[ 0.000000][ T0] Linux version 5.12.0-rc2-syzkaller (syzkaller@syzkaller) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1) #0 SMP PREEMPT now [ 0.000000][ T0] Command line: earlyprintk=serial oops=panic nmi_watchdog=panic panic_on_warn=1 panic=1 ftrace_dump_on_oops=orig_cpu vsyscall=native net.ifnames=0 biosdevname=0 root=/dev/sda console=ttyS0 kvm-intel.nested=1 kvm-intel.unrestricted_guest=1 kvm-intel.vmm_exclusive=1 kvm-intel.fasteoi=1 kvm-intel.ept=1 kvm-intel.flexpriority=1 kvm-intel.vpid=1 kvm-intel.emulate_invalid_guest_state=1 kvm-intel.eptad=1 kvm-intel.enable_shadow_vmcs=1 kvm-intel.pml=1 kvm-intel.enable_apicv=1 root=/dev/sda1 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 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 0x0000000000100000-0x000000007ffdcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000007ffdd000-0x000000007fffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000b0000000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.000000][ T0] printk: bootconsole [earlyser0] enabled [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ********************************************************** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** This system shows unhashed kernel memory addresses ** [ 0.000000][ T0] ** via the console, logs, and other interfaces. This ** [ 0.000000][ T0] ** might reduce the security of your system. ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** If you see this message and you are not debugging ** [ 0.000000][ T0] ** the kernel, report this immediately to your system ** [ 0.000000][ T0] ** administrator! ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ********************************************************** [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] SMBIOS 2.8 present. [ 0.000000][ T0] DMI: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000][ T0] kvm-clock: cpu 0, msr f38f001, primary cpu clock [ 0.000001][ T0] kvm-clock: using sched offset of 3488694753 cycles [ 0.008978][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.031719][ T0] tsc: Detected 2300.000 MHz processor [ 0.047184][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.056311][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.080188][ T0] found SMP MP-table at [mem 0x000f5c80-0x000f5c8f] [ 0.089589][ T0] Using GB pages for direct mapping [ 0.097581][ T0] ACPI: Early table checksum verification disabled [ 0.107686][ T0] ACPI: RSDP 0x00000000000F5AD0 000014 (v00 BOCHS ) [ 0.118126][ T0] ACPI: RSDT 0x000000007FFE1F5B 000044 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.132516][ T0] ACPI: FACP 0x000000007FFE17ED 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.148550][ T0] ACPI: DSDT 0x000000007FFDF040 0027AD (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.161691][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.168738][ T0] ACPI: APIC 0x000000007FFE18E1 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.180994][ T0] ACPI: HPET 0x000000007FFE1991 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.194658][ T0] ACPI: SRAT 0x000000007FFE19C9 000150 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.206628][ T0] ACPI: MCFG 0x000000007FFE1B19 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.217981][ T0] ACPI: SSDT 0x000000007FFE1B55 0002FE (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.229272][ T0] ACPI: NFIT 0x000000007FFE1E53 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.241053][ T0] ACPI: WAET 0x000000007FFE1F33 000028 (v01 BOCHS BXPCWAET 00000001 BXPC 00000001) [ 0.253176][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.260520][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.269160][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.275861][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.282249][ T0] SRAT: PXM 0 -> APIC 0x04 -> Node 0 [ 0.288514][ T0] SRAT: PXM 0 -> APIC 0x05 -> Node 0 [ 0.294689][ T0] SRAT: PXM 0 -> APIC 0x06 -> Node 0 [ 0.301384][ T0] SRAT: PXM 0 -> APIC 0x07 -> Node 0 [ 0.308244][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.317344][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x7fffffff] [ 0.326727][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x103ffffff] non-volatile [ 0.339203][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x57fffffff] hotplug [ 0.350574][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x7ffdcfff] -> [mem 0x00000000-0x7ffdcfff] [ 0.367808][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 0.380430][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 0.394180][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 0.421441][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 0.516743][ T0] Zone ranges: [ 0.521616][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.532044][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 0.542416][ T0] Normal empty [ 0.548360][ T0] Device empty [ 0.553735][ T0] Movable zone start for each node [ 0.561250][ T0] Early memory node ranges [ 0.567816][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.578410][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 0.589880][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 0.601212][ T0] Zeroed struct page in unavailable ranges: 133 pages [ 0.601236][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 0.640202][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 1.460099][ T0] kasan: KernelAddressSanitizer initialized [ 1.475695][ T0] ACPI: PM-Timer IO Port: 0x608 [ 1.483075][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 1.494063][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 1.505136][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 1.517503][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 1.530373][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 1.541432][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 1.552180][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 1.562365][ T0] Using ACPI (MADT) for SMP configuration information [ 1.571215][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 1.579231][ T0] TSC deadline timer available [ 1.586796][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 1.596402][ T0] kvm-guest: KVM setup pv remote TLB flush [ 1.604840][ T0] kvm-guest: setup PV sched yield [ 1.612490][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 1.623814][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 1.635311][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 1.646992][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 1.660195][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 1.670090][ T0] Booting paravirtualized kernel on KVM [ 1.678819][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.763117][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:8 nr_node_ids:2 [ 1.800940][ T0] percpu: Embedded 64 pages/cpu s223880 r8192 d30072 u1048576 [ 1.812689][ T0] kvm-guest: KVM setup async PF for cpu 0 [ 1.822507][ T0] kvm-guest: stealtime: cpu 0, msr 2ca1f440 [ 1.832241][ T0] kvm-guest: PV spinlocks enabled [ 1.840148][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 1.851618][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 1.860970][ T0] Policy zone: DMA32 [ 1.865382][ T0] Kernel command line: earlyprintk=serial net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 binder.debug_mask=0 rcupdate.rcu_expedited=1 no_hash_pointers root=/dev/sda console=ttyS0 vsyscall=native numa=fake=2 kvm-intel.nested=1 spec_store_bypass_disable=prctl nopcid 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 dummy_hcd.num=8 watchdog_thresh=55 workqueue.watchdog_thresh=140 panic_on_warn=1 earlyprintk=serial oops=panic nmi_watchdog=panic panic_on_warn=1 panic=1 ftrace_dump_on_oops=orig_cpu vsyscall=native net.ifnames=0 biosdevname=0 root=/dev/sda console=ttyS0 kvm-intel.nested=1 kvm-intel.unrestricted_guest=1 kvm-intel.vmm_exclusive=1 kvm-intel.fasteoi=1 kvm-intel.ept=1 kvm-intel.flexpriority=1 kvm-intel.vpid=1 kvm-intel.emulate_invali [ 1.879598][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 2.491707][ T0] Memory: 1441376K/2096620K available (135201K kernel code, 33265K rwdata, 38256K rodata, 3868K init, 17008K bss, 654988K reserved, 0K cma-reserved) [ 2.521842][ T0] Running RCU self tests [ 2.527015][ T0] rcu: Preemptible hierarchical RCU implementation. [ 2.535802][ T0] rcu: RCU lockdep checking is enabled. [ 2.541997][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 2.551479][ T0] rcu: RCU debug extended QS entry/exit. [ 2.559920][ T0] All grace periods are expedited (rcu_expedited). [ 2.567836][ T0] Trampoline variant of Tasks RCU enabled. [ 2.575122][ T0] Tracing variant of Tasks RCU enabled. [ 2.582091][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 2.635809][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 2.648163][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88807ea00000-0xffff88807ec00000 [ 2.664561][ T0] random: crng done (trusting CPU's manufacturer) [ 2.753269][ T0] Console: colour VGA+ 80x25 [ 2.759913][ T0] printk: console [ttyS0] enabled [ 2.759913][ T0] printk: console [ttyS0] enabled [ 2.774725][ T0] printk: bootconsole [earlyser0] disabled [ 2.774725][ T0] printk: bootconsole [earlyser0] disabled [ 2.789722][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 2.801659][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.807557][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.815054][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.823071][ T0] ... CLASSHASH_SIZE: 4096 [ 2.831499][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 2.839239][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 2.846191][ T0] ... CHAINHASH_SIZE: 32768 [ 2.854196][ T0] memory used by lock dependency info: 6365 kB [ 2.862883][ T0] memory used for stack traces: 4224 kB [ 2.870783][ T0] per task-struct memory footprint: 1920 bytes [ 2.879725][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 2.896684][ T0] ACPI: Core revision 20210105 [ 2.905547][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 2.921209][ T0] APIC: Switch to symmetric I/O mode setup [ 2.929612][ T0] kvm-guest: setup PV IPIs [ 2.953367][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 2.962865][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 2.979726][ T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 2.989746][ T0] pid_max: default: 32768 minimum: 301 [ 3.001367][ T0] LSM: Security Framework initializing [ 3.010029][ T0] Yama: becoming mindful. [ 3.020152][ T0] TOMOYO Linux initialized [ 3.027255][ T0] SELinux: Initializing. [ 3.044106][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 3.061568][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 3.070322][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 3.079896][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 3.101512][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 3.111886][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 3.119729][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 3.129819][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 3.139794][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 3.139870][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 3.159782][ T0] MDS: Mitigation: Clear CPU buffers [ 3.170877][ T0] Freeing SMP alternatives memory: 104K [ 3.182278][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 3.197533][ T1] Running RCU-tasks wait API self tests [ 3.320255][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 3.332694][ T1] rcu: Hierarchical SRCU implementation. [ 3.339957][ T13] Callback from call_rcu_tasks_trace() invoked. [ 3.359508][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 3.363927][ T1] smp: Bringing up secondary CPUs ... [ 3.384463][ T1] x86: Booting SMP configuration: [ 3.389922][ T1] .... node #0, CPUs: #1 [ 0.312060][ T0] kvm-clock: cpu 1, msr f38f041, secondary cpu clock [ 3.417211][ T18] kvm-guest: KVM setup async PF for cpu 1 [ 3.419711][ T18] kvm-guest: stealtime: cpu 1, msr 2cb1f440 [ 3.430580][ 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. [ 3.448660][ T1] #2 [ 0.312060][ T0] kvm-clock: cpu 2, msr f38f081, secondary cpu clock [ 3.475165][ T23] kvm-guest: KVM setup async PF for cpu 2 [ 3.479711][ T23] kvm-guest: stealtime: cpu 2, msr 2cc1f440 [ 3.511639][ T1] #3 [ 0.312060][ T0] kvm-clock: cpu 3, msr f38f0c1, secondary cpu clock [ 3.542443][ T28] kvm-guest: KVM setup async PF for cpu 3 [ 3.548763][ T28] kvm-guest: stealtime: cpu 3, msr 2cd1f440 [ 3.559865][ T12] Callback from call_rcu_tasks() invoked. [ 3.580209][ T1] smp: Brought up 2 nodes, 4 CPUs [ 3.587332][ T1] smpboot: Max logical packages: 2 [ 3.589823][ T1] smpboot: Total of 4 processors activated (18400.00 BogoMIPS) [ 3.611311][ T1] devtmpfs: initialized [ 3.622043][ T1] x86/mm: Memory block size: 128MB [ 3.686514][ T37] kworker/u17:0 (37) used greatest stack depth: 27520 bytes left [ 3.690073][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 3.711003][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 3.738521][ T1] PM: RTC time: 22:26:02, date: 2021-03-12 [ 3.754150][ T1] NET: Registered protocol family 16 [ 3.775049][ T1] audit: initializing netlink subsys (disabled) [ 3.799791][ T51] audit: type=2000 audit(1615587962.898:1): state=initialized audit_enabled=0 res=1 [ 3.805307][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 3.810897][ T1] thermal_sys: Registered thermal governor 'user_space' [ 3.831121][ T1] cpuidle: using governor menu [ 3.847364][ T1] NET: Registered protocol family 42 [ 3.862568][ T1] ACPI: bus type PCI registered [ 3.880468][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 3.889984][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 4.084581][ T1] PCI: Using configuration type 1 for base access [ 4.136788][ T141] kworker/u17:3 (141) used greatest stack depth: 27512 bytes left [ 4.185632][ T48] ------------[ cut here ]------------ [ 4.199805][ T48] raw_local_irq_restore() called with IRQs enabled [ 4.209890][ T48] WARNING: CPU: 3 PID: 48 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 [ 4.229778][ T48] Modules linked in: [ 4.236637][ T48] CPU: 3 PID: 48 Comm: kworker/3:1 Not tainted 5.12.0-rc2-syzkaller #0 [ 4.250085][ T48] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 4.259796][ T48] Workqueue: events free_work [ 4.273524][ T48] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 4.279783][ T48] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d c1 11 ad 04 00 74 01 c3 48 c7 c7 60 79 6b 89 c6 05 b0 11 ad 04 01 e8 e5 be be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 4.314342][ T48] RSP: 0000:ffffc90000687a48 EFLAGS: 00010286 [ 4.329777][ T48] RAX: 0000000000000000 RBX: ffff88802cd36014 RCX: 0000000000000000 [ 4.339778][ T48] RDX: ffff88801173c080 RSI: ffffffff815b4475 RDI: fffff520000d0f3b [ 4.349816][ T48] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001 [ 4.362373][ T48] R10: ffffffff815ad1de R11: 0000000000000000 R12: 0000000000000001 [ 4.379781][ T48] R13: ffff88802cc36014 R14: dffffc0000000000 R15: ffff88802cd36000 [ 4.389786][ T48] FS: 0000000000000000(0000) GS:ffff88802cd00000(0000) knlGS:0000000000000000 [ 4.409813][ T48] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4.419473][ T48] CR2: 0000000000000000 CR3: 000000000bc8e000 CR4: 0000000000150ee0 [ 4.430393][ T48] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4.449782][ T48] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4.459780][ T48] Call Trace: [ 4.468000][ T48] kvm_wait+0xc9/0xe0 [ 4.473985][ T48] __pv_queued_spin_lock_slowpath+0x6c8/0xb40 [ 4.482763][ T48] ? pv_hash+0x100/0x100 [ 4.487315][ T48] ? lock_release+0x720/0x720 [ 4.499779][ T48] do_raw_spin_lock+0x200/0x2b0 [ 4.507607][ T48] ? rwlock_bug.part.0+0x90/0x90 [ 4.519782][ T48] free_vmap_area_noflush+0x257/0xd00 [ 4.529786][ T48] remove_vm_area+0x1cf/0x230 [ 4.538414][ T48] ? is_vmalloc_or_module_addr+0x6c/0x80 [ 4.543722][ T48] __vunmap+0x392/0xb60 [ 4.552060][ T48] free_work+0x58/0x70 [ 4.559782][ T48] process_one_work+0x98d/0x1600 [ 4.568098][ T48] ? pwq_dec_nr_in_flight+0x320/0x320 [ 4.572910][ T48] ? rwlock_bug.part.0+0x90/0x90 [ 4.577335][ T48] ? _raw_spin_lock_irq+0x41/0x50 [ 4.593031][ T48] worker_thread+0x64c/0x1120 [ 4.599797][ T48] ? __kthread_parkme+0x13f/0x1e0 [ 4.609779][ T48] ? process_one_work+0x1600/0x1600 [ 4.617591][ T48] kthread+0x3b1/0x4a0 [ 4.619776][ T48] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 4.629674][ T48] ret_from_fork+0x1f/0x30 [ 4.639782][ T48] Kernel panic - not syncing: panic_on_warn set ... [ 4.653711][ T48] CPU: 3 PID: 48 Comm: kworker/3:1 Not tainted 5.12.0-rc2-syzkaller #0 [ 4.664209][ T886] kworker/u17:2 (886) used greatest stack depth: 27192 bytes left [ 4.663461][ T48] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 4.663461][ T48] Workqueue: events free_work [ 4.663461][ T48] Call Trace: [ 4.699763][ T48] dump_stack+0x141/0x1d7 [ 4.699763][ T48] panic+0x306/0x73d [ 4.709813][ T48] ? __warn_printk+0xf3/0xf3 [ 4.709813][ T48] ? __warn.cold+0x1a/0x44 [ 4.723375][ T48] ? warn_bogus_irq_restore+0x1d/0x20 [ 4.742972][ T48] __warn.cold+0x35/0x44 [ 4.744203][ T48] ? wake_up_klogd.part.0+0x8e/0xd0 [ 4.752337][ T48] ? warn_bogus_irq_restore+0x1d/0x20 [ 4.752337][ T48] report_bug+0x1bd/0x210 [ 4.771386][ T48] handle_bug+0x3c/0x60 [ 4.783177][ T48] exc_invalid_op+0x14/0x40 [ 4.791670][ T48] asm_exc_invalid_op+0x12/0x20 [ 4.803167][ T48] RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 [ 4.815823][ T48] Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d c1 11 ad 04 00 74 01 c3 48 c7 c7 60 79 6b 89 c6 05 b0 11 ad 04 01 e8 e5 be be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 [ 4.833529][ T48] RSP: 0000:ffffc90000687a48 EFLAGS: 00010286 [ 4.853624][ T48] RAX: 0000000000000000 RBX: ffff88802cd36014 RCX: 0000000000000000 [ 4.869790][ T48] RDX: ffff88801173c080 RSI: ffffffff815b4475 RDI: fffff520000d0f3b [ 4.869790][ T48] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001 [ 4.901520][ T48] R10: ffffffff815ad1de R11: 0000000000000000 R12: 0000000000000001 [ 4.909702][ T48] R13: ffff88802cc36014 R14: dffffc0000000000 R15: ffff88802cd36000 [ 4.924058][ T48] ? wake_up_klogd.part.0+0x8e/0xd0 [ 4.933382][ T48] ? vprintk_func+0x95/0x1e0 [ 4.933382][ T48] ? warn_bogus_irq_restore+0x1d/0x20 [ 4.959837][ T48] kvm_wait+0xc9/0xe0 [ 4.959837][ T48] __pv_queued_spin_lock_slowpath+0x6c8/0xb40 [ 4.969814][ T48] ? pv_hash+0x100/0x100 [ 4.978480][ T48] ? lock_release+0x720/0x720 [ 4.989769][ T48] do_raw_spin_lock+0x200/0x2b0 [ 4.999776][ T48] ? rwlock_bug.part.0+0x90/0x90 [ 4.999776][ T48] free_vmap_area_noflush+0x257/0xd00 [ 5.015172][ T48] remove_vm_area+0x1cf/0x230 [ 5.020380][ T48] ? is_vmalloc_or_module_addr+0x6c/0x80 [ 5.020380][ T48] __vunmap+0x392/0xb60 [ 5.020380][ T48] free_work+0x58/0x70 [ 5.020380][ T48] process_one_work+0x98d/0x1600 [ 5.020380][ T48] ? pwq_dec_nr_in_flight+0x320/0x320 [ 5.020380][ T48] ? rwlock_bug.part.0+0x90/0x90 [ 5.020380][ T48] ? _raw_spin_lock_irq+0x41/0x50 [ 5.080334][ T48] worker_thread+0x64c/0x1120 [ 5.084306][ T48] ? __kthread_parkme+0x13f/0x1e0 [ 5.084306][ T48] ? process_one_work+0x1600/0x1600 [ 5.084306][ T48] kthread+0x3b1/0x4a0 [ 5.084306][ T48] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 5.119806][ T48] ret_from_fork+0x1f/0x30 [ 5.119806][ T48] Dumping ftrace buffer: [ 5.119806][ T48] (ftrace buffer empty) [ 5.119806][ T48] Rebooting in 1 seconds.. [ 5.119806][ T48] ACPI MEMORY or I/O RESET_REG.