failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.1.27" "pwd"]: exit status 255 ssh: connect to host 10.128.1.27 port 22: Connection timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[us-central1-ssh-serialport.googleapis.com]:9600' (RSA) to the list of known hosts. serialport: Connected to syzkaller.us-central1-c.ci-upstream-linux-next-kasan-gce-root-test-2 port 1 (session ID: 17166ec997f923de70dbbb271ef296621289be8f41c903d57bacdb84f81632ad, active connections: 1). SeaBIOS (version 1.8.2-google) Total RAM Size = 0x0000000200000000 = 8192 MiB CPUs found: 2 Max CPUs supported: 2 SeaBIOS (version 1.8.2-google) Machine UUID 633cdbc8-83d4-2ab1-e53f-fc3179553bbc found virtio-scsi at 0:3 virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0 virtio-scsi blksize=512 sectors=4194304 = 2048 MiB drive 0x000f2790: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Sending Seabios boot VM event. Booting from Hard Disk 0... [ 0.000000][ T0] Linux version 6.10.0-next-20240722-syzkaller (syzkaller@syzkaller) (Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40) #0 SMP PREEMPT_DYNAMIC now [ 0.000000][ T0] Command line: BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 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 0x0000000100000000-0x000000023fffffff] usable [ 0.000000][ T0] printk: legacy bootconsole [earlyser0] enabled [ 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] NX (Execute Disable) protection: active [ 0.000000][ T0] APIC: Static calls initialized [ 0.000000][ T0] SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 0.000000][ T0] DMI: Memory slots populated: 1/1 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000010][ T0] kvm-clock: using sched offset of 4645970225 cycles [ 0.000842][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.003921][ T0] tsc: Detected 2200.216 MHz processor [ 0.009299][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.010627][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.012355][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.013752][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.021507][ T0] found SMP MP-table at [mem 0x000f2a50-0x000f2a5f] [ 0.023007][ T0] Using GB pages for direct mapping [ 0.028345][ T0] ACPI: Early table checksum verification disabled [ 0.029838][ T0] ACPI: RSDP 0x00000000000F27D0 000014 (v00 Google) [ 0.031087][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.032625][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.034041][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.035553][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.036628][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.037513][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.039104][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.040863][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.042287][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.043634][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.044723][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.045924][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.047199][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.048358][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.049443][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.050781][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.052705][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.054193][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.055013][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.055699][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.056980][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.058151][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.059075][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.060652][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.062523][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.064185][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.066721][ T0] NODE_DATA(0) allocated [mem 0x13fffa000-0x13fffffff] [ 0.068718][ T0] NODE_DATA(1) allocated [mem 0x23fff7000-0x23fffcfff] [ 0.134448][ T0] Zone ranges: [ 0.135262][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.136240][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.137605][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.139333][ T0] Device empty [ 0.140080][ T0] Movable zone start for each node [ 0.140939][ T0] Early memory node ranges [ 0.141723][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.142762][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.143863][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.144798][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.145953][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.147213][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.148354][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.149698][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.218841][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.812147][ T0] kasan: KernelAddressSanitizer initialized [ 0.813896][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.814874][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.816003][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.817399][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.818635][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.819685][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.821063][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.822242][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.823312][ T0] CPU topo: Max. logical packages: 1 [ 0.824392][ T0] CPU topo: Max. logical dies: 1 [ 0.825502][ T0] CPU topo: Max. dies per package: 1 [ 0.826350][ T0] CPU topo: Max. threads per core: 2 [ 0.827197][ T0] CPU topo: Num. cores per package: 1 [ 0.828064][ T0] CPU topo: Num. threads per package: 2 [ 0.829017][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.830688][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.832282][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.833817][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.835182][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.837098][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.838699][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.840102][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.841425][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.842385][ T0] Booting paravirtualized kernel on KVM [ 0.843312][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.990566][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.993363][ T0] percpu: Embedded 74 pages/cpu s264328 r8192 d30584 u1048576 [ 0.994765][ T0] kvm-guest: PV spinlocks enabled [ 0.996169][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.998225][ 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 rcupdate.rcu_cpu_stall_cputime=1 no_hash_pointers page_owner=on sysctl.vm.nr_hugepages=4 sysctl.vm.nr_overcommit_hugepages=4 secretmem.enable=1 sysctl.max_rcu_stall_to_panic=1 msr.allow_writes=off coredump_filter=0xffff 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 smp.csd_lock_timeout=100000 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 dummy_hcd.num=8 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 1.016180][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 1.018731][ T0] random: crng init done [ 1.019789][ T0] Fallback order for Node 0: 0 1 [ 1.019893][ T0] Fallback order for Node 1: 1 0 [ 1.019908][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 1.024501][ T0] Policy zone: Normal [ 1.026427][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 1.028013][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 1.029798][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 1.039323][ T0] software IO TLB: area num 2. [ 2.324619][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 2.507264][ T0] allocated 167772160 bytes of page_ext [ 2.508782][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 2.524934][ T0] Node 0, zone DMA32: page owner found early allocated 20582 pages [ 2.537843][ T0] Node 0, zone Normal: page owner found early allocated 0 pages [ 2.549743][ T0] Node 1, zone Normal: page owner found early allocated 20483 pages [ 2.551714][ T0] Kernel/User page tables isolation: enabled [ 2.554166][ T0] Dynamic Preempt: full [ 2.556914][ T0] Running RCU self tests [ 2.557840][ T0] Running RCU synchronous self tests [ 2.558895][ T0] rcu: Preemptible hierarchical RCU implementation. [ 2.560402][ T0] rcu: RCU lockdep checking is enabled. [ 2.561329][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 2.562677][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 2.563933][ T0] rcu: RCU debug extended QS entry/exit. [ 2.565107][ T0] All grace periods are expedited (rcu_expedited). [ 2.566764][ T0] Trampoline variant of Tasks RCU enabled. [ 2.567985][ T0] Tracing variant of Tasks RCU enabled. [ 2.569143][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 2.571182][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 2.572909][ T0] Running RCU synchronous self tests [ 2.573924][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1. [ 2.576073][ T0] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1. [ 2.681887][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 2.684921][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 2.687027][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823bc00000-0xffff88823be00000 [ 2.689805][ T0] Console: colour VGA+ 80x25 [ 2.690643][ T0] printk: legacy console [ttyS0] enabled [ 2.690643][ T0] printk: legacy console [ttyS0] enabled [ 2.692866][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.692866][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.695523][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 2.697314][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.698123][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.699011][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.700044][ T0] ... CLASSHASH_SIZE: 4096 [ 2.701196][ T0] ... MAX_LOCKDEP_ENTRIES: 131072 [ 2.702178][ T0] ... MAX_LOCKDEP_CHAINS: 262144 [ 2.703722][ T0] ... CHAINHASH_SIZE: 131072 [ 2.704972][ T0] memory used by lock dependency info: 20721 kB [ 2.706367][ T0] memory used for stack traces: 8320 kB [ 2.707476][ T0] per task-struct memory footprint: 1920 bytes [ 2.709121][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 2.711330][ T0] ACPI: Core revision 20240322 [ 2.713404][ T0] APIC: Switch to symmetric I/O mode setup [ 2.716254][ T0] x2apic enabled [ 2.720509][ T0] APIC: Switched APIC routing to: physical x2apic [ 2.727467][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 2.728831][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6feccdd0, max_idle_ns: 440795259471 ns [ 2.730575][ T0] Calibrating delay loop (skipped) preset value.. 4400.43 BogoMIPS (lpj=22002160) [ 2.732853][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 2.740610][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 2.741894][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.743801][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 2.745284][ T0] Spectre V2 : Mitigation: IBRS [ 2.746478][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 2.747897][ T0] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 2.748903][ T0] RETBleed: Mitigation: IBRS [ 2.750740][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 2.751987][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 2.752957][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.754307][ T0] MDS: Mitigation: Clear CPU buffers [ 2.755304][ T0] TAA: Mitigation: Clear CPU buffers [ 2.756019][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 2.757563][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 2.759056][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 2.760566][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 2.762222][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 2.763156][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 3.020169][ T0] Freeing SMP alternatives memory: 128K [ 3.020575][ T0] pid_max: default: 32768 minimum: 301 [ 3.022292][ T0] LSM: initializing lsm=lockdown,capability,landlock,yama,safesetid,tomoyo,apparmor,bpf,ima,evm [ 3.026013][ T0] landlock: Up and running. [ 3.026737][ T0] Yama: becoming mindful. [ 3.027777][ T0] TOMOYO Linux initialized [ 3.029044][ T0] AppArmor: AppArmor initialized [ 3.030602][ T0] LSM support for eBPF active [ 3.040947][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 3.047209][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 3.049564][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 3.050983][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 3.057382][ T0] Running RCU synchronous self tests [ 3.058479][ T0] Running RCU synchronous self tests [ 3.182165][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 3.188765][ T1] Running RCU Tasks wait API self tests [ 3.291032][ T1] Running RCU Tasks Trace wait API self tests [ 3.292277][ T1] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only. [ 3.293716][ T1] signal: max sigframe size: 1776 [ 3.295223][ T1] rcu: Hierarchical SRCU implementation. [ 3.296189][ T1] rcu: Max phase no-delay instances is 1000. [ 3.298107][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level [ 3.300253][ T1] ------------[ cut here ]------------ [ 3.300818][ T1] WARNING: CPU: 0 PID: 1 at kernel/time/timer_migration.c:1714 tmigr_cpu_prepare+0x10e4/0x1330 [ 3.300844][ T1] Modules linked in: [ 3.300853][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.10.0-next-20240722-syzkaller #0 [ 3.300864][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 3.300871][ T1] RIP: 0010:tmigr_cpu_prepare+0x10e4/0x1330 [ 3.300883][ T1] Code: 0d 00 e9 41 fe ff ff e8 ea d3 0d 00 e9 37 fe ff ff 80 3d 81 e7 13 0e 01 75 26 e8 d7 d3 0d 00 e9 24 fe ff ff e8 cd d3 0d 00 90 <0f> 0b 90 e9 a8 ef ff ff e8 bf d3 0d 00 90 0f 0b 90 e9 6e ff ff ff [ 3.300891][ T1] RSP: 0000:ffffc900000676f0 EFLAGS: 00010293 [ 3.300900][ T1] RAX: ffffffff8185f763 RBX: 0000000000000000 RCX: ffff8880176a0000 [ 3.300907][ T1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 3.300912][ T1] RBP: ffff8880b942d2a0 R08: ffffffff8185e706 R09: 1ffffffff1f5f2ed [ 3.300919][ T1] R10: dffffc0000000000 R11: ffffffff8185e680 R12: dffffc0000000000 [ 3.300926][ T1] R13: 0000000000000040 R14: 0000000000000000 R15: 0000000000000000 [ 3.300933][ T1] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 3.300941][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3.300948][ T1] CR2: ffff88823ffff000 CR3: 000000000e134000 CR4: 00000000003506f0 [ 3.300957][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3.300963][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3.300969][ T1] Call Trace: [ 3.300973][ T1] [ 3.300979][ T1] ? __warn+0x168/0x4e0 [ 3.300990][ T1] ? tmigr_cpu_prepare+0x10e4/0x1330 [ 3.301003][ T1] ? report_bug+0x2b3/0x500 [ 3.301016][ T1] ? tmigr_cpu_prepare+0x10e4/0x1330 [ 3.301029][ T1] ? handle_bug+0x3e/0x70 [ 3.301039][ T1] ? exc_invalid_op+0x1a/0x50 [ 3.301048][ T1] ? asm_exc_invalid_op+0x1a/0x20 [ 3.301063][ T1] ? __pfx_tmigr_cpu_prepare+0x10/0x10 [ 3.301074][ T1] ? tmigr_cpu_prepare+0x86/0x1330 [ 3.301083][ T1] ? tmigr_cpu_prepare+0x10e3/0x1330 [ 3.301095][ T1] ? tmigr_cpu_prepare+0x10e4/0x1330 [ 3.301106][ T1] ? __pfx___mutex_trylock_common+0x10/0x10 [ 3.301119][ T1] ? __pfx_tmigr_cpu_prepare+0x10/0x10 [ 3.301129][ T1] ? rcu_is_watching+0x15/0xb0 [ 3.301139][ T1] ? trace_cpuhp_enter+0x94/0x210 [ 3.301152][ T1] ? __pfx_tmigr_cpu_prepare+0x10/0x10 [ 3.301164][ T1] cpuhp_invoke_callback+0x48d/0x830 [ 3.301183][ T1] ? __pfx_tmigr_cpu_prepare+0x10/0x10 [ 3.301195][ T1] ? __cpuhp_setup_state_cpuslocked+0xf9/0x730 [ 3.301211][ T1] cpuhp_issue_call+0x46f/0x7e0 [ 3.301225][ T1] ? __pfx_tmigr_cpu_prepare+0x10/0x10 [ 3.301237][ T1] ? rcu_read_lock_any_held+0xb7/0x160 [ 3.301248][ T1] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 3.301260][ T1] __cpuhp_setup_state_cpuslocked+0x464/0x730 [ 3.301273][ T1] ? __pfx_tmigr_cpu_prepare+0x10/0x10 [ 3.301285][ T1] ? __pfx_tmigr_cpu_prepare+0x10/0x10 [ 3.301296][ T1] __cpuhp_setup_state+0x3f/0x60 [ 3.301310][ T1] tmigr_init+0x231/0x2a0 [ 3.301324][ T1] ? __pfx_tmigr_init+0x10/0x10 [ 3.301335][ T1] do_one_initcall+0x248/0x880 [ 3.301349][ T1] ? __pfx_tmigr_init+0x10/0x10 [ 3.301367][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 3.301419][ T1] ? call_rcu_tasks_generic+0x679/0xa30 [ 3.301430][ T1] ? __pfx_wakeme_after_rcu+0x10/0x10 [ 3.301441][ T1] ? __pfx_test_rcu_tasks_callback+0x10/0x10 [ 3.301459][ T1] ? rcu_is_watching+0x15/0xb0 [ 3.301470][ T1] do_pre_smp_initcalls+0x57/0xa0 [ 3.301484][ T1] kernel_init_freeable+0x40d/0x5d0 [ 3.301501][ T1] ? __pfx_kernel_init_freeable+0x10/0x10 [ 3.301514][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 3.301527][ T1] ? __pfx_kernel_init+0x10/0x10 [ 3.301539][ T1] ? __pfx_kernel_init+0x10/0x10 [ 3.301549][ T1] ? __pfx_kernel_init+0x10/0x10 [ 3.301559][ T1] kernel_init+0x1d/0x2b0 [ 3.301569][ T1] ret_from_fork+0x4b/0x80 [ 3.301582][ T1] ? __pfx_kernel_init+0x10/0x10 [ 3.301593][ T1] ret_from_fork_asm+0x1a/0x30 [ 3.301630][ T1] [ 3.301636][ T1] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 3.310552][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.10.0-next-20240722-syzkaller #0 [ 3.310552][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 3.310552][ T1] Call Trace: [ 3.310552][ T1] [ 3.310552][ T1] dump_stack_lvl+0x241/0x360 [ 3.310552][ T1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 3.310552][ T1] ? __pfx__printk+0x10/0x10 [ 3.310552][ T1] ? _printk+0xd5/0x120 [ 3.310552][ T1] ? vscnprintf+0x5d/0x90 [ 3.310552][ T1] panic+0x349/0x870 [ 3.310552][ T1] ? __warn+0x177/0x4e0 [ 3.310552][ T1] ? __pfx_panic+0x10/0x10 [ 3.310552][ T1] ? show_trace_log_lvl+0x4e6/0x520 [ 3.310552][ T1] ? ret_from_fork_asm+0x1a/0x30 [ 3.310552][ T1] __warn+0x34b/0x4e0 [ 3.310552][ T1] ? tmigr_cpu_prepare+0x10e4/0x1330 [ 3.310552][ T1] report_bug+0x2b3/0x500 [ 3.310552][ T1] ? tmigr_cpu_prepare+0x10e4/0x1330 [ 3.310552][ T1] handle_bug+0x3e/0x70 [ 3.310552][ T1] exc_invalid_op+0x1a/0x50 [ 3.310552][ T1] asm_exc_invalid_op+0x1a/0x20 [ 3.310552][ T1] RIP: 0010:tmigr_cpu_prepare+0x10e4/0x1330 [ 3.310552][ T1] Code: 0d 00 e9 41 fe ff ff e8 ea d3 0d 00 e9 37 fe ff ff 80 3d 81 e7 13 0e 01 75 26 e8 d7 d3 0d 00 e9 24 fe ff ff e8 cd d3 0d 00 90 <0f> 0b 90 e9 a8 ef ff ff e8 bf d3 0d 00 90 0f 0b 90 e9 6e ff ff ff [ 3.310552][ T1] RSP: 0000:ffffc900000676f0 EFLAGS: 00010293 [ 3.310552][ T1] RAX: ffffffff8185f763 RBX: 0000000000000000 RCX: ffff8880176a0000 [ 3.310552][ T1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 3.310552][ T1] RBP: ffff8880b942d2a0 R08: ffffffff8185e706 R09: 1ffffffff1f5f2ed [ 3.310552][ T1] R10: dffffc0000000000 R11: ffffffff8185e680 R12: dffffc0000000000 [ 3.310552][ T1] R13: 0000000000000040 R14: 0000000000000000 R15: 0000000000000000 [ 3.310552][ T1] ? __pfx_tmigr_cpu_prepare+0x10/0x10 [ 3.310552][ T1] ? tmigr_cpu_prepare+0x86/0x1330 [ 3.310552][ T1] ? tmigr_cpu_prepare+0x10e3/0x1330 [ 3.310552][ T1] ? __pfx___mutex_trylock_common+0x10/0x10 [ 3.310552][ T1] ? __pfx_tmigr_cpu_prepare+0x10/0x10 [ 3.310552][ T1] ? rcu_is_watching+0x15/0xb0 [ 3.310552][ T1] ? trace_cpuhp_enter+0x94/0x210 [ 3.310552][ T1] ? __pfx_tmigr_cpu_prepare+0x10/0x10 [ 3.310552][ T1] cpuhp_invoke_callback+0x48d/0x830 [ 3.310552][ T1] ? __pfx_tmigr_cpu_prepare+0x10/0x10 [ 3.310552][ T1] ? __cpuhp_setup_state_cpuslocked+0xf9/0x730 [ 3.310552][ T1] cpuhp_issue_call+0x46f/0x7e0 [ 3.310552][ T1] ? __pfx_tmigr_cpu_prepare+0x10/0x10 [ 3.310552][ T1] ? rcu_read_lock_any_held+0xb7/0x160 [ 3.310552][ T1] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 3.310552][ T1] __cpuhp_setup_state_cpuslocked+0x464/0x730 [ 3.310552][ T1] ? __pfx_tmigr_cpu_prepare+0x10/0x10 [ 3.310552][ T1] ? __pfx_tmigr_cpu_prepare+0x10/0x10 [ 3.310552][ T1] __cpuhp_setup_state+0x3f/0x60 [ 3.310552][ T1] tmigr_init+0x231/0x2a0 [ 3.310552][ T1] ? __pfx_tmigr_init+0x10/0x10 [ 3.310552][ T1] do_one_initcall+0x248/0x880 [ 3.310552][ T1] ? __pfx_tmigr_init+0x10/0x10 [ 3.310552][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 3.310552][ T1] ? call_rcu_tasks_generic+0x679/0xa30 [ 3.310552][ T1] ? __pfx_wakeme_after_rcu+0x10/0x10 [ 3.310552][ T1] ? __pfx_test_rcu_tasks_callback+0x10/0x10 [ 3.310552][ T1] ? rcu_is_watching+0x15/0xb0 [ 3.310552][ T1] do_pre_smp_initcalls+0x57/0xa0 [ 3.310552][ T1] kernel_init_freeable+0x40d/0x5d0 [ 3.310552][ T1] ? __pfx_kernel_init_freeable+0x10/0x10 [ 3.310552][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 3.310552][ T1] ? __pfx_kernel_init+0x10/0x10 [ 3.310552][ T1] ? __pfx_kernel_init+0x10/0x10 [ 3.310552][ T1] ? __pfx_kernel_init+0x10/0x10 [ 3.310552][ T1] kernel_init+0x1d/0x2b0 [ 3.310552][ T1] ret_from_fork+0x4b/0x80 [ 3.310552][ T1] ? __pfx_kernel_init+0x10/0x10 [ 3.310552][ T1] ret_from_fork_asm+0x1a/0x30 [ 3.310552][ T1] [ 3.310552][ T1] Rebooting in 86400 seconds..