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@10.128.0.240" "pwd"]: exit status 255 ssh: connect to host 10.128.0.240 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' (ECDSA) to the list of known hosts. 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 99cf6481-913a-f8b3-88a8-0e052a788a13 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 0x000f25d0: 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 syzkaller (syzkaller@syzkaller) (Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8) #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] x86/CPU: Model not found in latest microcode list [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] System RAM [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x00000000000a0000-0x00000000000effff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] device reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] System RAM [ 0.000000][ T0] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x00000000c0000000-0x00000000fffbbfff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] device reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000023fffffff] System RAM [ 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] Hash pointers mode set to never. [ 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] DMI: SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/08/2026 [ 0.000000][ T0] DMI: Memory slots populated: 1/1 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000008][ T0] kvm-clock: using sched offset of 10606209719 cycles [ 0.000869][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.005386][ T0] tsc: Detected 2200.158 MHz processor [ 0.010643][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.014066][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.016541][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.020665][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.027776][ T0] found SMP MP-table at [mem 0x000f2890-0x000f289f] [ 0.030214][ T0] Using GB pages for direct mapping [ 0.035032][ T0] ACPI: Early table checksum verification disabled [ 0.038144][ T0] ACPI: RSDP 0x00000000000F2610 000014 (v00 Google) [ 0.039945][ T0] ACPI: RSDT 0x00000000BFFFFFB0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.043881][ T0] ACPI: FACP 0x00000000BFFFF3B0 000114 (v06 Google GOOGFACP 00000001 GOOG 00000001) [ 0.046337][ T0] ACPI: DSDT 0x00000000BFFFD5C0 001DED (v02 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.049474][ T0] ACPI: FACS 0x00000000BFFFD580 000040 [ 0.052804][ T0] ACPI: FACS 0x00000000BFFFD580 000040 [ 0.054262][ T0] ACPI: SRAT 0x00000000BFFFFEA0 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.057224][ T0] ACPI: APIC 0x00000000BFFFFDF0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.059520][ T0] ACPI: SSDT 0x00000000BFFFF4D0 000914 (v02 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.063230][ T0] ACPI: WAET 0x00000000BFFFFE70 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.066137][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff3b0-0xbffff4c3] [ 0.068999][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd5c0-0xbffff3ac] [ 0.074969][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd580-0xbfffd5bf] [ 0.080821][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd580-0xbfffd5bf] [ 0.083821][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffea0-0xbfffff67] [ 0.086607][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdf0-0xbffffe65] [ 0.090005][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff4d0-0xbffffde3] [ 0.092851][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe70-0xbffffe97] [ 0.096219][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.098068][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.100095][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.102108][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff] [ 0.106042][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff] [ 0.109990][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB) [ 0.113379][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB) [ 0.116738][ T0] NODE_DATA(0) allocated [mem 0x13fffb100-0x140000fff] [ 0.121003][ T0] NODE_DATA(1) allocated [mem 0x23fff7100-0x23fffcfff] [ 0.464596][ T0] KernelAddressSanitizer initialized (generic) [ 0.467171][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.468301][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.470506][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.472923][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.474436][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.477295][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.482038][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.488327][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.490186][ T0] CPU topo: Max. logical packages: 1 [ 0.492889][ T0] CPU topo: Max. logical nodes: 1 [ 0.495076][ T0] CPU topo: Num. nodes per package: 1 [ 0.496860][ T0] CPU topo: Max. logical dies: 1 [ 0.498734][ T0] CPU topo: Max. dies per package: 1 [ 0.500287][ T0] CPU topo: Max. threads per core: 2 [ 0.502025][ T0] CPU topo: Num. cores per package: 1 [ 0.504937][ T0] CPU topo: Num. threads per package: 2 [ 0.506912][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.508588][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.510198][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.513278][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xffffffff] [ 0.517273][ T0] [gap 0xc0000000-0xfffbbfff] available for PCI devices [ 0.519972][ T0] Booting paravirtualized kernel on KVM [ 0.521331][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.625178][ T0] Zone ranges: [ 0.626293][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.627615][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.629247][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.631019][ T0] Device empty [ 0.632882][ T0] Movable zone start for each node [ 0.634149][ T0] Early memory node ranges [ 0.635659][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.637908][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.640036][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff] [ 0.642546][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff] [ 0.645065][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff] [ 0.646689][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff] [ 0.693606][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.695598][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.800201][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.903508][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.906937][ T0] percpu: Embedded 72 pages/cpu s254472 r8192 d32248 u1048576 [ 0.909718][ T0] kvm-guest: PV spinlocks enabled [ 0.911269][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.914107][ 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=64 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=32 rose.rose_ndevs=32 smp.csd_lock_timeout=100000 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 dummy_hcd.num=32 max_loop=32 nbds_max=32 \ [ 0.944477][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.954231][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space. [ 0.958351][ T0] random: crng init done [ 0.960214][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.962921][ T0] software IO TLB: area num 2. [ 0.992436][ T0] Fallback order for Node 0: 0 1 [ 0.992461][ T0] Fallback order for Node 1: 1 0 [ 0.992475][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 0.996600][ T0] Policy zone: Normal [ 0.998847][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 1.000044][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 1.001737][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 1.008550][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 1.754517][ T0] ********************************************************** [ 1.756842][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.758378][ T0] ** ** [ 1.759999][ T0] ** This system shows unhashed kernel memory addresses ** [ 1.761169][ T0] ** via the console, logs, and other interfaces. This ** [ 1.762403][ T0] ** might reduce the security of your system. ** [ 1.763614][ T0] ** ** [ 1.764876][ T0] ** If you see this message and you are not debugging ** [ 1.765999][ T0] ** the kernel, report this immediately to your system ** [ 1.767970][ T0] ** administrator! ** [ 1.769505][ T0] ** ** [ 1.770851][ T0] ** Use hash_pointers=always to force this mode off ** [ 1.771940][ T0] ** ** [ 1.773318][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.774922][ T0] ********************************************************** [ 1.779042][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.893671][ T0] allocated 167772160 bytes of page_ext [ 1.897049][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.913465][ T0] Node 0, zone DMA32: page owner found early allocated 21251 pages [ 1.920632][ T0] Node 0, zone Normal: page owner found early allocated 0 pages [ 1.934255][ T0] Node 1, zone Normal: page owner found early allocated 19847 pages [ 1.936963][ T0] Kernel/User page tables isolation: enabled [ 1.939696][ T0] Dynamic Preempt: full [ 1.942647][ serialport: Connected to syzkaller.us-central1-c.ci-upstream-linux-next-kasan-gce-root-test-0 port 1 (session ID: 8569cc87bbb2322e6b52aee216372fcf9bde3fe2ea5521802bf7794d39207f6d, active connections: 1). T0] Running RCU self tests [ 1.943599][ T0] Running RCU synchronous self tests [ 1.944646][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.945756][ T0] rcu: RCU lockdep checking is enabled. [ 1.946853][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.948645][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.950032][ T0] rcu: RCU debug extended QS entry/exit. [ 1.951597][ T0] All grace periods are expedited (rcu_expedited). [ 1.953583][ T0] Trampoline variant of Tasks RCU enabled. [ 1.955360][ T0] Tracing variant of Tasks RCU enabled. [ 1.956560][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.959296][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.961485][ T0] Running RCU synchronous self tests [ 1.963223][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 2.182449][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 2.186806][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 2.190195][ T0] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.198175][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823be00000-0xffff88823c000000 [ 2.204540][ T0] Console: colour VGA+ 80x25 [ 2.205978][ T0] printk: console [ttyS0] enabled [ 2.205978][ T0] printk: console [ttyS0] enabled [ 2.208898][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.208898][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.211972][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 2.214539][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.216487][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.218493][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.220138][ T0] ... CLASSHASH_SIZE: 4096 [ 2.222262][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 2.224540][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 2.226371][ T0] ... CHAINHASH_SIZE: 524288 [ 2.228033][ T0] memory used by lock dependency info: 106625 kB [ 2.230215][ T0] memory used for stack traces: 8320 kB [ 2.233985][ T0] per task-struct memory footprint: 1920 bytes [ 2.236951][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 2.242442][ T0] ACPI: Core revision 20260408 [ 2.245542][ T0] APIC: Switch to symmetric I/O mode setup [ 2.248004][ T0] x2apic enabled [ 2.261709][ T0] APIC: Switched APIC routing to: physical x2apic [ 2.276908][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 2.282340][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6c80a799, max_idle_ns: 440795272342 ns [ 2.286936][ T0] Calibrating delay loop (skipped) preset value.. 4400.31 BogoMIPS (lpj=22001580) [ 2.291667][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 2.296938][ T0] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4 [ 2.300101][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 2.303548][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.306939][ T0] Spectre V2 : Mitigation: IBRS [ 2.308253][ T0] RETBleed: Mitigation: IBRS [ 2.311239][ T0] ITS: Mitigation: Aligned branch/return thunks [ 2.316937][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 2.319586][ T0] MDS: Mitigation: Clear CPU buffers [ 2.322782][ T0] TAA: Mitigation: Clear CPU buffers [ 2.326150][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 2.326939][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.336946][ T0] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 2.340743][ T0] Spectre V2 : Enabling IBPB for BPF [ 2.344538][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 2.346968][ T0] active return thunk: its_return_thunk [ 2.350643][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 2.352632][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 2.354544][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 2.356939][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 2.359521][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 2.362426][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 2.368721][ T0] ------------[ cut here ]------------ [ 2.370927][ T0] CPA detected W^X violation: 8000000000000023 -> 0000000000000023 range: 0xffffffffa0000000 - 0xffffffffa0000fff PFN 1b200 [ 2.376959][ T0] WARNING: arch/x86/mm/pat/set_memory.c:725 at __change_page_attr_set_clr+0x1d69/0x2820, CPU#0: swapper/0/0 [ 2.386944][ T0] Modules linked in: [ 2.393152][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 2.396939][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/08/2026 [ 2.403180][ T0] RIP: 0010:__change_page_attr_set_clr+0x1d79/0x2820 [ 2.406941][ T0] Code: 00 00 e8 ca f5 4d 00 48 8b 4c 24 30 4c 8d 81 ff 0f 00 00 48 8d 3d 47 84 02 0f 48 8b b4 24 a0 00 00 00 4c 89 f2 4c 8b 4c 24 50 <67> 48 0f b9 3a e9 8d 00 00 00 e8 98 f5 4d 00 4c 89 f8 48 c1 e8 03 [ 2.416938][ T0] RSP: 0000:ffffffff8ea07820 EFLAGS: 00010293 [ 2.419450][ T0] RAX: ffffffff817ae2e6 RBX: 800000001b200023 RCX: ffffffffa0000000 [ 2.421805][ T0] RDX: 0000000000000023 RSI: 8000000000000023 RDI: ffffffff907d6740 [ 2.424052][ T0] RBP: ffffffff8ea07ad0 R08: ffffffffa0000fff R09: 000000000001b200 [ 2.426937][ T0] R10: dffffc0000000000 R11: fffffbfff1d40ef4 R12: 8000000000000000 [ 2.430000][ T0] R13: 0000000000000002 R14: 0000000000000023 R15: 8000000000000002 [ 2.432141][ T0] FS: 0000000000000000(0000) GS:ffff888124ca2000(0000) knlGS:0000000000000000 [ 2.434166][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.435958][ T0] CR2: ffff88823ffff000 CR3: 000000000eb48000 CR4: 00000000003506f0 [ 2.436942][ T0] Call Trace: [ 2.438475][ T0] [ 2.439537][ T0] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 2.442769][ T0] ? __purge_vmap_area_lazy+0x8ec/0xab0 [ 2.444867][ T0] ? __pfx___change_page_attr_set_clr+0x10/0x10 [ 2.446947][ T0] ? __might_resched+0x71/0x4c0 [ 2.448025][ T0] ? down_read+0x2b9/0x320 [ 2.449400][ T0] change_page_attr_set_clr+0x398/0x11d0 [ 2.451242][ T0] ? __pfx_change_page_attr_set_clr+0x10/0x10 [ 2.453328][ T0] ? trace_kmalloc+0x2a/0xf0 [ 2.454527][ T0] set_memory_x+0xd6/0x110 [ 2.456941][ T0] ? __pfx_set_memory_x+0x10/0x10 [ 2.461720][ T0] apply_retpolines+0x8e9/0x15a0 [ 2.463831][ T0] ? events_sysfs_show+0xdd/0xf0 [ 2.464774][ T0] ? __pfx_apply_retpolines+0x10/0x10 [ 2.466942][ T0] ? events_sysfs_show+0xdd/0xf0 [ 2.467905][ T0] ? events_sysfs_show+0xec/0xf0 [ 2.468939][ T0] ? events_sysfs_show+0xe3/0xf0 [ 2.471192][ T0] ? unregister_die_notifier+0x43/0x50 [ 2.472839][ T0] ? __pfx_int3_selftest+0x10/0x10 [ 2.474032][ T0] alternative_instructions+0x3a/0x100 [ 2.476052][ T0] arch_cpu_finalize_init+0xb2/0x1f0 [ 2.476941][ T0] start_kernel+0x315/0x3e0 [ 2.478394][ T0] x86_64_start_reservations+0x24/0x30 [ 2.480869][ T0] x86_64_start_kernel+0x137/0x1b0 [ 2.482487][ T0] common_startup_64+0x13e/0x157 [ 2.484288][ T0] [ 2.485272][ T0] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 2.486919][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 2.486919][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/08/2026 [ 2.486919][ T0] Call Trace: [ 2.486919][ T0] [ 2.486919][ T0] vpanic+0x56d/0xa70 [ 2.486919][ T0] ? __pfx__printk+0x10/0x10 [ 2.486919][ T0] ? __pfx_vpanic+0x10/0x10 [ 2.486919][ T0] ? is_bpf_text_address+0x292/0x2b0 [ 2.486919][ T0] ? is_bpf_text_address+0x26/0x2b0 [ 2.486919][ T0] panic+0xc5/0xd0 [ 2.486919][ T0] ? __pfx_panic+0x10/0x10 [ 2.486919][ T0] ? common_startup_64+0x13e/0x157 [ 2.486919][ T0] __warn+0x315/0x4c0 [ 2.486919][ T0] ? __change_page_attr_set_clr+0x1d69/0x2820 [ 2.486919][ T0] ? __change_page_attr_set_clr+0x1d69/0x2820 [ 2.486919][ T0] __report_bug+0x276/0x570 [ 2.486919][ T0] ? __change_page_attr_set_clr+0x1d69/0x2820 [ 2.486919][ T0] ? __pfx___report_bug+0x10/0x10 [ 2.486919][ T0] report_bug_entry+0x19b/0x290 [ 2.486919][ T0] ? __change_page_attr_set_clr+0x1d79/0x2820 [ 2.486919][ T0] ? __change_page_attr_set_clr+0x1d7e/0x2820 [ 2.486919][ T0] handle_bug+0xce/0x200 [ 2.486919][ T0] exc_invalid_op+0x1a/0x50 [ 2.486919][ T0] asm_exc_invalid_op+0x1a/0x20 [ 2.486919][ T0] RIP: 0010:__change_page_attr_set_clr+0x1d79/0x2820 [ 2.486919][ T0] Code: 00 00 e8 ca f5 4d 00 48 8b 4c 24 30 4c 8d 81 ff 0f 00 00 48 8d 3d 47 84 02 0f 48 8b b4 24 a0 00 00 00 4c 89 f2 4c 8b 4c 24 50 <67> 48 0f b9 3a e9 8d 00 00 00 e8 98 f5 4d 00 4c 89 f8 48 c1 e8 03 [ 2.486919][ T0] RSP: 0000:ffffffff8ea07820 EFLAGS: 00010293 [ 2.486919][ T0] RAX: ffffffff817ae2e6 RBX: 800000001b200023 RCX: ffffffffa0000000 [ 2.486919][ T0] RDX: 0000000000000023 RSI: 8000000000000023 RDI: ffffffff907d6740 [ 2.486919][ T0] RBP: ffffffff8ea07ad0 R08: ffffffffa0000fff R09: 000000000001b200 [ 2.486919][ T0] R10: dffffc0000000000 R11: fffffbfff1d40ef4 R12: 8000000000000000 [ 2.486919][ T0] R13: 0000000000000002 R14: 0000000000000023 R15: 8000000000000002 [ 2.486919][ T0] ? __change_page_attr_set_clr+0x1d56/0x2820 [ 2.486919][ T0] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 2.486919][ T0] ? __purge_vmap_area_lazy+0x8ec/0xab0 [ 2.486919][ T0] ? __pfx___change_page_attr_set_clr+0x10/0x10 [ 2.486919][ T0] ? __might_resched+0x71/0x4c0 [ 2.486919][ T0] ? down_read+0x2b9/0x320 [ 2.486919][ T0] change_page_attr_set_clr+0x398/0x11d0 [ 2.486919][ T0] ? __pfx_change_page_attr_set_clr+0x10/0x10 [ 2.486919][ T0] ? trace_kmalloc+0x2a/0xf0 [ 2.486919][ T0] set_memory_x+0xd6/0x110 [ 2.486919][ T0] ? __pfx_set_memory_x+0x10/0x10 [ 2.486919][ T0] apply_retpolines+0x8e9/0x15a0 [ 2.486919][ T0] ? events_sysfs_show+0xdd/0xf0 [ 2.486919][ T0] ? __pfx_apply_retpolines+0x10/0x10 [ 2.486919][ T0] ? events_sysfs_show+0xdd/0xf0 [ 2.486919][ T0] ? events_sysfs_show+0xec/0xf0 [ 2.486919][ T0] ? events_sysfs_show+0xe3/0xf0 [ 2.486919][ T0] ? unregister_die_notifier+0x43/0x50 [ 2.486919][ T0] ? __pfx_int3_selftest+0x10/0x10 [ 2.486919][ T0] alternative_instructions+0x3a/0x100 [ 2.486919][ T0] arch_cpu_finalize_init+0xb2/0x1f0 [ 2.486919][ T0] start_kernel+0x315/0x3e0 [ 2.486919][ T0] x86_64_start_reservations+0x24/0x30 [ 2.486919][ T0] x86_64_start_kernel+0x137/0x1b0 [ 2.486919][ T0] common_startup_64+0x13e/0x157 [ 2.486919][ T0] [ 2.486919][ T0] Rebooting in 86400 seconds..