPU: 0 PID: 22 Comm: kdevtmpfs Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 29.711788][ C0] Hardware name: linux,dummy-virt (DT) [ 29.714312][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 29.715118][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 29.715814][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 29.716551][ C0] sp : ffff800010003e30 [ 29.717105][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 29.718086][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 29.718990][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 29.719881][ C0] x23: 0000000000000080 x22: 00000006b609f360 [ 29.720758][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 29.721354][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 29.721954][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 29.722558][ C0] x15: 00000047d1fba4dc x14: 00000000000001f3 [ 29.723165][ C0] x13: 0000000000000001 x12: 0000000000000002 [ 29.723762][ C0] x11: 0000000000000001 x10: 00000000000001f3 [ 29.724349][ C0] x9 : 000000000090783b x8 : 00000006b59801e0 [ 29.724973][ C0] x7 : 7fffffffffffffff x6 : 00000006b59801e0 [ 29.725564][ C0] x5 : 00000006b59801e0 x4 : f9ff0000041e1498 [ 29.726170][ C0] x3 : 00000006b6964de0 x2 : 00000006b59801e0 [ 29.726765][ C0] x1 : 00000006b6964de0 x0 : 0000000000000008 [ 29.727374][ C0] Call trace: [ 29.727679][ C0] vkms_vblank_simulate+0x120/0x130 [ 29.728104][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 29.728567][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 29.729028][ C0] arch_timer_handler_phys+0x38/0x50 [ 29.729511][ C0] handle_percpu_devid_irq+0x84/0x150 [ 29.730240][ C0] __handle_domain_irq+0x7c/0xe0 [ 29.730935][ C0] gic_handle_irq+0x50/0xd0 [ 29.731407][ C0] el1_irq+0xb4/0x180 [ 29.731796][ C0] stack_depot_save+0x24/0x4bc [ 29.732197][ C0] kasan_save_stack+0x44/0x60 [ 29.733102][ C0] __kasan_kmalloc+0xc8/0x100 [ 29.733513][ C0] __kmalloc+0x220/0x3d0 [ 29.733896][ C0] smk_parse_smack+0xe8/0x11c [ 29.734297][ C0] smk_import_entry+0x14/0x130 [ 29.734697][ C0] smk_fetch+0xbc/0x100 [ 29.735078][ C0] smack_d_instantiate+0x180/0x3b0 [ 29.735492][ C0] security_d_instantiate+0x3c/0x6c [ 29.736066][ C0] d_instantiate+0x34/0x70 [ 29.736518][ C0] shmem_mknod+0xcc/0x100 [ 29.736914][ C0] vfs_mknod+0x1bc/0x270 [ 29.737324][ C0] handle_create+0x178/0x21c [ 29.737736][ C0] devtmpfsd+0xcc/0x11c [ 29.738119][ C0] kthread+0x174/0x180 [ 29.738593][ C0] ret_from_fork+0x10/0x34 [ 29.739156][ C0] ---[ end trace 389be3dcf46d9acb ]--- [ 29.740485][ C0] ------------[ cut here ]------------ [ 29.741057][ C0] WARNING: CPU: 0 PID: 22 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 29.742173][ C0] Modules linked in: [ 29.742784][ C0] CPU: 0 PID: 22 Comm: kdevtmpfs Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 29.743890][ C0] Hardware name: linux,dummy-virt (DT) [ 29.744542][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 29.745341][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 29.745927][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 29.746505][ C0] sp : ffff800010003e30 [ 29.746977][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 29.747742][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 29.748525][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 29.749310][ C0] x23: 0000000000000080 x22: 00000006b80c8f00 [ 29.750181][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 29.751110][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 29.751989][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 29.753339][ C0] x15: 00000488fffffb77 x14: 00000000000002a4 [ 29.754170][ C0] x13: 0000000000000001 x12: 0000000000000020 [ 29.754846][ C0] x11: 0000000000000001 x10: 00000000000002a4 [ 29.755749][ C0] x9 : 0000000001bbe01c x8 : 00000006b79499e0 [ 29.756645][ C0] x7 : 7fffffffffffffff x6 : 00000006b79499e0 [ 29.757488][ C0] x5 : 00000006b79499e0 x4 : f9ff0000041e1498 [ 29.758029][ C0] x3 : 00000006b892e5e0 x2 : 00000006b79499e0 [ 29.758595][ C0] x1 : 00000006b892e5e0 x0 : 0000000000000002 [ 29.759163][ C0] Call trace: [ 29.759471][ C0] vkms_vblank_simulate+0x120/0x130 [ 29.760090][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 29.760705][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 29.761233][ C0] arch_timer_handler_phys+0x38/0x50 [ 29.761726][ C0] handle_percpu_devid_irq+0x84/0x150 [ 29.762166][ C0] __handle_domain_irq+0x7c/0xe0 [ 29.762672][ C0] gic_handle_irq+0x50/0xd0 [ 29.763088][ C0] el1_irq+0xb4/0x180 [ 29.763476][ C0] stack_depot_save+0x24/0x4bc [ 29.764084][ C0] kasan_save_stack+0x44/0x60 [ 29.764639][ C0] __kasan_kmalloc+0xc8/0x100 [ 29.765253][ C0] __kmalloc+0x220/0x3d0 [ 29.765773][ C0] smk_parse_smack+0xe8/0x11c [ 29.766394][ C0] smk_import_entry+0x14/0x130 [ 29.766963][ C0] smk_fetch+0xbc/0x100 [ 29.767560][ C0] smack_d_instantiate+0x180/0x3b0 [ 29.768154][ C0] security_d_instantiate+0x3c/0x6c [ 29.768830][ C0] d_instantiate+0x34/0x70 [ 29.770005][ C0] shmem_mknod+0xcc/0x100 [ 29.770617][ C0] vfs_mknod+0x1bc/0x270 [ 29.771224][ C0] handle_create+0x178/0x21c [ 29.771907][ C0] devtmpfsd+0xcc/0x11c [ 29.773964][ C0] kthread+0x174/0x180 [ 29.775054][ C0] ret_from_fork+0x10/0x34 [ 29.775672][ C0] ---[ end trace 389be3dcf46d9acc ]--- [ 29.776698][ C0] ------------[ cut here ]------------ [ 29.777303][ C0] WARNING: CPU: 0 PID: 22 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 29.778205][ C0] Modules linked in: [ 29.778735][ C0] CPU: 0 PID: 22 Comm: kdevtmpfs Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 29.779628][ C0] Hardware name: linux,dummy-virt (DT) [ 29.780274][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 29.781119][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 29.781773][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 29.782371][ C0] sp : ffff800010003e30 [ 29.782757][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 29.783388][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 29.784086][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 29.784830][ C0] x23: 0000000000000080 x22: 00000006ba39dc80 [ 29.785503][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 29.786364][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 29.787059][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 29.787795][ C0] x15: 00002da74f3246b0 x14: 000000000000020a [ 29.788534][ C0] x13: 0000000000000001 x12: 0000000000000023 [ 29.789298][ C0] x11: 0000000000000001 x10: 000000000000020a [ 29.790229][ C0] x9 : 0000000002572167 x8 : 00000006b99131e0 [ 29.791153][ C0] x7 : 7fffffffffffffff x6 : 00000006b99131e0 [ 29.792055][ C0] x5 : 00000006b99131e0 x4 : f9ff0000041e1498 [ 29.793470][ C0] x3 : 00000006ba8f7de0 x2 : 00000006b99131e0 [ 29.794367][ C0] x1 : 00000006ba8f7de0 x0 : 0000000000000002 [ 29.795355][ C0] Call trace: [ 29.796032][ C0] vkms_vblank_simulate+0x120/0x130 [ 29.797847][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 29.798591][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 29.799333][ C0] arch_timer_handler_phys+0x38/0x50 [ 29.800216][ C0] handle_percpu_devid_irq+0x84/0x150 [ 29.802397][ C0] __handle_domain_irq+0x7c/0xe0 [ 29.804682][ C0] gic_handle_irq+0x50/0xd0 [ 29.805947][ C0] el1_irq+0xb4/0x180 [ 29.806529][ C0] stack_depot_save+0x24/0x4bc [ 29.807126][ C0] kasan_save_stack+0x44/0x60 [ 29.807732][ C0] __kasan_kmalloc+0xc8/0x100 [ 29.808316][ C0] __kmalloc+0x220/0x3d0 [ 29.808886][ C0] smk_parse_smack+0xe8/0x11c [ 29.809519][ C0] smk_import_entry+0x14/0x130 [ 29.810164][ C0] smk_fetch+0xbc/0x100 [ 29.810757][ C0] smack_d_instantiate+0x180/0x3b0 [ 29.811420][ C0] security_d_instantiate+0x3c/0x6c [ 29.812102][ C0] d_instantiate+0x34/0x70 [ 29.813371][ C0] shmem_mknod+0xcc/0x100 [ 29.814007][ C0] vfs_mknod+0x1bc/0x270 [ 29.814824][ C0] handle_create+0x178/0x21c [ 29.815474][ C0] devtmpfsd+0xcc/0x11c [ 29.816087][ C0] kthread+0x174/0x180 [ 29.816769][ C0] ret_from_fork+0x10/0x34 [ 29.817463][ C0] ---[ end trace 389be3dcf46d9acd ]--- [ 29.918619][ C0] ------------[ cut here ]------------ [ 29.919701][ C0] WARNING: CPU: 0 PID: 2037 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 29.921189][ C0] Modules linked in: [ 29.921919][ C0] CPU: 0 PID: 2037 Comm: kworker/u4:4 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 29.923541][ C0] Hardware name: linux,dummy-virt (DT) [ 29.925046][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 29.927448][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 29.929473][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 29.931517][ C0] sp : ffff800010003e30 [ 29.933510][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 29.935951][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 29.937356][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 29.939363][ C0] x23: 0000000000000080 x22: 00000006c2b1eb70 [ 29.941858][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 29.944587][ C0] x19: f9ff0000041e1498 x18: 0000000000000014 [ 29.947262][ C0] x17: 00000000b2981cce x16: 00000000d04bf248 [ 29.948519][ C0] x15: 0000000000000002 x14: 0000000000000001 [ 29.950969][ C0] x13: 0000000000078f13 x12: 0000000000000040 [ 29.953995][ C0] x11: f0ff000003400260 x10: f0ff000003400262 [ 29.956564][ C0] x9 : ffff8000127cbe78 x8 : 00000006c281dde0 [ 29.959250][ C0] x7 : 7fffffffffffffff x6 : 00000006c281dde0 [ 29.960869][ C0] x5 : 00000006c281dde0 x4 : f9ff0000041e1498 [ 29.962059][ C0] x3 : 00000006c38029e0 x2 : 00000006c281dde0 [ 29.963205][ C0] x1 : 00000006c38029e0 x0 : 0000000000000009 [ 29.964275][ C0] Call trace: [ 29.964845][ C0] vkms_vblank_simulate+0x120/0x130 [ 29.966045][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 29.966803][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 29.967544][ C0] arch_timer_handler_phys+0x38/0x50 [ 29.968319][ C0] handle_percpu_devid_irq+0x84/0x150 [ 29.969150][ C0] __handle_domain_irq+0x7c/0xe0 [ 29.969906][ C0] gic_handle_irq+0x50/0xd0 [ 29.970627][ C0] el1_irq+0xb4/0x180 [ 29.971324][ C0] put_files_struct+0x9c/0x124 [ 29.972041][ C0] exit_files+0x40/0x5c [ 29.972921][ C0] do_exit+0x71c/0xa30 [ 29.973599][ C0] call_usermodehelper_exec_async+0x118/0x140 [ 29.974468][ C0] ret_from_fork+0x10/0x34 [ 29.975149][ C0] ---[ end trace 389be3dcf46d9ace ]--- [ 29.976675][ C0] ------------[ cut here ]------------ [ 29.977406][ C0] WARNING: CPU: 0 PID: 2037 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 29.978754][ C0] Modules linked in: [ 29.979785][ C0] CPU: 0 PID: 2037 Comm: kworker/u4:4 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 29.981536][ C0] Hardware name: linux,dummy-virt (DT) [ 29.982334][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 29.983172][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 29.983890][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 29.984630][ C0] sp : ffff800010003e30 [ 29.985131][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 29.986098][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 29.987069][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 29.988063][ C0] x23: 0000000000000080 x22: 00000006c627f140 [ 29.989116][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 29.994603][ C0] x19: f9ff0000041e1498 x18: 0000000000000014 [ 29.995634][ C0] x17: 00000000b2981cce x16: 00000000d04bf248 [ 29.996733][ C0] x15: 000032ca1faa3eb2 x14: 000000000000028b [ 29.997880][ C0] x13: 0000000000000001 x12: 0000000000000031 [ 29.999635][ C0] x11: 0000000000000002 x10: 000000000000028b [ 30.000672][ C0] x9 : 0000000004d9831f x8 : 00000006c57cc1e0 [ 30.001764][ C0] x7 : 7fffffffffffffff x6 : 00000006c57cc1e0 [ 30.003255][ C0] x5 : 00000006c57cc1e0 x4 : f9ff0000041e1498 [ 30.004272][ C0] x3 : 00000006c67b0de0 x2 : 00000006c57cc1e0 [ 30.005341][ C0] x1 : 00000006c67b0de0 x0 : 0000000000000003 [ 30.006424][ C0] Call trace: [ 30.006977][ C0] vkms_vblank_simulate+0x120/0x130 [ 30.007968][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 30.008884][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 30.009637][ C0] arch_timer_handler_phys+0x38/0x50 [ 30.010327][ C0] handle_percpu_devid_irq+0x84/0x150 [ 30.011117][ C0] __handle_domain_irq+0x7c/0xe0 [ 30.011831][ C0] gic_handle_irq+0x50/0xd0 [ 30.012773][ C0] el1_irq+0xb4/0x180 [ 30.013494][ C0] put_files_struct+0x9c/0x124 [ 30.014261][ C0] exit_files+0x40/0x5c [ 30.014979][ C0] do_exit+0x71c/0xa30 [ 30.015749][ C0] call_usermodehelper_exec_async+0x118/0x140 [ 30.016665][ C0] ret_from_fork+0x10/0x34 [ 30.017421][ C0] ---[ end trace 389be3dcf46d9acf ]--- [ 30.018514][ C0] ------------[ cut here ]------------ [ 30.019204][ C0] WARNING: CPU: 0 PID: 2037 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 30.020548][ C0] Modules linked in: [ 30.021218][ C0] CPU: 0 PID: 2037 Comm: kworker/u4:4 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 30.023678][ C0] Hardware name: linux,dummy-virt (DT) [ 30.024426][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 30.025431][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 30.026235][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 30.027024][ C0] sp : ffff800010003e30 [ 30.027710][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 30.028874][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 30.029948][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 30.031117][ C0] x23: 0000000000000080 x22: 00000006c8a5ffb0 [ 30.032307][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 30.033647][ C0] x19: f9ff0000041e1498 x18: 0000000000000014 [ 30.034702][ C0] x17: 00000000b2981cce x16: 00000000d04bf248 [ 30.035857][ C0] x15: 000032ca1faa3eb2 x14: 000000000000028b [ 30.036920][ C0] x13: 0000000000000001 x12: 0000000000000031 [ 30.037999][ C0] x11: 0000000000000002 x10: 000000000000028b [ 30.039146][ C0] x9 : ffff800012a0e000 x8 : 00000006c877a5e0 [ 30.040238][ C0] x7 : 7fffffffffffffff x6 : 00000006c877a5e0 [ 30.041403][ C0] x5 : 00000006c877a5e0 x4 : f9ff0000041e1498 [ 30.043089][ C0] x3 : 00000006c975f1e0 x2 : 00000006c877a5e0 [ 30.044155][ C0] x1 : 00000006c975f1e0 x0 : 0000000000000003 [ 30.045266][ C0] Call trace: [ 30.045865][ C0] vkms_vblank_simulate+0x120/0x130 [ 30.046654][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 30.047444][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 30.048160][ C0] arch_timer_handler_phys+0x38/0x50 [ 30.048984][ C0] handle_percpu_devid_irq+0x84/0x150 [ 30.049816][ C0] __handle_domain_irq+0x7c/0xe0 [ 30.050619][ C0] gic_handle_irq+0x50/0xd0 [ 30.051368][ C0] el1_irq+0xb4/0x180 [ 30.052090][ C0] put_files_struct+0x9c/0x124 [ 30.053192][ C0] exit_files+0x40/0x5c [ 30.053883][ C0] do_exit+0x71c/0xa30 [ 30.054579][ C0] call_usermodehelper_exec_async+0x118/0x140 [ 30.055441][ C0] ret_from_fork+0x10/0x34 [ 30.056161][ C0] ---[ end trace 389be3dcf46d9ad0 ]--- [ 30.157928][ C0] ------------[ cut here ]------------ [ 30.158744][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 30.159980][ C0] Modules linked in: [ 30.160790][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 30.162109][ C0] Hardware name: linux,dummy-virt (DT) [ 30.163033][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 30.163968][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 30.164808][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 30.165588][ C0] sp : ffff800010003e30 [ 30.166210][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 30.167269][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 30.168279][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 30.169184][ C0] x23: 0000000000000080 x22: 00000006d0f56740 [ 30.170158][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 30.171127][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 30.172108][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 30.188610][ C0] x15: 0000000000000000 x14: 0000000000000000 [ 30.189646][ C0] x13: 0000000000000003 x12: 0000000000000040 [ 30.190305][ C0] x11: f0ff000003400260 x10: f0ff000003400262 [ 30.191225][ C0] x9 : ffff8000127cbe78 x8 : 00000006d06a05e0 [ 30.191932][ C0] x7 : 7fffffffffffffff x6 : 00000006d06a05e0 [ 30.193152][ C0] x5 : 00000006d06a05e0 x4 : f9ff0000041e1498 [ 30.194100][ C0] x3 : 00000006d16851e0 x2 : 00000006d06a05e0 [ 30.194663][ C0] x1 : 00000006d16851e0 x0 : 0000000000000008 [ 30.195584][ C0] Call trace: [ 30.196117][ C0] vkms_vblank_simulate+0x120/0x130 [ 30.196924][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 30.197617][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 30.198027][ C0] arch_timer_handler_phys+0x38/0x50 [ 30.198526][ C0] handle_percpu_devid_irq+0x84/0x150 [ 30.199007][ C0] __handle_domain_irq+0x7c/0xe0 [ 30.199471][ C0] gic_handle_irq+0x50/0xd0 [ 30.199901][ C0] el1_irq+0xb4/0x180 [ 30.200272][ C0] arch_cpu_idle+0x18/0x30 [ 30.200724][ C0] default_idle_call+0x24/0x6c [ 30.201134][ C0] do_idle+0x22c/0x29c [ 30.201530][ C0] cpu_startup_entry+0x24/0x70 [ 30.201925][ C0] rest_init+0xd8/0xe8 [ 30.202330][ C0] arch_call_rest_init+0x10/0x1c [ 30.207334][ C0] start_kernel+0x558/0x590 [ 30.208020][ C0] 0x0 [ 30.208579][ C0] ---[ end trace 389be3dcf46d9ad1 ]--- [ 30.209725][ C0] ------------[ cut here ]------------ [ 30.210359][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 30.211490][ C0] Modules linked in: [ 30.212150][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 30.217747][ C0] Hardware name: linux,dummy-virt (DT) [ 30.219278][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 30.220082][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 30.220817][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 30.221539][ C0] sp : ffff800010003e30 [ 30.222059][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 30.223323][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 30.224205][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 30.225475][ C0] x23: 0000000000000080 x22: 00000006d40c7930 [ 30.226425][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 30.227363][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 30.228301][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 30.229283][ C0] x15: 0000000000000000 x14: 000000000000ba7e [ 30.230233][ C0] x13: 00002456288420e8 x12: 009160deb4f97e08 [ 30.231193][ C0] x11: 000000000000b67e x10: 0000000000002ca4 [ 30.232179][ C0] x9 : 0000000000002456 x8 : 00000006d364e9e0 [ 30.233671][ C0] x7 : 7fffffffffffffff x6 : 00000006d364e9e0 [ 30.234656][ C0] x5 : 00000006d364e9e0 x4 : f9ff0000041e1498 [ 30.235614][ C0] x3 : 00000006d46335e0 x2 : 00000006d364e9e0 [ 30.236576][ C0] x1 : 00000006d46335e0 x0 : 0000000000000003 [ 30.237531][ C0] Call trace: [ 30.238023][ C0] vkms_vblank_simulate+0x120/0x130 [ 30.238726][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 30.239466][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 30.240164][ C0] arch_timer_handler_phys+0x38/0x50 [ 30.240903][ C0] handle_percpu_devid_irq+0x84/0x150 [ 30.241633][ C0] __handle_domain_irq+0x7c/0xe0 [ 30.242775][ C0] gic_handle_irq+0x50/0xd0 [ 30.243438][ C0] el1_irq+0xb4/0x180 [ 30.244034][ C0] arch_cpu_idle+0x18/0x30 [ 30.244723][ C0] default_idle_call+0x24/0x6c [ 30.245410][ C0] do_idle+0x22c/0x29c [ 30.246051][ C0] cpu_startup_entry+0x24/0x70 [ 30.246734][ C0] rest_init+0xd8/0xe8 [ 30.247324][ C0] arch_call_rest_init+0x10/0x1c [ 30.248139][ C0] start_kernel+0x558/0x590 [ 30.248887][ C0] 0x0 [ 30.249741][ C0] ---[ end trace 389be3dcf46d9ad2 ]--- [ 30.250873][ C0] ------------[ cut here ]------------ [ 30.251490][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 30.253734][ C0] Modules linked in: [ 30.254548][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 30.255932][ C0] Hardware name: linux,dummy-virt (DT) [ 30.256648][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 30.257564][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 30.258408][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 30.259617][ C0] sp : ffff800010003e30 [ 30.260182][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 30.261068][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 30.262127][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 30.263635][ C0] x23: 0000000000000080 x22: 00000006d67df700 [ 30.264628][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 30.265682][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 30.266649][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 30.267625][ C0] x15: 0000000000000000 x14: 0000000000000000 [ 30.268620][ C0] x13: 000056c2c2b8183c x12: 0000000000000033 [ 30.269579][ C0] x11: 000000000000001f x10: 0000000000000000 [ 30.270594][ C0] x9 : ffff00007fbc1c40 x8 : 00000006d65fcde0 [ 30.272868][ C0] x7 : 7fffffffffffffff x6 : 00000006d65fcde0 [ 30.274024][ C0] x5 : 00000006d65fcde0 x4 : f9ff0000041e1498 [ 30.275127][ C0] x3 : 00000006d75e19e0 x2 : 00000006d65fcde0 [ 30.276432][ C0] x1 : 00000006d75e19e0 x0 : 0000000000000003 [ 30.277823][ C0] Call trace: [ 30.278433][ C0] vkms_vblank_simulate+0x120/0x130 [ 30.279152][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 30.279835][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 30.280522][ C0] arch_timer_handler_phys+0x38/0x50 [ 30.281889][ C0] handle_percpu_devid_irq+0x84/0x150 [ 30.283422][ C0] __handle_domain_irq+0x7c/0xe0 [ 30.284347][ C0] gic_handle_irq+0x50/0xd0 [ 30.285900][ C0] el1_irq+0xb4/0x180 [ 30.287395][ C0] arch_cpu_idle+0x18/0x30 [ 30.289313][ C0] default_idle_call+0x24/0x6c [ 30.290882][ C0] do_idle+0x22c/0x29c [ 30.291753][ C0] cpu_startup_entry+0x24/0x70 [ 30.295541][ C0] rest_init+0xd8/0xe8 [ 30.296262][ C0] arch_call_rest_init+0x10/0x1c [ 30.297357][ C0] start_kernel+0x558/0x590 [ 30.298917][ C0] 0x0 [ 30.299659][ C0] ---[ end trace 389be3dcf46d9ad3 ]--- [ 30.401366][ C0] ------------[ cut here ]------------ [ 30.402176][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 30.403463][ C0] Modules linked in: [ 30.404181][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 30.405539][ C0] Hardware name: linux,dummy-virt (DT) [ 30.406276][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 30.407184][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 30.407985][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 30.408756][ C0] sp : ffff800010003e30 [ 30.409320][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 30.410336][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 30.411331][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 30.412378][ C0] x23: 0000000000000080 x22: 00000006df756c80 [ 30.413450][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 30.414502][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 30.415555][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 30.416739][ C0] x15: 0000000000000000 x14: 000000000000ba7e [ 30.417813][ C0] x13: 00003d2086a43292 x12: 000000000000005a [ 30.433569][ C0] x11: 0000000000000003 x10: 0000000000000000 [ 30.434606][ C0] x9 : ffff00007fbc1c40 x8 : 00000006df5079e0 [ 30.435593][ C0] x7 : 7fffffffffffffff x6 : 00000006df5079e0 [ 30.436659][ C0] x5 : 00000006df5079e0 x4 : f9ff0000041e1498 [ 30.437650][ C0] x3 : 00000006e04ec5e0 x2 : 00000006df5079e0 [ 30.438613][ C0] x1 : 00000006e04ec5e0 x0 : 0000000000000009 [ 30.439733][ C0] Call trace: [ 30.440253][ C0] vkms_vblank_simulate+0x120/0x130 [ 30.441049][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 30.441823][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 30.442548][ C0] arch_timer_handler_phys+0x38/0x50 [ 30.443317][ C0] handle_percpu_devid_irq+0x84/0x150 [ 30.444091][ C0] __handle_domain_irq+0x7c/0xe0 [ 30.444860][ C0] gic_handle_irq+0x50/0xd0 [ 30.445564][ C0] el1_irq+0xb4/0x180 [ 30.446228][ C0] arch_cpu_idle+0x18/0x30 [ 30.446942][ C0] default_idle_call+0x24/0x6c [ 30.447673][ C0] do_idle+0x22c/0x29c [ 30.448289][ C0] cpu_startup_entry+0x24/0x70 [ 30.449506][ C0] rest_init+0xd8/0xe8 [ 30.450164][ C0] arch_call_rest_init+0x10/0x1c [ 30.450897][ C0] start_kernel+0x558/0x590 [ 30.451670][ C0] 0x0 [ 30.452649][ C0] ---[ end trace 389be3dcf46d9ad4 ]--- [ 30.453853][ C0] ------------[ cut here ]------------ [ 30.454549][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 30.455907][ C0] Modules linked in: [ 30.456576][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 30.457936][ C0] Hardware name: linux,dummy-virt (DT) [ 30.458662][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 30.460007][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 30.460802][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 30.461737][ C0] sp : ffff800010003e30 [ 30.463012][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 30.464031][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 30.465204][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 30.466288][ C0] x23: 0000000000000080 x22: 00000006e296a4c0 [ 30.467393][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 30.469838][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 30.471033][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 30.473024][ C0] x15: 0000000000000000 x14: 0000000000000000 [ 30.474055][ C0] x13: ffff8000126b7000 x12: 0000000000000097 [ 30.475112][ C0] x11: 0000000000000032 x10: 0000000000000000 [ 30.476163][ C0] x9 : ffff00007fbc1c40 x8 : 00000006e24b5de0 [ 30.477229][ C0] x7 : 7fffffffffffffff x6 : 00000006e24b5de0 [ 30.478305][ C0] x5 : 00000006e24b5de0 x4 : f9ff0000041e1498 [ 30.479334][ C0] x3 : 00000006e349a9e0 x2 : 00000006e24b5de0 [ 30.480357][ C0] x1 : 00000006e349a9e0 x0 : 0000000000000003 [ 30.481659][ C0] Call trace: [ 30.482576][ C0] vkms_vblank_simulate+0x120/0x130 [ 30.483337][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 30.484520][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 30.485216][ C0] arch_timer_handler_phys+0x38/0x50 [ 30.485946][ C0] handle_percpu_devid_irq+0x84/0x150 [ 30.486671][ C0] __handle_domain_irq+0x7c/0xe0 [ 30.487361][ C0] gic_handle_irq+0x50/0xd0 [ 30.488029][ C0] el1_irq+0xb4/0x180 [ 30.488666][ C0] arch_cpu_idle+0x18/0x30 [ 30.489653][ C0] default_idle_call+0x24/0x6c [ 30.490436][ C0] do_idle+0x22c/0x29c [ 30.491232][ C0] cpu_startup_entry+0x24/0x70 [ 30.492000][ C0] rest_init+0xd8/0xe8 [ 30.493128][ C0] arch_call_rest_init+0x10/0x1c [ 30.493885][ C0] start_kernel+0x558/0x590 [ 30.494564][ C0] 0x0 [ 30.495094][ C0] ---[ end trace 389be3dcf46d9ad5 ]--- [ 30.496222][ C0] ------------[ cut here ]------------ [ 30.497225][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 30.498418][ C0] Modules linked in: [ 30.499109][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 30.500405][ C0] Hardware name: linux,dummy-virt (DT) [ 30.501118][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 30.503497][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 30.504278][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 30.505137][ C0] sp : ffff800010003e30 [ 30.505688][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 30.506651][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 30.507699][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 30.508713][ C0] x23: 0000000000000080 x22: 00000006e51dd3b0 [ 30.509745][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 30.510869][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 30.511901][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 30.513342][ C0] x15: 0000000000000000 x14: 0000000000000000 [ 30.514390][ C0] x13: ffff8000126b7000 x12: 000000000000025c [ 30.515441][ C0] x11: 0000000000000028 x10: 0000000000000000 [ 30.516522][ C0] x9 : ffff00007fbc1c40 x8 : 00000006e447f5e0 [ 30.517529][ C0] x7 : 7fffffffffffffff x6 : 00000006e447f5e0 [ 30.518557][ C0] x5 : 00000006e447f5e0 x4 : f9ff0000041e1498 [ 30.519606][ C0] x3 : 00000006e54641e0 x2 : 00000006e447f5e0 [ 30.520633][ C0] x1 : 00000006e54641e0 x0 : 0000000000000002 [ 30.521636][ C0] Call trace: [ 30.522588][ C0] vkms_vblank_simulate+0x120/0x130 [ 30.523362][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 30.524072][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 30.524825][ C0] arch_timer_handler_phys+0x38/0x50 [ 30.525574][ C0] handle_percpu_devid_irq+0x84/0x150 [ 30.526550][ C0] __handle_domain_irq+0x7c/0xe0 [ 30.527346][ C0] gic_handle_irq+0x50/0xd0 [ 30.528055][ C0] el1_irq+0xb4/0x180 [ 30.528710][ C0] arch_cpu_idle+0x18/0x30 [ 30.529396][ C0] default_idle_call+0x24/0x6c [ 30.530113][ C0] do_idle+0x22c/0x29c [ 30.530795][ C0] cpu_startup_entry+0x24/0x70 [ 30.531511][ C0] rest_init+0xd8/0xe8 [ 30.532192][ C0] arch_call_rest_init+0x10/0x1c [ 30.533464][ C0] start_kernel+0x558/0x590 [ 30.534174][ C0] 0x0 [ 30.534798][ C0] ---[ end trace 389be3dcf46d9ad6 ]--- [ 30.636192][ C0] ------------[ cut here ]------------ [ 30.637005][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 30.638206][ C0] Modules linked in: [ 30.638875][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 30.640050][ C0] Hardware name: linux,dummy-virt (DT) [ 30.640757][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 30.641561][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 30.642018][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 30.642849][ C0] sp : ffff800010003e30 [ 30.643449][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 30.644478][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 30.645463][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 30.646463][ C0] x23: 0000000000000080 x22: 00000006ed772c90 [ 30.647471][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 30.648522][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 30.650890][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 30.652991][ C0] x15: 0000000000000000 x14: 0000000000000000 [ 30.655681][ C0] x13: 0000000000000003 x12: 0000000000000040 [ 30.657946][ C0] x11: f0ff000003400260 x10: f0ff000003400262 [ 30.659403][ C0] x9 : ffff8000127cbe78 x8 : 00000006ed38a1e0 [ 30.661795][ C0] x7 : 7fffffffffffffff x6 : 00000006ed38a1e0 [ 30.664946][ C0] x5 : 00000006ed38a1e0 x4 : f9ff0000041e1498 [ 30.667280][ C0] x3 : 00000006ee36ede0 x2 : 00000006ed38a1e0 [ 30.669425][ C0] x1 : 00000006ee36ede0 x0 : 0000000000000009 [ 30.672128][ C0] Call trace: [ 30.673879][ C0] vkms_vblank_simulate+0x120/0x130 [ 30.675539][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 30.677381][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 30.678223][ C0] arch_timer_handler_phys+0x38/0x50 [ 30.680186][ C0] handle_percpu_devid_irq+0x84/0x150 [ 30.682198][ C0] __handle_domain_irq+0x7c/0xe0 [ 30.684473][ C0] gic_handle_irq+0x50/0xd0 [ 30.686134][ C0] el1_irq+0xb4/0x180 [ 30.687616][ C0] arch_cpu_idle+0x18/0x30 [ 30.689324][ C0] default_idle_call+0x24/0x6c [ 30.691065][ C0] do_idle+0x22c/0x29c [ 30.692804][ C0] cpu_startup_entry+0x28/0x70 [ 30.694738][ C0] rest_init+0xd8/0xe8 [ 30.696268][ C0] arch_call_rest_init+0x10/0x1c [ 30.698094][ C0] start_kernel+0x558/0x590 [ 30.699793][ C0] 0x0 [ 30.701009][ C0] ---[ end trace 389be3dcf46d9ad7 ]--- [ 30.702235][ C0] ------------[ cut here ]------------ [ 30.705216][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 30.706521][ C0] Modules linked in: [ 30.707235][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 30.708580][ C0] Hardware name: linux,dummy-virt (DT) [ 30.709710][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 30.710638][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 30.711461][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 30.713731][ C0] sp : ffff800010003e30 [ 30.714321][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 30.715316][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 30.716315][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 30.717315][ C0] x23: 0000000000000080 x22: 00000006f1677c70 [ 30.718404][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 30.719855][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 30.721103][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 30.722661][ C0] x15: 0000000000000000 x14: 000000000000ba7e [ 30.724137][ C0] x13: 00001310bcab5068 x12: 00000000000003b5 [ 30.725276][ C0] x11: 0000000000000031 x10: 0000000000000000 [ 30.726350][ C0] x9 : ffff00007fbc1c40 x8 : 00000006f131d1e0 [ 30.728037][ C0] x7 : 7fffffffffffffff x6 : 00000006f131d1e0 [ 30.729466][ C0] x5 : 00000006f131d1e0 x4 : f9ff0000041e1498 [ 30.730484][ C0] x3 : 00000006f2301de0 x2 : 00000006f131d1e0 [ 30.731736][ C0] x1 : 00000006f2301de0 x0 : 0000000000000004 [ 30.733763][ C0] Call trace: [ 30.734287][ C0] vkms_vblank_simulate+0x120/0x130 [ 30.735036][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 30.735816][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 30.736588][ C0] arch_timer_handler_phys+0x38/0x50 [ 30.737341][ C0] handle_percpu_devid_irq+0x84/0x150 [ 30.738033][ C0] __handle_domain_irq+0x7c/0xe0 [ 30.738762][ C0] gic_handle_irq+0x50/0xd0 [ 30.739497][ C0] el1_irq+0xb4/0x180 [ 30.740124][ C0] arch_cpu_idle+0x18/0x30 [ 30.740906][ C0] default_idle_call+0x24/0x6c [ 30.741868][ C0] do_idle+0x22c/0x29c [ 30.742514][ C0] cpu_startup_entry+0x28/0x70 [ 30.743200][ C0] rest_init+0xd8/0xe8 [ 30.743927][ C0] arch_call_rest_init+0x10/0x1c [ 30.744621][ C0] start_kernel+0x558/0x590 [ 30.745260][ C0] 0x0 [ 30.745789][ C0] ---[ end trace 389be3dcf46d9ad8 ]--- [ 30.746865][ C0] ------------[ cut here ]------------ [ 30.747482][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 30.748631][ C0] Modules linked in: [ 30.749510][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 30.754272][ C0] Hardware name: linux,dummy-virt (DT) [ 30.755459][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 30.756564][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 30.757380][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 30.758182][ C0] sp : ffff800010003e30 [ 30.758820][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 30.760447][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 30.761519][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 30.762595][ C0] x23: 0000000000000080 x22: 00000006f40e1cc0 [ 30.763671][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 30.764847][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 30.765921][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 30.766934][ C0] x15: 0000000000000000 x14: 0000000000000000 [ 30.767979][ C0] x13: 0098968000000000 x12: 0000000000000243 [ 30.769093][ C0] x11: 000000000000002b x10: 0000000000000000 [ 30.770144][ C0] x9 : ffff00007fbc1c40 x8 : 00000006f32e69e0 [ 30.771308][ C0] x7 : 7fffffffffffffff x6 : 00000006f32e69e0 [ 30.773406][ C0] x5 : 00000006f32e69e0 x4 : f9ff0000041e1498 [ 30.774441][ C0] x3 : 00000006f42cb5e0 x2 : 00000006f32e69e0 [ 30.776078][ C0] x1 : 00000006f42cb5e0 x0 : 0000000000000002 [ 30.777685][ C0] Call trace: [ 30.778406][ C0] vkms_vblank_simulate+0x120/0x130 [ 30.779155][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 30.779927][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 30.781537][ C0] arch_timer_handler_phys+0x38/0x50 [ 30.782302][ C0] handle_percpu_devid_irq+0x84/0x150 [ 30.783239][ C0] __handle_domain_irq+0x7c/0xe0 [ 30.783965][ C0] gic_handle_irq+0x50/0xd0 [ 30.784838][ C0] el1_irq+0xb4/0x180 [ 30.785476][ C0] arch_cpu_idle+0x18/0x30 [ 30.786174][ C0] default_idle_call+0x24/0x6c [ 30.787175][ C0] do_idle+0x22c/0x29c [ 30.789323][ C0] cpu_startup_entry+0x28/0x70 [ 30.790057][ C0] rest_init+0xd8/0xe8 [ 30.790718][ C0] arch_call_rest_init+0x10/0x1c [ 30.791424][ C0] start_kernel+0x558/0x590 [ 30.792102][ C0] 0x0 [ 30.793436][ C0] ---[ end trace 389be3dcf46d9ad9 ]--- [ 30.894731][ C0] ------------[ cut here ]------------ [ 30.895474][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 30.896796][ C0] Modules linked in: [ 30.897454][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 30.898556][ C0] Hardware name: linux,dummy-virt (DT) [ 30.899197][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 30.900010][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 30.901348][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 30.903969][ C0] sp : ffff800010003e30 [ 30.905848][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 30.908579][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 30.911094][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 30.914595][ C0] x23: 0000000000000080 x22: 00000006fce01fd0 [ 30.916510][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 30.919072][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 30.921505][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 30.924761][ C0] x15: 0000000000000000 x14: 0000000000000000 [ 30.927524][ C0] x13: 0000000000000003 x12: 0000000000000040 [ 30.930272][ C0] x11: f0ff000003400260 x10: f0ff000003400262 [ 30.933014][ C0] x9 : ffff8000127cbe78 x8 : 00000006fc1f15e0 [ 30.935748][ C0] x7 : 7fffffffffffffff x6 : 00000006fc1f15e0 [ 30.937205][ C0] x5 : 00000006fc1f15e0 x4 : f9ff0000041e1498 [ 30.939534][ C0] x3 : 00000006fd1d61e0 x2 : 00000006fc1f15e0 [ 30.941831][ C0] x1 : 00000006fd1d61e0 x0 : 0000000000000009 [ 30.945151][ C0] Call trace: [ 30.946904][ C0] vkms_vblank_simulate+0x120/0x130 [ 30.948774][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 30.950609][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 30.952468][ C0] arch_timer_handler_phys+0x38/0x50 [ 30.953521][ C0] handle_percpu_devid_irq+0x84/0x150 [ 30.956756][ C0] __handle_domain_irq+0x7c/0xe0 [ 30.957480][ C0] gic_handle_irq+0x50/0xd0 [ 30.958175][ C0] el1_irq+0xb4/0x180 [ 30.959755][ C0] arch_cpu_idle+0x18/0x30 [ 30.963321][ C0] default_idle_call+0x24/0x6c [ 30.964360][ C0] do_idle+0x22c/0x29c [ 30.965507][ C0] cpu_startup_entry+0x24/0x70 [ 30.968813][ C0] rest_init+0xd8/0xe8 [ 30.969466][ C0] arch_call_rest_init+0x10/0x1c [ 30.970223][ C0] start_kernel+0x558/0x590 [ 30.971057][ C0] 0x0 [ 30.971733][ C0] ---[ end trace 389be3dcf46d9ada ]--- [ 30.975703][ C0] ------------[ cut here ]------------ [ 30.979059][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 30.981243][ C0] Modules linked in: [ 30.981985][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 30.987214][ C0] Hardware name: linux,dummy-virt (DT) [ 30.990267][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 30.992206][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 30.994878][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 30.998727][ C0] sp : ffff800010003e30 [ 31.001236][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 31.005707][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 31.007456][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 31.008798][ C0] x23: 0000000000000080 x22: 0000000701b45f20 [ 31.010121][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 31.011395][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 31.013314][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 31.015046][ C0] x15: 0000000000000000 x14: 000000000000ba7e [ 31.016650][ C0] x13: 000009aca765cbe3 x12: 0000000000000012 [ 31.018247][ C0] x11: 0000000000000039 x10: 0000000000000000 [ 31.020093][ C0] x9 : ffff00007fbc1c40 x8 : 00000007011691e0 [ 31.022028][ C0] x7 : 7fffffffffffffff x6 : 00000007011691e0 [ 31.025216][ C0] x5 : 00000007011691e0 x4 : f9ff0000041e1498 [ 31.027342][ C0] x3 : 000000070214dde0 x2 : 00000007011691e0 [ 31.028691][ C0] x1 : 000000070214dde0 x0 : 0000000000000005 [ 31.030918][ C0] Call trace: [ 31.031701][ C0] vkms_vblank_simulate+0x120/0x130 [ 31.033326][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 31.034666][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 31.035838][ C0] arch_timer_handler_phys+0x38/0x50 [ 31.037040][ C0] handle_percpu_devid_irq+0x84/0x150 [ 31.038134][ C0] __handle_domain_irq+0x7c/0xe0 [ 31.038788][ C0] gic_handle_irq+0x50/0xd0 [ 31.039395][ C0] el1_irq+0xb4/0x180 [ 31.040009][ C0] arch_cpu_idle+0x18/0x30 [ 31.040654][ C0] default_idle_call+0x24/0x6c [ 31.041339][ C0] do_idle+0x22c/0x29c [ 31.041990][ C0] cpu_startup_entry+0x24/0x70 [ 31.042631][ C0] rest_init+0xd8/0xe8 [ 31.043250][ C0] arch_call_rest_init+0x10/0x1c [ 31.043918][ C0] start_kernel+0x558/0x590 [ 31.044606][ C0] 0x0 [ 31.045102][ C0] ---[ end trace 389be3dcf46d9adb ]--- [ 31.045900][ C0] ------------[ cut here ]------------ [ 31.046415][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 31.047443][ C0] Modules linked in: [ 31.048023][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 31.049146][ C0] Hardware name: linux,dummy-virt (DT) [ 31.049768][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 31.050595][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 31.051308][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 31.051993][ C0] sp : ffff800010003e30 [ 31.052902][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 31.054201][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 31.055611][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 31.056850][ C0] x23: 0000000000000080 x22: 0000000705e449e0 [ 31.057833][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 31.058794][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 31.059758][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 31.060762][ C0] x15: 0000000000000000 x14: 000000000000ba7e [ 31.061757][ C0] x13: 000009aca765cbe3 x12: 0000000000000012 [ 31.062784][ C0] x11: 0000000000000039 x10: 0000000000000000 [ 31.063812][ C0] x9 : ffff800012a0e000 x8 : 00000007050fc1e0 [ 31.064839][ C0] x7 : 7fffffffffffffff x6 : 00000007050fc1e0 [ 31.065883][ C0] x5 : 00000007050fc1e0 x4 : f9ff0000041e1498 [ 31.066926][ C0] x3 : 00000007060e0de0 x2 : 00000007050fc1e0 [ 31.067967][ C0] x1 : 00000007060e0de0 x0 : 0000000000000004 [ 31.069126][ C0] Call trace: [ 31.069662][ C0] vkms_vblank_simulate+0x120/0x130 [ 31.070477][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 31.071242][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 31.071967][ C0] arch_timer_handler_phys+0x38/0x50 [ 31.073300][ C0] handle_percpu_devid_irq+0x84/0x150 [ 31.074210][ C0] __handle_domain_irq+0x7c/0xe0 [ 31.074981][ C0] gic_handle_irq+0x50/0xd0 [ 31.075704][ C0] el1_irq+0xb4/0x180 [ 31.076434][ C0] arch_cpu_idle+0x18/0x30 [ 31.077961][ C0] default_idle_call+0x24/0x6c [ 31.078710][ C0] do_idle+0x22c/0x29c [ 31.079372][ C0] cpu_startup_entry+0x24/0x70 [ 31.080058][ C0] rest_init+0xd8/0xe8 [ 31.080737][ C0] arch_call_rest_init+0x10/0x1c [ 31.081462][ C0] start_kernel+0x558/0x590 [ 31.082159][ C0] 0x0 [ 31.082693][ C0] ---[ end trace 389be3dcf46d9adc ]--- [ 31.185277][ C0] ------------[ cut here ]------------ [ 31.186078][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 31.187365][ C0] Modules linked in: [ 31.188084][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 31.189376][ C0] Hardware name: linux,dummy-virt (DT) [ 31.190106][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 31.191006][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 31.191795][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 31.192838][ C0] sp : ffff800010003e30 [ 31.193323][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 31.195809][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 31.198636][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 31.201218][ C0] x23: 0000000000000080 x22: 000000070e31a7a0 [ 31.203481][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 31.204576][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 31.205583][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 31.206545][ C0] x15: 0000000000000000 x14: 0000000000000000 [ 31.207555][ C0] x13: 0000000000000001 x12: 0000000000000040 [ 31.208609][ C0] x11: f0ff000003400260 x10: f0ff000003400262 [ 31.209613][ C0] x9 : ffff8000127cbe78 x8 : 000000070e006de0 [ 31.210618][ C0] x7 : 7fffffffffffffff x6 : 000000070e006de0 [ 31.211576][ C0] x5 : 000000070e006de0 x4 : f9ff0000041e1498 [ 31.212991][ C0] x3 : 000000070efeb9e0 x2 : 000000070e006de0 [ 31.214555][ C0] x1 : 000000070efeb9e0 x0 : 0000000000000009 [ 31.216162][ C0] Call trace: [ 31.216888][ C0] vkms_vblank_simulate+0x120/0x130 [ 31.217848][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 31.219043][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 31.220091][ C0] arch_timer_handler_phys+0x38/0x50 [ 31.221785][ C0] handle_percpu_devid_irq+0x84/0x150 [ 31.223244][ C0] __handle_domain_irq+0x7c/0xe0 [ 31.224722][ C0] gic_handle_irq+0x50/0xd0 [ 31.225783][ C0] el1_irq+0xb4/0x180 [ 31.226735][ C0] arch_cpu_idle+0x18/0x30 [ 31.227753][ C0] default_idle_call+0x24/0x6c [ 31.228715][ C0] do_idle+0x22c/0x29c [ 31.229711][ C0] cpu_startup_entry+0x24/0x70 [ 31.230757][ C0] rest_init+0xd8/0xe8 [ 31.231647][ C0] arch_call_rest_init+0x10/0x1c [ 31.233124][ C0] start_kernel+0x558/0x590 [ 31.234885][ C0] 0x0 [ 31.235949][ C0] ---[ end trace 389be3dcf46d9add ]--- [ 31.238214][ C0] ------------[ cut here ]------------ [ 31.239269][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 31.241753][ C0] Modules linked in: [ 31.242896][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 31.245460][ C0] Hardware name: linux,dummy-virt (DT) [ 31.246553][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 31.247870][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 31.249095][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 31.250260][ C0] sp : ffff800010003e30 [ 31.251177][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 31.252798][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 31.254327][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 31.256069][ C0] x23: 0000000000000080 x22: 000000071159de10 [ 31.257698][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 31.259138][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 31.260462][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 31.262227][ C0] x15: 0000000000000000 x14: 000000000000ba7e [ 31.266081][ C0] x13: 0000535bb8903806 x12: 014d760c18f357d4 [ 31.269052][ C0] x11: 000000000000b67e x10: 0000000000005b3f [ 31.273031][ C0] x9 : 000000000000535b x8 : 0000000710fb51e0 [ 31.274523][ C0] x7 : 7fffffffffffffff x6 : 0000000710fb51e0 [ 31.275746][ C0] x5 : 0000000710fb51e0 x4 : f9ff0000041e1498 [ 31.277100][ C0] x3 : 0000000711f99de0 x2 : 0000000710fb51e0 [ 31.278501][ C0] x1 : 0000000711f99de0 x0 : 0000000000000003 [ 31.279886][ C0] Call trace: [ 31.280539][ C0] vkms_vblank_simulate+0x120/0x130 [ 31.281602][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 31.282569][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 31.283531][ C0] arch_timer_handler_phys+0x38/0x50 [ 31.284646][ C0] handle_percpu_devid_irq+0x84/0x150 [ 31.285685][ C0] __handle_domain_irq+0x7c/0xe0 [ 31.286713][ C0] gic_handle_irq+0x50/0xd0 [ 31.287684][ C0] el1_irq+0xb4/0x180 [ 31.288593][ C0] arch_cpu_idle+0x18/0x30 [ 31.289465][ C0] default_idle_call+0x24/0x6c [ 31.290412][ C0] do_idle+0x22c/0x29c [ 31.291270][ C0] cpu_startup_entry+0x24/0x70 [ 31.291988][ C0] rest_init+0xd8/0xe8 [ 31.292716][ C0] arch_call_rest_init+0x10/0x1c [ 31.293370][ C0] start_kernel+0x558/0x590 [ 31.294019][ C0] 0x0 [ 31.294535][ C0] ---[ end trace 389be3dcf46d9ade ]--- [ 31.295594][ C0] ------------[ cut here ]------------ [ 31.296181][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 31.297874][ C0] Modules linked in: [ 31.299207][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 31.304692][ C0] Hardware name: linux,dummy-virt (DT) [ 31.307013][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 31.308491][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 31.311082][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 31.315564][ C0] sp : ffff800010003e30 [ 31.316422][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 31.319591][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 31.321236][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 31.322423][ C0] x23: 0000000000000080 x22: 0000000714c332c0 [ 31.323717][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 31.324718][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 31.325695][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 31.326713][ C0] x15: 0000000000000000 x14: 000000000000ba7e [ 31.327750][ C0] x13: ffff8000126b7000 x12: 0000000000000083 [ 31.328698][ C0] x11: 0000000000000012 x10: 0000000000000000 [ 31.329613][ C0] x9 : ffff00007fbc1c40 x8 : 0000000713f635e0 [ 31.330569][ C0] x7 : 7fffffffffffffff x6 : 0000000713f635e0 [ 31.331561][ C0] x5 : 0000000713f635e0 x4 : f9ff0000041e1498 [ 31.332709][ C0] x3 : 0000000714f481e0 x2 : 0000000713f635e0 [ 31.333764][ C0] x1 : 0000000714f481e0 x0 : 0000000000000003 [ 31.334785][ C0] Call trace: [ 31.335299][ C0] vkms_vblank_simulate+0x120/0x130 [ 31.336067][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 31.336863][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 31.337591][ C0] arch_timer_handler_phys+0x38/0x50 [ 31.338331][ C0] handle_percpu_devid_irq+0x84/0x150 [ 31.340352][ C0] __handle_domain_irq+0x7c/0xe0 [ 31.342084][ C0] gic_handle_irq+0x50/0xd0 [ 31.344062][ C0] el1_irq+0xb4/0x180 [ 31.344695][ C0] arch_cpu_idle+0x18/0x30 [ 31.345374][ C0] default_idle_call+0x24/0x6c [ 31.346095][ C0] do_idle+0x22c/0x29c [ 31.346742][ C0] cpu_startup_entry+0x24/0x70 [ 31.347413][ C0] rest_init+0xd8/0xe8 [ 31.348054][ C0] arch_call_rest_init+0x10/0x1c [ 31.348795][ C0] start_kernel+0x558/0x590 [ 31.349966][ C0] 0x0 [ 31.350532][ C0] ---[ end trace 389be3dcf46d9adf ]--- [ 31.452468][ C0] ------------[ cut here ]------------ [ 31.454725][ C0] WARNING: CPU: 0 PID: 122 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 31.458960][ C0] Modules linked in: [ 31.468283][ C0] CPU: 0 PID: 122 Comm: kworker/u4:4 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 31.469448][ C0] Hardware name: linux,dummy-virt (DT) [ 31.470111][ C0] Workqueue: events_unbound call_usermodehelper_exec_work [ 31.471045][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 31.471850][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 31.474747][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 31.476334][ C0] sp : ffff800010003e30 [ 31.478495][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 31.481861][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 31.483351][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 31.484407][ C0] x23: 0000000000000080 x22: 000000071e17fe10 [ 31.485500][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 31.486584][ C0] x19: f9ff0000041e1498 x18: 00000000fffffffd [ 31.487651][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 31.488734][ C0] x15: 0000000000000020 x14: f0ff00000326ad00 [ 31.489800][ C0] x13: 0000000000000000 x12: 0000000000000040 [ 31.490871][ C0] x11: f0ff000003400260 x10: f0ff000003400262 [ 31.491943][ C0] x9 : ffff8000127cbe78 x8 : 000000071de52de0 [ 31.493338][ C0] x7 : 7fffffffffffffff x6 : 000000071de52de0 [ 31.494562][ C0] x5 : 000000071de52de0 x4 : f9ff0000041e1498 [ 31.497253][ C0] x3 : 000000071ee379e0 x2 : 000000071de52de0 [ 31.499093][ C0] x1 : 000000071ee379e0 x0 : 000000000000000a [ 31.500094][ C0] Call trace: [ 31.500657][ C0] vkms_vblank_simulate+0x120/0x130 [ 31.501404][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 31.502181][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 31.502970][ C0] arch_timer_handler_phys+0x38/0x50 [ 31.503741][ C0] handle_percpu_devid_irq+0x84/0x150 [ 31.504537][ C0] __handle_domain_irq+0x7c/0xe0 [ 31.505326][ C0] gic_handle_irq+0x50/0xd0 [ 31.506063][ C0] el1_irq+0xb4/0x180 [ 31.506739][ C0] security_prepare_creds+0x54/0xb0 [ 31.507485][ C0] prepare_creds+0x188/0x280 [ 31.508231][ C0] copy_creds+0x30/0x510 [ 31.508949][ C0] copy_process+0x3f4/0x150c [ 31.509661][ C0] kernel_clone+0x5c/0x3c0 [ 31.510337][ C0] kernel_thread+0x68/0x90 [ 31.511090][ C0] call_usermodehelper_exec_work+0x7c/0xb0 [ 31.511876][ C0] process_one_work+0x1d8/0x364 [ 31.512792][ C0] worker_thread+0x70/0x434 [ 31.513474][ C0] kthread+0x174/0x180 [ 31.514287][ C0] ret_from_fork+0x10/0x34 [ 31.515864][ C0] ---[ end trace 389be3dcf46d9ae0 ]--- [ 31.517308][ C0] ------------[ cut here ]------------ [ 31.517952][ C0] WARNING: CPU: 0 PID: 122 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 31.519051][ C0] Modules linked in: [ 31.519773][ C0] CPU: 0 PID: 122 Comm: kworker/u4:4 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 31.521161][ C0] Hardware name: linux,dummy-virt (DT) [ 31.521892][ C0] Workqueue: events_unbound call_usermodehelper_exec_work [ 31.523012][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 31.523858][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 31.524806][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 31.525567][ C0] sp : ffff800010003e30 [ 31.526163][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 31.527175][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 31.528202][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 31.529162][ C0] x23: 0000000000000080 x22: 0000000721fc76c0 [ 31.530106][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 31.531090][ C0] x19: f9ff0000041e1498 x18: 00000000fffffffd [ 31.532078][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 31.533202][ C0] x15: 000004fdbdf0a4fd x14: 0000000000000092 [ 31.534282][ C0] x13: 0000000000000001 x12: 0000000000000030 [ 31.535262][ C0] x11: 0000000000000001 x10: 0000000000000092 [ 31.536250][ C0] x9 : 00000000025d48ca x8 : 0000000721de5de0 [ 31.537309][ C0] x7 : 7fffffffffffffff x6 : 0000000721de5de0 [ 31.538251][ C0] x5 : 0000000721de5de0 x4 : f9ff0000041e1498 [ 31.539214][ C0] x3 : 0000000722dca9e0 x2 : 0000000721de5de0 [ 31.540322][ C0] x1 : 0000000722dca9e0 x0 : 0000000000000004 [ 31.541402][ C0] Call trace: [ 31.541968][ C0] vkms_vblank_simulate+0x120/0x130 [ 31.543175][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 31.544009][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 31.544764][ C0] arch_timer_handler_phys+0x38/0x50 [ 31.545525][ C0] handle_percpu_devid_irq+0x84/0x150 [ 31.546312][ C0] __handle_domain_irq+0x7c/0xe0 [ 31.547442][ C0] gic_handle_irq+0x50/0xd0 [ 31.548108][ C0] el1_irq+0xb4/0x180 [ 31.549177][ C0] security_prepare_creds+0x54/0xb0 [ 31.549912][ C0] prepare_creds+0x188/0x280 [ 31.550574][ C0] copy_creds+0x30/0x510 [ 31.551238][ C0] copy_process+0x3f4/0x150c [ 31.551946][ C0] kernel_clone+0x5c/0x3c0 [ 31.553033][ C0] kernel_thread+0x68/0x90 [ 31.553729][ C0] call_usermodehelper_exec_work+0x7c/0xb0 [ 31.554535][ C0] process_one_work+0x1d8/0x364 [ 31.555264][ C0] worker_thread+0x70/0x434 [ 31.555960][ C0] kthread+0x174/0x180 [ 31.556825][ C0] ret_from_fork+0x10/0x34 [ 31.557688][ C0] ---[ end trace 389be3dcf46d9ae1 ]--- [ 31.558904][ C0] ------------[ cut here ]------------ [ 31.559529][ C0] WARNING: CPU: 0 PID: 122 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 31.561590][ C0] Modules linked in: [ 31.562922][ C0] CPU: 0 PID: 122 Comm: kworker/u4:4 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 31.564652][ C0] Hardware name: linux,dummy-virt (DT) [ 31.565369][ C0] Workqueue: events_unbound call_usermodehelper_exec_work [ 31.566461][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 31.567391][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 31.568263][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 31.569069][ C0] sp : ffff800010003e30 [ 31.569679][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 31.570757][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 31.572052][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 31.573282][ C0] x23: 0000000000000080 x22: 0000000724737040 [ 31.574515][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 31.575635][ C0] x19: f9ff0000041e1498 x18: 00000000fffffffd [ 31.576852][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 31.577904][ C0] x15: 000034fec7de16c8 x14: 0000000000000385 [ 31.578904][ C0] x13: 0000000000000001 x12: 0000000000000027 [ 31.579896][ C0] x11: 0000000000000001 x10: 0000000000000385 [ 31.581116][ C0] x9 : 0000000002b18036 x8 : 0000000723daf5e0 [ 31.582788][ C0] x7 : 7fffffffffffffff x6 : 0000000723daf5e0 [ 31.583825][ C0] x5 : 0000000723daf5e0 x4 : f9ff0000041e1498 [ 31.584895][ C0] x3 : 0000000724d941e0 x2 : 0000000723daf5e0 [ 31.585979][ C0] x1 : 0000000724d941e0 x0 : 0000000000000002 [ 31.587005][ C0] Call trace: [ 31.587508][ C0] vkms_vblank_simulate+0x120/0x130 [ 31.588222][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 31.588936][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 31.589619][ C0] arch_timer_handler_phys+0x38/0x50 [ 31.590322][ C0] handle_percpu_devid_irq+0x84/0x150 [ 31.591074][ C0] __handle_domain_irq+0x7c/0xe0 [ 31.591761][ C0] gic_handle_irq+0x50/0xd0 [ 31.592609][ C0] el1_irq+0xb4/0x180 [ 31.593275][ C0] security_prepare_creds+0x54/0xb0 [ 31.593983][ C0] prepare_creds+0x188/0x280 [ 31.594648][ C0] copy_creds+0x30/0x510 [ 31.595272][ C0] copy_process+0x3f4/0x150c [ 31.595940][ C0] kernel_clone+0x5c/0x3c0 [ 31.596621][ C0] kernel_thread+0x68/0x90 [ 31.597294][ C0] call_usermodehelper_exec_work+0x7c/0xb0 [ 31.598335][ C0] process_one_work+0x1d8/0x364 [ 31.599054][ C0] worker_thread+0x70/0x434 [ 31.599772][ C0] kthread+0x174/0x180 [ 31.600448][ C0] ret_from_fork+0x10/0x34 [ 31.601224][ C0] ---[ end trace 389be3dcf46d9ae2 ]--- [ 31.702912][ C0] ------------[ cut here ]------------ [ 31.703870][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 31.710295][ C0] Modules linked in: [ 31.715162][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 31.716755][ C0] Hardware name: linux,dummy-virt (DT) [ 31.718676][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 31.725215][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 31.726002][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 31.726768][ C0] sp : ffff800010003e30 [ 31.727365][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 31.728430][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 31.729503][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 31.730562][ C0] x23: 0000000000000080 x22: 000000072d071a10 [ 31.731592][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 31.735286][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 31.736359][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 31.737454][ C0] x15: 0000000000000000 x14: 000000000000ba7e [ 31.738465][ C0] x13: 00002f4b51503b20 x12: 00bd367adb518710 [ 31.739503][ C0] x11: 000000000000b67e x10: 0000000000003771 [ 31.740596][ C0] x9 : 0000000000002f4b x8 : 000000072ccba1e0 [ 31.741629][ C0] x7 : 7fffffffffffffff x6 : 000000072ccba1e0 [ 31.745368][ C0] x5 : 000000072ccba1e0 x4 : f9ff0000041e1498 [ 31.746621][ C0] x3 : 000000072dc9ede0 x2 : 000000072ccba1e0 [ 31.747652][ C0] x1 : 000000072dc9ede0 x0 : 0000000000000009 [ 31.748772][ C0] Call trace: [ 31.749313][ C0] vkms_vblank_simulate+0x120/0x130 [ 31.750028][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 31.750935][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 31.751736][ C0] arch_timer_handler_phys+0x38/0x50 [ 31.752571][ C0] handle_percpu_devid_irq+0x84/0x150 [ 31.753328][ C0] __handle_domain_irq+0x7c/0xe0 [ 31.754037][ C0] gic_handle_irq+0x50/0xd0 [ 31.756903][ C0] el1_irq+0xb4/0x180 [ 31.757843][ C0] arch_cpu_idle+0x18/0x30 [ 31.758922][ C0] default_idle_call+0x24/0x6c [ 31.760465][ C0] do_idle+0x22c/0x29c [ 31.761543][ C0] cpu_startup_entry+0x24/0x70 [ 31.762945][ C0] rest_init+0xd8/0xe8 [ 31.763860][ C0] arch_call_rest_init+0x10/0x1c [ 31.765064][ C0] start_kernel+0x558/0x590 [ 31.766211][ C0] 0x0 [ 31.767099][ C0] ---[ end trace 389be3dcf46d9ae3 ]--- [ 31.771286][ C0] ------------[ cut here ]------------ [ 31.774968][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 31.776914][ C0] Modules linked in: [ 31.777567][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 31.779411][ C0] Hardware name: linux,dummy-virt (DT) [ 31.783766][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 31.787115][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 31.790305][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 31.791351][ C0] sp : ffff800010003e30 [ 31.793625][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 31.795793][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 31.797545][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 31.799980][ C0] x23: 0000000000000080 x22: 00000007310f2d60 [ 31.802082][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 31.805406][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 31.807974][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 31.809082][ C0] x15: 0000000000000000 x14: 0000000000000000 [ 31.814301][ C0] x13: ffff8000126b7000 x12: 0000000000000220 [ 31.817397][ C0] x11: 0000000000000037 x10: 0000000000000000 [ 31.819741][ C0] x9 : ffff00007fbc1c40 x8 : 0000000730c4d1e0 [ 31.822321][ C0] x7 : 7fffffffffffffff x6 : 0000000730c4d1e0 [ 31.823426][ C0] x5 : 0000000730c4d1e0 x4 : f9ff0000041e1498 [ 31.824477][ C0] x3 : 0000000731c31de0 x2 : 0000000730c4d1e0 [ 31.826981][ C0] x1 : 0000000731c31de0 x0 : 0000000000000004 [ 31.829625][ C0] Call trace: [ 31.830976][ C0] vkms_vblank_simulate+0x120/0x130 [ 31.833357][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 31.834774][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 31.836628][ C0] arch_timer_handler_phys+0x38/0x50 [ 31.839889][ C0] handle_percpu_devid_irq+0x84/0x150 [ 31.842299][ C0] __handle_domain_irq+0x7c/0xe0 [ 31.843143][ C0] gic_handle_irq+0x50/0xd0 [ 31.844011][ C0] el1_irq+0xb4/0x180 [ 31.844613][ C0] arch_cpu_idle+0x18/0x30 [ 31.847206][ C0] default_idle_call+0x24/0x6c [ 31.847947][ C0] do_idle+0x22c/0x29c [ 31.848564][ C0] cpu_startup_entry+0x24/0x70 [ 31.849178][ C0] rest_init+0xd8/0xe8 [ 31.849785][ C0] arch_call_rest_init+0x10/0x1c [ 31.850465][ C0] start_kernel+0x558/0x590 [ 31.851101][ C0] 0x0 [ 31.851628][ C0] ---[ end trace 389be3dcf46d9ae4 ]--- [ 31.853133][ C0] ------------[ cut here ]------------ [ 31.853925][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 31.855286][ C0] Modules linked in: [ 31.855964][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 31.857439][ C0] Hardware name: linux,dummy-virt (DT) [ 31.858187][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 31.861389][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 31.862704][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 31.864185][ C0] sp : ffff800010003e30 [ 31.864837][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 31.865947][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 31.866917][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 31.867849][ C0] x23: 0000000000000080 x22: 0000000735fc7110 [ 31.870081][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 31.871049][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 31.872156][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 31.879001][ C0] x15: 0000000000000000 x14: 0000000000000000 [ 31.880018][ C0] x13: ffff8000126b7000 x12: 00000000000003c0 [ 31.881143][ C0] x11: 000000000000004e x10: 0000000000000000 [ 31.882225][ C0] x9 : ffff00007fbc1c40 x8 : 0000000735bc4de0 [ 31.883405][ C0] x7 : 7fffffffffffffff x6 : 0000000735bc4de0 [ 31.884512][ C0] x5 : 0000000735bc4de0 x4 : f9ff0000041e1498 [ 31.885498][ C0] x3 : 0000000736ba99e0 x2 : 0000000735bc4de0 [ 31.886528][ C0] x1 : 0000000736ba99e0 x0 : 0000000000000005 [ 31.887699][ C0] Call trace: [ 31.888318][ C0] vkms_vblank_simulate+0x120/0x130 [ 31.889126][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 31.889824][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 31.890849][ C0] arch_timer_handler_phys+0x38/0x50 [ 31.892232][ C0] handle_percpu_devid_irq+0x84/0x150 [ 31.893787][ C0] __handle_domain_irq+0x7c/0xe0 [ 31.894967][ C0] gic_handle_irq+0x50/0xd0 [ 31.896192][ C0] el1_irq+0xb4/0x180 [ 31.897257][ C0] arch_cpu_idle+0x18/0x30 [ 31.898356][ C0] default_idle_call+0x24/0x6c [ 31.899554][ C0] do_idle+0x22c/0x29c [ 31.900727][ C0] cpu_startup_entry+0x24/0x70 [ 31.902080][ C0] rest_init+0xd8/0xe8 [ 31.903369][ C0] arch_call_rest_init+0x10/0x1c [ 31.904460][ C0] start_kernel+0x558/0x590 [ 31.905477][ C0] 0x0 [ 31.906337][ C0] ---[ end trace 389be3dcf46d9ae5 ]--- [ 32.021068][ C0] ------------[ cut here ]------------ [ 32.021913][ C0] WARNING: CPU: 0 PID: 1 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 32.023159][ C0] Modules linked in: [ 32.023877][ C0] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 32.025185][ C0] Hardware name: linux,dummy-virt (DT) [ 32.025892][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 32.026818][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 32.027538][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 32.028310][ C0] sp : ffff800010003e30 [ 32.032959][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 32.034021][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 32.034970][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 32.035939][ C0] x23: 0000000000000080 x22: 000000073ffea0c0 [ 32.036922][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 32.037937][ C0] x19: f9ff0000041e1498 x18: 00000000fffffffb [ 32.038909][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 32.039859][ C0] x15: 00000450af306e7e x14: 0000000000000000 [ 32.040903][ C0] x13: 00006a1da3b4b884 x12: 01a87dcf1d35e6b7 [ 32.041887][ C0] x11: 000000000000b67e x10: 0000000000000001 [ 32.042897][ C0] x9 : 0000000000000400 x8 : 000000073fab45e0 [ 32.043860][ C0] x7 : 7fffffffffffffff x6 : 000000073fab45e0 [ 32.057121][ C0] x5 : 000000073fab45e0 x4 : f9ff0000041e1498 [ 32.058192][ C0] x3 : 0000000740a991e0 x2 : 000000073fab45e0 [ 32.059280][ C0] x1 : 0000000740a991e0 x0 : 000000000000000a [ 32.061077][ C0] Call trace: [ 32.061620][ C0] vkms_vblank_simulate+0x120/0x130 [ 32.062968][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 32.063761][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 32.064481][ C0] arch_timer_handler_phys+0x38/0x50 [ 32.065320][ C0] handle_percpu_devid_irq+0x84/0x150 [ 32.066041][ C0] __handle_domain_irq+0x7c/0xe0 [ 32.066790][ C0] gic_handle_irq+0x50/0xd0 [ 32.067449][ C0] el1_irq+0xb4/0x180 [ 32.068133][ C0] queue_work_on+0x2c/0x80 [ 32.068876][ C0] call_usermodehelper_exec+0x134/0x200 [ 32.069702][ C0] kobject_uevent_env+0x578/0x690 [ 32.070482][ C0] kobject_uevent+0x14/0x20 [ 32.071214][ C0] device_add+0x330/0x7d0 [ 32.071897][ C0] device_create_groups_vargs+0x108/0x174 [ 32.073290][ C0] device_create+0x5c/0x8c [ 32.073949][ C0] bdi_register_va+0x80/0x214 [ 32.074588][ C0] bdi_register+0x58/0x80 [ 32.075211][ C0] __device_add_disk+0x40c/0x490 [ 32.075950][ C0] device_add_disk+0x14/0x20 [ 32.076711][ C0] loop_add+0x1f4/0x260 [ 32.077319][ C0] loop_init+0x104/0x158 [ 32.077941][ C0] do_one_initcall+0x50/0x1b0 [ 32.078599][ C0] kernel_init_freeable+0x1d8/0x240 [ 32.079339][ C0] kernel_init+0x14/0x118 [ 32.079972][ C0] ret_from_fork+0x10/0x34 [ 32.080706][ C0] ---[ end trace 389be3dcf46d9ae6 ]--- [ 32.082231][ C0] ------------[ cut here ]------------ [ 32.085553][ C0] WARNING: CPU: 0 PID: 1 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 32.086732][ C0] Modules linked in: [ 32.087409][ C0] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 32.088759][ C0] Hardware name: linux,dummy-virt (DT) [ 32.089446][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 32.090352][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 32.091139][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 32.091885][ C0] sp : ffff800010003e30 [ 32.093151][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 32.094163][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 32.095227][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 32.096251][ C0] x23: 0000000000000080 x22: 0000000743a39d30 [ 32.097249][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 32.098268][ C0] x19: f9ff0000041e1498 x18: 00000000fffffffb [ 32.099259][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 32.100240][ C0] x15: 0000361c0937d4d4 x14: 00000000000003f1 [ 32.101234][ C0] x13: 0000000000000001 x12: 0000000000000013 [ 32.102195][ C0] x11: 0000000000000001 x10: 00000000000003f1 [ 32.103786][ C0] x9 : 0000000001d48f63 x8 : 0000000743a475e0 [ 32.104749][ C0] x7 : 7fffffffffffffff x6 : 0000000743a475e0 [ 32.105715][ C0] x5 : 0000000743a475e0 x4 : f9ff0000041e1498 [ 32.106748][ C0] x3 : 0000000744a2c1e0 x2 : 0000000743a475e0 [ 32.107755][ C0] x1 : 0000000744a2c1e0 x0 : 0000000000000004 [ 32.108854][ C0] Call trace: [ 32.109393][ C0] vkms_vblank_simulate+0x120/0x130 [ 32.110166][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 32.110953][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 32.111661][ C0] arch_timer_handler_phys+0x38/0x50 [ 32.113037][ C0] handle_percpu_devid_irq+0x84/0x150 [ 32.113762][ C0] __handle_domain_irq+0x7c/0xe0 [ 32.114445][ C0] gic_handle_irq+0x50/0xd0 [ 32.115097][ C0] el1_irq+0xb4/0x180 [ 32.115713][ C0] queue_work_on+0x2c/0x80 [ 32.116355][ C0] call_usermodehelper_exec+0x134/0x200 [ 32.117132][ C0] kobject_uevent_env+0x578/0x690 [ 32.117781][ C0] kobject_uevent+0x14/0x20 [ 32.118450][ C0] device_add+0x330/0x7d0 [ 32.119132][ C0] device_create_groups_vargs+0x108/0x174 [ 32.119906][ C0] device_create+0x5c/0x8c [ 32.120600][ C0] bdi_register_va+0x80/0x214 [ 32.121321][ C0] bdi_register+0x58/0x80 [ 32.122039][ C0] __device_add_disk+0x40c/0x490 [ 32.123328][ C0] device_add_disk+0x14/0x20 [ 32.124022][ C0] loop_add+0x1f4/0x260 [ 32.124674][ C0] loop_init+0x104/0x158 [ 32.125339][ C0] do_one_initcall+0x50/0x1b0 [ 32.126070][ C0] kernel_init_freeable+0x1d8/0x240 [ 32.126850][ C0] kernel_init+0x14/0x118 [ 32.127560][ C0] ret_from_fork+0x10/0x34 [ 32.128211][ C0] ---[ end trace 389be3dcf46d9ae7 ]--- [ 32.129423][ C0] ------------[ cut here ]------------ [ 32.130080][ C0] WARNING: CPU: 0 PID: 1 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 32.131270][ C0] Modules linked in: [ 32.131926][ C0] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 32.134312][ C0] Hardware name: linux,dummy-virt (DT) [ 32.134924][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 32.135703][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 32.136447][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 32.137208][ C0] sp : ffff800010003e30 [ 32.137754][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 32.138780][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 32.139846][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 32.140898][ C0] x23: 0000000000000080 x22: 000000074674c870 [ 32.141980][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 32.143397][ C0] x19: f9ff0000041e1498 x18: 00000000fffffffb [ 32.144435][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 32.145405][ C0] x15: 00002b3f06f6787e x14: 0000000000000024 [ 32.146609][ C0] x13: 0000000000000001 x12: 000000000000002e [ 32.147642][ C0] x11: 0000000000000001 x10: 0000000000000024 [ 32.148653][ C0] x9 : 00000000027432d5 x8 : 0000000745a10de0 [ 32.149505][ C0] x7 : 7fffffffffffffff x6 : 0000000745a10de0 [ 32.150429][ C0] x5 : 0000000745a10de0 x4 : f9ff0000041e1498 [ 32.151507][ C0] x3 : 00000007469f59e0 x2 : 0000000745a10de0 [ 32.153042][ C0] x1 : 00000007469f59e0 x0 : 0000000000000002 [ 32.154048][ C0] Call trace: [ 32.154547][ C0] vkms_vblank_simulate+0x120/0x130 [ 32.155965][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 32.157093][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 32.157847][ C0] arch_timer_handler_phys+0x38/0x50 [ 32.158603][ C0] handle_percpu_devid_irq+0x84/0x150 [ 32.159365][ C0] __handle_domain_irq+0x7c/0xe0 [ 32.160108][ C0] gic_handle_irq+0x50/0xd0 [ 32.160844][ C0] el1_irq+0xb4/0x180 [ 32.161524][ C0] queue_work_on+0x2c/0x80 [ 32.162181][ C0] call_usermodehelper_exec+0x134/0x200 [ 32.163457][ C0] kobject_uevent_env+0x578/0x690 [ 32.164157][ C0] kobject_uevent+0x14/0x20 [ 32.164838][ C0] device_add+0x330/0x7d0 [ 32.165457][ C0] device_create_groups_vargs+0x108/0x174 [ 32.166156][ C0] device_create+0x5c/0x8c [ 32.166816][ C0] bdi_register_va+0x80/0x214 [ 32.167502][ C0] bdi_register+0x58/0x80 [ 32.168144][ C0] __device_add_disk+0x40c/0x490 [ 32.168859][ C0] device_add_disk+0x14/0x20 [ 32.169527][ C0] loop_add+0x1f4/0x260 [ 32.170176][ C0] loop_init+0x104/0x158 [ 32.170837][ C0] do_one_initcall+0x50/0x1b0 [ 32.171521][ C0] kernel_init_freeable+0x1d8/0x240 [ 32.172658][ C0] kernel_init+0x14/0x118 [ 32.173462][ C0] ret_from_fork+0x10/0x34 [ 32.174144][ C0] ---[ end trace 389be3dcf46d9ae8 ]--- [ 32.275361][ C0] ------------[ cut here ]------------ [ 32.279253][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 32.281046][ C0] Modules linked in: [ 32.281627][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 32.282961][ C0] Hardware name: linux,dummy-virt (DT) [ 32.283537][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 32.284213][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 32.284841][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 32.285454][ C0] sp : ffff800010003e30 [ 32.285918][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 32.286825][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 32.287892][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 32.289035][ C0] x23: 0000000000000080 x22: 000000074f2b24f0 [ 32.290066][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 32.290976][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 32.292410][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 32.293408][ C0] x15: 0000000000000000 x14: 0000000000000000 [ 32.294306][ C0] x13: 0000000000000003 x12: 0000000000000040 [ 32.295191][ C0] x11: f0ff000003400260 x10: f0ff000003400262 [ 32.296067][ C0] x9 : ffff8000127cbe78 x8 : 000000074e91b9e0 [ 32.297018][ C0] x7 : 7fffffffffffffff x6 : 000000074e91b9e0 [ 32.297893][ C0] x5 : 000000074e91b9e0 x4 : f9ff0000041e1498 [ 32.298819][ C0] x3 : 000000074f9005e0 x2 : 000000074e91b9e0 [ 32.301311][ C0] x1 : 000000074f9005e0 x0 : 0000000000000009 [ 32.303569][ C0] Call trace: [ 32.304078][ C0] vkms_vblank_simulate+0x120/0x130 [ 32.304817][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 32.305585][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 32.306221][ C0] arch_timer_handler_phys+0x38/0x50 [ 32.306922][ C0] handle_percpu_devid_irq+0x84/0x150 [ 32.307607][ C0] __handle_domain_irq+0x7c/0xe0 [ 32.308262][ C0] gic_handle_irq+0x50/0xd0 [ 32.308918][ C0] el1_irq+0xb4/0x180 [ 32.309497][ C0] arch_cpu_idle+0x18/0x30 [ 32.310089][ C0] default_idle_call+0x24/0x6c [ 32.310717][ C0] do_idle+0x22c/0x29c [ 32.311298][ C0] cpu_startup_entry+0x24/0x70 [ 32.311940][ C0] rest_init+0xd8/0xe8 [ 32.313063][ C0] arch_call_rest_init+0x10/0x1c [ 32.313958][ C0] start_kernel+0x558/0x590 [ 32.315834][ C0] 0x0 [ 32.316329][ C0] ---[ end trace 389be3dcf46d9ae9 ]--- [ 32.317528][ C0] ------------[ cut here ]------------ [ 32.318155][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 32.319395][ C0] Modules linked in: [ 32.320754][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 32.324602][ C0] Hardware name: linux,dummy-virt (DT) [ 32.325322][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 32.326211][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 32.327016][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 32.327726][ C0] sp : ffff800010003e30 [ 32.328245][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 32.329197][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 32.330201][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 32.331248][ C0] x23: 0000000000000080 x22: 0000000751aee100 [ 32.336834][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 32.339606][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 32.343152][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 32.348094][ C0] x15: 0000000000000000 x14: 000000000000ba7e [ 32.349550][ C0] x13: 00001a8bbb59be88 x12: 00000000000003c6 [ 32.351926][ C0] x11: 0000000000000011 x10: 0000000000000000 [ 32.355943][ C0] x9 : ffff00007fbc1c40 x8 : 00000007518c9de0 [ 32.359242][ C0] x7 : 7fffffffffffffff x6 : 00000007518c9de0 [ 32.360360][ C0] x5 : 00000007518c9de0 x4 : f9ff0000041e1498 [ 32.365151][ C0] x3 : 00000007528ae9e0 x2 : 00000007518c9de0 [ 32.368142][ C0] x1 : 00000007528ae9e0 x0 : 0000000000000003 [ 32.370701][ C0] Call trace: [ 32.371546][ C0] vkms_vblank_simulate+0x120/0x130 [ 32.373476][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 32.374323][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 32.374972][ C0] arch_timer_handler_phys+0x38/0x50 [ 32.375667][ C0] handle_percpu_devid_irq+0x84/0x150 [ 32.376424][ C0] __handle_domain_irq+0x7c/0xe0 [ 32.377104][ C0] gic_handle_irq+0x50/0xd0 [ 32.377707][ C0] el1_irq+0xb4/0x180 [ 32.378282][ C0] arch_cpu_idle+0x18/0x30 [ 32.378939][ C0] default_idle_call+0x24/0x6c [ 32.379596][ C0] do_idle+0x22c/0x29c [ 32.380221][ C0] cpu_startup_entry+0x24/0x70 [ 32.380939][ C0] rest_init+0xd8/0xe8 [ 32.381545][ C0] arch_call_rest_init+0x10/0x1c [ 32.382200][ C0] start_kernel+0x558/0x590 [ 32.382910][ C0] 0x0 [ 32.383391][ C0] ---[ end trace 389be3dcf46d9aea ]--- [ 32.384448][ C0] ------------[ cut here ]------------ [ 32.385053][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 32.386190][ C0] Modules linked in: [ 32.386833][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 32.388800][ C0] Hardware name: linux,dummy-virt (DT) [ 32.389479][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 32.390285][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 32.390987][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 32.391728][ C0] sp : ffff800010003e30 [ 32.392223][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 32.393605][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 32.394580][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 32.395537][ C0] x23: 0000000000000080 x22: 0000000755a939b0 [ 32.396480][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 32.397352][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 32.398236][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 32.399150][ C0] x15: 0000000000000000 x14: 0000000000000000 [ 32.400075][ C0] x13: ffff8000126b7000 x12: 0000000000000333 [ 32.401048][ C0] x11: 0000000000000040 x10: 0000000000000000 [ 32.401981][ C0] x9 : ffff00007fbc1c40 x8 : 000000075585cde0 [ 32.403169][ C0] x7 : 7fffffffffffffff x6 : 000000075585cde0 [ 32.404595][ C0] x5 : 000000075585cde0 x4 : f9ff0000041e1498 [ 32.405630][ C0] x3 : 00000007568419e0 x2 : 000000075585cde0 [ 32.406592][ C0] x1 : 00000007568419e0 x0 : 0000000000000004 [ 32.407470][ C0] Call trace: [ 32.407909][ C0] vkms_vblank_simulate+0x120/0x130 [ 32.408650][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 32.409345][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 32.410002][ C0] arch_timer_handler_phys+0x38/0x50 [ 32.410718][ C0] handle_percpu_devid_irq+0x84/0x150 [ 32.411420][ C0] __handle_domain_irq+0x7c/0xe0 [ 32.412135][ C0] gic_handle_irq+0x50/0xd0 [ 32.413088][ C0] el1_irq+0xb4/0x180 [ 32.413697][ C0] arch_cpu_idle+0x18/0x30 [ 32.414325][ C0] default_idle_call+0x24/0x6c [ 32.414991][ C0] do_idle+0x22c/0x29c [ 32.415648][ C0] cpu_startup_entry+0x24/0x70 [ 32.416276][ C0] rest_init+0xd8/0xe8 [ 32.416880][ C0] arch_call_rest_init+0x10/0x1c [ 32.417492][ C0] start_kernel+0x558/0x590 [ 32.418077][ C0] 0x0 [ 32.418554][ C0] ---[ end trace 389be3dcf46d9aeb ]--- [ 32.511098][ T1] loop: module loaded [ 32.519921][ C0] ------------[ cut here ]------------ [ 32.520686][ C0] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 [ 32.521736][ C0] Modules linked in: [ 32.522424][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.12.0-rc5-syzkaller-00091-g1678e493d530 #0 [ 32.523716][ C0] Hardware name: linux,dummy-virt (DT) [ 32.524330][ C0] pstate: 20400089 (nzCv daIf +PAN -UAO -TCO BTYPE=--) [ 32.525138][ C0] pc : vkms_vblank_simulate+0x120/0x130 [ 32.525806][ C0] lr : vkms_vblank_simulate+0x3c/0x130 [ 32.526478][ C0] sp : ffff800010003e30 [ 32.526995][ C0] x29: ffff800010003e30 x28: ffff00007fbbce00 [ 32.527900][ C0] x27: ffff00007fbbce40 x26: ffff800010800960 [ 32.528858][ C0] x25: 0000000000000000 x24: 0000000000000001 [ 32.529750][ C0] x23: 0000000000000080 x22: 000000075dbc2270 [ 32.530680][ C0] x21: 0000000000fe4c00 x20: f9ff0000041e0628 [ 32.531594][ C0] x19: f9ff0000041e1498 x18: 000000000000000e [ 32.534671][ C0] x17: 0000000000000001 x16: 0000000000000019 [ 32.537798][ C0] x15: 0000000000000000 x14: 000000000000ba7e [ 32.542610][ C0] x13: 00002fe8e24c4bd1 x12: 00bfacdab9027f26 [ 32.546867][ C0] x11: 000000000000b67e x10: 00000000000038a8 [ 32.550021][ C0] x9 : 0000000000002fe8 x8 : 000000075d782de0 [ 32.554619][ C0] x7 : 7fffffffffffffff x6 : 000000075d782de0 [ 32.558507][ C0] x5 : 000000075d782de0 x4 : f9ff0000041e1498 [ 32.562879][ C0] x3 : 000000075e7679e0 x2 : 000000075d782de0 [ 32.569315][ C0] x1 : 000000075e7679e0 x0 : 0000000000000008 [ 32.574308][ C0] Call trace: [ 32.577268][ C0] vkms_vblank_simulate+0x120/0x130 [ 32.580671][ C0] __hrtimer_run_queues+0x140/0x1e0 [ 32.581868][ C0] hrtimer_interrupt+0xe8/0x2c0 [ 32.582689][ C0] arch_timer_handler_phys+0x38/0x50 [ 32.583368][ C0] handle_percpu_devid_irq+0x84/0x150 [ 32.584073][ C0] __handle_domain_irq+0x7c/0xe0 [ 32.585029][ C0] gic_handle_irq+0x50/0xd0 [ 32.585761][ C0] el1_irq+0xb4/0x180 [ 32.586351][ C0] arch_cpu_idle+0x18/0x30 [ 32.587007][ C0] default_idle_call+0x24/0x6c [ 32.587717][ C0] do_idle+0x22c/0x29c [ 32.588327][ C0] cpu_startup_entry+0x24/0x70 [ 32.589028][ C0] rest_init+0xd8/0xe8 [ 32.589679][ C0] arch_call_rest_init+0x10/0x1c [ 32.590395][ C0] start_kernel+0x558/0x590 [ 32.590997][ C0] 0x0 [ 32.591459][ C0] ---[ end trace 389be3dcf46d9aec ]---