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@10.128.0.187" "pwd"]: exit status 255
ssh: connect to host 10.128.0.187 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 07/24/2026
[ 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
[ 0.000007][ T0] kvm-clock: using sched offset of 7770636290 cycles
[ 0.002526][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[ 0.009047][ T0] tsc: Detected 2199.998 MHz processor
[ 0.014886][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000
[ 0.017319][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs
[ 0.020869][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
[ 0.023555][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000
[ 0.030402][ T0] found SMP MP-table at [mem 0x000f2890-0x000f289f]
[ 0.033227][ T0] Using GB pages for direct mapping
[ 0.038249][ T0] ACPI: Early table checksum verification disabled
[ 0.041208][ T0] ACPI: RSDP 0x00000000000F2610 000014 (v00 Google)
[ 0.043530][ T0] ACPI: RSDT 0x00000000BFFFFFB0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001)
[ 0.046861][ T0] ACPI: FACP 0x00000000BFFFF370 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001)
[ 0.050441][ T0] ACPI: DSDT 0x00000000BFFFD900 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001)
[ 0.054160][ T0] ACPI: FACS 0x00000000BFFFD8C0 000040
[ 0.056252][ T0] ACPI: FACS 0x00000000BFFFD8C0 000040
[ 0.058061][ T0serialport: Connected to syzkaller.us-central1-c.ci-upstream-linux-next-kasan-gce-root-test-0 port 1 (session ID: 98ba93f50995c559271c07daa066f4a404962f6aac02f927df48b4705dde4ce0, active connections: 1).
] ACPI: SRAT 0x00000000BFFFFEA0 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001)
[ 0.061761][ T0] ACPI: APIC 0x00000000BFFFFDF0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001)
[ 0.065168][ T0] ACPI: SSDT 0x00000000BFFFF470 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001)
[ 0.068389][ T0] ACPI: WAET 0x00000000BFFFFE70 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001)
[ 0.072347][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff370-0xbffff463]
[ 0.075013][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd900-0xbffff363]
[ 0.078158][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd8c0-0xbfffd8ff]
[ 0.081204][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd8c0-0xbfffd8ff]
[ 0.084624][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffea0-0xbfffff67]
[ 0.087237][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdf0-0xbffffe65]
[ 0.090028][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff470-0xbffffdef]
[ 0.092851][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe70-0xbffffe97]
[ 0.095613][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff]
[ 0.097869][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff]
[ 0.100122][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff]
[ 0.102688][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff]
[ 0.106230][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff]
[ 0.109589][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB)
[ 0.112057][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB)
[ 0.114751][ T0] NODE_DATA(0) allocated [mem 0x13fffb100-0x140000fff]
[ 0.118008][ T0] NODE_DATA(1) allocated [mem 0x23fff7100-0x23fffcfff]
[ 0.401363][ T0] KernelAddressSanitizer initialized (generic)
[ 0.404456][ T0] ACPI: PM-Timer IO Port: 0xb008
[ 0.406339][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.408701][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[ 0.411126][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[ 0.413929][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.416242][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[ 0.418791][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[ 0.421432][ T0] ACPI: Using ACPI (MADT) for SMP configuration information
[ 0.423886][ T0] CPU topo: Max. logical packages: 1
[ 0.425753][ T0] CPU topo: Max. logical nodes: 1
[ 0.427475][ T0] CPU topo: Num. nodes per package: 1
[ 0.429212][ T0] CPU topo: Max. logical dies: 1
[ 0.431198][ T0] CPU topo: Max. dies per package: 1
[ 0.432813][ T0] CPU topo: Max. threads per core: 2
[ 0.434299][ T0] CPU topo: Num. cores per package: 1
[ 0.436300][ T0] CPU topo: Num. threads per package: 2
[ 0.438021][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs
[ 0.440656][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 0.443423][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff]
[ 0.446363][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xffffffff]
[ 0.448948][ T0] [gap 0xc0000000-0xfffbbfff] available for PCI devices
[ 0.451289][ T0] Booting paravirtualized kernel on KVM
[ 0.453050][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.556417][ T0] Zone ranges:
[ 0.557735][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.560094][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
[ 0.562336][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff]
[ 0.564826][ T0] Device empty
[ 0.566704][ T0] Movable zone start for each node
[ 0.568524][ T0] Early memory node ranges
[ 0.570139][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff]
[ 0.573117][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff]
[ 0.575954][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff]
[ 0.579370][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff]
[ 0.582262][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff]
[ 0.585715][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff]
[ 0.628787][ T0] On node 0, zone DMA: 1 pages in unavailable ranges
[ 0.631604][ T0] On node 0, zone DMA: 97 pages in unavailable ranges
[ 0.720966][ T0] On node 0, zone Normal: 3 pages in unavailable ranges
[ 0.812222][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2
[ 0.816324][ T0] percpu: Embedded 72 pages/cpu s254216 r8192 d32504 u1048576
[ 0.819375][ T0] kvm-guest: PV spinlocks enabled
[ 0.821412][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 0.824571][ 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 \
[ 0.859014][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0
[ 0.869387][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space.
[ 0.874391][ T0] random: crng init done
[ 0.876232][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes
[ 0.879963][ T0] software IO TLB: area num 2.
[ 0.908211][ T0] Fallback order for Node 0: 0 1
[ 0.908232][ T0] Fallback order for Node 1: 1 0
[ 0.908244][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051
[ 0.916111][ T0] Policy zone: Normal
[ 0.918318][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off
[ 0.921047][ T0] stackdepot: allocating hash table via alloc_large_system_hash
[ 0.923995][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear)
[ 0.931494][ T0] stackdepot: allocating space for 8192 stack pools via memblock
[ 1.553983][ T0] **********************************************************
[ 1.556602][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **
[ 1.559546][ T0] ** **
[ 1.562162][ T0] ** This system shows unhashed kernel memory addresses **
[ 1.564958][ T0] ** via the console, logs, and other interfaces. This **
[ 1.568214][ T0] ** might reduce the security of your system. **
[ 1.571305][ T0] ** **
[ 1.574197][ T0] ** If you see this message and you are not debugging **
[ 1.576955][ T0] ** the kernel, report this immediately to your system **
[ 1.579798][ T0] ** administrator! **
[ 1.582023][ T0] ** **
[ 1.584305][ T0] ** Use hash_pointers=always to force this mode off **
[ 1.586475][ T0] ** **
[ 1.590741][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **
[ 1.594555][ T0] **********************************************************
[ 1.601029][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2
[ 1.714966][ T0] allocated 167772160 bytes of page_ext
[ 1.717601][ T0] Node 0, zone DMA: page owner found early allocated 0 pages
[ 1.735497][ T0] Node 0, zone DMA32: page owner found early allocated 21251 pages
[ 1.743953][ T0] Node 0, zone Normal: page owner found early allocated 0 pages
[ 1.758623][ T0] Node 1, zone Normal: page owner found early allocated 19847 pages
[ 1.762451][ T0] Kernel/User page tables isolation: enabled
[ 1.765939][ T0] Dynamic Preempt: full
[ 1.769321][ T0] Running RCU self tests
[ 1.771461][ T0] Running RCU synchronous self tests
[ 1.773435][ T0] rcu: Preemptible hierarchical RCU implementation.
[ 1.776131][ T0] rcu: RCU lockdep checking is enabled.
[ 1.778373][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2.
[ 1.781284][ T0] rcu: RCU callback double-/use-after-free debug is enabled.
[ 1.784445][ T0] rcu: RCU debug extended QS entry/exit.
[ 1.786800][ T0] All grace periods are expedited (rcu_expedited).
[ 1.789885][ T0] Trampoline variant of Tasks RCU enabled.
[ 1.792287][ T0] Tracing variant of Tasks RCU enabled.
[ 1.794687][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[ 1.798799][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[ 1.802571][ T0] Running RCU synchronous self tests
[ 1.804780][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2.
[ 1.993037][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16
[ 1.996784][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[ 2.000011][ T0] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 2.005013][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823be00000-0xffff88823c000000
[ 2.011164][ T0] Console: colour VGA+ 80x25
[ 2.013125][ T0] printk: console [ttyS0] enabled
[ 2.013125][ T0] printk: console [ttyS0] enabled
[ 2.017099][ T0] printk: legacy bootconsole [earlyser0] disabled
[ 2.017099][ T0] printk: legacy bootconsole [earlyser0] disabled
[ 2.021499][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[ 2.024416][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8
[ 2.026731][ T0] ... MAX_LOCK_DEPTH: 48
[ 2.028750][ T0] ... MAX_LOCKDEP_KEYS: 8192
[ 2.030652][ T0] ... CLASSHASH_SIZE: 4096
[ 2.032727][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576
[ 2.035027][ T0] ... MAX_LOCKDEP_CHAINS: 1048576
[ 2.037307][ T0] ... CHAINHASH_SIZE: 524288
[ 2.039149][ T0] memory used by lock dependency info: 106625 kB
[ 2.041411][ T0] memory used for stack traces: 8320 kB
[ 2.043827][ T0] per task-struct memory footprint: 1920 bytes
[ 2.046305][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl
[ 2.051042][ T0] ACPI: Core revision 20260408
[ 2.054026][ T0] APIC: Switch to symmetric I/O mode setup
[ 2.056847][ T0] x2apic enabled
[ 2.062662][ T0] APIC: Switched APIC routing to: physical x2apic
[ 2.073754][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
[ 2.076681][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns
[ 2.080816][ T0] Calibrating delay loop (skipped) preset value.. 4399.99 BogoMIPS (lpj=21999980)
[ 2.091464][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8
[ 2.093820][ T0] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4
[ 2.096497][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto
[ 2.100813][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl
[ 2.104284][ T0] Spectre V2 : Mitigation: IBRS
[ 2.105930][ T0] RETBleed: Mitigation: IBRS
[ 2.107551][ T0] ITS: Mitigation: Aligned branch/return thunks
[ 2.109860][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl
[ 2.110810][ T0] MDS: Mitigation: Clear CPU buffers
[ 2.112837][ T0] TAA: Mitigation: Clear CPU buffers
[ 2.114916][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode
[ 2.118351][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
[ 2.120813][ T0] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT
[ 2.123986][ T0] Spectre V2 : Enabling IBPB for BPF
[ 2.125970][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier
[ 2.130862][ T0] active return thunk: its_return_thunk
[ 2.133088][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit
[ 2.136659][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
[ 2.140813][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
[ 2.143289][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
[ 2.145878][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
[ 2.148329][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format.
[ 2.153373][ T0] ------------[ cut here ]------------
[ 2.155513][ T0] CPA detected W^X violation: 8000000000000023 -> 0000000000000023 range: 0xffffffffa0000000 - 0xffffffffa0000fff PFN 140600
[ 2.160817][ T0] WARNING: arch/x86/mm/pat/set_memory.c:725 at __change_page_attr_set_clr+0x1d69/0x2820, CPU#0: swapper/0/0
[ 2.165056][ T0] Modules linked in:
[ 2.166700][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full)
[ 2.170811][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 2.174424][ T0] RIP: 0010:__change_page_attr_set_clr+0x1d79/0x2820
[ 2.176719][ T0] Code: 00 00 e8 aa d6 4d 00 48 8b 4c 24 30 4c 8d 81 ff 0f 00 00 48 8d 3d 07 99 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 78 d6 4d 00 4c 89 f8 48 c1 e8 03
[ 2.180811][ T0] RSP: 0000:ffffffff8ea07820 EFLAGS: 00010293
[ 2.183136][ T0] RAX: ffffffff817ac2e6 RBX: 8000000140600023 RCX: ffffffffa0000000
[ 2.190812][ T0] RDX: 0000000000000023 RSI: 8000000000000023 RDI: ffffffff907d5c00
[ 2.193793][ T0] RBP: ffffffff8ea07ad0 R08: ffffffffa0000fff R09: 0000000000140600
[ 2.196947][ T0] R10: dffffc0000000000 R11: fffffbfff1d40ef4 R12: 8000000000000000
[ 2.200216][ T0] R13: 0000000000000002 R14: 0000000000000023 R15: 8000000000000002
[ 2.200815][ T0] FS: 0000000000000000(0000) GS:ffff888124caa000(0000) knlGS:0000000000000000
[ 2.204067][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.206272][ T0] CR2: ffff88823ffff000 CR3: 000000000eb48000 CR4: 00000000003506f0
[ 2.210816][ T0] Call Trace:
[ 2.212136][ T0]
[ 2.213140][ T0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2.215227][ T0] ? __purge_vmap_area_lazy+0x8ec/0xab0
[ 2.217419][ T0] ? __pfx___change_page_attr_set_clr+0x10/0x10
[ 2.220031][ T0] ? __might_resched+0x71/0x4c0
[ 2.220820][ T0] ? down_read+0x2b9/0x320
[ 2.222714][ T0] change_page_attr_set_clr+0x398/0x11d0
[ 2.224802][ T0] ? __pfx_change_page_attr_set_clr+0x10/0x10
[ 2.227310][ T0] ? trace_kmalloc+0x2a/0xf0
[ 2.229128][ T0] set_memory_x+0xd6/0x110
[ 2.230819][ T0] ? __pfx_set_memory_x+0x10/0x10
[ 2.232564][ T0] apply_retpolines+0x8e9/0x15a0
[ 2.234349][ T0] ? events_sysfs_show+0xdd/0xf0
[ 2.236033][ T0] ? __pfx_apply_retpolines+0x10/0x10
[ 2.238120][ T0] ? events_sysfs_show+0xdd/0xf0
[ 2.240814][ T0] ? events_sysfs_show+0xec/0xf0
[ 2.242761][ T0] ? events_sysfs_show+0xe3/0xf0
[ 2.244607][ T0] ? unregister_die_notifier+0x43/0x50
[ 2.246708][ T0] ? __pfx_int3_selftest+0x10/0x10
[ 2.248680][ T0] alternative_instructions+0x3a/0x100
[ 2.250819][ T0] arch_cpu_finalize_init+0xb2/0x1f0
[ 2.252816][ T0] start_kernel+0x310/0x3e0
[ 2.255017][ T0] x86_64_start_reservations+0x24/0x30
[ 2.256961][ T0] x86_64_start_kernel+0x137/0x1b0
[ 2.258787][ T0] common_startup_64+0x13e/0x157
[ 2.260828][ T0]
[ 2.261774][ T0] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 2.264279][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full)
[ 2.268047][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 2.270798][ T0] Call Trace:
[ 2.270798][ T0]
[ 2.270798][ T0] vpanic+0x56d/0xa70
[ 2.270798][ T0] ? __pfx__printk+0x10/0x10
[ 2.270798][ T0] ? __pfx_vpanic+0x10/0x10
[ 2.270798][ T0] ? is_bpf_text_address+0x292/0x2b0
[ 2.270798][ T0] ? is_bpf_text_address+0x26/0x2b0
[ 2.270798][ T0] panic+0xc5/0xd0
[ 2.270798][ T0] ? __pfx_panic+0x10/0x10
[ 2.270798][ T0] ? common_startup_64+0x13e/0x157
[ 2.270798][ T0] __warn+0x315/0x4c0
[ 2.270798][ T0] ? __change_page_attr_set_clr+0x1d69/0x2820
[ 2.270798][ T0] ? __change_page_attr_set_clr+0x1d69/0x2820
[ 2.270798][ T0] __report_bug+0x276/0x570
[ 2.270798][ T0] ? __change_page_attr_set_clr+0x1d69/0x2820
[ 2.270798][ T0] ? __pfx___report_bug+0x10/0x10
[ 2.270798][ T0] report_bug_entry+0x19b/0x290
[ 2.270798][ T0] ? __change_page_attr_set_clr+0x1d79/0x2820
[ 2.270798][ T0] ? __change_page_attr_set_clr+0x1d7e/0x2820
[ 2.270798][ T0] handle_bug+0xce/0x200
[ 2.270798][ T0] exc_invalid_op+0x1a/0x50
[ 2.270798][ T0] asm_exc_invalid_op+0x1a/0x20
[ 2.270798][ T0] RIP: 0010:__change_page_attr_set_clr+0x1d79/0x2820
[ 2.270798][ T0] Code: 00 00 e8 aa d6 4d 00 48 8b 4c 24 30 4c 8d 81 ff 0f 00 00 48 8d 3d 07 99 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 78 d6 4d 00 4c 89 f8 48 c1 e8 03
[ 2.270798][ T0] RSP: 0000:ffffffff8ea07820 EFLAGS: 00010293
[ 2.270798][ T0] RAX: ffffffff817ac2e6 RBX: 8000000140600023 RCX: ffffffffa0000000
[ 2.270798][ T0] RDX: 0000000000000023 RSI: 8000000000000023 RDI: ffffffff907d5c00
[ 2.270798][ T0] RBP: ffffffff8ea07ad0 R08: ffffffffa0000fff R09: 0000000000140600
[ 2.270798][ T0] R10: dffffc0000000000 R11: fffffbfff1d40ef4 R12: 8000000000000000
[ 2.270798][ T0] R13: 0000000000000002 R14: 0000000000000023 R15: 8000000000000002
[ 2.270798][ T0] ? __change_page_attr_set_clr+0x1d56/0x2820
[ 2.270798][ T0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2.270798][ T0] ? __purge_vmap_area_lazy+0x8ec/0xab0
[ 2.270798][ T0] ? __pfx___change_page_attr_set_clr+0x10/0x10
[ 2.270798][ T0] ? __might_resched+0x71/0x4c0
[ 2.270798][ T0] ? down_read+0x2b9/0x320
[ 2.270798][ T0] change_page_attr_set_clr+0x398/0x11d0
[ 2.270798][ T0] ? __pfx_change_page_attr_set_clr+0x10/0x10
[ 2.270798][ T0] ? trace_kmalloc+0x2a/0xf0
[ 2.270798][ T0] set_memory_x+0xd6/0x110
[ 2.270798][ T0] ? __pfx_set_memory_x+0x10/0x10
[ 2.270798][ T0] apply_retpolines+0x8e9/0x15a0
[ 2.270798][ T0] ? events_sysfs_show+0xdd/0xf0
[ 2.270798][ T0] ? __pfx_apply_retpolines+0x10/0x10
[ 2.270798][ T0] ? events_sysfs_show+0xdd/0xf0
[ 2.270798][ T0] ? events_sysfs_show+0xec/0xf0
[ 2.270798][ T0] ? events_sysfs_show+0xe3/0xf0
[ 2.270798][ T0] ? unregister_die_notifier+0x43/0x50
[ 2.270798][ T0] ? __pfx_int3_selftest+0x10/0x10
[ 2.270798][ T0] alternative_instructions+0x3a/0x100
[ 2.270798][ T0] arch_cpu_finalize_init+0xb2/0x1f0
[ 2.270798][ T0] start_kernel+0x310/0x3e0
[ 2.270798][ T0] x86_64_start_reservations+0x24/0x30
[ 2.270798][ T0] x86_64_start_kernel+0x137/0x1b0
[ 2.270798][ T0] common_startup_64+0x13e/0x157
[ 2.270798][ T0]
[ 2.270798][ T0] Rebooting in 86400 seconds..