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@10.128.1.29" "pwd"]: exit status 255 ssh: connect to host 10.128.1.29 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 086f95b8-7ada-47d5-ae28-d84de4582e6d 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 0x000f27f0: 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 6.15.0-rc2-next-20250417-syzkaller (syzkaller@syzkaller) (Debian clang version 15.0.6, Debian LLD 15.0.6) #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 systeserialport: Connected to syzkaller.us-central1-c.ci-upstream-linux-next-kasan-gce-root-test-1 port 1 (session ID: b51c31589981b6bda8ee30c09e0bc6251d5cfa2db0c98a684fd42299e0735e9e, active connections: 1). m 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 02/12/2025 [ 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 [ 0.000007][ T0] kvm-clock: using sched offset of 4970559227 cycles [ 0.000992][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.004494][ T0] tsc: Detected 2200.208 MHz processor [ 0.010346][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.011557][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.013022][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.014236][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.020822][ T0] found SMP MP-table at [mem 0x000f2ab0-0x000f2abf] [ 0.022620][ T0] Using GB pages for direct mapping [ 0.026489][ T0] ACPI: Early table checksum verification disabled [ 0.027817][ T0] ACPI: RSDP 0x00000000000F2830 000014 (v00 Google) [ 0.029149][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.030783][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.032266][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.034357][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.035271][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.036209][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.037779][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.040156][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.042152][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.043898][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.045185][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.046223][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.047241][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.048258][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.049606][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.050801][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.051934][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.053454][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.054499][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.055485][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.056435][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff] [ 0.058686][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff] [ 0.060832][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB) [ 0.062185][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB) [ 0.063822][ T0] NODE_DATA(0) allocated [mem 0x13fffb400-0x140000fff] [ 0.065913][ T0] NODE_DATA(1) allocated [mem 0x23fff7400-0x23fffcfff] [ 0.108217][ T0] Zone ranges: [ 0.108857][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.110211][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.111208][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.112888][ T0] Device empty [ 0.113499][ T0] Movable zone start for each node [ 0.114273][ T0] Early memory node ranges [ 0.115016][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.116340][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.117869][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff] [ 0.119177][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff] [ 0.120124][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff] [ 0.121464][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff] [ 0.123007][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.124215][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.192325][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.583670][ T0] kasan: KernelAddressSanitizer initialized [ 0.585222][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.586034][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.587025][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.588513][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.589704][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.590963][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.592125][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.593303][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.594514][ T0] CPU topo: Max. logical packages: 1 [ 0.595498][ T0] CPU topo: Max. logical dies: 1 [ 0.596392][ T0] CPU topo: Max. dies per package: 1 [ 0.597146][ T0] CPU topo: Max. threads per core: 2 [ 0.597912][ T0] CPU topo: Num. cores per package: 1 [ 0.598699][ T0] CPU topo: Num. threads per package: 2 [ 0.599499][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.600837][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.602228][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.603490][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xffffffff] [ 0.604972][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.606064][ T0] Booting paravirtualized kernel on KVM [ 0.607371][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.705070][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.707115][ T0] percpu: Embedded 70 pages/cpu s245896 r8192 d32632 u1048576 [ 0.708316][ T0] kvm-guest: PV spinlocks enabled [ 0.709049][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.710198][ 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 panic_on_warn [ 0.714301][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl nbds_max=32 BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.728474][ T0] random: crng init done [ 0.729023][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.730328][ T0] software IO TLB: area num 2. [ 0.759792][ T0] Fallback order for Node 0: 0 1 [ 0.759818][ T0] Fallback order for Node 1: 1 0 [ 0.759832][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 0.762632][ T0] Policy zone: Normal [ 0.763882][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.765044][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.766057][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 1.578803][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.698862][ T0] allocated 167772160 bytes of page_ext [ 1.699915][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.719814][ T0] Node 0, zone DMA32: page owner found early allocated 21222 pages [ 1.732136][ T0] Node 0, zone Normal: page owner found early allocated 0 pages [ 1.746260][ T0] Node 1, zone Normal: page owner found early allocated 19843 pages [ 1.748077][ T0] Kernel/User page tables isolation: enabled [ 1.750419][ T0] Dynamic Preempt: full [ 1.752316][ T0] Running RCU self tests [ 1.753211][ T0] Running RCU synchronous self tests [ 1.754208][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.755228][ T0] rcu: RCU lockdep checking is enabled. [ 1.756128][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.757277][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.758528][ T0] rcu: RCU debug extended QS entry/exit. [ 1.759449][ T0] All grace periods are expedited (rcu_expedited). [ 1.761099][ T0] Trampoline variant of Tasks RCU enabled. [ 1.762248][ T0] Tracing variant of Tasks RCU enabled. [ 1.763203][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.764647][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.765946][ T0] Running RCU synchronous self tests [ 1.766941][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 1.769030][ T0] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 1.915550][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.917741][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.919956][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823be00000-0xffff88823c000000 [ 1.922935][ T0] Console: colour VGA+ 80x25 [ 1.924188][ T0] printk: legacy console [ttyS0] enabled [ 1.924188][ T0] printk: legacy console [ttyS0] enabled [ 1.926264][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.926264][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.928987][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.930341][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.931265][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.932383][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.933897][ T0] ... CLASSHASH_SIZE: 4096 [ 1.934752][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 1.935660][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 1.936745][ T0] ... CHAINHASH_SIZE: 524288 [ 1.937698][ T0] memory used by lock dependency info: 106625 kB [ 1.939214][ T0] memory used for stack traces: 8320 kB [ 1.940327][ T0] per task-struct memory footprint: 1920 bytes [ 1.941887][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.944037][ T0] ACPI: Core revision 20241212 [ 1.945949][ T0] APIC: Switch to symmetric I/O mode setup [ 1.947620][ T0] x2apic enabled [ 1.952235][ T0] APIC: Switched APIC routing to: physical x2apic [ 1.958989][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.960873][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6f76ef03, max_idle_ns: 440795255960 ns [ 1.962913][ T0] Calibrating delay loop (skipped) preset value.. 4400.41 BogoMIPS (lpj=22002080) [ 1.965244][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.972937][ T0] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4 [ 1.974109][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.975908][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 1.977453][ T0] Spectre V2 : Mitigation: IBRS [ 1.978558][ T0] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 1.979949][ T0] RETBleed: Mitigation: IBRS [ 1.980762][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.982982][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 1.984056][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.985662][ T0] MDS: Mitigation: Clear CPU buffers [ 1.986377][ T0] TAA: Mitigation: Clear CPU buffers [ 1.987115][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.988425][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 1.989716][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 1.990960][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 1.992013][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 1.992904][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 2.266423][ T0] Freeing SMP alternatives memory: 132K [ 2.267826][ T0] pid_max: default: 32768 minimum: 301 [ 2.269224][ T0] LSM: initializing lsm=lockdown,capability,landlock,yama,safesetid,tomoyo,apparmor,bpf,ima,evm [ 2.271225][ T0] landlock: Up and running. [ 2.272127][ T0] Yama: becoming mindful. [ 2.273190][ T0] TOMOYO Linux initialized [ 2.274738][ T0] AppArmor: AppArmor initialized [ 2.277094][ T0] LSM support for eBPF active [ 2.283930][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 2.288810][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 2.290987][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.293306][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.300027][ T0] Running RCU synchronous self tests [ 2.301016][ T0] Running RCU synchronous self tests [ 2.424087][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 2.428794][ T9] ------------[ cut here ]------------ [ 2.430239][ T9] WARNING: CPU: 0 PID: 9 at arch/x86/mm/tlb.c:919 switch_mm_irqs_off+0x686/0x810 [ 2.432250][ T9] Modules linked in: [ 2.432863][ T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted 6.15.0-rc2-next-20250417-syzkaller #0 PREEMPT(full) [ 2.432894][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 2.432894][ T9] Workqueue: events once_deferred [ 2.432894][ T9] RIP: 0010:switch_mm_irqs_off+0x686/0x810 [ 2.432894][ T9] Code: 90 41 f7 c5 00 08 00 00 0f 84 ee fa ff ff 90 0f 0b 90 e9 e5 fa ff ff 90 0f 0b 90 e9 76 fe ff ff 90 0f 0b 90 e9 cc fb ff ff 90 <0f> 0b 90 4d 39 f4 0f 85 eb fb ff ff e9 31 fc ff ff 90 0f 0b 90 e9 [ 2.432894][ T9] RSP: 0000:ffffc900000e7680 EFLAGS: 00010056 [ 2.432894][ T9] RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff816f9cdd [ 2.432894][ T9] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88801b070940 [ 2.432894][ T9] RBP: ffffc900000e7750 R08: ffff88801b070947 R09: 1ffff1100360e128 [ 2.432894][ T9] R10: dffffc0000000000 R11: ffffed100360e129 R12: ffffffff8ee49240 [ 2.432894][ T9] R13: ffff88801b070940 R14: ffffffff8ee49240 R15: 0000000000000000 [ 2.432894][ T9] FS: 0000000000000000(0000) GS:ffff888124fa0000(0000) knlGS:0000000000000000 [ 2.432894][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.432894][ T9] CR2: ffff88823ffff000 CR3: 000000001b078000 CR4: 00000000003506f0 [ 2.432894][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2.432894][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2.432894][ T9] Call Trace: [ 2.432894][ T9] <TASK> [ 2.432894][ T9] ? __pfx_switch_mm_irqs_off+0x10/0x10 [ 2.432894][ T9] ? __text_poke+0x6bb/0xb40 [ 2.432894][ T9] ? kasan_check_range+0x28f/0x2a0 [ 2.432894][ T9] ? serial8250_isa_init_ports+0x6b/0x110 [ 2.432894][ T9] unuse_temporary_mm+0x9f/0x100 [ 2.432894][ T9] __text_poke+0x7b6/0xb40 [ 2.432894][ T9] ? serial8250_isa_init_ports+0x6b/0x110 [ 2.432894][ T9] ? __pfx_text_poke_memcpy+0x10/0x10 [ 2.432894][ T9] ? __pfx___text_poke+0x10/0x10 [ 2.432894][ T9] ? __pfx___mutex_trylock_common+0x10/0x10 [ 2.432894][ T9] ? __pfx___might_resched+0x10/0x10 [ 2.432894][ T9] ? rcu_is_watching+0x15/0xb0 [ 2.432894][ T9] smp_text_poke_batch_finish+0x3e7/0x12c0 [ 2.432894][ T9] ? arch_jump_label_transform_apply+0x17/0x30 [ 2.432894][ T9] ? __pfx___mutex_lock+0x10/0x10 [ 2.432894][ T9] ? __pfx_smp_text_poke_batch_finish+0x10/0x10 [ 2.432894][ T9] ? arch_jump_label_transform_queue+0x9b/0x100 [ 2.432894][ T9] ? __jump_label_update+0x387/0x3b0 [ 2.432894][ T9] arch_jump_label_transform_apply+0x1c/0x30 [ 2.432894][ T9] static_key_disable_cpuslocked+0xd2/0x1c0 [ 2.432894][ T9] static_key_disable+0x1a/0x20 [ 2.432894][ T9] once_deferred+0x70/0xb0 [ 2.432894][ T9] ? process_scheduled_works+0x9cb/0x18e0 [ 2.432894][ T9] process_scheduled_works+0xac3/0x18e0 [ 2.432894][ T9] ? __pfx_process_scheduled_works+0x10/0x10 [ 2.432894][ T9] ? assign_work+0x367/0x3d0 [ 2.432894][ T9] worker_thread+0x870/0xd50 [ 2.432894][ T9] ? __kthread_parkme+0x1a8/0x200 [ 2.432894][ T9] ? __pfx_worker_thread+0x10/0x10 [ 2.432894][ T9] kthread+0x7b7/0x940 [ 2.432894][ T9] ? __pfx_worker_thread+0x10/0x10 [ 2.432894][ T9] ? __pfx_kthread+0x10/0x10 [ 2.432894][ T9] ? __pfx_kthread+0x10/0x10 [ 2.432894][ T9] ? __pfx_kthread+0x10/0x10 [ 2.432894][ T9] ? __pfx_kthread+0x10/0x10 [ 2.432894][ T9] ? _raw_spin_unlock_irq+0x23/0x50 [ 2.432894][ T9] ? lockdep_hardirqs_on+0x9d/0x150 [ 2.432894][ T9] ? __pfx_kthread+0x10/0x10 [ 2.432894][ T9] ret_from_fork+0x4b/0x80 [ 2.432894][ T9] ? __pfx_kthread+0x10/0x10 [ 2.432894][ T9] ret_from_fork_asm+0x1a/0x30 [ 2.432894][ T9] </TASK> [ 2.432894][ T9] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 2.432894][ T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted 6.15.0-rc2-next-20250417-syzkaller #0 PREEMPT(full) [ 2.432894][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 2.432894][ T9] Workqueue: events once_deferred [ 2.432894][ T9] Call Trace: [ 2.432894][ T9] <TASK> [ 2.432894][ T9] dump_stack_lvl+0x241/0x360 [ 2.432894][ T9] ? __pfx_dump_stack_lvl+0x10/0x10 [ 2.432894][ T9] ? __pfx__printk+0x10/0x10 [ 2.432894][ T9] ? vscnprintf+0x5d/0x90 [ 2.432894][ T9] panic+0x349/0x880 [ 2.432894][ T9] ? __warn+0x174/0x4d0 [ 2.432894][ T9] ? __pfx_panic+0x10/0x10 [ 2.432894][ T9] ? ret_from_fork_asm+0x1a/0x30 [ 2.432894][ T9] __warn+0x344/0x4d0 [ 2.432894][ T9] ? switch_mm_irqs_off+0x686/0x810 [ 2.432894][ T9] report_bug+0x2b3/0x500 [ 2.432894][ T9] ? switch_mm_irqs_off+0x686/0x810 [ 2.432894][ T9] ? switch_mm_irqs_off+0x686/0x810 [ 2.432894][ T9] ? switch_mm_irqs_off+0x688/0x810 [ 2.432894][ T9] handle_bug+0x89/0x170 [ 2.432894][ T9] exc_invalid_op+0x1a/0x50 [ 2.432894][ T9] asm_exc_invalid_op+0x1a/0x20 [ 2.432894][ T9] RIP: 0010:switch_mm_irqs_off+0x686/0x810 [ 2.432894][ T9] Code: 90 41 f7 c5 00 08 00 00 0f 84 ee fa ff ff 90 0f 0b 90 e9 e5 fa ff ff 90 0f 0b 90 e9 76 fe ff ff 90 0f 0b 90 e9 cc fb ff ff 90 <0f> 0b 90 4d 39 f4 0f 85 eb fb ff ff e9 31 fc ff ff 90 0f 0b 90 e9 [ 2.432894][ T9] RSP: 0000:ffffc900000e7680 EFLAGS: 00010056 [ 2.432894][ T9] RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff816f9cdd [ 2.432894][ T9] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88801b070940 [ 2.432894][ T9] RBP: ffffc900000e7750 R08: ffff88801b070947 R09: 1ffff1100360e128 [ 2.432894][ T9] R10: dffffc0000000000 R11: ffffed100360e129 R12: ffffffff8ee49240 [ 2.432894][ T9] R13: ffff88801b070940 R14: ffffffff8ee49240 R15: 0000000000000000 [ 2.432894][ T9] ? switch_mm_irqs_off+0x26d/0x810 [ 2.432894][ T9] ? __pfx_switch_mm_irqs_off+0x10/0x10 [ 2.432894][ T9] ? __text_poke+0x6bb/0xb40 [ 2.432894][ T9] ? kasan_check_range+0x28f/0x2a0 [ 2.432894][ T9] ? serial8250_isa_init_ports+0x6b/0x110 [ 2.432894][ T9] unuse_temporary_mm+0x9f/0x100 [ 2.432894][ T9] __text_poke+0x7b6/0xb40 [ 2.432894][ T9] ? serial8250_isa_init_ports+0x6b/0x110 [ 2.432894][ T9] ? __pfx_text_poke_memcpy+0x10/0x10 [ 2.432894][ T9] ? __pfx___text_poke+0x10/0x10 [ 2.432894][ T9] ? __pfx___mutex_trylock_common+0x10/0x10 [ 2.432894][ T9] ? __pfx___might_resched+0x10/0x10 [ 2.432894][ T9] ? rcu_is_watching+0x15/0xb0 [ 2.432894][ T9] smp_text_poke_batch_finish+0x3e7/0x12c0 [ 2.432894][ T9] ? arch_jump_label_transform_apply+0x17/0x30 [ 2.432894][ T9] ? __pfx___mutex_lock+0x10/0x10 [ 2.432894][ T9] ? __pfx_smp_text_poke_batch_finish+0x10/0x10 [ 2.432894][ T9] ? arch_jump_label_transform_queue+0x9b/0x100 [ 2.432894][ T9] ? __jump_label_update+0x387/0x3b0 [ 2.432894][ T9] arch_jump_label_transform_apply+0x1c/0x30 [ 2.432894][ T9] static_key_disable_cpuslocked+0xd2/0x1c0 [ 2.432894][ T9] static_key_disable+0x1a/0x20 [ 2.432894][ T9] once_deferred+0x70/0xb0 [ 2.432894][ T9] ? process_scheduled_works+0x9cb/0x18e0 [ 2.432894][ T9] process_scheduled_works+0xac3/0x18e0 [ 2.432894][ T9] ? __pfx_process_scheduled_works+0x10/0x10 [ 2.432894][ T9] ? assign_work+0x367/0x3d0 [ 2.432894][ T9] worker_thread+0x870/0xd50 [ 2.432894][ T9] ? __kthread_parkme+0x1a8/0x200 [ 2.432894][ T9] ? __pfx_worker_thread+0x10/0x10 [ 2.432894][ T9] kthread+0x7b7/0x940 [ 2.432894][ T9] ? __pfx_worker_thread+0x10/0x10 [ 2.432894][ T9] ? __pfx_kthread+0x10/0x10 [ 2.432894][ T9] ? __pfx_kthread+0x10/0x10 [ 2.432894][ T9] ? __pfx_kthread+0x10/0x10 [ 2.432894][ T9] ? __pfx_kthread+0x10/0x10 [ 2.432894][ T9] ? _raw_spin_unlock_irq+0x23/0x50 [ 2.432894][ T9] ? lockdep_hardirqs_on+0x9d/0x150 [ 2.432894][ T9] ? __pfx_kthread+0x10/0x10 [ 2.432894][ T9] ret_from_fork+0x4b/0x80 [ 2.432894][ T9] ? __pfx_kthread+0x10/0x10 [ 2.432894][ T9] ret_from_fork_asm+0x1a/0x30 [ 2.432894][ T9] </TASK> [ 2.432894][ T9] Rebooting in 86400 seconds..