[ 0.000000][ T0] Linux version 5.8.0-rc1-syzkaller (syzkaller@syzkaller) (gcc (GCC) 9.0.0 20181231 (experimental), GNU ld (GNU Binutils for Ubuntu) 2.26.1) #0 SMP PREEMPT now [ 0.000000][ T0] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 security=apparmor lsm=lockdown,yama,safesetid,integrity,tomoyo,apparmor ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] Centaur CentaurHauls [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable [ 0.000000][ T0] printk: bootconsole [earlyser0] enabled [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000005][ T0] kvm-clock: cpu 0, msr be6b001, primary cpu clock [ 0.000005][ T0] kvm-clock: using sched offset of 3244539428 cycles [ 0.001179][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.006094][ T0] tsc: Detected 2300.000 MHz processor [ 0.008749][ T0] last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.010617][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.013097][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.020866][ T0] found SMP MP-table at [mem 0x000f2390-0x000f239f] [ 0.022767][ T0] check: Scanning 1 areas for low memory corruption [ 0.023873][ T0] Using GB pages for direct mapping [ 0.028104][ T0] ACPI: Early table checksum verification disabled [ 0.030420][ T0] ACPI: RSDP 0x00000000000F2110 000014 (v00 Google) [ 0.032009][ T0] ACPI: RSDT 0x00000000BFFFFFC0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.035048][ T0] ACPI: FACP 0x00000000BFFFF380 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.037037][ T0] ACPI: DSDT 0x00000000BFFFDAC0 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.039036][ T0] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.040251][ T0] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.041968][ T0] ACPI: SRAT 0x00000000BFFFFEB0 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.045629][ T0] ACPI: APIC 0x00000000BFFFFE00 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.048809][ T0] ACPI: SSDT 0x00000000BFFFF480 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.051300][ T0] ACPI: WAET 0x00000000BFFFFE80 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.053392][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.054266][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.055209][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.056534][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.058824][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x21fffffff] [ 0.060044][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.062829][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x21fffffff] -> [mem 0x00000000-0x21fffffff] [ 0.065466][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000012fffffff] (4864MB) [ 0.067707][ T0] Faking node 1 at [mem 0x0000000130000000-0x000000021fffffff] (3840MB) [ 0.069966][ T0] NODE_DATA(0) allocated [mem 0x12fffb000-0x12fffffff] [ 0.072646][ T0] NODE_DATA(1) allocated [mem 0x21fff8000-0x21fffcfff] [ 0.151288][ T0] Zone ranges: [ 0.152078][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.153854][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.155732][ T0] Normal [mem 0x0000000100000000-0x000000021fffffff] [ 0.157452][ T0] Device empty [ 0.158452][ T0] Movable zone start for each node [ 0.159627][ T0] Early memory node ranges [ 0.160269][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.161721][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.162988][ T0] node 0: [mem 0x0000000100000000-0x000000012fffffff] [ 0.164914][ T0] node 1: [mem 0x0000000130000000-0x000000021fffffff] [ 0.166769][ T0] Zeroed struct page in unavailable ranges: 101 pages [ 0.166777][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000012fffffff] [ 0.199075][ T0] Initmem setup node 1 [mem 0x0000000130000000-0x000000021fffffff] [ 0.845814][ T0] kasan: KernelAddressSanitizer initialized [ 0.847468][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.848732][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.850610][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.853098][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.855194][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.856972][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.859216][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.860821][ T0] Using ACPI (MADT) for SMP configuration information [ 0.863111][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.865078][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.866984][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.869484][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.871366][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.873695][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.876262][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.878256][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.880299][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.882144][ T0] Booting paravirtualized kernel on KVM [ 0.883216][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.938054][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:2 [ 0.941754][ T0] percpu: Embedded 65 pages/cpu s226696 r8192 d31352 u1048576 [ 0.944420][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.946747][ T0] Built 2 zonelists, mobility grouping on. Total pages: 1935238 [ 0.948527][ T0] Policy zone: Normal [ 0.949956][ T0] Kernel command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 security=apparmor lsm=lockdown,yama,safesetid,integrity,tomoyo,apparmor ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 [ 0.969767][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 1.956045][ T0] Memory: 6461436K/7863916K available (116743K kernel code, 17412K rwdata, 21756K rodata, 2776K init, 24336K bss, 1402480K reserved, 0K cma-reserved) [ 1.964425][ T0] Running RCU self tests [ 1.965039][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.966056][ T0] rcu: RCU lockdep checking is enabled. [ 1.967368][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 1.968631][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 1.969735][ T0] rcu: RCU debug extended QS entry/exit. [ 1.970586][ T0] Trampoline variant of Tasks RCU enabled. [ 1.971357][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.972577][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.981855][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.983870][ T0] random: get_random_bytes called from start_kernel+0x672/0x9fb with crng_init=0 [ 1.988173][ T0] Console: colour VGA+ 80x25 [ 1.992296][ T0] printk: console [ttyS0] enabled [ 1.992296][ T0] printk: console [ttyS0] enabled [ 1.993851][ T0] printk: bootconsole [earlyser0] disabled [ 1.993851][ T0] printk: bootconsole [earlyser0] disabled [ 1.995608][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.996863][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.997567][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.998403][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.999305][ T0] ... CLASSHASH_SIZE: 4096 [ 2.000275][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 2.005920][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 2.006970][ T0] ... CHAINHASH_SIZE: 32768 [ 2.007766][ T0] memory used by lock dependency info: 6301 kB [ 2.008795][ T0] memory used for stack traces: 4224 kB [ 2.009611][ T0] per task-struct memory footprint: 1920 bytes [ 2.011046][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 2.013228][ T0] ACPI: Core revision 20200528 [ 2.016050][ T0] APIC: Switch to symmetric I/O mode setup [ 2.017531][ T0] x2apic enabled [ 2.019996][ T0] Switched APIC routing to physical x2apic. [ 2.024309][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 2.025609][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 2.027433][ T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 2.028911][ T0] pid_max: default: 32768 minimum: 301 [ 2.031480][ T0] LSM: Security Framework initializing [ 2.032409][ T0] LSM: security= is ignored because it is superseded by lsm= [ 2.033619][ T0] Yama: becoming mindful. [ 2.034719][ T0] TOMOYO Linux initialized [ 2.038501][ T0] AppArmor: AppArmor initialized [ 2.047276][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc) [ 2.051525][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc) [ 2.053430][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.055009][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.061522][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 2.062998][ T0] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 2.064060][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.065465][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 2.065505][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.068724][ T0] MDS: Mitigation: Clear CPU buffers [ 2.070208][ T0] Freeing SMP alternatives memory: 96K [ 2.193906][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 2.197211][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 2.197422][ T1] rcu: Hierarchical SRCU implementation. [ 2.197422][ T1] dynamic_debug:dynamic_debug_init: Ignore empty _ddebug table in a CONFIG_DYNAMIC_DEBUG_CORE build [ 2.197422][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.199261][ T1] smp: Bringing up secondary CPUs ... [ 2.205448][ T1] x86: Booting SMP configuration: [ 2.206410][ T1] .... node #0, CPUs: #1 [ 0.033720][ T0] kvm-clock: cpu 1, msr be6b041, secondary cpu clock [ 2.210441][ T1] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 2.210441][ T1] smp: Brought up 2 nodes, 2 CPUs [ 2.210694][ T1] smpboot: Max logical packages: 1 [ 2.211556][ T1] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 2.218397][ T1] devtmpfs: initialized [ 2.218478][ T1] x86/mm: Memory block size: 128MB [ 2.248718][ T22] kworker/u4:0 (22) used greatest stack depth: 27680 bytes left [ 2.250185][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.250185][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 2.251500][ T1] xor: automatically using best checksumming function avx [ 2.257886][ T1] PM: RTC time: 05:41:02, date: 2020-06-16 [ 2.258240][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.258240][ T1] thermal_sys: Registered thermal governor 'user_space' [ 2.261854][ T1] NET: Registered protocol family 16 [ 2.268212][ T1] audit: initializing netlink subsys (disabled) [ 2.269586][ T28] audit: type=2000 audit(1592286062.096:1): state=initialized audit_enabled=0 res=1 [ 2.272035][ T36] kworker/u4:1 (36) used greatest stack depth: 27552 bytes left [ 2.281314][ T1] cpuidle: using governor menu [ 2.283059][ T1] NET: Registered protocol family 42 [ 2.286890][ T1] ACPI: bus type PCI registered [ 2.289493][ T1] dca service started, version 1.12.1 [ 2.291152][ T1] PCI: Using configuration type 1 for base access [ 2.382547][ T176] kworker/u4:3 (176) used greatest stack depth: 26824 bytes left [ 2.816893][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 2.819333][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 2.821396][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 2.839017][ T1] cryptd: max_cpu_qlen set to 1000 [ 3.044539][ T1] raid6: avx2x4 gen() 9943 MB/s [ 3.217478][ T1] raid6: avx2x4 xor() 5214 MB/s [ 3.387456][ T1] raid6: avx2x2 gen() 6352 MB/s [ 3.557447][ T1] raid6: avx2x2 xor() 3011 MB/s [ 3.727478][ T1] raid6: avx2x1 gen() 3863 MB/s [ 3.894536][ T1] raid6: avx2x1 xor() 1603 MB/s [ 4.064566][ T1] raid6: sse2x4 gen() 4965 MB/s [ 4.237475][ T1] raid6: sse2x4 xor() 2626 MB/s [ 4.407452][ T1] raid6: sse2x2 gen() 3296 MB/s [ 4.577442][ T1] raid6: sse2x2 xor() 1525 MB/s [ 4.747444][ T1] raid6: sse2x1 gen() 1927 MB/s [ 4.917443][ T1] raid6: sse2x1 xor() 791 MB/s [ 4.918210][ T1] raid6: using algorithm avx2x4 gen() 9943 MB/s [ 4.919108][ T1] raid6: .... xor() 5214 MB/s, rmw enabled [ 4.920159][ T1] raid6: using avx2x2 recovery algorithm [ 4.922465][ T1] ACPI: Added _OSI(Module Device) [ 4.923265][ T1] ACPI: Added _OSI(Processor Device) [ 4.924045][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 4.924831][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 4.925710][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 4.926509][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 4.927463][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 4.981895][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 5.035315][ T1] ACPI: Interpreter enabled [ 5.036357][ T1] ACPI: (supports S0 S3 S4 S5) [ 5.037175][ T1] ACPI: Using IOAPIC for interrupt routing [ 5.037806][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 5.042226][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 5.148732][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 5.150143][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 5.152050][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 5.160210][ T1] PCI host bridge to bus 0000:00 [ 5.161054][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 5.162341][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 5.163659][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 5.164814][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 5.166088][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 5.167291][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 5.167758][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 5.175076][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 5.201597][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 5.220709][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 5.225645][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 5.232952][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 5.240252][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebfd000-0xfebfd07f] [ 5.260832][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 5.273322][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 5.279915][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfebfe000-0xfebfe07f] [ 5.299544][ T1] pci 0000:00:05.0: [1af4:1005] type 00 class 0x00ff00 [ 5.308756][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc080-0xc09f] [ 5.315822][ T1] pci 0000:00:05.0: reg 0x14: [mem 0xfebff000-0xfebff03f] [ 5.356598][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 5.361218][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 5.368900][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 5.374132][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 5.377950][ T1] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 5.388596][ T1] iommu: Default domain type: Translated [ 5.390593][ T1] vgaarb: loaded [ 5.397957][ T1] SCSI subsystem initialized [ 5.399065][ T1] ACPI: bus type USB registered [ 5.400525][ T1] usbcore: registered new interface driver usbfs [ 5.402613][ T1] usbcore: registered new interface driver hub [ 5.404257][ T1] usbcore: registered new device driver usb [ 5.410622][ T1] mc: Linux media interface: v0.10 [ 5.411745][ T1] videodev: Linux video capture interface: v2.00 [ 5.413416][ T1] pps_core: LinuxPPS API ver. 1 registered [ 5.414502][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 5.416020][ T1] PTP clock support registered [ 5.420971][ T1] EDAC MC: Ver: 3.0.0 [ 5.421495][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 5.432118][ T1] Bluetooth: Core ver 2.22 [ 5.433089][ T1] NET: Registered protocol family 31 [ 5.433938][ T1] Bluetooth: HCI device and connection manager initialized [ 5.435506][ T1] Bluetooth: HCI socket layer initialized [ 5.436327][ T1] Bluetooth: L2CAP socket layer initialized [ 5.437331][ T1] Bluetooth: SCO socket layer initialized [ 5.438089][ T1] NET: Registered protocol family 8 [ 5.438885][ T1] NET: Registered protocol family 20 [ 5.440069][ T1] NetLabel: Initializing [ 5.440851][ T1] NetLabel: domain hash size = 128 [ 5.441676][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 5.442893][ T1] NetLabel: unlabeled traffic allowed by default [ 5.445514][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 5.447943][ T1] NET: Registered protocol family 39 [ 5.448759][ T1] PCI: Using ACPI for IRQ routing [ 5.450380][ T1] clocksource: Switched to clocksource kvm-clock [ 8.521965][ T1] VFS: Disk quotas dquot_6.6.0 [ 8.523143][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 8.525211][ T1] FS-Cache: Loaded [ 8.527149][ T1] CacheFiles: Loaded [ 8.528249][ T1] TOMOYO: 2.6.0 [ 8.528899][ T1] Mandatory Access Control activated. [ 8.531543][ T1] AppArmor: AppArmor Filesystem Enabled [ 8.532976][ T1] pnp: PnP ACPI init [ 8.547958][ T1] pnp: PnP ACPI: found 7 devices [ 8.601457][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 8.604415][ T1] NET: Registered protocol family 2 [ 8.609290][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, vmalloc) [ 8.611735][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 8.619985][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc) [ 8.624870][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 8.629423][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 8.631886][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 8.634393][ T1] NET: Registered protocol family 1 [ 8.637005][ T1] RPC: Registered named UNIX socket transport module. [ 8.638514][ T1] RPC: Registered udp transport module. [ 8.639397][ T1] RPC: Registered tcp transport module. [ 8.640589][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 8.643545][ T1] NET: Registered protocol family 44 [ 8.644626][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 8.645828][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 8.647054][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 8.648527][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfffff window] [ 8.650488][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 8.651814][ T1] PCI: CLS 0 bytes, default 64 [ 8.656092][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 8.657251][ T1] software IO TLB: mapped [mem 0xaa600000-0xae600000] (64MB) [ 8.664558][ T1] kvm: already loaded the other module [ 8.665484][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 8.667178][ T1] clocksource: Switched to clocksource tsc [ 8.668418][ T1] mce: Machine check injector initialized [ 8.673247][ T1] check: Scanning for low memory corruption every 60 seconds [ 8.740165][ T1] Initialise system trusted keyrings [ 8.741864][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 8.743683][ T1] zbud: loaded [ 8.749896][ T1] DLM installed [ 8.753175][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 8.757119][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 8.761331][ T1] NFS: Registering the id_resolver key type [ 8.762809][ T1] Key type id_resolver registered [ 8.764082][ T1] Key type id_legacy registered [ 8.765106][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 8.766780][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 8.773714][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 8.777706][ T1] Key type cifs.spnego registered [ 8.779597][ T1] Key type cifs.idmap registered [ 8.780470][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 8.782292][ T1] fuse: init (API version 7.31) [ 8.785442][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 8.799348][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 8.804922][ T1] 9p: Installing v9fs 9p2000 file system support [ 8.806664][ T1] FS-Cache: Netfs '9p' registered for caching [ 8.808880][ T1] ocfs2: Registered cluster interface o2cb [ 8.810468][ T1] ocfs2: Registered cluster interface user [ 8.811925][ T1] OCFS2 User DLM kernel interface loaded [ 8.822818][ T1] gfs2: GFS2 installed [ 8.829495][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 8.830567][ T1] ceph: loaded (mds proto 32) [ 8.842719][ T1] NET: Registered protocol family 38 [ 8.844473][ T1] async_tx: api initialized (async) [ 8.845289][ T1] Key type asymmetric registered [ 8.846050][ T1] Asymmetric key parser 'x509' registered [ 8.846935][ T1] Asymmetric key parser 'pkcs8' registered [ 8.848345][ T1] Key type pkcs7_test registered [ 8.849291][ T1] Asymmetric key parser 'tpm_parser' registered [ 8.850926][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 8.852845][ T1] io scheduler mq-deadline registered [ 8.854342][ T1] io scheduler kyber registered [ 8.855364][ T1] io scheduler bfq registered [ 8.871225][ T1] hgafb: HGA card not detected. [ 8.872305][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 8.874420][ T1] usbcore: registered new interface driver udlfb [ 8.877198][ T1] uvesafb: failed to execute /sbin/v86d [ 8.878377][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 8.879776][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 8.880895][ T1] uvesafb: vbe_init() failed with -22 [ 8.881769][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 8.883538][ T1] vga16fb: mapped to 0x00000000924151a5 [ 8.949904][ T1] Console: switching to colour frame buffer device 80x30 [ 9.236960][ T1] fb0: VGA16 VGA frame buffer device [ 9.240050][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 9.258297][ T1] ACPI: Power Button [PWRF] [ 9.260119][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 9.262071][ T1] ACPI: Sleep Button [SLPF] [ 9.269522][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 9.286169][ T1] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 9.287357][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 9.304458][ T1] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 9.305520][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 9.329227][ T1] PCI Interrupt Link [LNKA] enabled at IRQ 10 [ 9.330423][ T1] virtio-pci 0000:00:05.0: virtio_pci: leaving for legacy driver [ 9.389763][ T1838] kworker/u4:3 (1838) used greatest stack depth: 26672 bytes left [ 9.648212][ T1] N_HDLC line discipline registered with maxframe=4096 [ 9.649514][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 9.652144][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 9.660183][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 9.665658][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 9.672360][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 9.679068][ T1] Cyclades driver 2.6 [ 9.680638][ T1] Initializing Nozomi driver 2.1d [ 9.684593][ T1] RocketPort device driver module, version 2.09, 12-June-2003 [ 9.686245][ T1] No rocketport ports found; unloading driver [ 9.690418][ T1] Non-volatile memory driver v1.3 [ 9.693076][ T1] Linux agpgart interface v0.103 [ 9.703612][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 9.705451][ T1] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 9.712006][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 9.713984][ T1] usbcore: registered new interface driver udl [ 9.765699][ T1] brd: module loaded [ 9.802726][ T1] loop: module loaded [ 9.974710][ T1] zram: Added device: zram0 [ 9.984567][ T1] null_blk: module loaded [ 9.992553][ T1] nfcsim 0.2 initialized [ 9.996223][ T1] Loading iSCSI transport class v2.0-870. [ 10.025624][ T1] scsi host0: Virtio SCSI HBA [ 10.070697][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 10.074403][ T21] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 10.098179][ T1] slram: not enough parameters. [ 10.104861][ T1] ftl_cs: FTL header not found. [ 10.142415][ T1] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information. [ 10.145077][ T1] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. [ 10.147758][ T1] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 10.157355][ T1] MACsec IEEE 802.1AE [ 10.159947][ T1] tun: Universal TUN/TAP device driver, 1.6 [ 10.210235][ T1] vcan: Virtual CAN interface driver [ 10.211961][ T1] vxcan: Virtual CAN Tunnel driver [ 10.213035][ T1] slcan: serial line CAN interface driver [ 10.215721][ T1] slcan: 10 dynamic interface channels. [ 10.217204][ T1] CAN device driver interface [ 10.219224][ T1] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI [ 10.221188][ T1] e100: Copyright(c) 1999-2006 Intel Corporation [ 10.223412][ T1] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 10.225710][ T1] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 10.227856][ T1] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 10.229470][ T1] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 10.233447][ T1] mkiss: AX.25 Multikiss, Hans Albas PE1AYX [ 10.235220][ T1] AX.25: 6pack driver, Revision: 0.3.0 [ 10.238854][ T1] AX.25: bpqether driver version 004 [ 10.240356][ T1] PPP generic driver version 2.4.2 [ 10.242883][ T1] PPP BSD Compression module registered [ 10.244415][ T1] PPP Deflate Compression module registered [ 10.245668][ T1] PPP MPPE Compression module registered [ 10.247056][ T1] NET: Registered protocol family 24 [ 10.249683][ T1] PPTP driver version 0.8.5 [ 10.251422][ T1] SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256) (6 bit encapsulation enabled). [ 10.254040][ T1] CSLIP: code copyright 1989 Regents of the University of California. [ 10.256025][ T1] SLIP linefill/keepalive option. [ 10.257550][ T1] hdlc: HDLC support module revision 1.22 [ 10.258952][ T1] x25_asy: X.25 async: version 0.00 ALPHA (dynamic channels, max=256) [ 10.260837][ T1] DLCI driver v0.35, 4 Jan 1997, mike.mclagan@linux.org. [ 10.263050][ T1] LAPB Ethernet driver version 0.02 [ 10.265312][ T1] usbcore: registered new interface driver rndis_wlan [ 10.267259][ T1] mac80211_hwsim: initializing netlink [ 10.276089][ T2597] kworker/u4:0 (2597) used greatest stack depth: 26432 bytes left [ 10.304237][ T1] fakelb driver is marked as deprecated, please use mac802154_hwsim! [ 10.318902][ T1] ieee802154fakelb ieee802154fakelb: added 2 fake ieee802154 hardware devices [ 10.341577][ T1] mac802154_hwsim mac802154_hwsim: Added 2 mac802154 hwsim hardware radios [ 10.345379][ T1] VMware vmxnet3 virtual NIC driver - version 1.5.0.0-k-NAPI [ 10.348390][ T1] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 10.351897][ T1] usbcore: registered new interface driver pegasus [ 10.356508][ T1] usbcore: registered new interface driver rtl8150 [ 10.360850][ T1] usbcore: registered new interface driver r8152 [ 10.362844][ T1] usbcore: registered new interface driver asix [ 10.365746][ T1] usbcore: registered new interface driver ax88179_178a [ 10.367342][ T1] usbcore: registered new interface driver cdc_ether [ 10.369242][ T1] usbcore: registered new interface driver dm9601 [ 10.371379][ T1] usbcore: registered new interface driver smsc75xx [ 10.373007][ T1] usbcore: registered new interface driver smsc95xx [ 10.374966][ T1] usbcore: registered new interface driver net1080 [ 10.379107][ T1] usbcore: registered new interface driver rndis_host [ 10.382178][ T1] usbcore: registered new interface driver cdc_subset [ 10.383857][ T1] usbcore: registered new interface driver zaurus [ 10.385572][ T1] usbcore: registered new interface driver MOSCHIP usb-ethernet driver [ 10.387786][ T1] usbcore: registered new interface driver cdc_ncm [ 10.389511][ T1] usbcore: registered new interface driver cdc_mbim [ 10.399400][ T1] VFIO - User Level meta-driver version: 0.3 [ 10.415809][ T1] aoe: AoE v85 initialised. [ 10.425236][ T1] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 10.426660][ T1] ehci-pci: EHCI PCI platform driver [ 10.428626][ T1] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 10.429961][ T1] ohci-pci: OHCI PCI platform driver [ 10.432006][ T1] uhci_hcd: USB Universal Host Controller Interface driver [ 10.435876][ T1] usbcore: registered new interface driver cdc_acm [ 10.437059][ T1] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters [ 10.442676][ T1] usbcore: registered new interface driver usblp [ 10.444428][ T1] usbcore: registered new interface driver cdc_wdm [ 10.446397][ T1] usbcore: registered new interface driver uas [ 10.447902][ T1] usbcore: registered new interface driver usb-storage [ 10.450584][ T1] usbcore: registered new interface driver ums-realtek [ 10.452380][ T1] usbcore: registered new interface driver usbserial_generic [ 10.454685][ T1] usbserial: USB Serial support registered for generic [ 10.456185][ T1] usbcore: registered new interface driver ch341 [ 10.458371][ T1] usbserial: USB Serial support registered for ch341-uart [ 10.460009][ T1] usbcore: registered new interface driver cp210x [ 10.462093][ T1] usbserial: USB Serial support registered for cp210x [ 10.463504][ T1] usbcore: registered new interface driver ftdi_sio [ 10.465878][ T1] usbserial: USB Serial support registered for FTDI USB Serial Device [ 10.468672][ T1] usbcore: registered new interface driver keyspan [ 10.469898][ T1] usbserial: USB Serial support registered for Keyspan - (without firmware) [ 10.471356][ T1] usbserial: USB Serial support registered for Keyspan 1 port adapter [ 10.472687][ T1] usbserial: USB Serial support registered for Keyspan 2 port adapter [ 10.474830][ T1] usbserial: USB Serial support registered for Keyspan 4 port adapter [ 10.476200][ T1] usbcore: registered new interface driver option [ 10.477208][ T1] usbserial: USB Serial support registered for GSM modem (1-port) [ 10.480868][ T1] usbcore: registered new interface driver oti6858 [ 10.482444][ T1] usbserial: USB Serial support registered for oti6858 [ 10.483973][ T1] usbcore: registered new interface driver pl2303 [ 10.485407][ T1] usbserial: USB Serial support registered for pl2303 [ 10.487411][ T1] usbcore: registered new interface driver qcserial [ 10.490458][ T1] usbserial: USB Serial support registered for Qualcomm USB modem [ 10.496509][ T1] usbcore: registered new interface driver sierra [ 10.499874][ T1] usbserial: USB Serial support registered for Sierra USB modem [ 10.501635][ T1] usbcore: registered new interface driver usb_serial_simple [ 10.503100][ T1] usbserial: USB Serial support registered for carelink [ 10.504732][ T1] usbserial: USB Serial support registered for zio [ 10.505998][ T1] usbserial: USB Serial support registered for funsoft [ 10.509808][ T1] usbserial: USB Serial support registered for flashloader [ 10.511243][ T1] usbserial: USB Serial support registered for google [ 10.512705][ T1] usbserial: USB Serial support registered for libtransistor [ 10.514253][ T1] usbserial: USB Serial support registered for vivopay [ 10.516156][ T1] usbserial: USB Serial support registered for moto_modem [ 10.517997][ T1] usbserial: USB Serial support registered for motorola_tetra [ 10.519653][ T1] usbserial: USB Serial support registered for novatel_gps [ 10.521604][ T1] usbserial: USB Serial support registered for hp4x [ 10.523733][ T1] usbserial: USB Serial support registered for suunto [ 10.525277][ T1] usbserial: USB Serial support registered for siemens_mpi [ 10.529082][ T1] dummy_hcd dummy_hcd.0: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.533318][ T1] dummy_hcd dummy_hcd.0: Dummy host controller [ 10.536805][ T1] dummy_hcd dummy_hcd.0: new USB bus registered, assigned bus number 1 [ 10.541578][ T1] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 10.543091][ T1] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.544988][ T1] usb usb1: Product: Dummy host controller [ 10.546043][ T1] usb usb1: Manufacturer: Linux 5.8.0-rc1-syzkaller dummy_hcd [ 10.547422][ T1] usb usb1: SerialNumber: dummy_hcd.0 [ 10.552905][ T1] hub 1-0:1.0: USB hub found [ 10.554703][ T1] hub 1-0:1.0: 1 port detected [ 10.562086][ T1] dummy_hcd dummy_hcd.1: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.564334][ T1] dummy_hcd dummy_hcd.1: Dummy host controller [ 10.566736][ T1] dummy_hcd dummy_hcd.1: new USB bus registered, assigned bus number 2 [ 10.570878][ T1] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 10.573221][ T1] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.574744][ T1] usb usb2: Product: Dummy host controller [ 10.576081][ T1] usb usb2: Manufacturer: Linux 5.8.0-rc1-syzkaller dummy_hcd [ 10.577644][ T1] usb usb2: SerialNumber: dummy_hcd.1 [ 10.582957][ T1] hub 2-0:1.0: USB hub found [ 10.584075][ T1] hub 2-0:1.0: 1 port detected [ 10.588913][ T1] dummy_hcd dummy_hcd.2: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.590444][ T1] dummy_hcd dummy_hcd.2: Dummy host controller [ 10.592439][ T1] dummy_hcd dummy_hcd.2: new USB bus registered, assigned bus number 3 [ 10.595149][ T1] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 10.596522][ T1] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.599062][ T1] usb usb3: Product: Dummy host controller [ 10.600201][ T1] usb usb3: Manufacturer: Linux 5.8.0-rc1-syzkaller dummy_hcd [ 10.601301][ T1] usb usb3: SerialNumber: dummy_hcd.2 [ 10.605470][ T1] hub 3-0:1.0: USB hub found [ 10.606698][ T1] hub 3-0:1.0: 1 port detected [ 10.612499][ T1] dummy_hcd dummy_hcd.3: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.614017][ T1] dummy_hcd dummy_hcd.3: Dummy host controller [ 10.618050][ T1] dummy_hcd dummy_hcd.3: new USB bus registered, assigned bus number 4 [ 10.620872][ T1] usb usb4: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 10.622532][ T1] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.623979][ T1] usb usb4: Product: Dummy host controller [ 10.625048][ T1] usb usb4: Manufacturer: Linux 5.8.0-rc1-syzkaller dummy_hcd [ 10.626444][ T1] usb usb4: SerialNumber: dummy_hcd.3 [ 10.630365][ T1] hub 4-0:1.0: USB hub found [ 10.632124][ T1] hub 4-0:1.0: 1 port detected [ 10.637105][ T1] dummy_hcd dummy_hcd.4: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.639014][ T1] dummy_hcd dummy_hcd.4: Dummy host controller [ 10.641040][ T1] dummy_hcd dummy_hcd.4: new USB bus registered, assigned bus number 5 [ 10.643768][ T1] usb usb5: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 10.645213][ T1] usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.646735][ T1] usb usb5: Product: Dummy host controller [ 10.647846][ T1] usb usb5: Manufacturer: Linux 5.8.0-rc1-syzkaller dummy_hcd [ 10.649142][ T1] usb usb5: SerialNumber: dummy_hcd.4 [ 10.654001][ T1] hub 5-0:1.0: USB hub found [ 10.655020][ C1] random: fast init done [ 10.656121][ T1] hub 5-0:1.0: 1 port detected [ 10.662287][ T1] dummy_hcd dummy_hcd.5: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.663878][ T1] dummy_hcd dummy_hcd.5: Dummy host controller [ 10.667182][ T1] dummy_hcd dummy_hcd.5: new USB bus registered, assigned bus number 6 [ 10.671422][ T21] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 10.671715][ T7] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 10.674611][ T7] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 10.675728][ T7] sd 0:0:1:0: [sda] Write Protect is off [ 10.677151][ T7] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 10.678068][ T1] usb usb6: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 10.681044][ T1] usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.683069][ T1] usb usb6: Product: Dummy host controller [ 10.684129][ T1] usb usb6: Manufacturer: Linux 5.8.0-rc1-syzkaller dummy_hcd [ 10.685710][ T1] usb usb6: SerialNumber: dummy_hcd.5 [ 10.690526][ T1] hub 6-0:1.0: USB hub found [ 10.691619][ T1] hub 6-0:1.0: 1 port detected [ 10.696199][ T1] dummy_hcd dummy_hcd.6: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.698361][ T1] dummy_hcd dummy_hcd.6: Dummy host controller [ 10.698401][ T7] sda: sda1 [ 10.700459][ T1] dummy_hcd dummy_hcd.6: new USB bus registered, assigned bus number 7 [ 10.703554][ T1] usb usb7: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 10.706166][ T1] usb usb7: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.710078][ T1] usb usb7: Product: Dummy host controller [ 10.712080][ T1] usb usb7: Manufacturer: Linux 5.8.0-rc1-syzkaller dummy_hcd [ 10.713483][ T1] usb usb7: SerialNumber: dummy_hcd.6 [ 10.716024][ T7] sd 0:0:1:0: [sda] Attached SCSI disk [ 10.717116][ T1] hub 7-0:1.0: USB hub found [ 10.718893][ T1] hub 7-0:1.0: 1 port detected [ 10.722715][ T1] dummy_hcd dummy_hcd.7: USB Host+Gadget Emulator, driver 02 May 2005 [ 10.724018][ T1] dummy_hcd dummy_hcd.7: Dummy host controller [ 10.726116][ T1] dummy_hcd dummy_hcd.7: new USB bus registered, assigned bus number 8 [ 10.728687][ T1] usb usb8: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 10.730498][ T1] usb usb8: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.732237][ T1] usb usb8: Product: Dummy host controller [ 10.733203][ T1] usb usb8: Manufacturer: Linux 5.8.0-rc1-syzkaller dummy_hcd [ 10.734469][ T1] usb usb8: SerialNumber: dummy_hcd.7 [ 10.737721][ T1] hub 8-0:1.0: USB hub found [ 10.738975][ T1] hub 8-0:1.0: 1 port detected [ 10.755237][ T1] using random self ethernet address [ 10.756457][ T1] using random host ethernet address [ 10.759443][ T1] Mass Storage Function, version: 2009/09/11 [ 10.761126][ T1] LUN: removable file: (no medium) [ 10.762456][ T1] no file given for LUN0 [ 10.763628][ T1] printk: console [ttyGS0] disabled [ 10.766911][ T1] g_multi dummy_udc.0: failed to start g_multi: -22 [ 10.770955][ T1] vhci_hcd vhci_hcd.0: USB/IP Virtual Host Controller [ 10.773115][ T1] vhci_hcd vhci_hcd.0: new USB bus registered, assigned bus number 9 [ 10.774882][ T1] vhci_hcd: created sysfs vhci_hcd.0 [ 10.776659][ T1] usb usb9: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 10.778968][ T1] usb usb9: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.781091][ T1] usb usb9: Product: USB/IP Virtual Host Controller [ 10.783023][ T1] usb usb9: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 10.784646][ T1] usb usb9: SerialNumber: vhci_hcd.0 [ 10.787675][ T1] hub 9-0:1.0: USB hub found [ 10.788846][ T1] hub 9-0:1.0: 8 ports detected [ 10.794466][ T1] vhci_hcd vhci_hcd.0: USB/IP Virtual Host Controller [ 10.797181][ T1] vhci_hcd vhci_hcd.0: new USB bus registered, assigned bus number 10 [ 10.799643][ T1] usb usb10: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.802258][ T1] usb usb10: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.08 [ 10.804399][ T1] usb usb10: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.805944][ T1] usb usb10: Product: USB/IP Virtual Host Controller [ 10.807751][ T1] usb usb10: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 10.809436][ T1] usb usb10: SerialNumber: vhci_hcd.0 [ 10.812819][ T1] hub 10-0:1.0: USB hub found [ 10.813809][ T1] hub 10-0:1.0: 8 ports detected [ 10.821361][ T1] vhci_hcd vhci_hcd.1: USB/IP Virtual Host Controller [ 10.823314][ T1] vhci_hcd vhci_hcd.1: new USB bus registered, assigned bus number 11 [ 10.826083][ T1] usb usb11: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 10.828210][ T1] usb usb11: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.829955][ T1] usb usb11: Product: USB/IP Virtual Host Controller [ 10.831399][ T1] usb usb11: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 10.832899][ T1] usb usb11: SerialNumber: vhci_hcd.1 [ 10.836819][ T1] hub 11-0:1.0: USB hub found [ 10.838186][ T1] hub 11-0:1.0: 8 ports detected [ 10.843558][ T1] vhci_hcd vhci_hcd.1: USB/IP Virtual Host Controller [ 10.845381][ T1] vhci_hcd vhci_hcd.1: new USB bus registered, assigned bus number 12 [ 10.847348][ T1] usb usb12: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.849915][ T1] usb usb12: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.08 [ 10.851586][ T1] usb usb12: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.853563][ T1] usb usb12: Product: USB/IP Virtual Host Controller [ 10.854777][ T1] usb usb12: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 10.856061][ T1] usb usb12: SerialNumber: vhci_hcd.1 [ 10.859191][ T1] hub 12-0:1.0: USB hub found [ 10.860414][ T1] hub 12-0:1.0: 8 ports detected [ 10.866864][ T1] vhci_hcd vhci_hcd.2: USB/IP Virtual Host Controller [ 10.869744][ T1] vhci_hcd vhci_hcd.2: new USB bus registered, assigned bus number 13 [ 10.873508][ T1] usb usb13: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 10.875537][ T1] usb usb13: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.877039][ T1] usb usb13: Product: USB/IP Virtual Host Controller [ 10.878580][ T1] usb usb13: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 10.879829][ T1] usb usb13: SerialNumber: vhci_hcd.2 [ 10.883374][ T1] hub 13-0:1.0: USB hub found [ 10.884924][ T1] hub 13-0:1.0: 8 ports detected [ 10.891656][ T1] vhci_hcd vhci_hcd.2: USB/IP Virtual Host Controller [ 10.893446][ T1] vhci_hcd vhci_hcd.2: new USB bus registered, assigned bus number 14 [ 10.895250][ T1] usb usb14: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.897413][ T1] usb usb14: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.08 [ 10.900319][ T1] usb usb14: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.901577][ T1] usb usb14: Product: USB/IP Virtual Host Controller [ 10.903244][ T1] usb usb14: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 10.904463][ T1] usb usb14: SerialNumber: vhci_hcd.2 [ 10.907422][ T1] hub 14-0:1.0: USB hub found [ 10.909960][ T1] hub 14-0:1.0: 8 ports detected [ 10.916875][ T1] vhci_hcd vhci_hcd.3: USB/IP Virtual Host Controller [ 10.918934][ T1] vhci_hcd vhci_hcd.3: new USB bus registered, assigned bus number 15 [ 10.921625][ T1] usb usb15: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 10.923475][ T1] usb usb15: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.925189][ T1] usb usb15: Product: USB/IP Virtual Host Controller [ 10.926109][ T1] usb usb15: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 10.929333][ T1] usb usb15: SerialNumber: vhci_hcd.3 [ 10.932275][ T1] hub 15-0:1.0: USB hub found [ 10.933668][ T1] hub 15-0:1.0: 8 ports detected [ 10.939921][ T1] vhci_hcd vhci_hcd.3: USB/IP Virtual Host Controller [ 10.942336][ T1] vhci_hcd vhci_hcd.3: new USB bus registered, assigned bus number 16 [ 10.944294][ T1] usb usb16: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.947138][ T1] usb usb16: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.08 [ 10.949453][ T1] usb usb16: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.951976][ T1] usb usb16: Product: USB/IP Virtual Host Controller [ 10.953637][ T1] usb usb16: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 10.955455][ T1] usb usb16: SerialNumber: vhci_hcd.3 [ 10.958760][ T1] hub 16-0:1.0: USB hub found [ 10.959902][ T1] hub 16-0:1.0: 8 ports detected [ 10.966436][ T1] vhci_hcd vhci_hcd.4: USB/IP Virtual Host Controller [ 10.969904][ T1] vhci_hcd vhci_hcd.4: new USB bus registered, assigned bus number 17 [ 10.972451][ T1] usb usb17: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 10.973934][ T1] usb usb17: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.975278][ T1] usb usb17: Product: USB/IP Virtual Host Controller [ 10.976805][ T1] usb usb17: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 10.978307][ T1] usb usb17: SerialNumber: vhci_hcd.4 [ 10.981460][ T1] hub 17-0:1.0: USB hub found [ 10.982458][ T1] hub 17-0:1.0: 8 ports detected [ 10.988224][ T1] vhci_hcd vhci_hcd.4: USB/IP Virtual Host Controller [ 10.990428][ T1] vhci_hcd vhci_hcd.4: new USB bus registered, assigned bus number 18 [ 10.992271][ T1] usb usb18: We don't know the algorithms for LPM for this host, disabling LPM. [ 10.995245][ T1] usb usb18: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.08 [ 10.996761][ T1] usb usb18: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 10.999252][ T1] usb usb18: Product: USB/IP Virtual Host Controller [ 11.000312][ T1] usb usb18: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.002162][ T1] usb usb18: SerialNumber: vhci_hcd.4 [ 11.005308][ T1] hub 18-0:1.0: USB hub found [ 11.006457][ T1] hub 18-0:1.0: 8 ports detected [ 11.014651][ T1] vhci_hcd vhci_hcd.5: USB/IP Virtual Host Controller [ 11.017021][ T1] vhci_hcd vhci_hcd.5: new USB bus registered, assigned bus number 19 [ 11.021523][ T1] usb usb19: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 11.023703][ T1] usb usb19: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.025356][ T1] usb usb19: Product: USB/IP Virtual Host Controller [ 11.026550][ T1] usb usb19: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.028036][ T1] usb usb19: SerialNumber: vhci_hcd.5 [ 11.031419][ T1] hub 19-0:1.0: USB hub found [ 11.032954][ T1] hub 19-0:1.0: 8 ports detected [ 11.038627][ T1] vhci_hcd vhci_hcd.5: USB/IP Virtual Host Controller [ 11.040716][ T1] vhci_hcd vhci_hcd.5: new USB bus registered, assigned bus number 20 [ 11.043218][ T1] usb usb20: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.045620][ T1] usb usb20: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.08 [ 11.049027][ T1] usb usb20: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.050468][ T1] usb usb20: Product: USB/IP Virtual Host Controller [ 11.051857][ T1] usb usb20: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.053440][ T1] usb usb20: SerialNumber: vhci_hcd.5 [ 11.056613][ T1] hub 20-0:1.0: USB hub found [ 11.057743][ T1] hub 20-0:1.0: 8 ports detected [ 11.064184][ T1] vhci_hcd vhci_hcd.6: USB/IP Virtual Host Controller [ 11.065908][ T1] vhci_hcd vhci_hcd.6: new USB bus registered, assigned bus number 21 [ 11.070256][ T1] usb usb21: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 11.072083][ T1] usb usb21: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.074367][ T1] usb usb21: Product: USB/IP Virtual Host Controller [ 11.075903][ T1] usb usb21: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.078007][ T1] usb usb21: SerialNumber: vhci_hcd.6 [ 11.081826][ T1] hub 21-0:1.0: USB hub found [ 11.083346][ T1] hub 21-0:1.0: 8 ports detected [ 11.088987][ T1] vhci_hcd vhci_hcd.6: USB/IP Virtual Host Controller [ 11.091176][ T1] vhci_hcd vhci_hcd.6: new USB bus registered, assigned bus number 22 [ 11.092930][ T1] usb usb22: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.095667][ T1] usb usb22: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.08 [ 11.098748][ T1] usb usb22: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.100443][ T1] usb usb22: Product: USB/IP Virtual Host Controller [ 11.101967][ T1] usb usb22: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.103823][ T1] usb usb22: SerialNumber: vhci_hcd.6 [ 11.107291][ T1] hub 22-0:1.0: USB hub found [ 11.108748][ T1] hub 22-0:1.0: 8 ports detected [ 11.115447][ T1] vhci_hcd vhci_hcd.7: USB/IP Virtual Host Controller [ 11.117954][ T1] vhci_hcd vhci_hcd.7: new USB bus registered, assigned bus number 23 [ 11.120682][ T1] usb usb23: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 11.122838][ T1] usb usb23: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.125611][ T1] usb usb23: Product: USB/IP Virtual Host Controller [ 11.129064][ T1] usb usb23: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.130552][ T1] usb usb23: SerialNumber: vhci_hcd.7 [ 11.134045][ T1] hub 23-0:1.0: USB hub found [ 11.135265][ T1] hub 23-0:1.0: 8 ports detected [ 11.141516][ T1] vhci_hcd vhci_hcd.7: USB/IP Virtual Host Controller [ 11.143833][ T1] vhci_hcd vhci_hcd.7: new USB bus registered, assigned bus number 24 [ 11.146157][ T1] usb usb24: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.149243][ T1] usb usb24: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.08 [ 11.151040][ T1] usb usb24: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.152417][ T1] usb usb24: Product: USB/IP Virtual Host Controller [ 11.154785][ T1] usb usb24: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.156802][ T1] usb usb24: SerialNumber: vhci_hcd.7 [ 11.161203][ T1] hub 24-0:1.0: USB hub found [ 11.162550][ T1] hub 24-0:1.0: 8 ports detected [ 11.169626][ T1] vhci_hcd vhci_hcd.8: USB/IP Virtual Host Controller [ 11.172339][ T1] vhci_hcd vhci_hcd.8: new USB bus registered, assigned bus number 25 [ 11.175178][ T1] usb usb25: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 11.176895][ T1] usb usb25: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.180104][ T1] usb usb25: Product: USB/IP Virtual Host Controller [ 11.181494][ T1] usb usb25: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.182872][ T1] usb usb25: SerialNumber: vhci_hcd.8 [ 11.186328][ T1] hub 25-0:1.0: USB hub found [ 11.187880][ T1] hub 25-0:1.0: 8 ports detected [ 11.193722][ T1] vhci_hcd vhci_hcd.8: USB/IP Virtual Host Controller [ 11.196342][ T1] vhci_hcd vhci_hcd.8: new USB bus registered, assigned bus number 26 [ 11.199588][ T1] usb usb26: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.203376][ T1] usb usb26: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.08 [ 11.204789][ T1] usb usb26: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.206418][ T1] usb usb26: Product: USB/IP Virtual Host Controller [ 11.208557][ T1] usb usb26: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.209954][ T1] usb usb26: SerialNumber: vhci_hcd.8 [ 11.213058][ T1] hub 26-0:1.0: USB hub found [ 11.214582][ T1] hub 26-0:1.0: 8 ports detected [ 11.221892][ T1] vhci_hcd vhci_hcd.9: USB/IP Virtual Host Controller [ 11.224013][ T1] vhci_hcd vhci_hcd.9: new USB bus registered, assigned bus number 27 [ 11.226405][ T1] usb usb27: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 11.229398][ T1] usb usb27: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.231666][ T1] usb usb27: Product: USB/IP Virtual Host Controller [ 11.233186][ T1] usb usb27: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.235696][ T1] usb usb27: SerialNumber: vhci_hcd.9 [ 11.239427][ T1] hub 27-0:1.0: USB hub found [ 11.240539][ T1] hub 27-0:1.0: 8 ports detected [ 11.246523][ T1] vhci_hcd vhci_hcd.9: USB/IP Virtual Host Controller [ 11.249703][ T1] vhci_hcd vhci_hcd.9: new USB bus registered, assigned bus number 28 [ 11.251744][ T1] usb usb28: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.253792][ T1] usb usb28: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.08 [ 11.255405][ T1] usb usb28: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.257265][ T1] usb usb28: Product: USB/IP Virtual Host Controller [ 11.258846][ T1] usb usb28: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.260496][ T1] usb usb28: SerialNumber: vhci_hcd.9 [ 11.264696][ T1] hub 28-0:1.0: USB hub found [ 11.266296][ T1] hub 28-0:1.0: 8 ports detected [ 11.273435][ T1] vhci_hcd vhci_hcd.10: USB/IP Virtual Host Controller [ 11.276035][ T1] vhci_hcd vhci_hcd.10: new USB bus registered, assigned bus number 29 [ 11.279800][ T1] usb usb29: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 11.282573][ T1] usb usb29: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.284315][ T1] usb usb29: Product: USB/IP Virtual Host Controller [ 11.285680][ T1] usb usb29: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.287391][ T1] usb usb29: SerialNumber: vhci_hcd.10 [ 11.290438][ T1] hub 29-0:1.0: USB hub found [ 11.292023][ T1] hub 29-0:1.0: 8 ports detected [ 11.298632][ T1] vhci_hcd vhci_hcd.10: USB/IP Virtual Host Controller [ 11.300970][ T1] vhci_hcd vhci_hcd.10: new USB bus registered, assigned bus number 30 [ 11.303559][ T1] usb usb30: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.306023][ T1] usb usb30: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.08 [ 11.308123][ T1] usb usb30: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.309841][ T1] usb usb30: Product: USB/IP Virtual Host Controller [ 11.311344][ T1] usb usb30: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.313264][ T1] usb usb30: SerialNumber: vhci_hcd.10 [ 11.316252][ T1] hub 30-0:1.0: USB hub found [ 11.317823][ T1] hub 30-0:1.0: 8 ports detected [ 11.326069][ T1] vhci_hcd vhci_hcd.11: USB/IP Virtual Host Controller [ 11.329777][ T1] vhci_hcd vhci_hcd.11: new USB bus registered, assigned bus number 31 [ 11.332859][ T1] usb usb31: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 11.334643][ T1] usb usb31: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.336243][ T1] usb usb31: Product: USB/IP Virtual Host Controller [ 11.337529][ T1] usb usb31: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.339446][ T1] usb usb31: SerialNumber: vhci_hcd.11 [ 11.342659][ T1] hub 31-0:1.0: USB hub found [ 11.344310][ T1] hub 31-0:1.0: 8 ports detected [ 11.350664][ T1] vhci_hcd vhci_hcd.11: USB/IP Virtual Host Controller [ 11.352657][ T1] vhci_hcd vhci_hcd.11: new USB bus registered, assigned bus number 32 [ 11.354925][ T1] usb usb32: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.358636][ T1] usb usb32: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.08 [ 11.360821][ T1] usb usb32: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.362677][ T1] usb usb32: Product: USB/IP Virtual Host Controller [ 11.364175][ T1] usb usb32: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.365937][ T1] usb usb32: SerialNumber: vhci_hcd.11 [ 11.369173][ T1] hub 32-0:1.0: USB hub found [ 11.370549][ T1] hub 32-0:1.0: 8 ports detected [ 11.379267][ T1] vhci_hcd vhci_hcd.12: USB/IP Virtual Host Controller [ 11.381621][ T1] vhci_hcd vhci_hcd.12: new USB bus registered, assigned bus number 33 [ 11.384064][ T1] usb usb33: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 11.385589][ T1] usb usb33: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.387576][ T1] usb usb33: Product: USB/IP Virtual Host Controller [ 11.388719][ T1] usb usb33: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.390565][ T1] usb usb33: SerialNumber: vhci_hcd.12 [ 11.393628][ T1] hub 33-0:1.0: USB hub found [ 11.394712][ T1] hub 33-0:1.0: 8 ports detected [ 11.400819][ T1] vhci_hcd vhci_hcd.12: USB/IP Virtual Host Controller [ 11.402757][ T1] vhci_hcd vhci_hcd.12: new USB bus registered, assigned bus number 34 [ 11.404813][ T1] usb usb34: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.406713][ T1] usb usb34: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.08 [ 11.409488][ T1] usb usb34: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.411133][ T1] usb usb34: Product: USB/IP Virtual Host Controller [ 11.412701][ T1] usb usb34: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.413879][ T1] usb usb34: SerialNumber: vhci_hcd.12 [ 11.416914][ T1] hub 34-0:1.0: USB hub found [ 11.418419][ T1] hub 34-0:1.0: 8 ports detected [ 11.425279][ T1] vhci_hcd vhci_hcd.13: USB/IP Virtual Host Controller [ 11.427408][ T1] vhci_hcd vhci_hcd.13: new USB bus registered, assigned bus number 35 [ 11.431121][ T1] usb usb35: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 11.433246][ T1] usb usb35: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.435094][ T1] usb usb35: Product: USB/IP Virtual Host Controller [ 11.436038][ T1] usb usb35: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.437768][ T1] usb usb35: SerialNumber: vhci_hcd.13 [ 11.440863][ T1] hub 35-0:1.0: USB hub found [ 11.442161][ T1] hub 35-0:1.0: 8 ports detected [ 11.448691][ T1] vhci_hcd vhci_hcd.13: USB/IP Virtual Host Controller [ 11.450874][ T1] vhci_hcd vhci_hcd.13: new USB bus registered, assigned bus number 36 [ 11.452805][ T1] usb usb36: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.455094][ T1] usb usb36: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.08 [ 11.456605][ T1] usb usb36: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.458935][ T1] usb usb36: Product: USB/IP Virtual Host Controller [ 11.460374][ T1] usb usb36: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.461810][ T1] usb usb36: SerialNumber: vhci_hcd.13 [ 11.465142][ T1] hub 36-0:1.0: USB hub found [ 11.466686][ T1] hub 36-0:1.0: 8 ports detected [ 11.473371][ T1] vhci_hcd vhci_hcd.14: USB/IP Virtual Host Controller [ 11.475390][ T1] vhci_hcd vhci_hcd.14: new USB bus registered, assigned bus number 37 [ 11.479576][ T1] usb usb37: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 11.481346][ T1] usb usb37: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.482626][ T1] usb usb37: Product: USB/IP Virtual Host Controller [ 11.483794][ T1] usb usb37: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.485622][ T1] usb usb37: SerialNumber: vhci_hcd.14 [ 11.489503][ T1] hub 37-0:1.0: USB hub found [ 11.490701][ T1] hub 37-0:1.0: 8 ports detected [ 11.496551][ T1] vhci_hcd vhci_hcd.14: USB/IP Virtual Host Controller [ 11.499070][ T1] vhci_hcd vhci_hcd.14: new USB bus registered, assigned bus number 38 [ 11.501129][ T1] usb usb38: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.504101][ T1] usb usb38: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.08 [ 11.505763][ T1] usb usb38: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.508399][ T1] usb usb38: Product: USB/IP Virtual Host Controller [ 11.509907][ T1] usb usb38: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.511312][ T1] usb usb38: SerialNumber: vhci_hcd.14 [ 11.514584][ T1] hub 38-0:1.0: USB hub found [ 11.516338][ T1] hub 38-0:1.0: 8 ports detected [ 11.523465][ T1] vhci_hcd vhci_hcd.15: USB/IP Virtual Host Controller [ 11.526073][ T1] vhci_hcd vhci_hcd.15: new USB bus registered, assigned bus number 39 [ 11.529777][ T1] usb usb39: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 11.531716][ T1] usb usb39: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.533003][ T1] usb usb39: Product: USB/IP Virtual Host Controller [ 11.534263][ T1] usb usb39: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.535735][ T1] usb usb39: SerialNumber: vhci_hcd.15 [ 11.538754][ T1] hub 39-0:1.0: USB hub found [ 11.540365][ T1] hub 39-0:1.0: 8 ports detected [ 11.545932][ T1] vhci_hcd vhci_hcd.15: USB/IP Virtual Host Controller [ 11.548100][ T1] vhci_hcd vhci_hcd.15: new USB bus registered, assigned bus number 40 [ 11.550312][ T1] usb usb40: We don't know the algorithms for LPM for this host, disabling LPM. [ 11.552326][ T1] usb usb40: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.08 [ 11.554654][ T1] usb usb40: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.557064][ T1] usb usb40: Product: USB/IP Virtual Host Controller [ 11.559473][ T1] usb usb40: Manufacturer: Linux 5.8.0-rc1-syzkaller vhci_hcd [ 11.561492][ T1] usb usb40: SerialNumber: vhci_hcd.15 [ 11.564423][ T1] hub 40-0:1.0: USB hub found [ 11.565673][ T1] hub 40-0:1.0: 8 ports detected [ 11.572546][ T1] usbcore: registered new device driver usbip-host [ 11.576578][ T1] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 11.581655][ T1] i8042: Warning: Keylock active [ 11.585644][ T1] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 11.587771][ T1] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 11.651288][ T1] mousedev: PS/2 mouse device common for all mice [ 11.660770][ T1] rtc_cmos 00:00: RTC can wake from S4 [ 11.667363][ T1] rtc_cmos 00:00: registered as rtc0 [ 11.668879][ T1] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 11.671107][ T1] i2c /dev entries driver [ 11.674202][ T1] piix4_smbus 0000:00:01.3: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr [ 11.677331][ T1] usbcore: registered new interface driver RobotFuzz Open Source InterFace, OSIF [ 11.680692][ T1] usbcore: registered new interface driver i2c-tiny-usb [ 11.683206][ T1] IR NEC protocol handler initialized [ 11.684760][ T1] IR RC5(x/sz) protocol handler initialized [ 11.686200][ T1] IR RC6 protocol handler initialized [ 11.687564][ T1] IR JVC protocol handler initialized [ 11.688605][ T1] IR Sony protocol handler initialized [ 11.690398][ T1] IR SANYO protocol handler initialized [ 11.692025][ T1] IR Sharp protocol handler initialized [ 11.693293][ T1] IR MCE Keyboard/mouse protocol handler initialized [ 11.694953][ T1] IR XMP protocol handler initialized [ 11.697254][ T1] usbcore: registered new interface driver uvcvideo [ 11.698827][ T1] USB Video Class driver (1.1.1) [ 11.700563][ T1] gspca_main: v2.14.0 registered [ 11.719588][ T1] vivid-000: using single planar format API [ 11.736874][ T1] vivid-000: CEC adapter cec0 registered for HDMI input 0 [ 11.740279][ T1] vivid-000: V4L2 capture device registered as video3 [ 11.741961][ T1] vivid-000: CEC adapter cec1 registered for HDMI output 0 [ 11.745212][ T1] vivid-000: V4L2 output device registered as video4 [ 11.748131][ T1] vivid-000: V4L2 capture device registered as vbi0, supports raw and sliced VBI [ 11.750470][ T1] vivid-000: V4L2 output device registered as vbi1, supports raw and sliced VBI [ 11.753203][ T1] vivid-000: V4L2 capture device registered as swradio0 [ 11.755380][ T1] vivid-000: V4L2 receiver device registered as radio0 [ 11.757723][ T1] vivid-000: V4L2 transmitter device registered as radio1 [ 11.759896][ T1] vivid-000: V4L2 metadata capture device registered as video5 [ 11.762880][ T1] vivid-000: V4L2 metadata output device registered as video6 [ 11.765327][ T1] vivid-000: V4L2 touch capture device registered as v4l-touch0 [ 11.767651][ T1] vivid-001: using multiplanar format API [ 11.782537][ T1] vivid-001: CEC adapter cec2 registered for HDMI input 0 [ 11.785232][ T1] vivid-001: V4L2 capture device registered as video7 [ 11.787401][ T1] vivid-001: CEC adapter cec3 registered for HDMI output 0 [ 11.789260][ T1] vivid-001: V4L2 output device registered as video8 [ 11.791528][ T1] vivid-001: V4L2 capture device registered as vbi2, supports raw and sliced VBI [ 11.794363][ T1] vivid-001: V4L2 output device registered as vbi3, supports raw and sliced VBI [ 11.796777][ T1] vivid-001: V4L2 capture device registered as swradio1 [ 11.799038][ T1] vivid-001: V4L2 receiver device registered as radio2 [ 11.801218][ T1] vivid-001: V4L2 transmitter device registered as radio3 [ 11.803370][ T1] vivid-001: V4L2 metadata capture device registered as video9 [ 11.805879][ T1] vivid-001: V4L2 metadata output device registered as video10 [ 11.808359][ T1] vivid-001: V4L2 touch capture device registered as v4l-touch1 [ 11.810392][ T1] vivid-002: using single planar format API [ 11.825010][ T1] vivid-002: CEC adapter cec4 registered for HDMI input 0 [ 11.827391][ T1] vivid-002: V4L2 capture device registered as video11 [ 11.830002][ T1] vivid-002: CEC adapter cec5 registered for HDMI output 0 [ 11.832264][ T1] vivid-002: V4L2 output device registered as video12 [ 11.834717][ T1] vivid-002: V4L2 capture device registered as vbi4, supports raw and sliced VBI [ 11.838336][ T1] vivid-002: V4L2 output device registered as vbi5, supports raw and sliced VBI [ 11.841472][ T1] vivid-002: V4L2 capture device registered as swradio2 [ 11.843902][ T1] vivid-002: V4L2 receiver device registered as radio4 [ 11.846375][ T1] vivid-002: V4L2 transmitter device registered as radio5 [ 11.848769][ T1] vivid-002: V4L2 metadata capture device registered as video13 [ 11.851605][ T1] vivid-002: V4L2 metadata output device registered as video14 [ 11.853772][ T1] vivid-002: V4L2 touch capture device registered as v4l-touch2 [ 11.856078][ T1] vivid-003: using multiplanar format API [ 11.859093][ T17] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 11.882600][ T1] vivid-003: CEC adapter cec6 registered for HDMI input 0 [ 11.885999][ T1] vivid-003: V4L2 capture device registered as video15 [ 11.888960][ T1] vivid-003: CEC adapter cec7 registered for HDMI output 0 [ 11.891134][ T1] vivid-003: V4L2 output device registered as video16 [ 11.893635][ T1] vivid-003: V4L2 capture device registered as vbi6, supports raw and sliced VBI [ 11.896809][ T1] vivid-003: V4L2 output device registered as vbi7, supports raw and sliced VBI [ 11.899771][ T1] vivid-003: V4L2 capture device registered as swradio3 [ 11.902397][ T1] vivid-003: V4L2 receiver device registered as radio6 [ 11.904800][ T1] vivid-003: V4L2 transmitter device registered as radio7 [ 11.906626][ T1] vivid-003: V4L2 metadata capture device registered as video17 [ 11.909253][ T1] vivid-003: V4L2 metadata output device registered as video18 [ 11.911786][ T1] vivid-003: V4L2 touch capture device registered as v4l-touch3 [ 11.913743][ T1] vivid-004: using single planar format API [ 11.928882][ T1] vivid-004: CEC adapter cec8 registered for HDMI input 0 [ 11.931136][ T1] vivid-004: V4L2 capture device registered as video19 [ 11.933191][ T1] vivid-004: CEC adapter cec9 registered for HDMI output 0 [ 11.934727][ T1] vivid-004: V4L2 output device registered as video20 [ 11.936488][ T1] vivid-004: V4L2 capture device registered as vbi8, supports raw and sliced VBI [ 11.939182][ T1] vivid-004: V4L2 output device registered as vbi9, supports raw and sliced VBI [ 11.941255][ T1] vivid-004: V4L2 capture device registered as swradio4 [ 11.943265][ T1] vivid-004: V4L2 receiver device registered as radio8 [ 11.945581][ T1] vivid-004: V4L2 transmitter device registered as radio9 [ 11.948532][ T1] vivid-004: V4L2 metadata capture device registered as video21 [ 11.951065][ T1] vivid-004: V4L2 metadata output device registered as video22 [ 11.953484][ T1] vivid-004: V4L2 touch capture device registered as v4l-touch4 [ 11.955788][ T1] vivid-005: using multiplanar format API [ 11.970394][ T1] vivid-005: CEC adapter cec10 registered for HDMI input 0 [ 11.972992][ T1] vivid-005: V4L2 capture device registered as video23 [ 11.975347][ T1] vivid-005: CEC adapter cec11 registered for HDMI output 0 [ 11.977348][ T1] vivid-005: V4L2 output device registered as video24 [ 11.979424][ T1] vivid-005: V4L2 capture device registered as vbi10, supports raw and sliced VBI [ 11.981507][ T1] vivid-005: V4L2 output device registered as vbi11, supports raw and sliced VBI [ 11.983556][ T1] vivid-005: V4L2 capture device registered as swradio5 [ 11.985319][ T1] vivid-005: V4L2 receiver device registered as radio10 [ 11.987963][ T1] vivid-005: V4L2 transmitter device registered as radio11 [ 11.990098][ T1] vivid-005: V4L2 metadata capture device registered as video25 [ 11.991899][ T1] vivid-005: V4L2 metadata output device registered as video26 [ 11.994317][ T1] vivid-005: V4L2 touch capture device registered as v4l-touch5 [ 11.997997][ T1] vivid-006: using single planar format API [ 12.012997][ T1] vivid-006: CEC adapter cec12 registered for HDMI input 0 [ 12.015554][ T1] vivid-006: V4L2 capture device registered as video27 [ 12.017597][ T1] vivid-006: CEC adapter cec13 registered for HDMI output 0 [ 12.019543][ T1] vivid-006: V4L2 output device registered as video28 [ 12.021518][ T1] vivid-006: V4L2 capture device registered as vbi12, supports raw and sliced VBI [ 12.023792][ T1] vivid-006: V4L2 output device registered as vbi13, supports raw and sliced VBI [ 12.026145][ T1] vivid-006: V4L2 capture device registered as swradio6 [ 12.028977][ T1] vivid-006: V4L2 receiver device registered as radio12 [ 12.031320][ T1] vivid-006: V4L2 transmitter device registered as radio13 [ 12.033208][ T1] vivid-006: V4L2 metadata capture device registered as video29 [ 12.035611][ T1] vivid-006: V4L2 metadata output device registered as video30 [ 12.038049][ T1] vivid-006: V4L2 touch capture device registered as v4l-touch6 [ 12.040018][ T1] vivid-007: using multiplanar format API [ 12.055420][ T1] vivid-007: CEC adapter cec14 registered for HDMI input 0 [ 12.058269][ T1] vivid-007: V4L2 capture device registered as video31 [ 12.060444][ T1] vivid-007: CEC adapter cec15 registered for HDMI output 0 [ 12.062450][ T1] vivid-007: V4L2 output device registered as video32 [ 12.064431][ T1] vivid-007: V4L2 capture device registered as vbi14, supports raw and sliced VBI [ 12.067022][ T1] vivid-007: V4L2 output device registered as vbi15, supports raw and sliced VBI [ 12.069125][ T1] vivid-007: V4L2 capture device registered as swradio7 [ 12.071172][ T1] vivid-007: V4L2 receiver device registered as radio14 [ 12.073128][ T1] vivid-007: V4L2 transmitter device registered as radio15 [ 12.075448][ T1] vivid-007: V4L2 metadata capture device registered as video33 [ 12.078714][ T1] vivid-007: V4L2 metadata output device registered as video34 [ 12.081034][ T1] vivid-007: V4L2 touch capture device registered as v4l-touch7 [ 12.083113][ T1] vivid-008: using single planar format API [ 12.099406][ T1] vivid-008: CEC adapter cec16 registered for HDMI input 0 [ 12.103799][ T1] vivid-008: V4L2 capture device registered as video35 [ 12.105874][ T1] vivid-008: CEC adapter cec17 registered for HDMI output 0 [ 12.108091][ T1] vivid-008: V4L2 output device registered as video36 [ 12.110450][ T1] vivid-008: V4L2 capture device registered as vbi16, supports raw and sliced VBI [ 12.112694][ T1] vivid-008: V4L2 output device registered as vbi17, supports raw and sliced VBI [ 12.115602][ T1] vivid-008: V4L2 capture device registered as swradio8 [ 12.117558][ T1] vivid-008: V4L2 receiver device registered as radio16 [ 12.119334][ T1] vivid-008: V4L2 transmitter device registered as radio17 [ 12.122319][ T1] vivid-008: V4L2 metadata capture device registered as video37 [ 12.125068][ T1] vivid-008: V4L2 metadata output device registered as video38 [ 12.127959][ T1] vivid-008: V4L2 touch capture device registered as v4l-touch8 [ 12.130449][ T1] vivid-009: using multiplanar format API [ 12.144976][ T1] vivid-009: CEC adapter cec18 registered for HDMI input 0 [ 12.146937][ T1] vivid-009: V4L2 capture device registered as video39 [ 12.149285][ T1] vivid-009: CEC adapter cec19 registered for HDMI output 0 [ 12.151939][ T1] vivid-009: V4L2 output device registered as video40 [ 12.154094][ T1] vivid-009: V4L2 capture device registered as vbi18, supports raw and sliced VBI [ 12.157040][ T1] vivid-009: V4L2 output device registered as vbi19, supports raw and sliced VBI [ 12.159608][ T1] vivid-009: V4L2 capture device registered as swradio9 [ 12.161731][ T1] vivid-009: V4L2 receiver device registered as radio18 [ 12.163714][ T1] vivid-009: V4L2 transmitter device registered as radio19 [ 12.165755][ T1] vivid-009: V4L2 metadata capture device registered as video41 [ 12.169179][ T1] vivid-009: V4L2 metadata output device registered as video42 [ 12.171691][ T1] vivid-009: V4L2 touch capture device registered as v4l-touch9 [ 12.174025][ T1] vivid-010: using single planar format API [ 12.190308][ T1] vivid-010: CEC adapter cec20 registered for HDMI input 0 [ 12.193371][ T1] vivid-010: V4L2 capture device registered as video43 [ 12.195323][ T1] vivid-010: CEC adapter cec21 registered for HDMI output 0 [ 12.197194][ T1] vivid-010: V4L2 output device registered as video44 [ 12.199282][ T1] vivid-010: V4L2 capture device registered as vbi20, supports raw and sliced VBI [ 12.201506][ T1] vivid-010: V4L2 output device registered as vbi21, supports raw and sliced VBI [ 12.203466][ T1] vivid-010: V4L2 capture device registered as swradio10 [ 12.205823][ T1] vivid-010: V4L2 receiver device registered as radio20 [ 12.208280][ T1] vivid-010: V4L2 transmitter device registered as radio21 [ 12.211226][ T1] vivid-010: V4L2 metadata capture device registered as video45 [ 12.213207][ T1] vivid-010: V4L2 metadata output device registered as video46 [ 12.215211][ T1] vivid-010: V4L2 touch capture device registered as v4l-touch10 [ 12.217123][ T1] vivid-011: using multiplanar format API [ 12.231902][ T1] vivid-011: CEC adapter cec22 registered for HDMI input 0 [ 12.233805][ T1] vivid-011: V4L2 capture device registered as video47 [ 12.235515][ T1] vivid-011: CEC adapter cec23 registered for HDMI output 0 [ 12.237671][ T1] vivid-011: V4L2 output device registered as video48 [ 12.239178][ T1] vivid-011: V4L2 capture device registered as vbi22, supports raw and sliced VBI [ 12.241505][ T1] vivid-011: V4L2 output device registered as vbi23, supports raw and sliced VBI [ 12.243410][ T1] vivid-011: V4L2 capture device registered as swradio11 [ 12.244998][ T1] vivid-011: V4L2 receiver device registered as radio22 [ 12.246524][ T1] vivid-011: V4L2 transmitter device registered as radio23 [ 12.249020][ T1] vivid-011: V4L2 metadata capture device registered as video49 [ 12.251836][ T1] vivid-011: V4L2 metadata output device registered as video50 [ 12.254103][ T1] vivid-011: V4L2 touch capture device registered as v4l-touch11 [ 12.256894][ T1] vivid-012: using single planar format API [ 12.272268][ T1] vivid-012: CEC adapter cec24 registered for HDMI input 0 [ 12.274542][ T1] vivid-012: V4L2 capture device registered as video51 [ 12.276443][ T1] vivid-012: CEC adapter cec25 registered for HDMI output 0 [ 12.279217][ T1] vivid-012: V4L2 output device registered as video52 [ 12.280789][ T1] vivid-012: V4L2 capture device registered as vbi24, supports raw and sliced VBI [ 12.283294][ T1] vivid-012: V4L2 output device registered as vbi25, supports raw and sliced VBI [ 12.285701][ T1] vivid-012: V4L2 capture device registered as swradio12 [ 12.288379][ T1] vivid-012: V4L2 receiver device registered as radio24 [ 12.290491][ T1] vivid-012: V4L2 transmitter device registered as radio25 [ 12.292526][ T1] vivid-012: V4L2 metadata capture device registered as video53 [ 12.294642][ T1] vivid-012: V4L2 metadata output device registered as video54 [ 12.296764][ T1] vivid-012: V4L2 touch capture device registered as v4l-touch12 [ 12.298795][ T1] vivid-013: using multiplanar format API [ 12.312972][ T1] vivid-013: CEC adapter cec26 registered for HDMI input 0 [ 12.315637][ T1] vivid-013: V4L2 capture device registered as video55 [ 12.320024][ T1] vivid-013: CEC adapter cec27 registered for HDMI output 0 [ 12.322873][ T17] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input4 [ 12.326969][ T1] vivid-013: V4L2 output device registered as video56 [ 12.329850][ T1] vivid-013: V4L2 capture device registered as vbi26, supports raw and sliced VBI [ 12.332890][ T1] vivid-013: V4L2 output device registered as vbi27, supports raw and sliced VBI [ 12.335571][ T1] vivid-013: V4L2 capture device registered as swradio13 [ 12.337825][ T1] vivid-013: V4L2 receiver device registered as radio26 [ 12.340442][ T1] vivid-013: V4L2 transmitter device registered as radio27 [ 12.342799][ T1] vivid-013: V4L2 metadata capture device registered as video57 [ 12.345244][ T1] vivid-013: V4L2 metadata output device registered as video58 [ 12.349117][ T1] vivid-013: V4L2 touch capture device registered as v4l-touch13 [ 12.351532][ T1] vivid-014: using single planar format API [ 12.366688][ T1] vivid-014: CEC adapter cec28 registered for HDMI input 0 [ 12.369465][ T1] vivid-014: V4L2 capture device registered as video59 [ 12.371618][ T1] vivid-014: CEC adapter cec29 registered for HDMI output 0 [ 12.373679][ T1] vivid-014: V4L2 output device registered as video60 [ 12.375929][ T1] vivid-014: V4L2 capture device registered as vbi28, supports raw and sliced VBI [ 12.378466][ T1] vivid-014: V4L2 output device registered as vbi29, supports raw and sliced VBI [ 12.380593][ T1] vivid-014: V4L2 capture device registered as swradio14 [ 12.382947][ T1] vivid-014: V4L2 receiver device registered as radio28 [ 12.385213][ T1] vivid-014: V4L2 transmitter device registered as radio29 [ 12.386914][ T1] vivid-014: V4L2 metadata capture device registered as video61 [ 12.389620][ T1] vivid-014: V4L2 metadata output device registered as video62 [ 12.391427][ T1] vivid-014: V4L2 touch capture device registered as v4l-touch14 [ 12.393603][ T1] vivid-015: using multiplanar format API [ 12.409136][ T1] vivid-015: CEC adapter cec30 registered for HDMI input 0 [ 12.412066][ T1] vivid-015: V4L2 capture device registered as video63 [ 12.414858][ T1] vivid-015: CEC adapter cec31 registered for HDMI output 0 [ 12.417089][ T1] vivid-015: V4L2 output device registered as video64 [ 12.419614][ T1] vivid-015: V4L2 capture device registered as vbi30, supports raw and sliced VBI [ 12.422750][ T1] vivid-015: V4L2 output device registered as vbi31, supports raw and sliced VBI [ 12.425015][ T1] vivid-015: V4L2 capture device registered as swradio15 [ 12.427927][ T1] vivid-015: V4L2 receiver device registered as radio30 [ 12.430190][ T1] vivid-015: V4L2 transmitter device registered as radio31 [ 12.432374][ T1] vivid-015: V4L2 metadata capture device registered as video65 [ 12.435516][ T1] vivid-015: V4L2 metadata output device registered as video66 [ 12.438817][ T1] vivid-015: V4L2 touch capture device registered as v4l-touch15 [ 12.444500][ T1] vim2m vim2m.0: Device registered as /dev/video67 [ 12.448199][ T1] vicodec vicodec.0: Device 'stateful-encoder' registered as /dev/video68 [ 12.450884][ T1] vicodec vicodec.0: Device 'stateful-decoder' registered as /dev/video69 [ 12.453563][ T1] vicodec vicodec.0: Device 'stateless-decoder' registered as /dev/video70 [ 12.458363][ T1] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11 [ 12.460024][ T1] iTCO_vendor_support: vendor-support=0 [ 12.463851][ T1] device-mapper: uevent: version 1.0.3 [ 12.466282][ T1] device-mapper: ioctl: 4.42.0-ioctl (2020-02-27) initialised: dm-devel@redhat.com [ 12.469991][ T1] device-mapper: multipath round-robin: version 1.2.0 loaded [ 12.472349][ T1] device-mapper: multipath queue-length: version 0.2.0 loaded [ 12.474303][ T1] device-mapper: multipath service-time: version 0.3.0 loaded [ 12.476041][ T1] device-mapper: raid: Loading target version 1.15.1 [ 12.478920][ T1] Bluetooth: HCI UART driver ver 2.3 [ 12.480273][ T1] Bluetooth: HCI UART protocol H4 registered [ 12.481493][ T1] Bluetooth: HCI UART protocol BCSP registered [ 12.482671][ T1] Bluetooth: HCI UART protocol LL registered [ 12.483700][ T1] Bluetooth: HCI UART protocol Three-wire (H5) registered [ 12.485085][ T1] Bluetooth: HCI UART protocol QCA registered [ 12.486914][ T1] Bluetooth: HCI UART protocol AG6XX registered [ 12.489191][ T1] Bluetooth: HCI UART protocol Marvell registered [ 12.490861][ T1] usbcore: registered new interface driver bfusb [ 12.492902][ T1] usbcore: registered new interface driver btusb [ 12.495618][ T1] CAPI 2.0 started up with major 68 (middleware) [ 12.497400][ T1] Modular ISDN core version 1.1.29 [ 12.499905][ T1] NET: Registered protocol family 34 [ 12.501340][ T1] DSP module 2.0 [ 12.502372][ T1] mISDN_dsp: DSP clocks every 80 samples. This equals 1 jiffies. [ 12.517713][ T1] mISDN: Layer-1-over-IP driver Rev. 2.00 [ 12.524192][ T1] 0 virtual devices registered [ 12.529102][ T1] intel_pstate: CPU model not supported [ 12.538380][ T1] usnic_verbs: Cisco VIC (USNIC) Verbs Driver v1.0.3 (December 19, 2013) [ 12.546987][ T1] usnic_verbs:usnic_uiom_init:563: [ 12.546991][ T1] IOMMU required but not present or enabled. USNIC QPs will not function w/o enabling IOMMU [ 12.562997][ T1] usnic_verbs:usnic_ib_init:667: [ 12.563001][ T1] Unable to initialize umem with err -1 [ 12.575586][ T1] iscsi: registered transport (iser) [ 12.582827][ T1] SoftiWARP attached [ 12.586930][ T1] Driver 'framebuffer' was unable to register with bus_type 'coreboot' because the bus was not initialized. [ 12.598539][ T1] Driver 'memconsole' was unable to register with bus_type 'coreboot' because the bus was not initialized. [ 12.610295][ T1] Driver 'vpd' was unable to register with bus_type 'coreboot' because the bus was not initialized. [ 12.629530][ T1] hid: raw HID events driver (C) Jiri Kosina [ 12.682627][ T1] usbcore: registered new interface driver usbhid [ 12.707525][ T1] usbhid: USB HID core driver [ 12.727662][ T1] ashmem: initialized [ 12.808155][ T158] floppy0: no floppy controllers found [ 12.834530][ T1] usbcore: registered new interface driver snd-usb-audio [ 12.847508][ T1] drop_monitor: Initializing network drop monitor service [ 12.855376][ T1] NET: Registered protocol family 26 [ 12.860879][ T1] GACT probability on [ 12.865143][ T1] Mirror/redirect action on [ 12.869920][ T1] Simple TC action Loaded [ 12.876723][ T1] netem: version 1.3 [ 12.880862][ T1] u32 classifier [ 12.884402][ T1] Performance counters on [ 12.889141][ T1] input device check on [ 12.893643][ T1] Actions configured [ 12.899946][ T1] nf_conntrack_irc: failed to register helpers [ 12.906204][ T1] nf_conntrack_sane: failed to register helpers [ 12.958831][ T1] nf_conntrack_sip: failed to register helpers [ 12.969937][ T1] xt_time: kernel timezone is -0000 [ 12.975305][ T1] IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP) [ 12.982704][ T1] IPVS: Connection hash table configured (size=4096, memory=64Kbytes) [ 12.992317][ T1] IPVS: ipvs loaded. [ 12.996294][ T1] IPVS: [rr] scheduler registered. [ 13.001655][ T1] IPVS: [wrr] scheduler registered. [ 13.006988][ T1] IPVS: [lc] scheduler registered. [ 13.012165][ T1] IPVS: [wlc] scheduler registered. [ 13.017341][ T1] IPVS: [fo] scheduler registered. [ 13.022476][ T1] IPVS: [ovf] scheduler registered. [ 13.027746][ T1] IPVS: [lblc] scheduler registered. [ 13.033047][ T1] IPVS: [lblcr] scheduler registered. [ 13.038559][ T1] IPVS: [dh] scheduler registered. [ 13.043656][ T1] IPVS: [sh] scheduler registered. [ 13.048861][ T1] IPVS: [mh] scheduler registered. [ 13.053983][ T1] IPVS: [sed] scheduler registered. [ 13.059226][ T1] IPVS: [nq] scheduler registered. [ 13.064473][ T1] IPVS: ftp: loaded support on port[0] = 21 [ 13.070671][ T1] IPVS: [sip] pe registered. [ 13.075412][ T1] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 13.084123][ T1] gre: GRE over IPv4 demultiplexor driver [ 13.090065][ T1] ip_gre: GRE over IPv4 tunneling driver [ 13.102328][ T1] IPv4 over IPsec tunneling driver [ 13.112611][ T1] ipt_CLUSTERIP: ClusterIP Version 0.8 loaded successfully [ 13.120389][ T1] Initializing XFRM netlink socket [ 13.125600][ T1] IPsec XFRM device driver [ 13.131001][ T1] NET: Registered protocol family 10 [ 13.147304][ T1] Segment Routing with IPv6 [ 13.152708][ T1] RPL Segment Routing with IPv6 [ 13.158171][ T1] mip6: Mobile IPv6 [ 13.165874][ T1] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 13.178431][ T1] ip6_gre: GRE over IPv6 tunneling driver [ 13.186695][ T1] NET: Registered protocol family 17 [ 13.192158][ T1] NET: Registered protocol family 15 [ 13.198635][ T1] Bridge firewalling registered [ 13.204641][ T1] NET: Registered protocol family 9 [ 13.210405][ T1] X25: Linux Version 0.2 [ 13.246066][ T1] NET: Registered protocol family 6 [ 13.284433][ T1] NET: Registered protocol family 11 [ 13.291656][ T1] NET: Registered protocol family 3 [ 13.298184][ T1] can: controller area network core (rev 20170425 abi 9) [ 13.305551][ T1] NET: Registered protocol family 29 [ 13.310879][ T1] can: raw protocol (rev 20170425) [ 13.316040][ T1] can: broadcast manager protocol (rev 20170425 t) [ 13.322599][ T1] can: netlink gateway (rev 20190810) max_hops=1 [ 13.329177][ T1] can: SAE J1939 [ 13.333222][ T1] Bluetooth: RFCOMM TTY layer initialized [ 13.339749][ T1] Bluetooth: RFCOMM socket layer initialized [ 13.345768][ T1] Bluetooth: RFCOMM ver 1.11 [ 13.350417][ T1] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 13.356755][ T1] Bluetooth: BNEP filters: protocol multicast [ 13.363062][ T1] Bluetooth: BNEP socket layer initialized [ 13.368884][ T1] Bluetooth: CMTP (CAPI Emulation) ver 1.0 [ 13.374693][ T1] Bluetooth: CMTP socket layer initialized [ 13.380573][ T1] Bluetooth: HIDP (Human Interface Emulation) ver 1.2 [ 13.387342][ T1] Bluetooth: HIDP socket layer initialized [ 13.393984][ T1] RPC: Registered rdma transport module. [ 13.399663][ T1] RPC: Registered rdma backchannel transport module. [ 13.409091][ T1] NET: Registered protocol family 33 [ 13.414826][ T1] Key type rxrpc registered [ 13.419982][ T1] Key type rxrpc_s registered [ 13.425706][ T1] NET: Registered protocol family 41 [ 13.432568][ T1] lec:lane_module_init: lec.c: initialized [ 13.439125][ T1] mpoa:atm_mpoa_init: mpc.c: initialized [ 13.444978][ T1] l2tp_core: L2TP core driver, V2.0 [ 13.450289][ T1] l2tp_ppp: PPPoL2TP kernel driver, V2.0 [ 13.456143][ T1] l2tp_ip: L2TP IP encapsulation support (L2TPv3) [ 13.462780][ T1] l2tp_netlink: L2TP netlink interface [ 13.468448][ T1] l2tp_eth: L2TP ethernet pseudowire support (L2TPv3) [ 13.475391][ T1] l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3) [ 13.483078][ T1] NET: Registered protocol family 35 [ 13.488859][ T1] 8021q: 802.1Q VLAN Support v1.8 [ 13.505698][ T1] DCCP: Activated CCID 2 (TCP-like) [ 13.511305][ T1] DCCP: Activated CCID 3 (TCP-Friendly Rate Control) [ 13.519220][ T1] sctp: Hash tables configured (bind 32/56) [ 13.527330][ T1] NET: Registered protocol family 21 [ 13.534005][ T1] Registered RDS/infiniband transport [ 13.540564][ T1] Registered RDS/tcp transport [ 13.545335][ T1] tipc: Activated (version 2.0.0) [ 13.550813][ T1] NET: Registered protocol family 30 [ 13.557103][ T1] tipc: Started in single node mode [ 13.562901][ T1] NET: Registered protocol family 43 [ 13.568535][ T1] 9pnet: Installing 9P2000 support [ 13.574225][ T1] NET: Registered protocol family 37 [ 13.583480][ T1] NET: Registered protocol family 36 [ 13.589442][ T1] Key type dns_resolver registered [ 13.594585][ T1] Key type ceph registered [ 13.599794][ T1] libceph: loaded (mon/osd proto 15/24) [ 13.607335][ T1] batman_adv: B.A.T.M.A.N. advanced 2020.2 (compatibility version 15) loaded [ 13.616690][ T1] openvswitch: Open vSwitch switching datapath [ 13.625504][ T1] NET: Registered protocol family 40 [ 13.631276][ T1] mpls_gso: MPLS GSO support [ 13.643302][ T1] IPI shorthand broadcast: enabled [ 13.648669][ T1] AVX2 version of gcm_enc/dec engaged. [ 13.654128][ T1] AES CTR mode by8 optimization enabled [ 13.665789][ T1] sched_clock: Marking stable (13642024950, 23720065)->(13676421923, -10676908) [ 13.676600][ T1] registered taskstats version 1 [ 13.681623][ T1] Loading compiled-in X.509 certificates [ 13.692805][ T1] Loaded X.509 cert 'Build time autogenerated kernel key: fea34339720facb0586120e4349081ae2a8930bd' [ 13.704806][ T1] zswap: loaded using pool lzo/zbud [ 13.711217][ T1] debug_vm_pgtable: debug_vm_pgtable: Validating architecture page table helpers [ 13.721938][ T1] Key type ._fscrypt registered [ 13.726781][ T1] Key type .fscrypt registered [ 13.731929][ T1] Key type fscrypt-provisioning registered [ 13.740117][ T1] kAFS: Red Hat AFS client v0.1 registering. [ 13.747025][ T1] FS-Cache: Netfs 'afs' registered for caching [ 13.761808][ T1] Btrfs loaded, crc32c=crc32c-intel [ 13.768052][ T1] Key type big_key registered [ 13.775296][ T1] Key type encrypted registered [ 13.780365][ T1] AppArmor: AppArmor sha1 policy hashing enabled [ 13.786941][ T1] ima: No TPM chip found, activating TPM-bypass! [ 13.793387][ T1] ima: Allocated hash algorithm: sha256 [ 13.799235][ T1] ima: No architecture policies found [ 13.804821][ T1] evm: Initialising EVM extended attributes: [ 13.810957][ T1] evm: security.selinux [ 13.815120][ T1] evm: security.SMACK64 [ 13.819295][ T1] evm: security.SMACK64EXEC [ 13.823785][ T1] evm: security.SMACK64TRANSMUTE [ 13.828733][ T1] evm: security.SMACK64MMAP [ 13.833234][ T1] evm: security.apparmor [ 13.837479][ T1] evm: security.ima [ 13.841268][ T1] evm: security.capability [ 13.845717][ T1] evm: HMAC attrs: 0x1 [ 13.851435][ T1] PM: Magic number: 8:861:668 [ 13.857384][ T1] usb usb31-port1: hash matches [ 13.864270][ T1] printk: console [netcon0] enabled [ 13.869559][ T1] netconsole: network logging started [ 13.875644][ T1] gtp: GTP module loaded (pdp ctx size 104 bytes) [ 13.884385][ T1] rdma_rxe: loaded [ 13.888553][ T1] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 13.899579][ T1] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 13.908202][ T17] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 13.917990][ T1] ALSA device list: [ 13.921796][ T1] #0: Dummy 1 [ 13.925240][ T1] #1: Loopback 1 [ 13.929174][ T17] cfg80211: failed to load regulatory.db [ 13.936092][ T1] #2: Virtual MIDI Card 1 [ 13.943966][ T1] md: Waiting for all devices to be available before autodetect [ 13.951667][ T1] md: If you don't use raid, use raid=noautodetect [ 13.963569][ T1] md: Autodetecting RAID arrays. [ 13.968654][ T1] md: autorun ... [ 13.972268][ T1] md: ... autorun DONE. [ 14.018187][ T1] EXT4-fs (sda1): mounted filesystem without journal. Opts: (null) [ 14.026324][ T1] VFS: Mounted root (ext4 filesystem) readonly on device 8:1. [ 14.042702][ T1] devtmpfs: mounted [ 14.054691][ T1] Freeing unused kernel image (initmem) memory: 2776K [ 14.062504][ T1] Kernel memory protection disabled. [ 14.128234][ T1] Run /sbin/init as init process [ 15.228045][ T1] random: systemd: uninitialized urandom read (16 bytes read) [ 15.259532][ T1] random: systemd: uninitialized urandom read (16 bytes read) [ 15.267347][ T1] random: systemd: uninitialized urandom read (16 bytes read) [ 15.349051][ T1] systemd[1]: systemd 232 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN) [ 15.371506][ T1] systemd[1]: Detected virtualization kvm. [ 15.377725][ T1] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 9 (stretch)! [ 15.446534][ T1] systemd[1]: Set hostname to . [ 15.945897][ T3844] selinux-autorel (3844) used greatest stack depth: 24976 bytes left [ 16.006914][ T3851] systemd-fstab-generator[3851]: Failed to create mount unit file /run/systemd/generator/sys-kernel-debug.mount, as it already exists. Duplicate entry in /etc/fstab? [ 16.024464][ T3851] systemd-fstab-generator[3851]: Failed to create mount unit file /run/systemd/generator/sys-kernel-config.mount, as it already exists. Duplicate entry in /etc/fstab? [ 16.041320][ T3851] systemd-fstab-generator[3851]: Failed to create mount unit file /run/systemd/generator/proc-sys-fs-binfmt_misc.mount, as it already exists. Duplicate entry in /etc/fstab? [ 16.061791][ T3851] systemd-fstab-g (3851) used greatest stack depth: 23808 bytes left [ 16.230672][ T3842] systemd[3842]: /lib/systemd/system-generators/systemd-fstab-generator failed with error code 1. [ 16.564760][ T1] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 16.608562][ T1] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 16.649220][ T1] systemd[1]: Listening on Syslog Socket. [ OK ] Listening on Syslog Socket. [ 16.693477][ T1] systemd[1]: Created slice System Slice. [ OK ] Created slice System Slice. [ 16.744911][ T1] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ OK ] Reached target Remote File Systems. [ OK ] Listening on udev Control Socket. [ 16.831755][ T3854] mount (3854) used greatest stack depth: 23568 bytes left Mounting /sys/kernel/debug... [ OK ] Set up automount Arbitrary Executab…rmats File System Automount Point. [ OK ] Created slice system-getty.slice. [ OK ] Listening on Journal Socket. Starting Load Kernel Modules... Mounting Huge Pages File System... [ OK ] Reached target Slices. [ OK ] Listening on Journal Audit Socket. Starting Remount Root and Kernel File Systems... [ OK ] Reached target Swap. Starting Create Static Device Nodes in /dev... [ 17.337325][ T3864] EXT4-fs (sda1): re-mounted. Opts: (null) [ OK ] Started Forward Password Requests to Wall Directory Watch. Mounting /sys/kernel/config... [ OK ] Listening on /dev/initctl Compatibility Named Pipe. [ OK ] Reached target Sockets. [ OK ] Created slice system-serial\x2dgetty.slice. [ 17.544930][ T3867] systemd-tmpfile (3867) used greatest stack depth: 22816 bytes left Starting Journal Service... Mounting /proc/sys/fs/binfmt_misc... [ OK ] Started Dispatch Password Requests to Console Directory Watch. [ OK ] Reached target Paths. [ OK ] Reached target Encrypted Volumes. [ OK ] Mounted POSIX Message Queue File System. [ OK ] Mounted Huge Pages File System. [ OK ] Mounted /sys/kernel/debug. [ OK ] Mounted /sys/kernel/config. [ OK ] Mounted /proc/sys/fs/binfmt_misc. [ OK ] Started Load Kernel Modules. [ OK ] Started Remount Root and Kernel File Systems. [ OK ] Started Create Static Device Nodes in /dev. Starting udev Kernel Device Manager... Starting udev Coldplug all Devices... Starting Load/Save Random Seed... [ OK ] Reached target Local File Systems (Pre). Mounting FUSE Control File System... Starting Apply Kernel Variables... [ OK ] Reached target Local File Systems. Starting Mark the need to relabel after reboot... [ OK ] Mounted FUSE Control File System. [ OK ] Started Load/Save Random Seed. [ OK ] Started Apply Kernel Variables. [ OK ] Started Mark the need to relabel after reboot. [ OK ] Started udev Kernel Device Manager. Starting Raise network interfaces... [ OK ] Started Journal Service. Starting Flush Journal to Persistent Storage... [ 20.025438][ T3873] systemd-journald[3873]: Received request to flush runtime journal from PID 1 [ OK ] Started Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ 20.373546][ T3915] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-tmpfile/3915 [ 20.384028][ T3915] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 20.390617][ T3915] CPU: 1 PID: 3915 Comm: systemd-tmpfile Not tainted 5.8.0-rc1-syzkaller #0 [ 20.399398][ T3915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.410240][ T3915] Call Trace: [ 20.413653][ T3915] dump_stack+0x18f/0x20d [ 20.418000][ T3915] check_preemption_disabled+0x20d/0x220 [ 20.423650][ T3915] ext4_mb_new_blocks+0xa4d/0x3b70 [ 20.428788][ T3915] ? ext4_ext_search_right+0x2ca/0xb20 [ 20.434253][ T3915] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 20.439989][ T3915] ext4_ext_map_blocks+0x201b/0x33e0 [ 20.445296][ T3915] ? ext4_ext_release+0x10/0x10 [ 20.450193][ T3915] ? down_write_killable+0x170/0x170 [ 20.455507][ T3915] ? ext4_es_lookup_extent+0x41d/0xd10 [ 20.460979][ T3915] ext4_map_blocks+0x4cb/0x1640 [ 20.465849][ T3915] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 20.471057][ T3915] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 20.476615][ T3915] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 20.482598][ T3915] ? prandom_u32_state+0xe/0x170 [ 20.487541][ T3915] ? __brelse+0x84/0xa0 [ 20.491705][ T3915] ? __ext4_new_inode+0x144/0x55e0 [ 20.496825][ T3915] ext4_getblk+0xad/0x520 [ 20.501162][ T3915] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 20.506896][ T3915] ? ext4_free_inode+0x1700/0x1700 [ 20.512027][ T3915] ext4_bread+0x7c/0x380 [ 20.516285][ T3915] ? ext4_getblk+0x520/0x520 [ 20.520900][ T3915] ? dquot_get_next_dqblk+0x180/0x180 [ 20.526285][ T3915] ext4_append+0x153/0x360 [ 20.530712][ T3915] ext4_mkdir+0x5e0/0xdf0 [ 20.535057][ T3915] ? ext4_rmdir+0xde0/0xde0 [ 20.539567][ T3915] ? security_inode_permission+0xc4/0xf0 [ 20.545215][ T3915] vfs_mkdir+0x419/0x690 [ 20.549471][ T3915] do_mkdirat+0x21e/0x280 [ 20.553813][ T3915] ? __ia32_sys_mknod+0xb0/0xb0 [ 20.558672][ T3915] ? do_syscall_64+0x1c/0xe0 [ 20.563271][ T3915] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 20.569267][ T3915] do_syscall_64+0x60/0xe0 [ 20.573693][ T3915] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 20.579584][ T3915] RIP: 0033:0x7fda73366687 [ 20.583993][ T3915] Code: Bad RIP value. [ 20.588061][ T3915] RSP: 002b:00007ffd6c48e148 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 20.596499][ T3915] RAX: ffffffffffffffda RBX: 000055a6486ebda0 RCX: 00007fda73366687 [ 20.604485][ T3915] RDX: 0000000000000000 RSI: 00000000000001ed RDI: 000055a6486ebda0 [ 20.612484][ T3915] RBP: 00000000000001ed R08: 000000000000feff R09: 000000000000003f [ 20.620460][ T3915] R10: 000055a6486ebd80 R11: 0000000000000246 R12: 0000000000000012 [ 20.628527][ T3915] R13: 000055a6486ec640 R14: 0000000000000000 R15: 0000000000000000 [ 20.716738][ T3915] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-tmpfile/3915 [ 20.726615][ T3915] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 20.732714][ T3915] CPU: 1 PID: 3915 Comm: systemd-tmpfile Not tainted 5.8.0-rc1-syzkaller #0 [ 20.741393][ T3915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.751477][ T3915] Call Trace: [ 20.754784][ T3915] dump_stack+0x18f/0x20d [ 20.759151][ T3915] check_preemption_disabled+0x20d/0x220 [ 20.764793][ T3915] ext4_mb_new_blocks+0xa4d/0x3b70 [ 20.769928][ T3915] ? ext4_ext_search_right+0x2ca/0xb20 [ 20.775397][ T3915] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 20.781223][ T3915] ext4_ext_map_blocks+0x201b/0x33e0 [ 20.786532][ T3915] ? ext4_ext_release+0x10/0x10 [ 20.791413][ T3915] ? down_write_killable+0x170/0x170 [ 20.796704][ T3915] ? ext4_es_lookup_extent+0x41d/0xd10 [ 20.802195][ T3915] ext4_map_blocks+0x4cb/0x1640 [ 20.807066][ T3915] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 20.812271][ T3915] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 20.818382][ T3915] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 20.824425][ T3915] ? prandom_u32_state+0xe/0x170 [ 20.829384][ T3915] ? __brelse+0x84/0xa0 [ 20.833636][ T3915] ? __ext4_new_inode+0x144/0x55e0 [ 20.838763][ T3915] ext4_getblk+0xad/0x520 [ 20.843193][ T3915] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 20.848946][ T3915] ? ext4_free_inode+0x1700/0x1700 [ 20.854079][ T3915] ext4_bread+0x7c/0x380 [ 20.858334][ T3915] ? ext4_getblk+0x520/0x520 [ 20.862948][ T3915] ? dquot_get_next_dqblk+0x180/0x180 [ 20.868373][ T3915] ext4_append+0x153/0x360 [ 20.872808][ T3915] ext4_mkdir+0x5e0/0xdf0 [ 20.877155][ T3915] ? ext4_rmdir+0xde0/0xde0 [ 20.881668][ T3915] ? security_inode_permission+0xc4/0xf0 [ 20.887322][ T3915] vfs_mkdir+0x419/0x690 [ 20.891577][ T3915] do_mkdirat+0x21e/0x280 [ 20.895916][ T3915] ? __ia32_sys_mknod+0xb0/0xb0 [ 20.900773][ T3915] ? do_syscall_64+0x1c/0xe0 [ 20.905374][ T3915] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 20.911390][ T3915] do_syscall_64+0x60/0xe0 [ 20.915819][ T3915] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 20.921718][ T3915] RIP: 0033:0x7fda73366687 [ 20.926127][ T3915] Code: Bad RIP value. [ 20.930195][ T3915] RSP: 002b:00007ffd6c48e148 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 20.938606][ T3915] RAX: ffffffffffffffda RBX: 000055a6486ed870 RCX: 00007fda73366687 [ 20.946608][ T3915] RDX: 0000000000000000 RSI: 00000000000003ff RDI: 000055a6486ed870 [ 20.954587][ T3915] RBP: 00000000000003ff R08: 000000000000fec0 R09: 000000000000003f [ 20.962575][ T3915] R10: 000055a6486ed840 R11: 0000000000000246 R12: 0000000000000012 [ 20.970552][ T3915] R13: 000055a6486ed890 R14: 0000000000000000 R15: 0000000000000000 [ 21.067714][ T3915] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-tmpfile/3915 [ 21.077383][ T3915] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 21.083450][ T3915] CPU: 0 PID: 3915 Comm: systemd-tmpfile Not tainted 5.8.0-rc1-syzkaller #0 [ 21.092124][ T3915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.102290][ T3915] Call Trace: [ 21.105604][ T3915] dump_stack+0x18f/0x20d [ 21.109938][ T3915] check_preemption_disabled+0x20d/0x220 [ 21.115578][ T3915] ext4_mb_new_blocks+0xa4d/0x3b70 [ 21.120715][ T3915] ? ext4_ext_search_right+0x2ca/0xb20 [ 21.126194][ T3915] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 21.131932][ T3915] ext4_ext_map_blocks+0x201b/0x33e0 [ 21.137376][ T3915] ? ext4_ext_release+0x10/0x10 [ 21.142263][ T3915] ? down_write_killable+0x170/0x170 [ 21.147566][ T3915] ? ext4_es_lookup_extent+0x41d/0xd10 [ 21.153052][ T3915] ext4_map_blocks+0x4cb/0x1640 [ 21.157927][ T3915] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 21.163235][ T3915] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 21.168801][ T3915] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 21.174796][ T3915] ? prandom_u32_state+0xe/0x170 [ 21.179750][ T3915] ? __brelse+0x84/0xa0 [ 21.183921][ T3915] ? __ext4_new_inode+0x144/0x55e0 [ 21.189071][ T3915] ext4_getblk+0xad/0x520 [ 21.193419][ T3915] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 21.199162][ T3915] ? ext4_free_inode+0x1700/0x1700 [ 21.204295][ T3915] ext4_bread+0x7c/0x380 [ 21.208555][ T3915] ? ext4_getblk+0x520/0x520 [ 21.213161][ T3915] ? dquot_get_next_dqblk+0x180/0x180 [ 21.218567][ T3915] ext4_append+0x153/0x360 [ 21.223092][ T3915] ext4_mkdir+0x5e0/0xdf0 [ 21.227445][ T3915] ? ext4_rmdir+0xde0/0xde0 [ 21.231967][ T3915] ? security_inode_permission+0xc4/0xf0 [ 21.237628][ T3915] vfs_mkdir+0x419/0x690 [ 21.241976][ T3915] do_mkdirat+0x21e/0x280 [ 21.246323][ T3915] ? __ia32_sys_mknod+0xb0/0xb0 [ 21.251186][ T3915] ? do_syscall_64+0x1c/0xe0 [ 21.255787][ T3915] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 21.261792][ T3915] do_syscall_64+0x60/0xe0 [ 21.266228][ T3915] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 21.272128][ T3915] RIP: 0033:0x7fda73366687 [ 21.276543][ T3915] Code: Bad RIP value. [ 21.280615][ T3915] RSP: 002b:00007ffd6c48e148 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 21.289036][ T3915] RAX: ffffffffffffffda RBX: 000055a6486eb050 RCX: 00007fda73366687 [ 21.297162][ T3915] RDX: 0000000000000000 RSI: 00000000000003ff RDI: 000055a6486eb050 [ 21.307224][ T3915] RBP: 00000000000003ff R08: 000000000000fec0 R09: 000000000000003f [ 21.315642][ T3915] R10: 000055a6486eb040 R11: 0000000000000246 R12: 0000000000000012 [ 21.324414][ T3915] R13: 000055a6486eb070 R14: 0000000000000000 R15: 0000000000000000 [ 21.336435][ T3915] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-tmpfile/3915 [ 21.346129][ T3915] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 21.352168][ T3915] CPU: 0 PID: 3915 Comm: systemd-tmpfile Not tainted 5.8.0-rc1-syzkaller #0 [ 21.360841][ T3915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.370992][ T3915] Call Trace: [ 21.374296][ T3915] dump_stack+0x18f/0x20d [ 21.378639][ T3915] check_preemption_disabled+0x20d/0x220 [ 21.384286][ T3915] ext4_mb_new_blocks+0xa4d/0x3b70 [ 21.389426][ T3915] ? ext4_ext_search_right+0x2ca/0xb20 [ 21.394890][ T3915] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 21.401671][ T3915] ext4_ext_map_blocks+0x201b/0x33e0 [ 21.406973][ T3915] ? ext4_ext_release+0x10/0x10 [ 21.411847][ T3915] ? down_write_killable+0x170/0x170 [ 21.417137][ T3915] ? ext4_es_lookup_extent+0x41d/0xd10 [ 21.422670][ T3915] ext4_map_blocks+0x4cb/0x1640 [ 21.427540][ T3915] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 21.433184][ T3915] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 21.438846][ T3915] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 21.444852][ T3915] ? prandom_u32_state+0xe/0x170 [ 21.449893][ T3915] ? __brelse+0x84/0xa0 [ 21.454071][ T3915] ? __ext4_new_inode+0x144/0x55e0 [ 21.459196][ T3915] ext4_getblk+0xad/0x520 [ 21.463541][ T3915] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 21.469308][ T3915] ? ext4_free_inode+0x1700/0x1700 [ 21.474443][ T3915] ext4_bread+0x7c/0x380 [ 21.478699][ T3915] ? ext4_getblk+0x520/0x520 [ 21.483316][ T3915] ? dquot_get_next_dqblk+0x180/0x180 [ 21.491398][ T3915] ext4_append+0x153/0x360 [ 21.495829][ T3915] ext4_mkdir+0x5e0/0xdf0 [ 21.500266][ T3915] ? ext4_rmdir+0xde0/0xde0 [ 21.504779][ T3915] ? security_inode_permission+0xc4/0xf0 [ 21.510428][ T3915] vfs_mkdir+0x419/0x690 [ 21.514700][ T3915] do_mkdirat+0x21e/0x280 [ 21.519052][ T3915] ? __ia32_sys_mknod+0xb0/0xb0 [ 21.523918][ T3915] ? do_syscall_64+0x1c/0xe0 [ 21.528869][ T3915] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 21.534908][ T3915] do_syscall_64+0x60/0xe0 [ 21.539379][ T3915] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 21.545274][ T3915] RIP: 0033:0x7fda73366687 [ 21.549684][ T3915] Code: Bad RIP value. [ 21.553750][ T3915] RSP: 002b:00007ffd6c48e148 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 21.562424][ T3915] RAX: ffffffffffffffda RBX: 000055a6486eb160 RCX: 00007fda73366687 [ 21.568430][ C1] random: crng init done [ 21.570397][ T3915] RDX: 0000000000000000 RSI: 00000000000003ff RDI: 000055a6486eb160 [ 21.574621][ C1] random: 7 urandom warning(s) missed due to ratelimiting [ 21.582579][ T3915] RBP: 00000000000003ff R08: 000000000000fec0 R09: 000000000000003f [ 21.582588][ T3915] R10: 000055a6486eb140 R11: 0000000000000246 R12: 0000000000000012 [ 21.582596][ T3915] R13: 000055a6486eb180 R14: 0000000000000000 R15: 0000000000000000 [ 21.596219][ T3915] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-tmpfile/3915 [ 21.624009][ T3915] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 21.629967][ T3915] CPU: 0 PID: 3915 Comm: systemd-tmpfile Not tainted 5.8.0-rc1-syzkaller #0 [ 21.639074][ T3915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.649130][ T3915] Call Trace: [ 21.652428][ T3915] dump_stack+0x18f/0x20d [ 21.656950][ T3915] check_preemption_disabled+0x20d/0x220 [ 21.662593][ T3915] ext4_mb_new_blocks+0xa4d/0x3b70 [ 21.667730][ T3915] ? ext4_ext_search_right+0x2ca/0xb20 [ 21.673230][ T3915] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 21.678992][ T3915] ext4_ext_map_blocks+0x201b/0x33e0 [ 21.684304][ T3915] ? ext4_ext_release+0x10/0x10 [ 21.689183][ T3915] ? down_write_killable+0x170/0x170 [ 21.694646][ T3915] ? ext4_es_lookup_extent+0x41d/0xd10 [ 21.700139][ T3915] ext4_map_blocks+0x4cb/0x1640 [ 21.705007][ T3915] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 21.710217][ T3915] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 21.715772][ T3915] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 21.721782][ T3915] ? prandom_u32_state+0xe/0x170 [ 21.726726][ T3915] ? __brelse+0x84/0xa0 [ 21.730892][ T3915] ? __ext4_new_inode+0x144/0x55e0 [ 21.736023][ T3915] ext4_getblk+0xad/0x520 [ 21.740358][ T3915] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 21.746087][ T3915] ? ext4_free_inode+0x1700/0x1700 [ 21.751205][ T3915] ext4_bread+0x7c/0x380 [ 21.755457][ T3915] ? ext4_getblk+0x520/0x520 [ 21.760051][ T3915] ? dquot_get_next_dqblk+0x180/0x180 [ 21.765432][ T3915] ext4_append+0x153/0x360 [ 21.769860][ T3915] ext4_mkdir+0x5e0/0xdf0 [ 21.774289][ T3915] ? ext4_rmdir+0xde0/0xde0 [ 21.778797][ T3915] ? security_inode_permission+0xc4/0xf0 [ 21.784876][ T3915] vfs_mkdir+0x419/0x690 [ 21.789127][ T3915] do_mkdirat+0x21e/0x280 [ 21.793465][ T3915] ? __ia32_sys_mknod+0xb0/0xb0 [ 21.798328][ T3915] ? do_syscall_64+0x1c/0xe0 [ 21.802926][ T3915] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 21.808949][ T3915] do_syscall_64+0x60/0xe0 [ 21.813743][ T3915] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 21.819638][ T3915] RIP: 0033:0x7fda73366687 [ 21.824394][ T3915] Code: Bad RIP value. [ 21.828458][ T3915] RSP: 002b:00007ffd6c48e148 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 21.836884][ T3915] RAX: ffffffffffffffda RBX: 000055a6486ee890 RCX: 00007fda73366687 [ 21.844872][ T3915] RDX: 0000000000000000 RSI: 00000000000003ff RDI: 000055a6486ee890 [ 21.852950][ T3915] RBP: 00000000000003ff R08: 000000000000fec0 R09: 000000000000003f [ 21.861016][ T3915] R10: 000055a6486ee880 R11: 0000000000000246 R12: 0000000000000012 [ 21.869080][ T3915] R13: 000055a6486ee8b0 R14: 0000000000000000 R15: 0000000000000000 [ 21.929490][ T3915] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-tmpfile/3915 [ 21.939311][ T3915] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 21.945227][ T3915] CPU: 0 PID: 3915 Comm: systemd-tmpfile Not tainted 5.8.0-rc1-syzkaller #0 [ 21.953898][ T3915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.963957][ T3915] Call Trace: [ 21.967256][ T3915] dump_stack+0x18f/0x20d [ 21.971591][ T3915] check_preemption_disabled+0x20d/0x220 [ 21.977220][ T3915] ext4_mb_new_blocks+0xa4d/0x3b70 [ 21.982326][ T3915] ? ext4_ext_search_right+0x2ca/0xb20 [ 21.988635][ T3915] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 21.994343][ T3915] ext4_ext_map_blocks+0x201b/0x33e0 [ 21.999814][ T3915] ? ext4_ext_release+0x10/0x10 [ 22.004667][ T3915] ? down_write_killable+0x170/0x170 [ 22.009938][ T3915] ? ext4_es_lookup_extent+0x41d/0xd10 [ 22.015396][ T3915] ext4_map_blocks+0x4cb/0x1640 [ 22.020241][ T3915] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 22.025422][ T3915] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 22.030950][ T3915] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 22.036910][ T3915] ? __ext4_new_inode+0x23ae/0x55e0 [ 22.042099][ T3915] ? __brelse+0x84/0xa0 [ 22.047026][ T3915] ? __ext4_new_inode+0x144/0x55e0 [ 22.052153][ T3915] ext4_getblk+0xad/0x520 [ 22.056469][ T3915] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 22.062177][ T3915] ? ext4_free_inode+0x1700/0x1700 [ 22.067274][ T3915] ext4_bread+0x7c/0x380 [ 22.072281][ T3915] ? ext4_getblk+0x520/0x520 [ 22.076856][ T3915] ? dquot_get_next_dqblk+0x180/0x180 [ 22.082237][ T3915] ext4_append+0x153/0x360 [ 22.086640][ T3915] ext4_mkdir+0x5e0/0xdf0 [ 22.090959][ T3915] ? ext4_rmdir+0xde0/0xde0 [ 22.095466][ T3915] ? security_inode_permission+0xc4/0xf0 [ 22.101116][ T3915] vfs_mkdir+0x419/0x690 [ 22.105359][ T3915] do_mkdirat+0x21e/0x280 [ 22.109685][ T3915] ? __ia32_sys_mknod+0xb0/0xb0 [ 22.114522][ T3915] ? do_syscall_64+0x1c/0xe0 [ 22.119445][ T3915] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 22.125409][ T3915] do_syscall_64+0x60/0xe0 [ 22.129823][ T3915] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.135696][ T3915] RIP: 0033:0x7fda73366687 [ 22.140087][ T3915] Code: Bad RIP value. [ 22.144131][ T3915] RSP: 002b:00007ffd6c48e148 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 22.152540][ T3915] RAX: ffffffffffffffda RBX: 000055a6486ee9a0 RCX: 00007fda73366687 [ 22.161111][ T3915] RDX: 0000000000000000 RSI: 00000000000003ff RDI: 000055a6486ee9a0 [ 22.169066][ T3915] RBP: 00000000000003ff R08: 000000000000fec0 R09: 000000000000003f [ 22.177018][ T3915] R10: 000055a6486ee980 R11: 0000000000000246 R12: 0000000000000012 [ 22.184969][ T3915] R13: 000055a6486ee9c0 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Create Volatile Files and Directories. [ 22.421483][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 22.430723][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 22.436641][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 22.445752][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.455841][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 22.461831][ T57] Call Trace: [ 22.465133][ T57] dump_stack+0x18f/0x20d [ 22.469480][ T57] check_preemption_disabled+0x20d/0x220 [ 22.475132][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 22.480259][ T57] ? ext4_find_extent+0x81a/0xad0 [ 22.485311][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 22.490785][ T57] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 22.496541][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 22.501887][ T57] ? ext4_ext_release+0x10/0x10 [ 22.506770][ T57] ? down_write_killable+0x170/0x170 [ 22.512096][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 22.517574][ T57] ext4_map_blocks+0x4cb/0x1640 [ 22.523142][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 22.528361][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 22.533926][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 22.539923][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 22.545581][ T57] ext4_writepages+0x1a7b/0x33c0 [ 22.550560][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 22.556206][ T57] ? __lock_acquire+0x2224/0x48b0 [ 22.561356][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 22.567360][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 22.573388][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 22.579036][ T57] ? do_writepages+0xfa/0x2a0 [ 22.583728][ T57] do_writepages+0xfa/0x2a0 [ 22.588251][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 22.593918][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 22.599481][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 22.605478][ T57] ? lock_downgrade+0x840/0x840 [ 22.610352][ T57] __writeback_single_inode+0x12a/0x13d0 [ 22.616094][ T57] ? _raw_spin_unlock+0x24/0x40 [ 22.620965][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 22.627491][ T57] writeback_sb_inodes+0x515/0xdc0 [ 22.632668][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 22.638606][ T57] __writeback_inodes_wb+0xc3/0x250 [ 22.643836][ T57] wb_writeback+0x8db/0xd50 [ 22.648370][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 22.654987][ T57] ? cpumask_next+0x3c/0x40 [ 22.659508][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 22.664730][ T57] wb_workfn+0x9bc/0x1090 [ 22.669081][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 22.674647][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 22.680216][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 22.686216][ T57] process_one_work+0x965/0x1690 [ 22.691197][ T57] ? lock_release+0x800/0x800 [ 22.695892][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 22.701306][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 22.706271][ T57] worker_thread+0x96/0xe10 [ 22.710804][ T57] ? process_one_work+0x1690/0x1690 [ 22.716119][ T57] kthread+0x3b5/0x4a0 [ 22.720204][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 22.725933][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 22.731667][ T57] ret_from_fork+0x1f/0x30 [ 22.853680][ T1] BUG: using smp_processor_id() in preemptible [00000000] code: systemd/1 [ 22.862625][ T1] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 22.868592][ T1] CPU: 0 PID: 1 Comm: systemd Not tainted 5.8.0-rc1-syzkaller #0 [ 22.876314][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.886394][ T1] Call Trace: [ 22.889701][ T1] dump_stack+0x18f/0x20d [ 22.894055][ T1] check_preemption_disabled+0x20d/0x220 [ 22.899707][ T1] ext4_mb_new_blocks+0xa4d/0x3b70 [ 22.904934][ T1] ? ext4_ext_search_right+0x2ca/0xb20 [ 22.910412][ T1] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 22.916182][ T1] ext4_ext_map_blocks+0x201b/0x33e0 [ 22.921495][ T1] ? ext4_ext_release+0x10/0x10 [ 22.926900][ T1] ? down_write_killable+0x170/0x170 [ 22.932281][ T1] ? ext4_es_lookup_extent+0x41d/0xd10 [ 22.937762][ T1] ext4_map_blocks+0x4cb/0x1640 [ 22.942629][ T1] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 22.947832][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 22.953391][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 22.959377][ T1] ? prandom_u32_state+0xe/0x170 [ 22.964419][ T1] ? __brelse+0x84/0xa0 [ 22.968597][ T1] ? __ext4_new_inode+0x144/0x55e0 [ 22.973730][ T1] ext4_getblk+0xad/0x520 [ 22.978075][ T1] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 22.983844][ T1] ? ext4_free_inode+0x1700/0x1700 [ 22.988998][ T1] ext4_bread+0x7c/0x380 [ 22.993250][ T1] ? ext4_getblk+0x520/0x520 [ 22.997848][ T1] ? dquot_get_next_dqblk+0x180/0x180 [ 23.003235][ T1] ext4_append+0x153/0x360 [ 23.007704][ T1] ext4_mkdir+0x5e0/0xdf0 [ 23.012061][ T1] ? ext4_rmdir+0xde0/0xde0 [ 23.016582][ T1] ? security_inode_permission+0xc4/0xf0 [ 23.022239][ T1] vfs_mkdir+0x419/0x690 [ 23.026501][ T1] do_mkdirat+0x21e/0x280 [ 23.030849][ T1] ? __ia32_sys_mknod+0xb0/0xb0 [ 23.035720][ T1] ? do_syscall_64+0x1c/0xe0 [ 23.040323][ T1] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 23.046327][ T1] do_syscall_64+0x60/0xe0 [ 23.050764][ T1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 23.056670][ T1] RIP: 0033:0x7fe1605b8687 [ 23.061085][ T1] Code: Bad RIP value. [ 23.065163][ T1] RSP: 002b:00007ffce7c58238 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 23.073663][ T1] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe1605b8687 [ 23.081646][ T1] RDX: 0000000000000001 RSI: 00000000000001c0 RDI: 0000561c135217d0 [ 23.089633][ T1] RBP: 000000000003a2f8 R08: 000000005ee85b82 R09: 0000000000000060 [ 23.097622][ T1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561c13521820 [ 23.105610][ T1] R13: 8421084210842109 R14: 00000000000000c2 R15: 00007fe160646540 [ 23.127945][ T1] BUG: using smp_processor_id() in preemptible [00000000] code: systemd/1 [ 23.136518][ T1] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 23.142546][ T1] CPU: 0 PID: 1 Comm: systemd Not tainted 5.8.0-rc1-syzkaller #0 [ 23.150301][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.160361][ T1] Call Trace: [ 23.163662][ T1] dump_stack+0x18f/0x20d [ 23.168018][ T1] check_preemption_disabled+0x20d/0x220 [ 23.173668][ T1] ext4_mb_new_blocks+0xa4d/0x3b70 [ 23.178807][ T1] ? ext4_ext_search_right+0x2ca/0xb20 [ 23.184277][ T1] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 23.190020][ T1] ext4_ext_map_blocks+0x201b/0x33e0 [ 23.195335][ T1] ? ext4_ext_release+0x10/0x10 [ 23.200225][ T1] ? down_write_killable+0x170/0x170 [ 23.205522][ T1] ? ext4_es_lookup_extent+0x41d/0xd10 [ 23.211009][ T1] ext4_map_blocks+0x4cb/0x1640 [ 23.215880][ T1] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 23.221090][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 23.226649][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 23.232639][ T1] ? prandom_u32_state+0xe/0x170 [ 23.237590][ T1] ? __brelse+0x84/0xa0 [ 23.241781][ T1] ? __ext4_new_inode+0x144/0x55e0 [ 23.251687][ T1] ext4_getblk+0xad/0x520 [ 23.256042][ T1] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 23.261782][ T1] ? ext4_free_inode+0x1700/0x1700 [ 23.266921][ T1] ext4_bread+0x7c/0x380 [ 23.271212][ T1] ? ext4_getblk+0x520/0x520 [ 23.275826][ T1] ? dquot_get_next_dqblk+0x180/0x180 [ 23.281223][ T1] ext4_append+0x153/0x360 [ 23.285664][ T1] ext4_mkdir+0x5e0/0xdf0 [ 23.290015][ T1] ? ext4_rmdir+0xde0/0xde0 [ 23.294569][ T1] ? security_inode_permission+0xc4/0xf0 [ 23.300587][ T1] vfs_mkdir+0x419/0x690 [ 23.304934][ T1] do_mkdirat+0x21e/0x280 [ 23.309281][ T1] ? __ia32_sys_mknod+0xb0/0xb0 [ 23.314229][ T1] ? do_syscall_64+0x1c/0xe0 [ 23.318837][ T1] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 23.324916][ T1] do_syscall_64+0x60/0xe0 [ 23.331781][ T1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 23.337679][ T1] RIP: 0033:0x7fe1605b8687 [ 23.342087][ T1] Code: Bad RIP value. [ 23.346151][ T1] RSP: 002b:00007ffce7c582c8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 23.354999][ T1] RAX: ffffffffffffffda RBX: 0000561c135217d0 RCX: 00007fe1605b8687 [ 23.362979][ T1] RDX: 0000000000583368 RSI: 00000000000003ff RDI: 00007ffce7c582d0 [ 23.371300][ T1] RBP: 00007ffce7c583b0 R08: 000000000000fcc0 R09: 0000000000000060 [ 23.379365][ T1] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 [ 23.387384][ T1] R13: 00007ffce7c583d0 R14: 00007ffce7c582d0 R15: 0000561c11eb7eba [ 23.403140][ T1] BUG: using smp_processor_id() in preemptible [00000000] code: systemd/1 [ 23.411798][ T1] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 23.417761][ T1] CPU: 0 PID: 1 Comm: systemd Not tainted 5.8.0-rc1-syzkaller #0 [ 23.425479][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.435561][ T1] Call Trace: [ 23.438874][ T1] dump_stack+0x18f/0x20d [ 23.443226][ T1] check_preemption_disabled+0x20d/0x220 [ 23.448871][ T1] ext4_mb_new_blocks+0xa4d/0x3b70 [ 23.454271][ T1] ? ext4_ext_search_right+0x2ca/0xb20 [ 23.459744][ T1] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 23.465490][ T1] ext4_ext_map_blocks+0x201b/0x33e0 [ 23.470884][ T1] ? ext4_ext_release+0x10/0x10 [ 23.475773][ T1] ? down_write_killable+0x170/0x170 [ 23.481068][ T1] ? ext4_es_lookup_extent+0x41d/0xd10 [ 23.486545][ T1] ext4_map_blocks+0x4cb/0x1640 [ 23.491787][ T1] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 23.496998][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 23.502558][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 23.508543][ T1] ? prandom_u32_state+0xe/0x170 [ 23.513493][ T1] ? __brelse+0x84/0xa0 [ 23.517658][ T1] ? __ext4_new_inode+0x144/0x55e0 [ 23.522784][ T1] ext4_getblk+0xad/0x520 [ 23.527125][ T1] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 23.532885][ T1] ? ext4_free_inode+0x1700/0x1700 [ 23.538007][ T1] ext4_bread+0x7c/0x380 [ 23.542260][ T1] ? ext4_getblk+0x520/0x520 [ 23.546861][ T1] ? dquot_get_next_dqblk+0x180/0x180 [ 23.553638][ T1] ext4_append+0x153/0x360 [ 23.558067][ T1] ext4_mkdir+0x5e0/0xdf0 [ 23.562422][ T1] ? ext4_rmdir+0xde0/0xde0 [ 23.566931][ T1] ? security_inode_permission+0xc4/0xf0 [ 23.572575][ T1] vfs_mkdir+0x419/0x690 [ 23.577085][ T1] do_mkdirat+0x21e/0x280 [ 23.581427][ T1] ? __ia32_sys_mknod+0xb0/0xb0 [ 23.586545][ T1] ? do_syscall_64+0x1c/0xe0 [ 23.591143][ T1] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 23.597420][ T1] do_syscall_64+0x60/0xe0 [ 23.601855][ T1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 23.607758][ T1] RIP: 0033:0x7fe1605b8687 [ 23.612267][ T1] Code: Bad RIP value. [ 23.616331][ T1] RSP: 002b:00007ffce7c58238 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 23.625007][ T1] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe1605b8687 [ 23.633072][ T1] RDX: 0000000000000002 RSI: 00000000000001c0 RDI: 0000561c134bcc40 [ 23.641073][ T1] RBP: 000000000003a2f8 R08: 000000000000cac0 R09: 0000000000000070 [ 23.649086][ T1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561c134bcc94 [ 23.658725][ T1] R13: 8421084210842109 R14: 00000000000000c2 R15: 00007fe160646540 Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Started Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Synchronized. [* ] (1 of 3) A start job is running for dev-ttyS0.device (15s / 1min 30s) [** ] (1 of 3) A start job is running for dev-ttyS0.device (15s / 1min 30s) [*** ] (1 of 3) A start job is running for dev-ttyS0.device (16s / 1min 30s) [ *** ] (2 of 3) A start job is running for…dplug all Devices (16s / no limit) [ *** ] (2 of 3) A start job is running for…dplug all Devices (17s / no limit) [ ***] (2 of 3) A start job is running for…dplug all Devices (18s / no limit) [ **] (3 of 3) A start job is running for…network interfaces (18s / 5min 2s) [ OK ] Reached target Sound Card. [ *] (3 of 3) A start job is running for…network interfaces (23s / 5min 2s) [ **] (3 of 3) A start job is running for…network interfaces (24s / 5min 2s) [ ***] (1 of 3) A start job is running for dev-ttyS0.device (24s / 1min 30s) [ *** ] (1 of 3) A start job is running for dev-ttyS0.device (25s / 1min 30s) [ *** ] (1 of 3) A start job is running for dev-ttyS0.device (25s / 1min 30s) [*** ] (2 of 3) A start job is running for…dplug all Devices (26s / no limit) [** ] (2 of 3) A start job is running for…dplug all Devices (26s / no limit) [* ] (2 of 3) A start job is running for…dplug all Devices (27s / no limit) [** ] (3 of 3) A start job is running for…network interfaces (27s / 5min 2s) [ OK ] Started udev Coldplug all Devices. [ OK ] Reached target System Initialization. [ 44.742130][ T1] check_preemption_disabled: 3 callbacks suppressed [ 44.742144][ T1] BUG: using smp_processor_id() in preemptible [00000000] code: systemd/1 [ 44.757702][ T1] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 44.763607][ T1] CPU: 1 PID: 1 Comm: systemd Not tainted 5.8.0-rc1-syzkaller #0 [ 44.771325][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.781383][ T1] Call Trace: [ 44.784683][ T1] dump_stack+0x18f/0x20d [ 44.789036][ T1] check_preemption_disabled+0x20d/0x220 [ 44.794676][ T1] ext4_mb_new_blocks+0xa4d/0x3b70 [ 44.799806][ T1] ? ext4_ext_search_right+0x2ca/0xb20 [ 44.805271][ T1] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 44.811008][ T1] ext4_ext_map_blocks+0x201b/0x33e0 [ 44.816309][ T1] ? ext4_ext_release+0x10/0x10 [ 44.821184][ T1] ? down_write_killable+0x170/0x170 [ 44.826488][ T1] ? ext4_es_lookup_extent+0x41d/0xd10 [ 44.831961][ T1] ext4_map_blocks+0x4cb/0x1640 [ 44.836825][ T1] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 44.842030][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 44.848023][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 44.854006][ T1] ? prandom_u32_state+0xe/0x170 [ 44.858949][ T1] ? __brelse+0x84/0xa0 [ 44.863118][ T1] ? __ext4_new_inode+0x144/0x55e0 [ 44.868239][ T1] ext4_getblk+0xad/0x520 [ 44.873182][ T1] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 44.878939][ T1] ? ext4_free_inode+0x1700/0x1700 [ 44.884148][ T1] ext4_bread+0x7c/0x380 [ 44.888410][ T1] ? ext4_getblk+0x520/0x520 [ 44.893058][ T1] ? dquot_get_next_dqblk+0x180/0x180 [ 44.898464][ T1] ext4_append+0x153/0x360 [ 44.902890][ T1] ext4_mkdir+0x5e0/0xdf0 [ 44.907229][ T1] ? ext4_rmdir+0xde0/0xde0 [ 44.911746][ T1] ? security_inode_permission+0xc4/0xf0 [ 44.917471][ T1] vfs_mkdir+0x419/0x690 [ 44.921720][ T1] do_mkdirat+0x21e/0x280 [ 44.926054][ T1] ? __ia32_sys_mknod+0xb0/0xb0 [ 44.930906][ T1] ? do_syscall_64+0x1c/0xe0 [ 44.935504][ T1] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 44.941521][ T1] do_syscall_64+0x60/0xe0 [ 44.945955][ T1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.951850][ T1] RIP: 0033:0x7fe1605b8687 [ 44.956257][ T1] Code: Bad RIP value. [ 44.961187][ T1] RSP: 002b:00007ffce7c58468 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 44.969603][ T1] RAX: ffffffffffffffda RBX: 0000561c134ef4c8 RCX: 00007fe1605b8687 [ 44.977578][ T1] RDX: 0000000000000017 RSI: 00000000000001ed RDI: 00007ffce7c58470 [ 44.985569][ T1] RBP: 00007ffce7c58530 R08: 00007fe161cf0940 R09: 00000000ffffffff [ 44.993544][ T1] R10: 0000561c134ef4c0 R11: 0000000000000246 R12: 0000561c134ef4b0 [ 45.002476][ T1] R13: 0000000000000000 R14: 0000000000000017 R15: 00007ffce7c584a0 [ OK ] Started Daily apt download activities. [ OK ] Reached target Basic System. Starting System Logging Service... [ OK ] Started Regular background program processing daemon. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. Starting getty on tty2-tty6 if dbus and logind are not available... [ OK ] Found device /dev/ttyS0. [ OK ] Started System Logging Service. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. Starting Load/Save RF Kill Switch Status... [ 48.614879][ T6505] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6505 [ 48.624553][ T6505] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 48.631456][ T6505] CPU: 0 PID: 6505 Comm: systemd-rfkill Not tainted 5.8.0-rc1-syzkaller #0 [ 48.640074][ T6505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.650130][ T6505] Call Trace: [ 48.653431][ T6505] dump_stack+0x18f/0x20d [ 48.657779][ T6505] check_preemption_disabled+0x20d/0x220 [ 48.663420][ T6505] ext4_mb_new_blocks+0xa4d/0x3b70 [ 48.668559][ T6505] ? ext4_ext_search_right+0x2ca/0xb20 [ 48.674024][ T6505] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 48.679763][ T6505] ext4_ext_map_blocks+0x201b/0x33e0 [ 48.685068][ T6505] ? ext4_ext_release+0x10/0x10 [ 48.689946][ T6505] ? down_write_killable+0x170/0x170 [ 48.695240][ T6505] ? ext4_es_lookup_extent+0x41d/0xd10 [ 48.700713][ T6505] ext4_map_blocks+0x4cb/0x1640 [ 48.705580][ T6505] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 48.710795][ T6505] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 48.716357][ T6505] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 48.722344][ T6505] ? prandom_u32_state+0xe/0x170 [ 48.727288][ T6505] ? __brelse+0x84/0xa0 [ 48.731462][ T6505] ? __ext4_new_inode+0x144/0x55e0 [ 48.736590][ T6505] ext4_getblk+0xad/0x520 [ 48.740933][ T6505] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 48.746666][ T6505] ? ext4_free_inode+0x1700/0x1700 [ 48.751786][ T6505] ext4_bread+0x7c/0x380 [ 48.756036][ T6505] ? ext4_getblk+0x520/0x520 [ 48.760632][ T6505] ? dquot_get_next_dqblk+0x180/0x180 [ 48.766018][ T6505] ext4_append+0x153/0x360 [ 48.770451][ T6505] ext4_mkdir+0x5e0/0xdf0 [ 48.774917][ T6505] ? ext4_rmdir+0xde0/0xde0 [ 48.779429][ T6505] ? security_inode_permission+0xc4/0xf0 [ 48.785073][ T6505] vfs_mkdir+0x419/0x690 [ 48.789323][ T6505] do_mkdirat+0x21e/0x280 [ 48.793657][ T6505] ? __ia32_sys_mknod+0xb0/0xb0 [ 48.798513][ T6505] ? do_syscall_64+0x1c/0xe0 [ 48.803115][ T6505] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 48.809276][ T6505] do_syscall_64+0x60/0xe0 [ 48.813702][ T6505] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.819602][ T6505] RIP: 0033:0x7f3275ba1687 [ 48.824191][ T6505] Code: Bad RIP value. [ 48.828255][ T6505] RSP: 002b:00007ffc7424a0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 48.836666][ T6505] RAX: ffffffffffffffda RBX: 0000560ff6455985 RCX: 00007f3275ba1687 [ 48.844640][ T6505] RDX: 00007ffc74249fc0 RSI: 00000000000001ed RDI: 0000560ff6455985 [ 48.852619][ T6505] RBP: 00007f3275ba1680 R08: 0000000000000100 R09: 0000000000000000 [ 48.860691][ T6505] R10: 0000560ff6455980 R11: 0000000000000246 R12: 00000000000001ed [ 48.868665][ T6505] R13: 00007ffc7424a280 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. [*** ] A start job is running for Raise network interfaces (39s / 5min 2s) [ *** ] A start job is running for Raise network interfaces (40s / 5min 2s) [ *** ] A start job is running for Raise network interfaces (40s / 5min 2s) [ ***] A start job is running for Raise network interfaces (41s / 5min 2s)[ 58.167840][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 58.176906][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.183275][ T57] CPU: 1 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 58.191524][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.201665][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 58.207656][ T57] Call Trace: [ 58.211049][ T57] dump_stack+0x18f/0x20d [ 58.215364][ T57] check_preemption_disabled+0x20d/0x220 [ 58.220985][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.226117][ T57] ? ext4_find_extent+0x81a/0xad0 [ 58.231353][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.236791][ T57] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.242683][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 58.247977][ T57] ? ext4_ext_release+0x10/0x10 [ 58.252816][ T57] ? down_write_killable+0x170/0x170 [ 58.258092][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 58.264399][ T57] ext4_map_blocks+0x4cb/0x1640 [ 58.269239][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.274431][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.280044][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.286012][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 58.291520][ T57] ext4_writepages+0x1a7b/0x33c0 [ 58.296471][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 58.302279][ T57] ? __lock_acquire+0x2224/0x48b0 [ 58.307304][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 58.313289][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 58.319342][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 58.324962][ T57] ? do_writepages+0xfa/0x2a0 [ 58.329630][ T57] do_writepages+0xfa/0x2a0 [ 58.334824][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 58.340633][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.346181][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.352146][ T57] ? lock_downgrade+0x840/0x840 [ 58.356999][ T57] __writeback_single_inode+0x12a/0x13d0 [ 58.362624][ T57] ? _raw_spin_unlock+0x24/0x40 [ 58.367485][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 58.373488][ T57] writeback_sb_inodes+0x515/0xdc0 [ 58.378600][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 58.384498][ T57] __writeback_inodes_wb+0xc3/0x250 [ 58.389793][ T57] wb_writeback+0x8db/0xd50 [ 58.394739][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 58.401052][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 58.406948][ T57] ? cpumask_next+0x3c/0x40 [ 58.411438][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 58.416629][ T57] wb_workfn+0xab3/0x1090 [ 58.420957][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 58.426767][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.432310][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.438274][ T57] process_one_work+0x965/0x1690 [ 58.443195][ T57] ? lock_release+0x800/0x800 [ 58.447853][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 58.453218][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 58.458148][ T57] worker_thread+0x96/0xe10 [ 58.462644][ T57] ? process_one_work+0x1690/0x1690 [ 58.467949][ T57] kthread+0x3b5/0x4a0 [ 58.472018][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.479378][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.485111][ T57] ret_from_fork+0x1f/0x30 [ **] A start job is running for Raise network interfaces (41s / 5min 2s) [ *] A start job is running for Raise network interfaces (42s / 5min 2s) [ **] A start job is running for Raise network interfaces (43s / 5min 2s) [ ***] A start job is running for Raise network interfaces (43s / 5min 2s) [ *** ] A start job is running for Raise network interfaces (44s / 5min 2s) [ *** ] A start job is running for Raise network interfaces (44s / 5min 2s) [*** ] A start job is running for Raise network interfaces (45s / 5min 2s) [** ] A start job is running for Raise network interfaces (45s / 5min 2s) [* ] A start job is running for Raise network interfaces (46s / 5min 2s) [** ] A start job is running for Raise network interfaces (46s / 5min 2s)[ 63.528179][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 63.537219][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 63.543631][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 63.552041][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.562172][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 63.568439][ T57] Call Trace: [ 63.568469][ T57] dump_stack+0x18f/0x20d [ 63.568494][ T57] check_preemption_disabled+0x20d/0x220 [ 63.582617][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 63.587730][ T57] ? ext4_find_extent+0x81a/0xad0 [ 63.592758][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.598232][ T57] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 63.603962][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 63.609581][ T57] ? ext4_ext_release+0x10/0x10 [[ 63.614469][ T57] ? down_write_killable+0x170/0x170 [ 63.620935][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 63.626442][ T57] ext4_map_blocks+0x4cb/0x1640 *[0;1;31[ 63.631398][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.638000][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 m** [ 63.643668][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.651662][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 ] [ 63.657262][ T57] ext4_writepages+0x1a7b/0x33c0 [ 63.662827][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 63.668636][ T57] ? __lock_acquire+0x2224/0x48b0 A start job is r[ 63.674409][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 63.681773][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 63.687762][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 unning for Raise[ 63.693400][ T57] ? do_writepages+0xfa/0x2a0 [ 63.699543][ T57] do_writepages+0xfa/0x2a0 network interfa[ 63.704065][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 63.711773][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 ces (47s / 5min [ 63.717418][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 2s)[ 63.725015][ T57] ? lock_downgrade+0x840/0x840 [ 63.730339][ T57] __writeback_single_inode+0x12a/0x13d0 [ 63.736068][ T57] ? _raw_spin_unlock+0x24/0x40 [ 63.741019][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 63.747146][ T57] writeback_sb_inodes+0x515/0xdc0 [ 63.752266][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 63.758257][ T57] __writeback_inodes_wb+0xc3/0x250 [ 63.763464][ T57] wb_writeback+0x8db/0xd50 [ 63.767959][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 63.774268][ T57] ? cpumask_next+0x3c/0x40 [ 63.778769][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 63.783957][ T57] wb_workfn+0x9bc/0x1090 [ 63.788287][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 63.793844][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.800156][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.806556][ T57] process_one_work+0x965/0x1690 [ 63.811551][ T57] ? lock_release+0x800/0x800 [ 63.816229][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 63.821776][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 63.826701][ T57] worker_thread+0x96/0xe10 [ 63.831204][ T57] ? process_one_work+0x1690/0x1690 [ 63.836747][ T57] kthread+0x3b5/0x4a0 [ 63.840815][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.846545][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.852261][ T57] ret_from_fork+0x1f/0x30 [ 63.859239][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 63.868396][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 63.874302][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 63.882550][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.892690][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 63.898647][ T57] Call Trace: [ 63.901929][ T57] dump_stack+0x18f/0x20d [ 63.906786][ T57] check_preemption_disabled+0x20d/0x220 [ 63.912580][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 63.917695][ T57] ? ext4_find_extent+0x81a/0xad0 [ 63.922709][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.928160][ T57] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 63.934125][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 63.939408][ T57] ? ext4_ext_release+0x10/0x10 [ 63.944248][ T57] ? down_write_killable+0x170/0x170 [ 63.949535][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 63.954976][ T57] ext4_map_blocks+0x4cb/0x1640 [ 63.959810][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.964990][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.970521][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.976480][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 63.981920][ T57] ext4_writepages+0x1a7b/0x33c0 [ 63.986850][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 63.992496][ T57] ? __lock_acquire+0x2224/0x48b0 [ 63.997508][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 64.003481][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 64.009446][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 64.015081][ T57] ? do_writepages+0xfa/0x2a0 [ 64.019736][ T57] do_writepages+0xfa/0x2a0 [ 64.024236][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 64.029861][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.035646][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.041615][ T57] ? lock_downgrade+0x840/0x840 [ 64.046468][ T57] __writeback_single_inode+0x12a/0x13d0 [ 64.052081][ T57] ? _raw_spin_unlock+0x24/0x40 [ 64.056907][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 64.062867][ T57] writeback_sb_inodes+0x515/0xdc0 [ 64.067975][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 64.073857][ T57] __writeback_inodes_wb+0xc3/0x250 [ 64.079037][ T57] wb_writeback+0x8db/0xd50 [ 64.083522][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 64.089842][ T57] ? cpumask_next+0x3c/0x40 [ 64.094327][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 64.099509][ T57] wb_workfn+0x9bc/0x1090 [ 64.104351][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 64.109877][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.115422][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.121392][ T57] process_one_work+0x965/0x1690 [ 64.126320][ T57] ? lock_release+0x800/0x800 [ 64.130975][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 64.136327][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 64.141349][ T57] worker_thread+0x96/0xe10 [ 64.146044][ T57] ? process_one_work+0x1690/0x1690 [ 64.151239][ T57] kthread+0x3b5/0x4a0 [ 64.155389][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.161178][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.166876][ T57] ret_from_fork+0x1f/0x30 [ 64.174802][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 64.184116][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 64.190147][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 64.198377][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.208432][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 64.214458][ T57] Call Trace: [ 64.217754][ T57] dump_stack+0x18f/0x20d [ 64.222086][ T57] check_preemption_disabled+0x20d/0x220 [ 64.227982][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 64.233076][ T57] ? ext4_find_extent+0x81a/0xad0 [ 64.238097][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 64.243632][ T57] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 64.249342][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 64.255952][ T57] ? ext4_ext_release+0x10/0x10 [ 64.260801][ T57] ? down_write_killable+0x170/0x170 [ 64.266077][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 64.271523][ T57] ext4_map_blocks+0x4cb/0x1640 [ 64.276395][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 64.281689][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.287227][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.293202][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 64.298645][ T57] ext4_writepages+0x1a7b/0x33c0 [ 64.303586][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 64.309215][ T57] ? __lock_acquire+0x2224/0x48b0 [ 64.314241][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 64.320567][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 64.320597][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 64.332209][ T57] ? do_writepages+0xfa/0x2a0 [ 64.336888][ T57] do_writepages+0xfa/0x2a0 [ 64.341405][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 64.347054][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.352939][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.359206][ T57] ? lock_downgrade+0x840/0x840 [[ 64.364095][ T57] __writeback_single_inode+0x12a/0x13d0 [ 64.369888][ T57] ? _raw_spin_unlock+0x24/0x40 *[0;1;3[ 64.374830][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 64.382196][ T57] writeback_sb_inodes+0x515/0xdc0 1m** [ 64.387341][ T57] ? __writeback_single_inode+0x13d0/0x13d0 ] [ 64.394719][ T57] __writeback_inodes_wb+0xc3/0x250 [ 64.400522][ T57] wb_writeback+0x8db/0xd50 A start job is r[ 64.405057][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 64.412850][ T57] ? cpumask_next+0x3c/0x40 unning for Raise[ 64.417363][ T57] ? get_nr_dirty_inodes+0xd6/0x130 network interfa[ 64.423952][ T57] wb_workfn+0x9bc/0x1090 [ 64.429670][ T57] ? inode_wait_for_writeback+0x30/0x30 ces (47s / 5min [ 64.435230][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.442152][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 2s)[ 64.448443][ T57] process_one_work+0x965/0x1690 [ 64.454264][ T57] ? lock_release+0x800/0x800 [ 64.459211][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 64.466061][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 64.471008][ T57] worker_thread+0x96/0xe10 [ 64.475517][ T57] ? process_one_work+0x1690/0x1690 [ 64.480748][ T57] kthread+0x3b5/0x4a0 [ 64.484956][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.490694][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.496520][ T57] ret_from_fork+0x1f/0x30 [ *** ] A start job is running for Raise network interfaces (48s / 5min 2s) [ ***] A start job is running for Raise network interfaces (48s / 5min 2s) [ **] A start job is running for Raise network interfaces (49s / 5min 2s) [ *] A start job is running for Raise network interfaces (49s / 5min 2s) [ **] A start job is running for Raise network interfaces (50s / 5min 2s) [ ***] A start job is running for Raise network interfaces (50s / 5min 2s) [ *** ] A start job is running for Raise network interfaces (51s / 5min 2s) [ *** ] A start job is running for Raise network interfaces (51s / 5min 2s) [*** ] A start job is running for Raise network interfaces (52s / 5min 2s) [** ] A start job is running for Raise network interfaces (52s / 5min 2s)[ 69.527918][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 69.536973][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 69.543007][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 69.551241][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.562090][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 69.568050][ T57] Call Trace: [ 69.571345][ T57] dump_stack+0x18f/0x20d [ 69.575676][ T57] check_preemption_disabled+0x20d/0x220 [ 69.581291][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 69.586397][ T57] ? ext4_find_extent+0x81a/0xad0 [ 69.591423][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 69.596861][ T57] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 69.602564][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 69.607855][ T57] ? ext4_ext_release+0x10/0x10 [ 69.612873][ T57] ? down_write_killable+0x170/0x170 [ 69.618154][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 69.623795][ T57] ext4_map_blocks+0x4cb/0x1640 [ 69.628631][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 69.633822][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 69.639350][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 69.645308][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 69.650774][ T57] ext4_writepages+0x1a7b/0x33c0 [ 69.655738][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 69.661363][ T57] ? __lock_acquire+0x2224/0x48b0 [ 69.666398][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 69.672714][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 69.678674][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 69.684287][ T57] ? do_writepages+0xfa/0x2a0 [ 69.688959][ T57] do_writepages+0xfa/0x2a0 [ 69.693447][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 69.699067][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 69.704620][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 69.710581][ T57] ? lock_downgrade+0x840/0x840 [ 69.715417][ T57] __writeback_single_inode+0x12a/0x13d0 [ 69.721053][ T57] ? _raw_spin_unlock+0x24/0x40 [ 69.725921][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 69.733463][ T57] writeback_sb_inodes+0x515/0xdc0 [ 69.739001][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 69.745245][ T57] __writeback_inodes_wb+0xc3/0x250 [ 69.750443][ T57] wb_writeback+0x8db/0xd50 [ 69.754957][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 69.761273][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 69.767156][ T57] ? cpumask_next+0x3c/0x40 [ 69.773054][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 69.778239][ T57] wb_workfn+0xab3/0x1090 [ 69.782573][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 69.788113][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 69.793650][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 69.799617][ T57] process_one_work+0x965/0x1690 [ 69.804561][ T57] ? lock_release+0x800/0x800 [ 69.809359][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 69.814730][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 69.819886][ T57] worker_thread+0x96/0xe10 [ 69.819914][ T57] ? process_one_work+0x1690/0x1690 [ 69.829598][ T57] kthread+0x3b5/0x4a0 [ 69.833670][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 69.839550][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 69.846036][ T57] ret_from_fork+0x1f/0x30 [[ 69.853564][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 69.862862][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 69.868939][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 69.877258][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.887435][ T57] Workqueue: writeback wb_workfn (flush-8:0) * [ 69.893434][ T57] Call Trace: [ 69.898122][ T57] dump_stack+0x18f/0x20d ] [ 69.902877][ T57] check_preemption_disabled+0x20d/0x220 [ 69.908686][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 69.913806][ T57] ? ext4_find_extent+0x81a/0xad0 [ 69.918845][ T57] ? ext4_ext_search_right+0x2ca/0xb20 A start job is r[ 69.924321][ T57] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 69.931430][ T57] ext4_ext_map_blocks+0x201b/0x33e0 unning for Raise[ 69.936726][ T57] ? ext4_ext_release+0x10/0x10 [ 69.942967][ T57] ? down_write_killable+0x170/0x170 network interfa[ 69.948272][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 ces (53s / 5min [ 69.955112][ T57] ext4_map_blocks+0x4cb/0x1640 [ 69.961367][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 2s)[ 69.966595][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 69.972409][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 69.978397][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 69.983913][ T57] ext4_writepages+0x1a7b/0x33c0 [ 69.988851][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 69.994467][ T57] ? __lock_acquire+0x2224/0x48b0 [ 69.999481][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 70.005444][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 70.011408][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 70.017023][ T57] ? do_writepages+0xfa/0x2a0 [ 70.021693][ T57] do_writepages+0xfa/0x2a0 [ 70.026801][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 70.032437][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.037960][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 70.043920][ T57] ? lock_downgrade+0x840/0x840 [ 70.048757][ T57] __writeback_single_inode+0x12a/0x13d0 [ 70.054375][ T57] ? _raw_spin_unlock+0x24/0x40 [ 70.059216][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 70.065216][ T57] writeback_sb_inodes+0x515/0xdc0 [ 70.070337][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 70.076241][ T57] __writeback_inodes_wb+0xc3/0x250 [ 70.081498][ T57] wb_writeback+0x8db/0xd50 [ 70.086014][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 70.092898][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 70.098794][ T57] ? cpumask_next+0x3c/0x40 [ 70.103282][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 70.108470][ T57] wb_workfn+0xab3/0x1090 [ 70.112810][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 70.118625][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.124159][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 70.130141][ T57] process_one_work+0x965/0x1690 [ 70.135663][ T57] ? lock_release+0x800/0x800 [ 70.140348][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 70.145731][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 70.150884][ T57] worker_thread+0x96/0xe10 [ 70.155406][ T57] ? process_one_work+0x1690/0x1690 [ 70.160870][ T57] kthread+0x3b5/0x4a0 [ 70.165073][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 70.170795][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 70.176538][ T57] ret_from_fork+0x1f/0x30 [ 70.183752][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 70.192956][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 70.199007][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 70.207256][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.217357][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 70.223503][ T57] Call Trace: [ 70.226789][ T57] dump_stack+0x18f/0x20d [ 70.231225][ T57] check_preemption_disabled+0x20d/0x220 [ 70.236841][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 70.241954][ T57] ? ext4_find_extent+0x81a/0xad0 [ 70.246997][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 70.253325][ T57] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 70.259289][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 70.264559][ T57] ? ext4_ext_release+0x10/0x10 [ 70.269425][ T57] ? down_write_killable+0x170/0x170 [ 70.274691][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 70.280157][ T57] ext4_map_blocks+0x4cb/0x1640 [ 70.284992][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 70.290211][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.295760][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 70.301736][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 70.307179][ T57] ext4_writepages+0x1a7b/0x33c0 [ 70.312151][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 70.317803][ T57] ? __lock_acquire+0x2224/0x48b0 [ 70.317836][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 70.328827][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 70.334831][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 70.340484][ T57] ? do_writepages+0xfa/0x2a0 [ 70.345205][ T57] do_writepages+0xfa/0x2a0 [ 70.350067][ T57] ? page_writeback_cpu_online+0x10/0x10 [[ 70.355721][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.361337][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 70.367321][ T57] ? lock_downgrade+0x840/0x840 [ 70.372188][ T57] __writeback_single_inode+0x12a/0x13d0 [ 70.377911][ T57] ? _raw_spin_unlock+0x24/0x40 *[[ 70.382787][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 70.390144][ T57] writeback_sb_inodes+0x515/0xdc0 0;31m* ] [ 70.395272][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 70.402546][ T57] __writeback_inodes_wb+0xc3/0x250 [ 70.407754][ T57] wb_writeback+0x8db/0xd50 A start job is r[ 70.412267][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 70.419968][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 unning for Raise[ 70.425865][ T57] ? cpumask_next+0x3c/0x40 network interfa[ 70.431751][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 70.438362][ T57] wb_workfn+0xab3/0x1090 ces (53s / 5min [ 70.442710][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 70.449643][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 2s)[ 70.455189][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 70.461438][ T57] process_one_work+0x965/0x1690 [ 70.466382][ T57] ? lock_release+0x800/0x800 [ 70.471085][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 70.476448][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 70.481413][ T57] worker_thread+0x96/0xe10 [ 70.486283][ T57] ? process_one_work+0x1690/0x1690 [ 70.491473][ T57] kthread+0x3b5/0x4a0 [ 70.495525][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 70.501329][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 70.507036][ T57] ret_from_fork+0x1f/0x30 [ 70.512476][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 70.521631][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 70.527694][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 70.536549][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.547446][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 70.553422][ T57] Call Trace: [ 70.557308][ T57] dump_stack+0x18f/0x20d [ 70.562983][ T57] check_preemption_disabled+0x20d/0x220 [ 70.568700][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 70.573912][ T57] ? ext4_find_extent+0x81a/0xad0 [ 70.578963][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 70.584418][ T57] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 70.590128][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 70.595400][ T57] ? ext4_ext_release+0x10/0x10 [ 70.600268][ T57] ? down_write_killable+0x170/0x170 [ 70.605531][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 70.610976][ T57] ext4_map_blocks+0x4cb/0x1640 [ 70.618102][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 70.623284][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.628850][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 70.635516][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 70.640971][ T57] ext4_writepages+0x1a7b/0x33c0 [ 70.645918][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 70.651537][ T57] ? __lock_acquire+0x2224/0x48b0 [ 70.656553][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 70.663212][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 70.669276][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 70.674888][ T57] ? do_writepages+0xfa/0x2a0 [ 70.679877][ T57] do_writepages+0xfa/0x2a0 [ 70.684381][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 70.690057][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.695590][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 70.701581][ T57] ? lock_downgrade+0x840/0x840 [ 70.706418][ T57] __writeback_single_inode+0x12a/0x13d0 [ 70.712059][ T57] ? _raw_spin_unlock+0x24/0x40 [ 70.716932][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 70.722919][ T57] writeback_sb_inodes+0x515/0xdc0 [ 70.728754][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 70.735096][ T57] __writeback_inodes_wb+0xc3/0x250 [ 70.740536][ T57] wb_writeback+0x8db/0xd50 [ 70.745037][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 70.751708][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 70.757588][ T57] ? cpumask_next+0x3c/0x40 [ 70.762076][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 70.767273][ T57] wb_workfn+0xab3/0x1090 [ 70.771900][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 70.777509][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.783474][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 70.789466][ T57] process_one_work+0x965/0x1690 [ 70.794576][ T57] ? lock_release+0x800/0x800 [ 70.799256][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 70.804611][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 70.809549][ T57] worker_thread+0x96/0xe10 [ 70.814049][ T57] ? process_one_work+0x1690/0x1690 [ 70.819268][ T57] kthread+0x3b5/0x4a0 [ 70.819282][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 70.819301][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 70.835112][ T57] ret_from_fork+0x1f/0x30 [*** ] A start job is running for Raise network interfaces (54s / 5min 2s) [ *** ] A start job is running for Raise network interfaces (54s / 5min 2s) [ *** ] A start job is running for Raise network interfaces (55s / 5min 2s) [ ***] A start job is running for Raise network interfaces (55s / 5min 2s) [ **] A start job is running for Raise network interfaces (56s / 5min 2s) [ *] A start job is running for Raise network interfaces (56s / 5min 2s) [ **] A start job is running for Raise network interfaces (57s / 5min 2s) [ ***] A start job is running for Raise network interfaces (57s / 5min 2s) [ *** ] A start job is running for Raise network interfaces (58s / 5min 2s) [ *** ] A start job is running for Raise network interfaces (58s / 5min 2s) [*** ] A start job is running for Raise network interfaces (59s / 5min 2s) [** ] A start job is running for Raise network interfaces (59s / 5min 2s) [* ] A start job is running for Raise network interfaces (1min / 5min 2s) [** ] A start job is running for Raise network interfaces (1min / 5min 2s) [*** ] A start job is running for Raise ne…ork interfaces (1min 1s / 5min 2s) [ *** ] A start job is running for Raise ne…ork interfaces (1min 1s / 5min 2s) [ *** ] A start job is running for Raise ne…ork interfaces (1min 2s / 5min 2s) [ ***] A start job is running for Raise ne…ork interfaces (1min 2s / 5min 2s) [ **] A start job is running for Raise ne…ork interfaces (1min 3s / 5min 2s) [ *] A start job is running for Raise ne…ork interfaces (1min 3s / 5min 2s) [ **] A start job is running for Raise ne…ork interfaces (1min 4s / 5min 2s)[ 80.887900][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 80.896969][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 80.903577][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 80.912169][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.922241][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 80.928217][ T57] Call Trace: [ 80.931492][ T57] dump_stack+0x18f/0x20d [ 80.935804][ T57] check_preemption_disabled+0x20d/0x220 [ 80.941431][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 80.946530][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 80.951970][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 80.958135][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 80.963407][ T57] ? ext4_ext_release+0x10/0x10 [ 80.968250][ T57] ? down_write_killable+0x170/0x170 [ 80.973521][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 80.978974][ T57] ext4_map_blocks+0x4cb/0x1640 [ 80.983834][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 80.989037][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 80.994562][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 81.000522][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 81.005964][ T57] ext4_writepages+0x1a7b/0x33c0 [ 81.010903][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 81.016519][ T57] ? __lock_acquire+0x2224/0x48b0 [ 81.021537][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 81.027513][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 81.033498][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 81.039135][ T57] ? do_writepages+0xfa/0x2a0 [ 81.043816][ T57] do_writepages+0xfa/0x2a0 [ 81.048432][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 81.054058][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.059597][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 81.065565][ T57] ? lock_downgrade+0x840/0x840 [ 81.070415][ T57] __writeback_single_inode+0x12a/0x13d0 [ 81.076032][ T57] ? _raw_spin_unlock+0x24/0x40 [ 81.080861][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 81.086831][ T57] writeback_sb_inodes+0x515/0xdc0 [ 81.091931][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 81.097829][ T57] __writeback_inodes_wb+0xc3/0x250 [ 81.103022][ T57] wb_writeback+0x8db/0xd50 [ 81.107541][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 81.113863][ T57] ? cpumask_next+0x3c/0x40 [ 81.118345][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 81.123534][ T57] wb_workfn+0x9bc/0x1090 [ 81.127875][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 81.133424][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.138978][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 81.144961][ T57] process_one_work+0x965/0x1690 [ 81.149905][ T57] ? lock_release+0x800/0x800 [ 81.154661][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 81.160591][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 81.165547][ T57] worker_thread+0x96/0xe10 [ 81.170094][ T57] ? process_one_work+0x1690/0x1690 [ 81.175277][ T57] kthread+0x3b5/0x4a0 [ 81.179421][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 81.185130][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 81.190858][ T57] ret_from_fork+0x1f/0x30 [ 81.196489][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 81.205671][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 81.211727][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 81.219974][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.230045][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 81.236002][ T57] Call Trace: [ 81.239280][ T57] dump_stack+0x18f/0x20d [ 81.243615][ T57] check_preemption_disabled+0x20d/0x220 [ 81.249247][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 81.254351][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 81.259817][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 81.265954][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 81.271229][ T57] ? ext4_ext_release+0x10/0x10 [ 81.276092][ T57] ? down_write_killable+0x170/0x170 [ 81.281355][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 81.286817][ T57] ext4_map_blocks+0x4cb/0x1640 [ 81.291668][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 81.296865][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.302391][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 81.308364][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 81.313804][ T57] ext4_writepages+0x1a7b/0x33c0 [ 81.318746][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 81.324456][ T57] ? __lock_acquire+0x2224/0x48b0 [ 81.329471][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 81.335440][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 81.341402][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 81.347023][ T57] ? do_writepages+0xfa/0x2a0 [ 81.351828][ T57] do_writepages+0xfa/0x2a0 [ 81.356324][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 81.361979][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.367858][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 81.373849][ T57] ? lock_downgrade+0x840/0x840 [ 81.378692][ T57] __writeback_single_inode+0x12a/0x13d0 [ 81.384311][ T57] ? _raw_spin_unlock+0x24/0x40 [ 81.389154][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 81.395116][ T57] writeback_sb_inodes+0x515/0xdc0 [ 81.400214][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 81.406104][ T57] __writeback_inodes_wb+0xc3/0x250 [ 81.411287][ T57] wb_writeback+0x8db/0xd50 [ 81.415774][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 81.422618][ T57] ? cpumask_next+0x3c/0x40 [ 81.428249][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 81.433438][ T57] wb_workfn+0x9bc/0x1090 [ 81.437750][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 81.443279][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.448816][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 81.454793][ T57] process_one_work+0x965/0x1690 [ 81.459713][ T57] ? lock_release+0x800/0x800 [ 81.464367][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 81.469720][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 81.474650][ T57] worker_thread+0x96/0xe10 [ 81.479159][ T57] ? process_one_work+0x1690/0x1690 [ 81.484344][ T57] kthread+0x3b5/0x4a0 [ 81.488395][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 81.494131][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 81.499833][ T57] ret_from_fork+0x1f/0x30 [ *[ 81.507373][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 *[[ 81.516940][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 0;31m*] A st[ 81.524196][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 art job is runni[ 81.533755][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.545215][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 81.551197][ T57] Call Trace: ng for Raise neâ[ 81.554518][ T57] dump_stack+0x18f/0x20d [ 81.560217][ T57] check_preemption_disabled+0x20d/0x220 €¦ork interfaces[ 81.565868][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 81.572380][ T57] ? ext4_ext_search_right+0x2ca/0xb20 (1min 4s / 5min[ 81.577867][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 81.585434][ T57] ext4_ext_map_blocks+0x201b/0x33e0 2s)[ 81.590748][ T57] ? ext4_ext_release+0x10/0x10 [ 81.595965][ T57] ? down_write_killable+0x170/0x170 [ 81.601256][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 81.606708][ T57] ext4_map_blocks+0x4cb/0x1640 [ 81.611557][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 81.616744][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.622276][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 81.628236][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 81.633716][ T57] ext4_writepages+0x1a7b/0x33c0 [ 81.638655][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 81.644275][ T57] ? __lock_acquire+0x2224/0x48b0 [ 81.649561][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 81.655567][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 81.661543][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 81.667260][ T57] ? do_writepages+0xfa/0x2a0 [ 81.671926][ T57] do_writepages+0xfa/0x2a0 [ 81.676425][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 81.682042][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.687567][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 81.693526][ T57] ? lock_downgrade+0x840/0x840 [ 81.698374][ T57] __writeback_single_inode+0x12a/0x13d0 [ 81.703986][ T57] ? _raw_spin_unlock+0x24/0x40 [ 81.708822][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 81.714781][ T57] writeback_sb_inodes+0x515/0xdc0 [ 81.719880][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 81.725813][ T57] __writeback_inodes_wb+0xc3/0x250 [ 81.731025][ T57] wb_writeback+0x8db/0xd50 [ 81.735535][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 81.741966][ T57] ? cpumask_next+0x3c/0x40 [ 81.746480][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 81.751685][ T57] wb_workfn+0x9bc/0x1090 [ 81.756010][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 81.761563][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.767700][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 81.773677][ T57] process_one_work+0x965/0x1690 [ 81.778612][ T57] ? lock_release+0x800/0x800 [ 81.783687][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 81.789060][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 81.794021][ T57] worker_thread+0x96/0xe10 [ 81.798532][ T57] ? process_one_work+0x1690/0x1690 [ 81.803729][ T57] kthread+0x3b5/0x4a0 [ 81.807787][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 81.813492][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 81.819213][ T57] ret_from_fork+0x1f/0x30 [ *** ] A start job is running for Raise ne…ork interfaces (1min 5s / 5min 2s) [ *** ] A start job is running for Raise ne…ork interfaces (1min 6s / 5min 2s) [*** ] A start job is running for Raise ne…ork interfaces (1min 6s / 5min 2s) [ OK ] Started Raise network interfaces. [ OK ] Reached target Network. Starting Permit User Sessions... Starting OpenBSD Secure Shell server... [ OK ] Started Permit User Sessions. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty1. [ OK ] Started Getty on tty6. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty3. [ OK ] Reached target Login Prompts. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 96.967927][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 96.976986][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 96.983044][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 96.991280][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.001335][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 97.007295][ T57] Call Trace: [ 97.010574][ T57] dump_stack+0x18f/0x20d [ 97.014892][ T57] check_preemption_disabled+0x20d/0x220 [ 97.020529][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 97.025775][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 97.031229][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 97.037670][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 97.043008][ T57] ? ext4_ext_release+0x10/0x10 [ 97.047863][ T57] ? down_write_killable+0x170/0x170 [ 97.053142][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 97.058593][ T57] ext4_map_blocks+0x4cb/0x1640 [ 97.063444][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 97.068639][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.074176][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 97.080925][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 97.086376][ T57] ext4_writepages+0x1a7b/0x33c0 [ 97.091790][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 97.097436][ T57] ? __lock_acquire+0x2224/0x48b0 [ 97.102586][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 97.108553][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 97.114220][ T57] ? do_writepages+0xfa/0x2a0 [ 97.118899][ T57] do_writepages+0xfa/0x2a0 [ 97.123410][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 97.129057][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.135483][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 97.141486][ T57] ? lock_downgrade+0x840/0x840 [ 97.146763][ T57] __writeback_single_inode+0x12a/0x13d0 [ 97.152390][ T57] ? _raw_spin_unlock+0x24/0x40 [ 97.157240][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 97.163217][ T57] writeback_sb_inodes+0x515/0xdc0 [ 97.168318][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 97.174237][ T57] __writeback_inodes_wb+0xc3/0x250 [ 97.179445][ T57] wb_writeback+0x8db/0xd50 [ 97.183947][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 97.190368][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 97.196418][ T57] ? cpumask_next+0x3c/0x40 [ 97.200991][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 97.206194][ T57] wb_workfn+0xab3/0x1090 [ 97.210541][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 97.216080][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.221628][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 97.227598][ T57] process_one_work+0x965/0x1690 [ 97.232534][ T57] ? lock_release+0x800/0x800 [ 97.237189][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 97.242555][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 97.247489][ T57] worker_thread+0x96/0xe10 [ 97.252049][ T57] ? process_one_work+0x1690/0x1690 [ 97.257253][ T57] kthread+0x3b5/0x4a0 [ 97.261329][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 97.267051][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 97.272780][ T57] ret_from_fork+0x1f/0x30 [ 97.278260][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 97.287404][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 97.293469][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 97.302832][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.312904][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 97.318885][ T57] Call Trace: [ 97.322160][ T57] dump_stack+0x18f/0x20d [ 97.326472][ T57] check_preemption_disabled+0x20d/0x220 [ 97.332111][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 97.337240][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 97.342860][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 97.349003][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 97.354290][ T57] ? ext4_ext_release+0x10/0x10 [ 97.359144][ T57] ? down_write_killable+0x170/0x170 [ 97.364586][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 97.370137][ T57] ext4_map_blocks+0x4cb/0x1640 [ 97.374990][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 97.380188][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.385725][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 97.391934][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 97.397398][ T57] ext4_writepages+0x1a7b/0x33c0 [ 97.402457][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 97.408079][ T57] ? __lock_acquire+0x2224/0x48b0 [ 97.413149][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 97.419117][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 97.424809][ T57] ? do_writepages+0xfa/0x2a0 [ 97.429764][ T57] do_writepages+0xfa/0x2a0 [ 97.434270][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 97.439904][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.445439][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 97.451472][ T57] ? lock_downgrade+0x840/0x840 [ 97.456333][ T57] __writeback_single_inode+0x12a/0x13d0 [ 97.462103][ T57] ? _raw_spin_unlock+0x24/0x40 [ 97.467654][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 97.473635][ T57] writeback_sb_inodes+0x515/0xdc0 [ 97.478776][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 97.484676][ T57] __writeback_inodes_wb+0xc3/0x250 [ 97.489879][ T57] wb_writeback+0x8db/0xd50 [ 97.494377][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 97.500707][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 97.506587][ T57] ? cpumask_next+0x3c/0x40 [ 97.511083][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 97.516264][ T57] wb_workfn+0xab3/0x1090 [ 97.520583][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 97.526112][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.531648][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 97.537631][ T57] process_one_work+0x965/0x1690 [ 97.542557][ T57] ? lock_release+0x800/0x800 [ 97.547298][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 97.552653][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 97.557590][ T57] worker_thread+0x96/0xe10 [ 97.562152][ T57] ? process_one_work+0x1690/0x1690 [ 97.567350][ T57] kthread+0x3b5/0x4a0 [ 97.571428][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 97.580883][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 97.586613][ T57] ret_from_fork+0x1f/0x30 [ 97.592632][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 97.601793][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 97.608530][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 97.616847][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.626899][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 97.632859][ T57] Call Trace: [ 97.636138][ T57] dump_stack+0x18f/0x20d [ 97.640461][ T57] check_preemption_disabled+0x20d/0x220 [ 97.646090][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 97.651323][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 97.656778][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 97.662946][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 97.668406][ T57] ? ext4_ext_release+0x10/0x10 [ 97.673345][ T57] ? down_write_killable+0x170/0x170 [ 97.679066][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 97.684511][ T57] ext4_map_blocks+0x4cb/0x1640 [ 97.689369][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 97.694566][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.700092][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 97.706069][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 97.711509][ T57] ext4_writepages+0x1a7b/0x33c0 [ 97.716438][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 97.722793][ T57] ? __lock_acquire+0x2224/0x48b0 [ 97.727820][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 97.733812][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 97.739600][ T57] ? do_writepages+0xfa/0x2a0 [ 97.744354][ T57] do_writepages+0xfa/0x2a0 [ 97.748872][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 97.754488][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.760019][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 97.765985][ T57] ? lock_downgrade+0x840/0x840 [ 97.770832][ T57] __writeback_single_inode+0x12a/0x13d0 [ 97.776454][ T57] ? _raw_spin_unlock+0x24/0x40 [ 97.781721][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 97.787866][ T57] writeback_sb_inodes+0x515/0xdc0 [ 97.792965][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 97.798848][ T57] __writeback_inodes_wb+0xc3/0x250 [ 97.804048][ T57] wb_writeback+0x8db/0xd50 [ 97.808550][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 97.814861][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 97.820779][ T57] ? cpumask_next+0x3c/0x40 [ 97.825291][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 97.830480][ T57] wb_workfn+0xab3/0x1090 [ 97.835257][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 97.840799][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.846334][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 97.852305][ T57] process_one_work+0x965/0x1690 [ 97.858642][ T57] ? lock_release+0x800/0x800 [ 97.863298][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 97.868663][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 97.873759][ T57] worker_thread+0x96/0xe10 [ 97.878254][ T57] ? process_one_work+0x1690/0x1690 [ 97.883445][ T57] kthread+0x3b5/0x4a0 [ 97.887497][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 97.893193][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 97.898910][ T57] ret_from_fork+0x1f/0x30 [ 97.904132][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 97.913264][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 97.919298][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 97.927535][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.937596][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 97.943552][ T57] Call Trace: [ 97.947002][ T57] dump_stack+0x18f/0x20d [ 97.951331][ T57] check_preemption_disabled+0x20d/0x220 [ 97.956953][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 97.962072][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 97.967516][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 97.973650][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 97.978941][ T57] ? ext4_ext_release+0x10/0x10 [ 97.983783][ T57] ? down_write_killable+0x170/0x170 [ 97.989046][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 97.994572][ T57] ext4_map_blocks+0x4cb/0x1640 [ 97.999412][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 98.004594][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.010149][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 98.016107][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 98.021558][ T57] ext4_writepages+0x1a7b/0x33c0 [ 98.026488][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 98.032098][ T57] ? __lock_acquire+0x2224/0x48b0 [ 98.037400][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 98.043386][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 98.049001][ T57] ? do_writepages+0xfa/0x2a0 [ 98.053670][ T57] do_writepages+0xfa/0x2a0 [ 98.058174][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 98.063791][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.069338][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 98.075315][ T57] ? lock_downgrade+0x840/0x840 [ 98.080162][ T57] __writeback_single_inode+0x12a/0x13d0 [ 98.085835][ T57] ? _raw_spin_unlock+0x24/0x40 [ 98.090952][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 98.096922][ T57] writeback_sb_inodes+0x515/0xdc0 [ 98.102193][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 98.108234][ T57] __writeback_inodes_wb+0xc3/0x250 [ 98.113652][ T57] wb_writeback+0x8db/0xd50 [ 98.118152][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 98.124466][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 98.130362][ T57] ? cpumask_next+0x3c/0x40 [ 98.134847][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 98.140030][ T57] wb_workfn+0xab3/0x1090 [ 98.144780][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 98.150330][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.155870][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 98.161843][ T57] process_one_work+0x965/0x1690 [ 98.166770][ T57] ? lock_release+0x800/0x800 [ 98.171551][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 98.176952][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 98.181896][ T57] worker_thread+0x96/0xe10 [ 98.186401][ T57] ? process_one_work+0x1690/0x1690 [ 98.191954][ T57] kthread+0x3b5/0x4a0 [ 98.196024][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 98.201725][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 98.207429][ T57] ret_from_fork+0x1f/0x30 [ 98.213617][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 98.222776][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 98.228812][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 98.237170][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.247270][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 98.253234][ T57] Call Trace: [ 98.256510][ T57] dump_stack+0x18f/0x20d [ 98.260850][ T57] check_preemption_disabled+0x20d/0x220 [ 98.266473][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 98.271582][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 98.277027][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 98.283204][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 98.288474][ T57] ? ext4_ext_release+0x10/0x10 [ 98.293315][ T57] ? down_write_killable+0x170/0x170 [ 98.298595][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 98.304058][ T57] ext4_map_blocks+0x4cb/0x1640 [ 98.308921][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 98.314114][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.319646][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 98.325637][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 98.331095][ T57] ext4_writepages+0x1a7b/0x33c0 [ 98.336033][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 98.341659][ T57] ? __lock_acquire+0x2224/0x48b0 [ 98.346676][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 98.352654][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 98.358277][ T57] ? do_writepages+0xfa/0x2a0 [ 98.362933][ T57] do_writepages+0xfa/0x2a0 [ 98.367418][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 98.373056][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.378597][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 98.384570][ T57] ? lock_downgrade+0x840/0x840 [ 98.389405][ T57] __writeback_single_inode+0x12a/0x13d0 [ 98.395029][ T57] ? _raw_spin_unlock+0x24/0x40 [ 98.399876][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 98.405835][ T57] writeback_sb_inodes+0x515/0xdc0 [ 98.410961][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 98.416868][ T57] __writeback_inodes_wb+0xc3/0x250 [ 98.422074][ T57] wb_writeback+0x8db/0xd50 [ 98.426561][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 98.432874][ T57] ? cpumask_next+0x3c/0x40 [ 98.437474][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 98.442670][ T57] wb_workfn+0x9bc/0x1090 [ 98.447022][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 98.452560][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.458103][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 98.464073][ T57] process_one_work+0x965/0x1690 [ 98.469018][ T57] ? lock_release+0x800/0x800 [ 98.473685][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 98.479045][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 98.484694][ T57] worker_thread+0x96/0xe10 [ 98.489283][ T57] ? process_one_work+0x1690/0x1690 [ 98.494470][ T57] kthread+0x3b5/0x4a0 [ 98.498521][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 98.504220][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 98.509922][ T57] ret_from_fork+0x1f/0x30 [ 103.528025][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 103.537085][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 103.543113][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 103.551355][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.561402][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 103.567374][ T57] Call Trace: [ 103.570664][ T57] dump_stack+0x18f/0x20d [ 103.574976][ T57] check_preemption_disabled+0x20d/0x220 [ 103.580589][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 103.585684][ T57] ? ext4_find_extent+0x81a/0xad0 [ 103.590693][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 103.596129][ T57] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 103.601833][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 103.607117][ T57] ? ext4_ext_release+0x10/0x10 [ 103.611971][ T57] ? down_write_killable+0x170/0x170 [ 103.617234][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 103.622684][ T57] ext4_map_blocks+0x4cb/0x1640 [ 103.627518][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 103.632728][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.638377][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 103.644355][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 103.649826][ T57] ext4_writepages+0x1a7b/0x33c0 [ 103.654764][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 103.660384][ T57] ? __lock_acquire+0x2224/0x48b0 [ 103.665447][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 103.671439][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 103.677434][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 103.683112][ T57] ? do_writepages+0xfa/0x2a0 [ 103.687789][ T57] do_writepages+0xfa/0x2a0 [ 103.692320][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 103.697948][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.703483][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 103.709450][ T57] ? lock_downgrade+0x840/0x840 [ 103.714292][ T57] __writeback_single_inode+0x12a/0x13d0 [ 103.720885][ T57] ? _raw_spin_unlock+0x24/0x40 [ 103.725817][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 103.731904][ T57] writeback_sb_inodes+0x515/0xdc0 [ 103.737011][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 103.742901][ T57] __writeback_inodes_wb+0xc3/0x250 [ 103.748087][ T57] wb_writeback+0x8db/0xd50 [ 103.752592][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 103.758914][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 103.765890][ T57] ? cpumask_next+0x3c/0x40 [ 103.770383][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 103.775571][ T57] wb_workfn+0xab3/0x1090 [ 103.779889][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 103.785419][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.790989][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 103.797528][ T57] process_one_work+0x965/0x1690 [ 103.802498][ T57] ? lock_release+0x800/0x800 [ 103.807154][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 103.812666][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 103.818910][ T57] worker_thread+0x96/0xe10 [ 103.823436][ T57] ? process_one_work+0x1690/0x1690 [ 103.828616][ T57] kthread+0x3b5/0x4a0 [ 103.832668][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 103.838364][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 103.844075][ T57] ret_from_fork+0x1f/0x30 [ 103.849412][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 103.858542][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 103.864450][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 103.873110][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.883153][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 103.889117][ T57] Call Trace: [ 103.892457][ T57] dump_stack+0x18f/0x20d [ 103.896780][ T57] check_preemption_disabled+0x20d/0x220 [ 103.902484][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 103.907602][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 103.913041][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 103.919188][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 103.924512][ T57] ? ext4_ext_release+0x10/0x10 [ 103.929384][ T57] ? down_write_killable+0x170/0x170 [ 103.934999][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 103.940454][ T57] ext4_map_blocks+0x4cb/0x1640 [ 103.945289][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 103.950500][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.956023][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 103.961982][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 103.967454][ T57] ext4_writepages+0x1a7b/0x33c0 [ 103.972403][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 103.978125][ T57] ? __lock_acquire+0x2224/0x48b0 [ 103.983138][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 103.989104][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 103.995076][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 104.000705][ T57] ? do_writepages+0xfa/0x2a0 [ 104.005369][ T57] do_writepages+0xfa/0x2a0 [ 104.009869][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 104.015483][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.021008][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 104.026976][ T57] ? lock_downgrade+0x840/0x840 [ 104.031810][ T57] __writeback_single_inode+0x12a/0x13d0 [ 104.037420][ T57] ? _raw_spin_unlock+0x24/0x40 [ 104.042264][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 104.048233][ T57] writeback_sb_inodes+0x515/0xdc0 [ 104.053451][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 104.059343][ T57] __writeback_inodes_wb+0xc3/0x250 [ 104.064541][ T57] wb_writeback+0x8db/0xd50 [ 104.069035][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 104.075366][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 104.081249][ T57] ? cpumask_next+0x3c/0x40 [ 104.086438][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 104.091627][ T57] wb_workfn+0xab3/0x1090 [ 104.095941][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 104.101927][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.107461][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 104.113448][ T57] process_one_work+0x965/0x1690 [ 104.118395][ T57] ? lock_release+0x800/0x800 [ 104.123072][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 104.128445][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 104.133370][ T57] worker_thread+0x96/0xe10 [ 104.137876][ T57] ? process_one_work+0x1690/0x1690 [ 104.143075][ T57] kthread+0x3b5/0x4a0 [ 104.147131][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 104.152842][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 104.158561][ T57] ret_from_fork+0x1f/0x30 [ 104.165657][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 104.174818][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 104.180860][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 104.189111][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 104.199361][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 104.205326][ T57] Call Trace: [ 104.208646][ T57] dump_stack+0x18f/0x20d [ 104.212967][ T57] check_preemption_disabled+0x20d/0x220 [ 104.218581][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 104.223713][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 104.229169][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 104.235326][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 104.240606][ T57] ? ext4_ext_release+0x10/0x10 [ 104.245458][ T57] ? down_write_killable+0x170/0x170 [ 104.250723][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 104.256174][ T57] ext4_map_blocks+0x4cb/0x1640 [ 104.261099][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 104.266302][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.271850][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 104.277857][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 104.283311][ T57] ext4_writepages+0x1a7b/0x33c0 [ 104.288249][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 104.293880][ T57] ? __lock_acquire+0x2224/0x48b0 [ 104.298910][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 104.304879][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 104.310492][ T57] ? do_writepages+0xfa/0x2a0 [ 104.315149][ T57] do_writepages+0xfa/0x2a0 [ 104.319647][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 104.325273][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.330809][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 104.336767][ T57] ? lock_downgrade+0x840/0x840 [ 104.341602][ T57] __writeback_single_inode+0x12a/0x13d0 [ 104.347234][ T57] ? _raw_spin_unlock+0x24/0x40 [ 104.352084][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 104.358062][ T57] writeback_sb_inodes+0x515/0xdc0 [ 104.363269][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 104.369174][ T57] __writeback_inodes_wb+0xc3/0x250 [ 104.374471][ T57] wb_writeback+0x8db/0xd50 [ 104.378980][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 104.385293][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 104.391174][ T57] ? cpumask_next+0x3c/0x40 [ 104.395676][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 104.400863][ T57] wb_workfn+0xab3/0x1090 [ 104.405176][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 104.410726][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.416252][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 104.422218][ T57] process_one_work+0x965/0x1690 [ 104.427185][ T57] ? lock_release+0x800/0x800 [ 104.431855][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 104.437218][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 104.442146][ T57] worker_thread+0x96/0xe10 [ 104.446646][ T57] ? process_one_work+0x1690/0x1690 [ 104.451826][ T57] kthread+0x3b5/0x4a0 [ 104.455881][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 104.461592][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 104.467302][ T57] ret_from_fork+0x1f/0x30 [ 104.472805][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 104.481944][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 104.487968][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 104.496207][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 104.506270][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 104.512228][ T57] Call Trace: [ 104.515500][ T57] dump_stack+0x18f/0x20d [ 104.519815][ T57] check_preemption_disabled+0x20d/0x220 [ 104.525428][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 104.530543][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 104.535982][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 104.542116][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 104.547402][ T57] ? ext4_ext_release+0x10/0x10 [ 104.552382][ T57] ? down_write_killable+0x170/0x170 [ 104.557753][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 104.563206][ T57] ext4_map_blocks+0x4cb/0x1640 [ 104.568064][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 104.573266][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.578801][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 104.585107][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 104.590548][ T57] ext4_writepages+0x1a7b/0x33c0 [ 104.595476][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 104.601111][ T57] ? __lock_acquire+0x2224/0x48b0 [ 104.606226][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 104.612200][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 104.617823][ T57] ? do_writepages+0xfa/0x2a0 [ 104.622538][ T57] do_writepages+0xfa/0x2a0 [ 104.627064][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 104.632706][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.638253][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 104.644219][ T57] ? lock_downgrade+0x840/0x840 [ 104.649079][ T57] __writeback_single_inode+0x12a/0x13d0 [ 104.654739][ T57] ? _raw_spin_unlock+0x24/0x40 [ 104.659573][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 104.665558][ T57] writeback_sb_inodes+0x515/0xdc0 [ 104.670657][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 104.676561][ T57] __writeback_inodes_wb+0xc3/0x250 [ 104.681750][ T57] wb_writeback+0x8db/0xd50 [ 104.686257][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 104.692566][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 104.698450][ T57] ? cpumask_next+0x3c/0x40 [ 104.702932][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 104.709256][ T57] wb_workfn+0xab3/0x1090 [ 104.713584][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 104.719119][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.724687][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 104.730675][ T57] process_one_work+0x965/0x1690 [ 104.735628][ T57] ? lock_release+0x800/0x800 [ 104.741049][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 104.746449][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 104.751383][ T57] worker_thread+0x96/0xe10 [ 104.755887][ T57] ? process_one_work+0x1690/0x1690 [ 104.761064][ T57] kthread+0x3b5/0x4a0 [ 104.765111][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 104.770895][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 104.776956][ T57] ret_from_fork+0x1f/0x30 [ 114.887749][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 114.897113][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 114.903108][ T57] CPU: 1 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 114.911338][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 114.921405][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 114.927807][ T57] Call Trace: [ 114.932035][ T57] dump_stack+0x18f/0x20d [ 114.936361][ T57] check_preemption_disabled+0x20d/0x220 [ 114.941982][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 114.947093][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 114.952541][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 114.958675][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 114.963953][ T57] ? ext4_ext_release+0x10/0x10 [ 114.969933][ T57] ? down_write_killable+0x170/0x170 [ 114.975207][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 114.980929][ T57] ext4_map_blocks+0x4cb/0x1640 [ 114.985773][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 114.990964][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 114.997224][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 115.003193][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 115.008636][ T57] ext4_writepages+0x1a7b/0x33c0 [ 115.013583][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 115.019207][ T57] ? __lock_acquire+0x2224/0x48b0 [ 115.024575][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 115.030664][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 115.036658][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 115.042349][ T57] ? do_writepages+0xfa/0x2a0 [ 115.047126][ T57] do_writepages+0xfa/0x2a0 [ 115.051764][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 115.057853][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.063408][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 115.069369][ T57] ? lock_downgrade+0x840/0x840 [ 115.074205][ T57] __writeback_single_inode+0x12a/0x13d0 [ 115.080539][ T57] ? _raw_spin_unlock+0x24/0x40 [ 115.085639][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 115.091605][ T57] writeback_sb_inodes+0x515/0xdc0 [ 115.096748][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 115.102660][ T57] __writeback_inodes_wb+0xc3/0x250 [ 115.107864][ T57] wb_writeback+0x8db/0xd50 [ 115.112392][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 115.121573][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 115.127510][ T57] ? cpumask_next+0x3c/0x40 [ 115.132242][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 115.137541][ T57] wb_workfn+0xab3/0x1090 [ 115.141863][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 115.148954][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.154486][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 115.160488][ T57] process_one_work+0x965/0x1690 [ 115.165419][ T57] ? lock_release+0x800/0x800 [ 115.170098][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 115.175649][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 115.180720][ T57] worker_thread+0x96/0xe10 [ 115.185276][ T57] ? process_one_work+0x1690/0x1690 [ 115.190572][ T57] kthread+0x3b5/0x4a0 [ 115.194631][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 115.200350][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 115.206059][ T57] ret_from_fork+0x1f/0x30 [ 115.212087][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 115.221330][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 115.227246][ T57] CPU: 1 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 115.235485][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 115.245635][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 115.251599][ T57] Call Trace: [ 115.254911][ T57] dump_stack+0x18f/0x20d [ 115.259252][ T57] check_preemption_disabled+0x20d/0x220 [ 115.264867][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 115.269983][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 115.275454][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 115.281667][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 115.286992][ T57] ? ext4_ext_release+0x10/0x10 [ 115.291910][ T57] ? down_write_killable+0x170/0x170 [ 115.297188][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 115.302866][ T57] ext4_map_blocks+0x4cb/0x1640 [ 115.307842][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 115.313036][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.319106][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 115.325080][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 115.330541][ T57] ext4_writepages+0x1a7b/0x33c0 [ 115.335493][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 115.341129][ T57] ? __lock_acquire+0x2224/0x48b0 [ 115.346201][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 115.352201][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 115.357822][ T57] ? do_writepages+0xfa/0x2a0 [ 115.362481][ T57] do_writepages+0xfa/0x2a0 [ 115.367000][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 115.372881][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.378409][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 115.384559][ T57] ? lock_downgrade+0x840/0x840 [ 115.389395][ T57] __writeback_single_inode+0x12a/0x13d0 [ 115.395443][ T57] ? _raw_spin_unlock+0x24/0x40 [ 115.400295][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 115.406275][ T57] writeback_sb_inodes+0x515/0xdc0 [ 115.411549][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 115.417443][ T57] __writeback_inodes_wb+0xc3/0x250 [ 115.422728][ T57] wb_writeback+0x8db/0xd50 [ 115.427362][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 115.433686][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 115.439859][ T57] ? cpumask_next+0x3c/0x40 [ 115.444733][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 115.450038][ T57] wb_workfn+0xab3/0x1090 [ 115.454375][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 115.459963][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.465526][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 115.471496][ T57] process_one_work+0x965/0x1690 [ 115.476422][ T57] ? lock_release+0x800/0x800 [ 115.481105][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 115.486477][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 115.491401][ T57] worker_thread+0x96/0xe10 [ 115.495893][ T57] ? process_one_work+0x1690/0x1690 [ 115.501074][ T57] kthread+0x3b5/0x4a0 [ 115.505254][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 115.510984][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 115.516708][ T57] ret_from_fork+0x1f/0x30 [ 135.689202][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 135.698521][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 135.704429][ T57] CPU: 1 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 135.712664][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 135.722838][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 135.728955][ T57] Call Trace: [ 135.732260][ T57] dump_stack+0x18f/0x20d [ 135.736605][ T57] check_preemption_disabled+0x20d/0x220 [ 135.742335][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 135.747452][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 135.752895][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 135.759032][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 135.764758][ T57] ? ext4_ext_release+0x10/0x10 [ 135.769610][ T57] ? down_write_killable+0x170/0x170 [ 135.774884][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 135.780330][ T57] ext4_map_blocks+0x4cb/0x1640 [ 135.785165][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 135.790346][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 135.795880][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 135.801840][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 135.807278][ T57] ext4_writepages+0x1a7b/0x33c0 [ 135.812309][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 135.817957][ T57] ? __lock_acquire+0x2224/0x48b0 [ 135.822991][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 135.828972][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 135.835042][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 135.840755][ T57] ? do_writepages+0xfa/0x2a0 [ 135.845422][ T57] do_writepages+0xfa/0x2a0 [ 135.849911][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 135.855527][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 135.861166][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 135.867132][ T57] ? lock_downgrade+0x840/0x840 [ 135.871975][ T57] __writeback_single_inode+0x12a/0x13d0 [ 135.877598][ T57] ? _raw_spin_unlock+0x24/0x40 [ 135.882444][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 135.888405][ T57] writeback_sb_inodes+0x515/0xdc0 [ 135.893522][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 135.899413][ T57] __writeback_inodes_wb+0xc3/0x250 [ 135.904607][ T57] wb_writeback+0x8db/0xd50 [ 135.909103][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 135.915952][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 135.921838][ T57] ? cpumask_next+0x3c/0x40 [ 135.926333][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 135.931520][ T57] wb_workfn+0xab3/0x1090 [ 135.935845][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 135.941377][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 135.946908][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 135.954954][ T57] process_one_work+0x965/0x1690 [ 135.959890][ T57] ? lock_release+0x800/0x800 [ 135.964546][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 135.969908][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 135.974841][ T57] worker_thread+0x96/0xe10 [ 135.979351][ T57] ? process_one_work+0x1690/0x1690 [ 135.984539][ T57] kthread+0x3b5/0x4a0 [ 135.988602][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 135.994301][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 136.000013][ T57] ret_from_fork+0x1f/0x30 [ 136.020981][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 136.030163][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 136.036050][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 136.044710][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.054957][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 136.060936][ T57] Call Trace: [ 136.064226][ T57] dump_stack+0x18f/0x20d [ 136.068559][ T57] check_preemption_disabled+0x20d/0x220 [ 136.074173][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 136.079274][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 136.084776][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 136.090946][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 136.096225][ T57] ? ext4_ext_release+0x10/0x10 [ 136.101071][ T57] ? down_write_killable+0x170/0x170 [ 136.106336][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 136.111780][ T57] ext4_map_blocks+0x4cb/0x1640 [ 136.116724][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 136.121929][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 136.127476][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 136.133573][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 136.139023][ T57] ext4_writepages+0x1a7b/0x33c0 [ 136.144107][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 136.149747][ T57] ? __lock_acquire+0x2224/0x48b0 [ 136.154779][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 136.161809][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 136.167976][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 136.173789][ T57] ? do_writepages+0xfa/0x2a0 [ 136.179009][ T57] do_writepages+0xfa/0x2a0 [ 136.183653][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 136.189308][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 136.194861][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 136.200831][ T57] ? lock_downgrade+0x840/0x840 [ 136.205701][ T57] __writeback_single_inode+0x12a/0x13d0 [ 136.211341][ T57] ? _raw_spin_unlock+0x24/0x40 [ 136.216172][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 136.222417][ T57] writeback_sb_inodes+0x515/0xdc0 [ 136.227648][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 136.233560][ T57] __writeback_inodes_wb+0xc3/0x250 [ 136.238758][ T57] wb_writeback+0x8db/0xd50 [ 136.243248][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 136.249565][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 136.255441][ T57] ? cpumask_next+0x3c/0x40 [ 136.259947][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 136.265142][ T57] wb_workfn+0xab3/0x1090 [ 136.269458][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 136.275001][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 136.280528][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 136.286497][ T57] process_one_work+0x965/0x1690 [ 136.291447][ T57] ? lock_release+0x800/0x800 [ 136.296191][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 136.301545][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 136.306485][ T57] worker_thread+0x96/0xe10 [ 136.310991][ T57] ? process_one_work+0x1690/0x1690 [ 136.316169][ T57] kthread+0x3b5/0x4a0 [ 136.320218][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 136.325918][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 136.331625][ T57] ret_from_fork+0x1f/0x30 [ 146.407905][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 146.418118][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 146.424304][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 146.435025][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.446040][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 146.452207][ T57] Call Trace: [ 146.455893][ T57] dump_stack+0x18f/0x20d [ 146.460269][ T57] check_preemption_disabled+0x20d/0x220 [ 146.466244][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 146.471974][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 146.477902][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 146.484402][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 146.489957][ T57] ? ext4_ext_release+0x10/0x10 [ 146.494992][ T57] ? down_write_killable+0x170/0x170 [ 146.500610][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 146.506338][ T57] ext4_map_blocks+0x4cb/0x1640 [ 146.511529][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 146.516830][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 146.522385][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 146.529955][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 146.535443][ T57] ext4_writepages+0x1a7b/0x33c0 [ 146.541108][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 146.547651][ T57] ? __lock_acquire+0x2224/0x48b0 [ 146.552879][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 146.559193][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 146.565612][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 146.571368][ T57] ? do_writepages+0xfa/0x2a0 [ 146.576627][ T57] do_writepages+0xfa/0x2a0 [ 146.581418][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 146.587075][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 146.593011][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 146.599407][ T57] ? lock_downgrade+0x840/0x840 [ 146.604271][ T57] __writeback_single_inode+0x12a/0x13d0 [ 146.609951][ T57] ? _raw_spin_unlock+0x24/0x40 [ 146.614889][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 146.621169][ T57] writeback_sb_inodes+0x515/0xdc0 [ 146.628239][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 146.634344][ T57] __writeback_inodes_wb+0xc3/0x250 [ 146.640425][ T57] wb_writeback+0x8db/0xd50 [ 146.645603][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 146.652737][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 146.659695][ T57] ? cpumask_next+0x3c/0x40 [ 146.664872][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 146.671633][ T57] wb_workfn+0xab3/0x1090 [ 146.678639][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 146.685341][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 146.693850][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 146.700271][ T57] process_one_work+0x965/0x1690 [ 146.705394][ T57] ? lock_release+0x800/0x800 [ 146.711829][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 146.718746][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 146.724818][ T57] worker_thread+0x96/0xe10 [ 146.730657][ T57] ? process_one_work+0x1690/0x1690 [ 146.736538][ T57] kthread+0x3b5/0x4a0 [ 146.741312][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 146.747379][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 146.753426][ T57] ret_from_fork+0x1f/0x30 [ 166.888094][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 166.898115][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 166.904128][ T57] CPU: 1 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 166.912455][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.923163][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 166.929163][ T57] Call Trace: [ 166.932532][ T57] dump_stack+0x18f/0x20d [ 166.936851][ T57] check_preemption_disabled+0x20d/0x220 [ 166.942689][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 166.948084][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 166.954082][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 166.960266][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 166.965644][ T57] ? ext4_ext_release+0x10/0x10 [ 166.970534][ T57] ? down_write_killable+0x170/0x170 [ 166.977220][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 166.982694][ T57] ext4_map_blocks+0x4cb/0x1640 [ 166.991728][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 166.996944][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 167.002483][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 167.008542][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 167.014025][ T57] ext4_writepages+0x1a7b/0x33c0 [ 167.018984][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 167.024630][ T57] ? __lock_acquire+0x2224/0x48b0 [ 167.029650][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 167.035877][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 167.041513][ T57] ? do_writepages+0xfa/0x2a0 [ 167.046199][ T57] do_writepages+0xfa/0x2a0 [ 167.050697][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 167.056528][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 167.062076][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 167.068750][ T57] ? lock_downgrade+0x840/0x840 [ 167.073736][ T57] __writeback_single_inode+0x12a/0x13d0 [ 167.079379][ T57] ? _raw_spin_unlock+0x24/0x40 [ 167.084950][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 167.091130][ T57] writeback_sb_inodes+0x515/0xdc0 [ 167.096257][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 167.102178][ T57] __writeback_inodes_wb+0xc3/0x250 [ 167.107978][ T57] wb_writeback+0x8db/0xd50 [ 167.112480][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 167.119450][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 167.125362][ T57] ? cpumask_next+0x3c/0x40 [ 167.129991][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 167.135207][ T57] wb_workfn+0xab3/0x1090 [ 167.140146][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 167.145788][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 167.151328][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 167.157542][ T57] process_one_work+0x965/0x1690 [ 167.162620][ T57] ? lock_release+0x800/0x800 [ 167.167331][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 167.172727][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 167.177902][ T57] worker_thread+0x96/0xe10 [ 167.182418][ T57] ? process_one_work+0x1690/0x1690 [ 167.187816][ T57] kthread+0x3b5/0x4a0 [ 167.191869][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 167.198980][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 167.204698][ T57] ret_from_fork+0x1f/0x30 [ 167.211555][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 167.220902][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 167.226825][ T57] CPU: 1 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 167.235342][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.245499][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 167.251486][ T57] Call Trace: [ 167.254794][ T57] dump_stack+0x18f/0x20d [ 167.259676][ T57] check_preemption_disabled+0x20d/0x220 [ 167.265337][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 167.270446][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 167.275941][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 167.282099][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 167.287515][ T57] ? ext4_ext_release+0x10/0x10 [ 167.292402][ T57] ? down_write_killable+0x170/0x170 [ 167.297936][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 167.303511][ T57] ext4_map_blocks+0x4cb/0x1640 [ 167.308448][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 167.313719][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 167.319650][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 167.325715][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 167.331170][ T57] ext4_writepages+0x1a7b/0x33c0 [ 167.336162][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 167.342088][ T57] ? __lock_acquire+0x2224/0x48b0 [ 167.347130][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 167.353820][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 167.359441][ T57] ? do_writepages+0xfa/0x2a0 [ 167.364196][ T57] do_writepages+0xfa/0x2a0 [ 167.368707][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 167.374416][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 167.379951][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 167.386035][ T57] ? lock_downgrade+0x840/0x840 [ 167.390905][ T57] __writeback_single_inode+0x12a/0x13d0 [ 167.397506][ T57] ? _raw_spin_unlock+0x24/0x40 [ 167.402352][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 167.408337][ T57] writeback_sb_inodes+0x515/0xdc0 [ 167.413443][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 167.419354][ T57] __writeback_inodes_wb+0xc3/0x250 [ 167.425268][ T57] wb_writeback+0x8db/0xd50 [ 167.429792][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 167.436113][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 167.442523][ T57] ? cpumask_next+0x3c/0x40 [ 167.447052][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 167.452432][ T57] wb_workfn+0xab3/0x1090 [ 167.456774][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 167.464752][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 167.470544][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 167.476536][ T57] process_one_work+0x965/0x1690 [ 167.481488][ T57] ? lock_release+0x800/0x800 [ 167.487687][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 167.493052][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 167.498182][ T57] worker_thread+0x96/0xe10 [ 167.502738][ T57] ? process_one_work+0x1690/0x1690 [ 167.508033][ T57] kthread+0x3b5/0x4a0 [ 167.512495][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 167.518219][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 167.523990][ T57] ret_from_fork+0x1f/0x30 [ 177.607991][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 177.617314][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 177.623326][ T57] CPU: 1 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 177.631860][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.642532][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 177.649092][ T57] Call Trace: [ 177.652755][ T57] dump_stack+0x18f/0x20d [ 177.660835][ T57] check_preemption_disabled+0x20d/0x220 [ 177.666615][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 177.671915][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 177.677482][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 177.683633][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 177.688932][ T57] ? ext4_ext_release+0x10/0x10 [ 177.693842][ T57] ? down_write_killable+0x170/0x170 [ 177.699855][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 177.706301][ T57] ext4_map_blocks+0x4cb/0x1640 [ 177.711186][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 177.716930][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 177.722916][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 177.728932][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 177.734644][ T57] ext4_writepages+0x1a7b/0x33c0 [ 177.739683][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 177.746275][ T57] ? __lock_acquire+0x2224/0x48b0 [ 177.751308][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 177.757392][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 177.763014][ T57] ? do_writepages+0xfa/0x2a0 [ 177.771313][ T57] do_writepages+0xfa/0x2a0 [ 177.775978][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 177.781630][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 177.788091][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 177.794163][ T57] ? lock_downgrade+0x840/0x840 [ 177.799152][ T57] __writeback_single_inode+0x12a/0x13d0 [ 177.805712][ T57] ? _raw_spin_unlock+0x24/0x40 [ 177.810613][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 177.816996][ T57] writeback_sb_inodes+0x515/0xdc0 [ 177.822364][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 177.828512][ T57] __writeback_inodes_wb+0xc3/0x250 [ 177.833767][ T57] wb_writeback+0x8db/0xd50 [ 177.838515][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 177.844877][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 177.850808][ T57] ? cpumask_next+0x3c/0x40 [ 177.855546][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 177.860787][ T57] wb_workfn+0xab3/0x1090 [ 177.865721][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 177.871484][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 177.877065][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 177.883555][ T57] process_one_work+0x965/0x1690 [ 177.888878][ T57] ? lock_release+0x800/0x800 [ 177.893617][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 177.899022][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 177.904007][ T57] worker_thread+0x96/0xe10 [ 177.909068][ T57] ? process_one_work+0x1690/0x1690 [ 177.914432][ T57] kthread+0x3b5/0x4a0 [ 177.918547][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 177.924311][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 177.930039][ T57] ret_from_fork+0x1f/0x30 [ 198.088816][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 198.098283][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 198.104385][ T57] CPU: 1 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 198.113099][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 198.123189][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 198.129500][ T57] Call Trace: [ 198.132789][ T57] dump_stack+0x18f/0x20d [ 198.137375][ T57] check_preemption_disabled+0x20d/0x220 [ 198.143048][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 198.148173][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 198.154080][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 198.160280][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 198.165657][ T57] ? ext4_ext_release+0x10/0x10 [ 198.170601][ T57] ? down_write_killable+0x170/0x170 [ 198.175912][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 198.181713][ T57] ext4_map_blocks+0x4cb/0x1640 [ 198.188567][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 198.194662][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 198.200398][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 198.206430][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 198.212207][ T57] ext4_writepages+0x1a7b/0x33c0 [ 198.217392][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 198.223414][ T57] ? __lock_acquire+0x2224/0x48b0 [ 198.228537][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 198.234548][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 198.240546][ T57] ? do_writepages+0xfa/0x2a0 [ 198.246341][ T57] do_writepages+0xfa/0x2a0 [ 198.250968][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 198.257928][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 198.263573][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 198.270501][ T57] ? lock_downgrade+0x840/0x840 [ 198.275737][ T57] __writeback_single_inode+0x12a/0x13d0 [ 198.282528][ T57] ? _raw_spin_unlock+0x24/0x40 [ 198.287819][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 198.293784][ T57] writeback_sb_inodes+0x515/0xdc0 [ 198.298995][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 198.305172][ T57] __writeback_inodes_wb+0xc3/0x250 [ 198.310740][ T57] wb_writeback+0x8db/0xd50 [ 198.315886][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 198.322458][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 198.328987][ T57] ? cpumask_next+0x3c/0x40 [ 198.334327][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 198.339591][ T57] wb_workfn+0xab3/0x1090 [ 198.343934][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 198.350191][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 198.355991][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 198.362427][ T57] process_one_work+0x965/0x1690 [ 198.367367][ T57] ? lock_release+0x800/0x800 [ 198.372161][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 198.377666][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 198.383036][ T57] worker_thread+0x96/0xe10 [ 198.387640][ T57] ? process_one_work+0x1690/0x1690 [ 198.392940][ T57] kthread+0x3b5/0x4a0 [ 198.397009][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 198.402713][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 198.408974][ T57] ret_from_fork+0x1f/0x30 [ 198.415506][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 198.425710][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 198.431919][ T57] CPU: 1 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 198.442106][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 198.452478][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 198.459083][ T57] Call Trace: [ 198.462367][ T57] dump_stack+0x18f/0x20d [ 198.466697][ T57] check_preemption_disabled+0x20d/0x220 [ 198.472678][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 198.477806][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 198.483290][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 198.490060][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 198.495787][ T57] ? ext4_ext_release+0x10/0x10 [ 198.501256][ T57] ? down_write_killable+0x170/0x170 [ 198.506872][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 198.512412][ T57] ext4_map_blocks+0x4cb/0x1640 [ 198.517458][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 198.523289][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 198.529386][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 198.536777][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 198.542443][ T57] ext4_writepages+0x1a7b/0x33c0 [ 198.547674][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 198.553390][ T57] ? __lock_acquire+0x2224/0x48b0 [ 198.558426][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 198.564684][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 198.570571][ T57] ? do_writepages+0xfa/0x2a0 [ 198.575242][ T57] do_writepages+0xfa/0x2a0 [ 198.579748][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 198.585479][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 198.591029][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 198.597008][ T57] ? lock_downgrade+0x840/0x840 [ 198.601901][ T57] __writeback_single_inode+0x12a/0x13d0 [ 198.607895][ T57] ? _raw_spin_unlock+0x24/0x40 [ 198.614498][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 198.620470][ T57] writeback_sb_inodes+0x515/0xdc0 [ 198.625578][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 198.631474][ T57] __writeback_inodes_wb+0xc3/0x250 [ 198.636737][ T57] wb_writeback+0x8db/0xd50 [ 198.641241][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 198.647551][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 198.654032][ T57] ? cpumask_next+0x3c/0x40 [ 198.658587][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 198.664071][ T57] wb_workfn+0xab3/0x1090 [ 198.668502][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 198.674183][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 198.679752][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 198.685733][ T57] process_one_work+0x965/0x1690 [ 198.690687][ T57] ? lock_release+0x800/0x800 [ 198.695391][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 198.700920][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 198.707131][ T57] worker_thread+0x96/0xe10 [ 198.711763][ T57] ? process_one_work+0x1690/0x1690 [ 198.717107][ T57] kthread+0x3b5/0x4a0 [ 198.721357][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 198.727160][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 198.733027][ T57] ret_from_fork+0x1f/0x30 [ 208.807837][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 208.817643][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 208.823725][ T57] CPU: 1 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 208.835073][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 208.845144][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 208.851203][ T57] Call Trace: [ 208.854497][ T57] dump_stack+0x18f/0x20d [ 208.859011][ T57] check_preemption_disabled+0x20d/0x220 [ 208.864873][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 208.870101][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 208.875896][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 208.882245][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 208.887543][ T57] ? ext4_ext_release+0x10/0x10 [ 208.892565][ T57] ? down_write_killable+0x170/0x170 [ 208.897838][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 208.903412][ T57] ext4_map_blocks+0x4cb/0x1640 [ 208.908384][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 208.913707][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 208.919479][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 208.925466][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 208.930915][ T57] ext4_writepages+0x1a7b/0x33c0 [ 208.935847][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 208.941497][ T57] ? __lock_acquire+0x2224/0x48b0 [ 208.946523][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 208.952491][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 208.958118][ T57] ? do_writepages+0xfa/0x2a0 [ 208.962815][ T57] do_writepages+0xfa/0x2a0 [ 208.967775][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 208.973402][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 208.978939][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 208.985017][ T57] ? lock_downgrade+0x840/0x840 [ 208.989940][ T57] __writeback_single_inode+0x12a/0x13d0 [ 208.995558][ T57] ? _raw_spin_unlock+0x24/0x40 [ 209.000497][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 209.006485][ T57] writeback_sb_inodes+0x515/0xdc0 [ 209.011739][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 209.017678][ T57] __writeback_inodes_wb+0xc3/0x250 [ 209.023443][ T57] wb_writeback+0x8db/0xd50 [ 209.028415][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 209.034756][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 209.040900][ T57] ? cpumask_next+0x3c/0x40 [ 209.045606][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 209.051194][ T57] wb_workfn+0xab3/0x1090 [ 209.055547][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 209.061247][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 209.066935][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 209.073241][ T57] process_one_work+0x965/0x1690 [ 209.078309][ T57] ? lock_release+0x800/0x800 [ 209.083925][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 209.089644][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 209.095332][ T57] worker_thread+0x96/0xe10 [ 209.099856][ T57] ? process_one_work+0x1690/0x1690 [ 209.105131][ T57] kthread+0x3b5/0x4a0 [ 209.109294][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 209.117608][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 209.125774][ T57] ret_from_fork+0x1f/0x30 [ 229.287956][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 229.297173][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 229.303365][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 229.311605][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 229.321914][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 229.327878][ T57] Call Trace: [ 229.331155][ T57] dump_stack+0x18f/0x20d [ 229.335468][ T57] check_preemption_disabled+0x20d/0x220 [ 229.341091][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 229.346199][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 229.351816][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 229.358039][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 229.363332][ T57] ? ext4_ext_release+0x10/0x10 [ 229.368174][ T57] ? down_write_killable+0x170/0x170 [ 229.373446][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 229.379199][ T57] ext4_map_blocks+0x4cb/0x1640 [ 229.384055][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 229.389246][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 229.394784][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 229.400743][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 229.406193][ T57] ext4_writepages+0x1a7b/0x33c0 [ 229.416177][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 229.423106][ T57] ? __lock_acquire+0x2224/0x48b0 [ 229.428751][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 229.436176][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 229.442178][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 229.449109][ T57] ? do_writepages+0xfa/0x2a0 [ 229.453859][ T57] do_writepages+0xfa/0x2a0 [ 229.458367][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 229.464258][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 229.470018][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 229.476002][ T57] ? lock_downgrade+0x840/0x840 [ 229.480838][ T57] __writeback_single_inode+0x12a/0x13d0 [ 229.486474][ T57] ? _raw_spin_unlock+0x24/0x40 [ 229.491304][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 229.497270][ T57] writeback_sb_inodes+0x515/0xdc0 [ 229.502367][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 229.508271][ T57] __writeback_inodes_wb+0xc3/0x250 [ 229.513449][ T57] wb_writeback+0x8db/0xd50 [ 229.517977][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 229.524352][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 229.530253][ T57] ? cpumask_next+0x3c/0x40 [ 229.534759][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 229.540037][ T57] wb_workfn+0xab3/0x1090 [ 229.544357][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 229.549936][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 229.555473][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 229.561451][ T57] process_one_work+0x965/0x1690 [ 229.566470][ T57] ? lock_release+0x800/0x800 [ 229.571150][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 229.576507][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 229.581446][ T57] worker_thread+0x96/0xe10 [ 229.585936][ T57] ? process_one_work+0x1690/0x1690 [ 229.591285][ T57] kthread+0x3b5/0x4a0 [ 229.595367][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 229.601073][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 229.606779][ T57] ret_from_fork+0x1f/0x30 [ 229.612130][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 229.621464][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 229.627390][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 229.635634][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 229.645692][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 229.651671][ T57] Call Trace: [ 229.655212][ T57] dump_stack+0x18f/0x20d [ 229.659611][ T57] check_preemption_disabled+0x20d/0x220 [ 229.665355][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 229.670483][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 229.676188][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 229.682595][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 229.687865][ T57] ? ext4_ext_release+0x10/0x10 [ 229.692704][ T57] ? down_write_killable+0x170/0x170 [ 229.697985][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 229.703456][ T57] ext4_map_blocks+0x4cb/0x1640 [ 229.708311][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 229.713603][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 229.719150][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 229.725131][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 229.730590][ T57] ext4_writepages+0x1a7b/0x33c0 [ 229.735521][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 229.743828][ T57] ? __lock_acquire+0x2224/0x48b0 [ 229.748940][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 229.754901][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 229.760878][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 229.766488][ T57] ? do_writepages+0xfa/0x2a0 [ 229.771155][ T57] do_writepages+0xfa/0x2a0 [ 229.777057][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 229.782678][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 229.788222][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 229.794186][ T57] ? lock_downgrade+0x840/0x840 [ 229.801671][ T57] __writeback_single_inode+0x12a/0x13d0 [ 229.807306][ T57] ? _raw_spin_unlock+0x24/0x40 [ 229.812148][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 229.818196][ T57] writeback_sb_inodes+0x515/0xdc0 [ 229.823293][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 229.829191][ T57] __writeback_inodes_wb+0xc3/0x250 [ 229.834404][ T57] wb_writeback+0x8db/0xd50 [ 229.839442][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 229.845784][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 229.851675][ T57] ? cpumask_next+0x3c/0x40 [ 229.856171][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 229.861354][ T57] wb_workfn+0xab3/0x1090 [ 229.865668][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 229.871199][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 229.877359][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 229.883338][ T57] process_one_work+0x965/0x1690 [ 229.888271][ T57] ? lock_release+0x800/0x800 [ 229.892927][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 229.898381][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 229.903313][ T57] worker_thread+0x96/0xe10 [ 229.907812][ T57] ? process_one_work+0x1690/0x1690 [ 229.912994][ T57] kthread+0x3b5/0x4a0 [ 229.918018][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 229.923923][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 229.929726][ T57] ret_from_fork+0x1f/0x30 [ 240.008726][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 240.018739][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 240.024655][ T57] CPU: 1 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 240.032904][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.043085][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 240.049083][ T57] Call Trace: [ 240.052394][ T57] dump_stack+0x18f/0x20d [ 240.056758][ T57] check_preemption_disabled+0x20d/0x220 [ 240.062399][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 240.067525][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 240.073080][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 240.079242][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 240.084545][ T57] ? ext4_ext_release+0x10/0x10 [ 240.089420][ T57] ? down_write_killable+0x170/0x170 [ 240.094901][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 240.100345][ T57] ext4_map_blocks+0x4cb/0x1640 [ 240.105230][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 240.110460][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 240.116029][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 240.122151][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 240.127760][ T57] ext4_writepages+0x1a7b/0x33c0 [ 240.132850][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 240.138515][ T57] ? __lock_acquire+0x2224/0x48b0 [ 240.143567][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 240.149555][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 240.156607][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 240.162256][ T57] ? do_writepages+0xfa/0x2a0 [ 240.167015][ T57] do_writepages+0xfa/0x2a0 [ 240.171553][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 240.177204][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 240.182753][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 240.189028][ T57] ? lock_downgrade+0x840/0x840 [ 240.193885][ T57] __writeback_single_inode+0x12a/0x13d0 [ 240.199583][ T57] ? _raw_spin_unlock+0x24/0x40 [ 240.204422][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 240.210469][ T57] writeback_sb_inodes+0x515/0xdc0 [ 240.215608][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 240.221612][ T57] __writeback_inodes_wb+0xc3/0x250 [ 240.226822][ T57] wb_writeback+0x8db/0xd50 [ 240.231439][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 240.237749][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 240.243641][ T57] ? cpumask_next+0x3c/0x40 [ 240.248142][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 240.253351][ T57] wb_workfn+0xab3/0x1090 [ 240.257778][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 240.263324][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 240.268852][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 240.274839][ T57] process_one_work+0x965/0x1690 [ 240.279793][ T57] ? lock_release+0x800/0x800 [ 240.284450][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 240.289991][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 240.294920][ T57] worker_thread+0x96/0xe10 [ 240.299454][ T57] ? process_one_work+0x1690/0x1690 [ 240.304632][ T57] kthread+0x3b5/0x4a0 [ 240.308681][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 240.314396][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 240.320158][ T57] ret_from_fork+0x1f/0x30 [ 260.487941][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 260.497241][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 260.503404][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 260.511640][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.521707][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 260.527664][ T57] Call Trace: [ 260.530942][ T57] dump_stack+0x18f/0x20d [ 260.535270][ T57] check_preemption_disabled+0x20d/0x220 [ 260.540897][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 260.546016][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 260.551471][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 260.557621][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 260.562896][ T57] ? ext4_ext_release+0x10/0x10 [ 260.567738][ T57] ? down_write_killable+0x170/0x170 [ 260.573087][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 260.578555][ T57] ext4_map_blocks+0x4cb/0x1640 [ 260.583390][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 260.588574][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 260.594098][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 260.600076][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 260.605534][ T57] ext4_writepages+0x1a7b/0x33c0 [ 260.610479][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 260.616119][ T57] ? __lock_acquire+0x2224/0x48b0 [ 260.621138][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 260.627206][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 260.632847][ T57] ? do_writepages+0xfa/0x2a0 [ 260.637506][ T57] do_writepages+0xfa/0x2a0 [ 260.642009][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 260.647629][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 260.653169][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 260.659141][ T57] ? lock_downgrade+0x840/0x840 [ 260.663975][ T57] __writeback_single_inode+0x12a/0x13d0 [ 260.669598][ T57] ? _raw_spin_unlock+0x24/0x40 [ 260.674457][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 260.680437][ T57] writeback_sb_inodes+0x515/0xdc0 [ 260.685541][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 260.691426][ T57] __writeback_inodes_wb+0xc3/0x250 [ 260.696609][ T57] wb_writeback+0x8db/0xd50 [ 260.701108][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 260.707441][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 260.713342][ T57] ? cpumask_next+0x3c/0x40 [ 260.717830][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 260.723163][ T57] wb_workfn+0xab3/0x1090 [ 260.727497][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 260.733116][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 260.738777][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 260.744766][ T57] process_one_work+0x965/0x1690 [ 260.749702][ T57] ? lock_release+0x800/0x800 [ 260.754380][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 260.759780][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 260.764712][ T57] worker_thread+0x96/0xe10 [ 260.769204][ T57] ? process_one_work+0x1690/0x1690 [ 260.774385][ T57] kthread+0x3b5/0x4a0 [ 260.778454][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 260.784173][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 260.789990][ T57] ret_from_fork+0x1f/0x30 [ 260.795645][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 260.804824][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 260.810871][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 260.819203][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.829507][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 260.835528][ T57] Call Trace: [ 260.838813][ T57] dump_stack+0x18f/0x20d [ 260.843140][ T57] check_preemption_disabled+0x20d/0x220 [ 260.848760][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 260.853860][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 260.859442][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 260.865588][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 260.870992][ T57] ? ext4_ext_release+0x10/0x10 [ 260.875851][ T57] ? down_write_killable+0x170/0x170 [ 260.881674][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 260.887145][ T57] ext4_map_blocks+0x4cb/0x1640 [ 260.892211][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 260.897406][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 260.902965][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 260.909059][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 260.914527][ T57] ext4_writepages+0x1a7b/0x33c0 [ 260.919467][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 260.925084][ T57] ? __lock_acquire+0x2224/0x48b0 [ 260.930225][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 260.936230][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 260.941866][ T57] ? do_writepages+0xfa/0x2a0 [ 260.947346][ T57] do_writepages+0xfa/0x2a0 [ 260.951852][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 260.957500][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 260.963061][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 260.969040][ T57] ? lock_downgrade+0x840/0x840 [ 260.973877][ T57] __writeback_single_inode+0x12a/0x13d0 [ 260.979603][ T57] ? _raw_spin_unlock+0x24/0x40 [ 260.984726][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 260.990713][ T57] writeback_sb_inodes+0x515/0xdc0 [ 260.995868][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 261.001941][ T57] __writeback_inodes_wb+0xc3/0x250 [ 261.007147][ T57] wb_writeback+0x8db/0xd50 [ 261.011683][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 261.018015][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 261.023910][ T57] ? cpumask_next+0x3c/0x40 [ 261.028418][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 261.033621][ T57] wb_workfn+0xab3/0x1090 [ 261.037939][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 261.043510][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 261.049064][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 261.055056][ T57] process_one_work+0x965/0x1690 [ 261.059984][ T57] ? lock_release+0x800/0x800 [ 261.064673][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 261.070041][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 261.074979][ T57] worker_thread+0x96/0xe10 [ 261.079472][ T57] ? process_one_work+0x1690/0x1690 [ 261.084663][ T57] kthread+0x3b5/0x4a0 [ 261.088734][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 261.094443][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 261.100270][ T57] ret_from_fork+0x1f/0x30 [ 271.207855][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 271.217150][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 271.223183][ T57] CPU: 1 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 271.231430][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 271.243337][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 271.249485][ T57] Call Trace: [ 271.252859][ T57] dump_stack+0x18f/0x20d [ 271.257184][ T57] check_preemption_disabled+0x20d/0x220 [ 271.262986][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 271.268103][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 271.273581][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 271.279732][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 271.285015][ T57] ? ext4_ext_release+0x10/0x10 [ 271.289896][ T57] ? down_write_killable+0x170/0x170 [ 271.295307][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 271.300826][ T57] ext4_map_blocks+0x4cb/0x1640 [ 271.305680][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 271.310886][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 271.316424][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 271.322410][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 271.327857][ T57] ext4_writepages+0x1a7b/0x33c0 [ 271.332808][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 271.338420][ T57] ? __lock_acquire+0x2224/0x48b0 [ 271.343436][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 271.349498][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 271.355150][ T57] ? do_writepages+0xfa/0x2a0 [ 271.359828][ T57] do_writepages+0xfa/0x2a0 [ 271.364329][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 271.370017][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 271.375583][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 271.381553][ T57] ? lock_downgrade+0x840/0x840 [ 271.386388][ T57] __writeback_single_inode+0x12a/0x13d0 [ 271.392020][ T57] ? _raw_spin_unlock+0x24/0x40 [ 271.396850][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 271.402829][ T57] writeback_sb_inodes+0x515/0xdc0 [ 271.407944][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 271.413834][ T57] __writeback_inodes_wb+0xc3/0x250 [ 271.419017][ T57] wb_writeback+0x8db/0xd50 [ 271.423529][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 271.429859][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 271.435766][ T57] ? cpumask_next+0x3c/0x40 [ 271.440258][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 271.445445][ T57] wb_workfn+0xab3/0x1090 [ 271.449769][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 271.455324][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 271.461093][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 271.467073][ T57] process_one_work+0x965/0x1690 [ 271.472015][ T57] ? lock_release+0x800/0x800 [ 271.476689][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 271.482051][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 271.487342][ T57] worker_thread+0x96/0xe10 [ 271.491841][ T57] ? process_one_work+0x1690/0x1690 [ 271.497164][ T57] kthread+0x3b5/0x4a0 [ 271.501359][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 271.507218][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 271.513137][ T57] ret_from_fork+0x1f/0x30 [ 291.688075][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 291.697744][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 291.703636][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 291.711852][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 291.721900][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 291.727874][ T57] Call Trace: [ 291.731170][ T57] dump_stack+0x18f/0x20d [ 291.735509][ T57] check_preemption_disabled+0x20d/0x220 [ 291.741135][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 291.746239][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 291.751700][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 291.757834][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 291.763116][ T57] ? ext4_ext_release+0x10/0x10 [ 291.767965][ T57] ? down_write_killable+0x170/0x170 [ 291.773246][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 291.778750][ T57] ext4_map_blocks+0x4cb/0x1640 [ 291.784132][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 291.789665][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 291.795205][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 291.801181][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 291.806651][ T57] ext4_writepages+0x1a7b/0x33c0 [ 291.812318][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 291.817973][ T57] ? __lock_acquire+0x2224/0x48b0 [ 291.823221][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 291.829204][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 291.834830][ T57] ? do_writepages+0xfa/0x2a0 [ 291.840305][ T57] do_writepages+0xfa/0x2a0 [ 291.844838][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 291.850479][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 291.856011][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 291.861992][ T57] ? lock_downgrade+0x840/0x840 [ 291.866870][ T57] __writeback_single_inode+0x12a/0x13d0 [ 291.872540][ T57] ? _raw_spin_unlock+0x24/0x40 [ 291.877467][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 291.883464][ T57] writeback_sb_inodes+0x515/0xdc0 [ 291.888601][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 291.894771][ T57] __writeback_inodes_wb+0xc3/0x250 [ 291.900084][ T57] wb_writeback+0x8db/0xd50 [ 291.904580][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 291.910899][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 291.916777][ T57] ? cpumask_next+0x3c/0x40 [ 291.921695][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 291.926905][ T57] wb_workfn+0xab3/0x1090 [ 291.931278][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 291.936882][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 291.942419][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 291.948419][ T57] process_one_work+0x965/0x1690 [ 291.953372][ T57] ? lock_release+0x800/0x800 [ 291.958038][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 291.963476][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 291.968449][ T57] worker_thread+0x96/0xe10 [ 291.972951][ T57] ? process_one_work+0x1690/0x1690 [ 291.978135][ T57] kthread+0x3b5/0x4a0 [ 291.982762][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 291.988491][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 291.994465][ T57] ret_from_fork+0x1f/0x30 [ 292.015740][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 292.025065][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 292.031043][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 292.039377][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 292.049452][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 292.055499][ T57] Call Trace: [ 292.058884][ T57] dump_stack+0x18f/0x20d [ 292.063240][ T57] check_preemption_disabled+0x20d/0x220 [ 292.068885][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 292.074131][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 292.079625][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 292.085796][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 292.091101][ T57] ? ext4_ext_release+0x10/0x10 [ 292.095956][ T57] ? down_write_killable+0x170/0x170 [ 292.101224][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 292.106682][ T57] ext4_map_blocks+0x4cb/0x1640 [ 292.112040][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 292.117223][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 292.122874][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 292.128888][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 292.134362][ T57] ext4_writepages+0x1a7b/0x33c0 [ 292.139356][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 292.145063][ T57] ? __lock_acquire+0x2224/0x48b0 [ 292.150107][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 292.156177][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 292.161824][ T57] ? do_writepages+0xfa/0x2a0 [ 292.166508][ T57] do_writepages+0xfa/0x2a0 [ 292.171008][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 292.176648][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 292.182198][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 292.188159][ T57] ? lock_downgrade+0x840/0x840 [ 292.193002][ T57] __writeback_single_inode+0x12a/0x13d0 [ 292.198707][ T57] ? _raw_spin_unlock+0x24/0x40 [ 292.203536][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 292.209498][ T57] writeback_sb_inodes+0x515/0xdc0 [ 292.214621][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 292.220547][ T57] __writeback_inodes_wb+0xc3/0x250 [ 292.225745][ T57] wb_writeback+0x8db/0xd50 [ 292.230278][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 292.236675][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 292.242591][ T57] ? cpumask_next+0x3c/0x40 [ 292.247084][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 292.252317][ T57] wb_workfn+0xab3/0x1090 [ 292.256658][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 292.262196][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 292.267724][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 292.275170][ T57] process_one_work+0x965/0x1690 [ 292.280320][ T57] ? lock_release+0x800/0x800 [ 292.285980][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 292.291352][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 292.296683][ T57] worker_thread+0x96/0xe10 [ 292.301232][ T57] ? process_one_work+0x1690/0x1690 [ 292.306424][ T57] kthread+0x3b5/0x4a0 [ 292.310520][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 292.319810][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 292.325702][ T57] ret_from_fork+0x1f/0x30 [ 302.408013][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 302.417295][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 302.423465][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 302.431713][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 302.441800][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 302.448108][ T57] Call Trace: [ 302.451387][ T57] dump_stack+0x18f/0x20d [ 302.455702][ T57] check_preemption_disabled+0x20d/0x220 [ 302.461361][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 302.466483][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 302.471931][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 302.478078][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 302.483360][ T57] ? ext4_ext_release+0x10/0x10 [ 302.488290][ T57] ? down_write_killable+0x170/0x170 [ 302.493560][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 302.499088][ T57] ext4_map_blocks+0x4cb/0x1640 [ 302.504106][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 302.509314][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 302.514938][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 302.521008][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 302.526456][ T57] ext4_writepages+0x1a7b/0x33c0 [ 302.531399][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 302.537019][ T57] ? __lock_acquire+0x2224/0x48b0 [ 302.542050][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 302.548023][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 302.553633][ T57] ? do_writepages+0xfa/0x2a0 [ 302.558374][ T57] do_writepages+0xfa/0x2a0 [ 302.562870][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 302.568485][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 302.574007][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 302.579962][ T57] ? lock_downgrade+0x840/0x840 [ 302.584801][ T57] __writeback_single_inode+0x12a/0x13d0 [ 302.591021][ T57] ? _raw_spin_unlock+0x24/0x40 [ 302.595953][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 302.601912][ T57] writeback_sb_inodes+0x515/0xdc0 [ 302.607388][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 302.613309][ T57] __writeback_inodes_wb+0xc3/0x250 [ 302.618691][ T57] wb_writeback+0x8db/0xd50 [ 302.623304][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 302.629637][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 302.635527][ T57] ? cpumask_next+0x3c/0x40 [ 302.640038][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 302.645222][ T57] wb_workfn+0xab3/0x1090 [ 302.649574][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 302.655113][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 302.660645][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 302.666611][ T57] process_one_work+0x965/0x1690 [ 302.671534][ T57] ? lock_release+0x800/0x800 [ 302.676194][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 302.681574][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 302.686518][ T57] worker_thread+0x96/0xe10 [ 302.691035][ T57] ? process_one_work+0x1690/0x1690 [ 302.696258][ T57] kthread+0x3b5/0x4a0 [ 302.701020][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 302.706727][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 302.713823][ T57] ret_from_fork+0x1f/0x30 [ 322.888059][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 322.897360][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 322.903434][ T57] CPU: 1 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 322.911780][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 322.921846][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 322.927802][ T57] Call Trace: [ 322.931080][ T57] dump_stack+0x18f/0x20d [ 322.935410][ T57] check_preemption_disabled+0x20d/0x220 [ 322.941023][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 322.946148][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 322.951589][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 322.957726][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 322.963007][ T57] ? ext4_ext_release+0x10/0x10 [ 322.967848][ T57] ? down_write_killable+0x170/0x170 [ 322.973122][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 322.978578][ T57] ext4_map_blocks+0x4cb/0x1640 [ 322.983409][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 322.988592][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 322.994121][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 323.000094][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 323.005620][ T57] ext4_writepages+0x1a7b/0x33c0 [ 323.010563][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 323.016173][ T57] ? __lock_acquire+0x2224/0x48b0 [ 323.021195][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 323.027155][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 323.033121][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 323.039173][ T57] ? do_writepages+0xfa/0x2a0 [ 323.043842][ T57] do_writepages+0xfa/0x2a0 [ 323.048397][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 323.054088][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 323.059748][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 323.065736][ T57] ? lock_downgrade+0x840/0x840 [ 323.070600][ T57] __writeback_single_inode+0x12a/0x13d0 [ 323.076677][ T57] ? _raw_spin_unlock+0x24/0x40 [ 323.081536][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 323.087537][ T57] writeback_sb_inodes+0x515/0xdc0 [ 323.092706][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 323.098618][ T57] __writeback_inodes_wb+0xc3/0x250 [ 323.103805][ T57] wb_writeback+0x8db/0xd50 [ 323.108421][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 323.114871][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 323.120916][ T57] ? cpumask_next+0x3c/0x40 [ 323.125418][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 323.130700][ T57] wb_workfn+0xab3/0x1090 [ 323.135023][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 323.140585][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 323.146126][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 323.152107][ T57] process_one_work+0x965/0x1690 [ 323.157037][ T57] ? lock_release+0x800/0x800 [ 323.161779][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 323.167133][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 323.172069][ T57] worker_thread+0x96/0xe10 [ 323.176576][ T57] ? process_one_work+0x1690/0x1690 [ 323.181769][ T57] kthread+0x3b5/0x4a0 [ 323.185840][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 323.191686][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 323.197408][ T57] ret_from_fork+0x1f/0x30 [ 323.204142][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 323.213477][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 323.219517][ T57] CPU: 1 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 323.227759][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 323.237987][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 323.243963][ T57] Call Trace: [ 323.247239][ T57] dump_stack+0x18f/0x20d [ 323.251572][ T57] check_preemption_disabled+0x20d/0x220 [ 323.257278][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 323.262380][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 323.267837][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 323.273971][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 323.279312][ T57] ? ext4_ext_release+0x10/0x10 [ 323.284284][ T57] ? down_write_killable+0x170/0x170 [ 323.289566][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 323.295017][ T57] ext4_map_blocks+0x4cb/0x1640 [ 323.299857][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 323.305048][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 323.310579][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 323.316576][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 323.322029][ T57] ext4_writepages+0x1a7b/0x33c0 [ 323.326967][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 323.332590][ T57] ? __lock_acquire+0x2224/0x48b0 [ 323.337623][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 323.343616][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 323.350375][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 323.356001][ T57] ? do_writepages+0xfa/0x2a0 [ 323.360664][ T57] do_writepages+0xfa/0x2a0 [ 323.365151][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 323.370874][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 323.376571][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 323.382538][ T57] ? lock_downgrade+0x840/0x840 [ 323.387381][ T57] __writeback_single_inode+0x12a/0x13d0 [ 323.393008][ T57] ? _raw_spin_unlock+0x24/0x40 [ 323.397854][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 323.403814][ T57] writeback_sb_inodes+0x515/0xdc0 [ 323.409010][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 323.414918][ T57] __writeback_inodes_wb+0xc3/0x250 [ 323.420278][ T57] wb_writeback+0x8db/0xd50 [ 323.424778][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 323.431089][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 323.436964][ T57] ? cpumask_next+0x3c/0x40 [ 323.441445][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 323.446712][ T57] wb_workfn+0xab3/0x1090 [ 323.451023][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 323.456551][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 323.462078][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 323.468040][ T57] process_one_work+0x965/0x1690 [ 323.473361][ T57] ? lock_release+0x800/0x800 [ 323.478034][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 323.483549][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 323.488502][ T57] worker_thread+0x96/0xe10 [ 323.493523][ T57] ? process_one_work+0x1690/0x1690 [ 323.498711][ T57] kthread+0x3b5/0x4a0 [ 323.502772][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 323.508473][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 323.514194][ T57] ret_from_fork+0x1f/0x30 [ 333.607911][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 333.617138][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 333.623205][ T57] CPU: 0 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 333.631446][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 333.641500][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 333.647465][ T57] Call Trace: [ 333.650757][ T57] dump_stack+0x18f/0x20d [ 333.655078][ T57] check_preemption_disabled+0x20d/0x220 [ 333.660711][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 333.665897][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 333.671347][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 333.677496][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 333.682774][ T57] ? ext4_ext_release+0x10/0x10 [ 333.687618][ T57] ? down_write_killable+0x170/0x170 [ 333.693074][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 333.698515][ T57] ext4_map_blocks+0x4cb/0x1640 [ 333.703353][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 333.708538][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 333.714060][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 333.720020][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 333.725467][ T57] ext4_writepages+0x1a7b/0x33c0 [ 333.730431][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 333.736062][ T57] ? __lock_acquire+0x2224/0x48b0 [ 333.741097][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 333.747596][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 333.753962][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 333.759610][ T57] ? do_writepages+0xfa/0x2a0 [ 333.764284][ T57] do_writepages+0xfa/0x2a0 [ 333.768790][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 333.774419][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 333.779970][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 333.786109][ T57] ? lock_downgrade+0x840/0x840 [ 333.790948][ T57] __writeback_single_inode+0x12a/0x13d0 [ 333.796574][ T57] ? _raw_spin_unlock+0x24/0x40 [ 333.801409][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 333.807892][ T57] writeback_sb_inodes+0x515/0xdc0 [ 333.813017][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 333.818917][ T57] __writeback_inodes_wb+0xc3/0x250 [ 333.824102][ T57] wb_writeback+0x8db/0xd50 [ 333.828690][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 333.835491][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 333.841397][ T57] ? cpumask_next+0x3c/0x40 [ 333.846182][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 333.851398][ T57] wb_workfn+0xab3/0x1090 [ 333.856604][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 333.862144][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 333.867690][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 333.873746][ T57] process_one_work+0x965/0x1690 [ 333.878690][ T57] ? lock_release+0x800/0x800 [ 333.883376][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 333.888730][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 333.893671][ T57] worker_thread+0x96/0xe10 [ 333.898337][ T57] ? process_one_work+0x1690/0x1690 [ 333.903529][ T57] kthread+0x3b5/0x4a0 [ 333.907584][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 333.913278][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 333.918980][ T57] ret_from_fork+0x1f/0x30 [ 354.088054][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 354.097329][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 354.103366][ T57] CPU: 1 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 354.111631][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 354.121700][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 354.127659][ T57] Call Trace: [ 354.130935][ T57] dump_stack+0x18f/0x20d [ 354.135260][ T57] check_preemption_disabled+0x20d/0x220 [ 354.140882][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 354.145981][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 354.151441][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 354.157596][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 354.162907][ T57] ? ext4_ext_release+0x10/0x10 [ 354.167883][ T57] ? down_write_killable+0x170/0x170 [ 354.173161][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 354.178628][ T57] ext4_map_blocks+0x4cb/0x1640 [ 354.183469][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 354.188670][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 354.194212][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 354.200310][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 354.205777][ T57] ext4_writepages+0x1a7b/0x33c0 [ 354.210754][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 354.216417][ T57] ? __lock_acquire+0x2224/0x48b0 [ 354.221455][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 354.227503][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 354.233146][ T57] ? do_writepages+0xfa/0x2a0 [ 354.237954][ T57] do_writepages+0xfa/0x2a0 [ 354.242462][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 354.248093][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 354.253663][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 354.261437][ T57] ? lock_downgrade+0x840/0x840 [ 354.266284][ T57] __writeback_single_inode+0x12a/0x13d0 [ 354.272078][ T57] ? _raw_spin_unlock+0x24/0x40 [ 354.276910][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 354.283048][ T57] writeback_sb_inodes+0x515/0xdc0 [ 354.288147][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 354.294047][ T57] __writeback_inodes_wb+0xc3/0x250 [ 354.299249][ T57] wb_writeback+0x8db/0xd50 [ 354.303789][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 354.310465][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 354.316377][ T57] ? cpumask_next+0x3c/0x40 [ 354.321596][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 354.326788][ T57] wb_workfn+0xab3/0x1090 [ 354.331106][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 354.336638][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 354.342179][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 354.348420][ T57] process_one_work+0x965/0x1690 [ 354.353357][ T57] ? lock_release+0x800/0x800 [ 354.358021][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 354.363405][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 354.368341][ T57] worker_thread+0x96/0xe10 [ 354.372832][ T57] ? process_one_work+0x1690/0x1690 [ 354.378014][ T57] kthread+0x3b5/0x4a0 [ 354.382056][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 354.387763][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 354.393462][ T57] ret_from_fork+0x1f/0x30 [ 354.400180][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 354.409353][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 354.415258][ T57] CPU: 1 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 354.423483][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 354.433529][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 354.439490][ T57] Call Trace: [ 354.442775][ T57] dump_stack+0x18f/0x20d [ 354.447093][ T57] check_preemption_disabled+0x20d/0x220 [ 354.452721][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 354.457820][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 354.463269][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 354.469401][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 354.474670][ T57] ? ext4_ext_release+0x10/0x10 [ 354.479512][ T57] ? down_write_killable+0x170/0x170 [ 354.484783][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 354.490236][ T57] ext4_map_blocks+0x4cb/0x1640 [ 354.495067][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 354.501812][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 354.507344][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 354.513302][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 354.518745][ T57] ext4_writepages+0x1a7b/0x33c0 [ 354.523673][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 354.529295][ T57] ? __lock_acquire+0x2224/0x48b0 [ 354.534328][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 354.540448][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 354.546182][ T57] ? do_writepages+0xfa/0x2a0 [ 354.550848][ T57] do_writepages+0xfa/0x2a0 [ 354.555350][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 354.561029][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 354.566694][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 354.572662][ T57] ? lock_downgrade+0x840/0x840 [ 354.577506][ T57] __writeback_single_inode+0x12a/0x13d0 [ 354.583149][ T57] ? _raw_spin_unlock+0x24/0x40 [ 354.587987][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 354.593956][ T57] writeback_sb_inodes+0x515/0xdc0 [ 354.599074][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 354.604974][ T57] __writeback_inodes_wb+0xc3/0x250 [ 354.610163][ T57] wb_writeback+0x8db/0xd50 [ 354.614650][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 354.620960][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 354.626862][ T57] ? cpumask_next+0x3c/0x40 [ 354.631346][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 354.636540][ T57] wb_workfn+0xab3/0x1090 [ 354.640863][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 354.646459][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 354.652010][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 354.658157][ T57] process_one_work+0x965/0x1690 [ 354.663105][ T57] ? lock_release+0x800/0x800 [ 354.667780][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 354.673139][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 354.678080][ T57] worker_thread+0x96/0xe10 [ 354.682585][ T57] ? process_one_work+0x1690/0x1690 [ 354.687777][ T57] kthread+0x3b5/0x4a0 [ 354.691977][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 354.697695][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 354.703423][ T57] ret_from_fork+0x1f/0x30 [ 364.807833][ T57] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/57 [ 364.817022][ T57] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 364.823040][ T57] CPU: 1 PID: 57 Comm: kworker/u4:2 Not tainted 5.8.0-rc1-syzkaller #0 [ 364.831305][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 364.841352][ T57] Workqueue: writeback wb_workfn (flush-8:0) [ 364.847322][ T57] Call Trace: [ 364.850600][ T57] dump_stack+0x18f/0x20d [ 364.854946][ T57] check_preemption_disabled+0x20d/0x220 [ 364.860573][ T57] ext4_mb_new_blocks+0xa4d/0x3b70 [ 364.865675][ T57] ? ext4_ext_search_right+0x2ca/0xb20 [ 364.871116][ T57] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 364.877251][ T57] ext4_ext_map_blocks+0x201b/0x33e0 [ 364.882531][ T57] ? ext4_ext_release+0x10/0x10 [ 364.887397][ T57] ? down_write_killable+0x170/0x170 [ 364.892670][ T57] ? ext4_es_lookup_extent+0x41d/0xd10 [ 364.898112][ T57] ext4_map_blocks+0x4cb/0x1640 [ 364.902948][ T57] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 364.908132][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 364.913686][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 364.919654][ T57] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 364.925108][ T57] ext4_writepages+0x1a7b/0x33c0 [ 364.930049][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 364.935665][ T57] ? __lock_acquire+0x2224/0x48b0 [ 364.940682][ T57] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 364.946669][ T57] ? __ext4_mark_inode_dirty+0x940/0x940 [ 364.952305][ T57] ? do_writepages+0xfa/0x2a0 [ 364.956966][ T57] do_writepages+0xfa/0x2a0 [ 364.961477][ T57] ? page_writeback_cpu_online+0x10/0x10 [ 364.967105][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 364.972649][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 364.978699][ T57] ? lock_downgrade+0x840/0x840 [ 364.983807][ T57] __writeback_single_inode+0x12a/0x13d0 [ 364.989437][ T57] ? _raw_spin_unlock+0x24/0x40 [ 364.994265][ T57] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 365.000242][ T57] writeback_sb_inodes+0x515/0xdc0 [ 365.005583][ T57] ? __writeback_single_inode+0x13d0/0x13d0 [ 365.011482][ T57] __writeback_inodes_wb+0xc3/0x250 [ 365.016687][ T57] wb_writeback+0x8db/0xd50 [ 365.021181][ T57] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 365.027547][ T57] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 365.033432][ T57] ? cpumask_next+0x3c/0x40 [ 365.037924][ T57] ? get_nr_dirty_inodes+0xd6/0x130 [ 365.043143][ T57] wb_workfn+0xab3/0x1090 [ 365.047495][ T57] ? inode_wait_for_writeback+0x30/0x30 [ 365.053047][ T57] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 365.058575][ T57] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 365.064539][ T57] process_one_work+0x965/0x1690 [ 365.069470][ T57] ? lock_release+0x800/0x800 [ 365.074128][ T57] ? pwq_dec_nr_in_flight+0x310/0x310 [ 365.079499][ T57] ? rwlock_bug.part.0+0x90/0x90 [ 365.084443][ T57] worker_thread+0x96/0xe10 [ 365.089248][ T57] ? process_one_work+0x1690/0x1690 [ 365.094452][ T57] kthread+0x3b5/0x4a0 [ 365.098524][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 365.104296][ T57] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 365.110128][ T57] ret_from_fork+0x1f/0x30