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@10.128.1.78" "pwd"]: exit status 255 ssh: connect to host 10.128.1.78 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. 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 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 6.11.0-rc1-next-20240802-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][ serialport: Connected to syzkaller.us-central1-c.ci-upstream-linux-next-kasan-gce-root-test-0 port 1 (session ID: d799f7b7043bc4a45fd893afebc034583e6b83c4091441f23e664f5653ea0000, active connections: 1). 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 [ 0.000005][ T0] kvm-clock: using sched offset of 4443873386 cycles [ 0.000812][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.003164][ T0] tsc: Detected 2200.160 MHz processor [ 0.007940][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.008841][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.010030][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.011108][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.018321][ T0] found SMP MP-table at [mem 0x000f2a50-0x000f2a5f] [ 0.019243][ T0] Using GB pages for direct mapping [ 0.023701][ T0] ACPI: Early table checksum verification disabled [ 0.024618][ T0] ACPI: RSDP 0x00000000000F27D0 000014 (v00 Google) [ 0.025499][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.026786][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.028055][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.029292][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.030007][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.030722][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.031988][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.033211][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.034446][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.035680][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.036713][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.037742][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.038856][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.039895][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.040909][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.041952][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.042966][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.044084][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.044768][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.045468][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.046399][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.047317][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.048238][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.049685][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.051207][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.052323][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.053826][ T0] NODE_DATA(0) allocated [mem 0x13fffa000-0x13fffffff] [ 0.055176][ T0] NODE_DATA(1) allocated [mem 0x23fff7000-0x23fffcfff] [ 0.094684][ T0] Zone ranges: [ 0.095208][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.096117][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.097074][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.098081][ T0] Device empty [ 0.098563][ T0] Movable zone start for each node [ 0.099216][ T0] Early memory node ranges [ 0.099781][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.100710][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.101624][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.102537][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.103511][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.104568][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.105652][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.106886][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.174666][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.546274][ T0] kasan: KernelAddressSanitizer initialized [ 0.547616][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.548426][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.549394][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.550490][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.551560][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.552658][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.553816][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.554848][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.555915][ T0] CPU topo: Max. logical packages: 1 [ 0.556705][ T0] CPU topo: Max. logical dies: 1 [ 0.557661][ T0] CPU topo: Max. dies per package: 1 [ 0.558649][ T0] CPU topo: Max. threads per core: 2 [ 0.559413][ T0] CPU topo: Num. cores per package: 1 [ 0.560199][ T0] CPU topo: Num. threads per package: 2 [ 0.560963][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.562083][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.563359][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.564462][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.565648][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.566802][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.567883][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.569040][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.570194][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.571115][ T0] Booting paravirtualized kernel on KVM [ 0.571858][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.719104][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.721100][ T0] percpu: Embedded 74 pages/cpu s264520 r8192 d30392 u1048576 [ 0.722287][ T0] kvm-guest: PV spinlocks enabled [ 0.722979][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.724182][ 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 [ 0.737787][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.739616][ T0] random: crng init done [ 0.740369][ T0] Fallback order for Node 0: 0 1 [ 0.740399][ T0] Fallback order for Node 1: 1 0 [ 0.740414][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 0.742774][ T0] Policy zone: Normal [ 0.743970][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.744970][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.745962][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.751899][ T0] software IO TLB: area num 2. [ 1.790711][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.913183][ T0] allocated 167772160 bytes of page_ext [ 1.914185][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.929562][ T0] Node 0, zone DMA32: page owner found early allocated 20582 pages [ 1.941819][ T0] Node 0, zone Normal: page owner found early allocated 0 pages [ 1.952726][ T0] Node 1, zone Normal: page owner found early allocated 20483 pages [ 1.954502][ T0] Kernel/User page tables isolation: enabled [ 1.956777][ T0] Dynamic Preempt: full [ 1.958692][ T0] Running RCU self tests [ 1.959297][ T0] Running RCU synchronous self tests [ 1.960052][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.961025][ T0] rcu: RCU lockdep checking is enabled. [ 1.961732][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.962689][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.963682][ T0] rcu: RCU debug extended QS entry/exit. [ 1.964413][ T0] All grace periods are expedited (rcu_expedited). [ 1.965254][ T0] Trampoline variant of Tasks RCU enabled. [ 1.966020][ T0] Tracing variant of Tasks RCU enabled. [ 1.966751][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.967832][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.968989][ T0] Running RCU synchronous self tests [ 1.969706][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1. [ 1.970868][ T0] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1. [ 2.077565][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 2.079736][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 2.081376][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823bc00000-0xffff88823be00000 [ 2.084110][ T0] Console: colour VGA+ 80x25 [ 2.085039][ T0] printk: legacy console [ttyS0] enabled [ 2.085039][ T0] printk: legacy console [ttyS0] enabled [ 2.086549][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.086549][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.088343][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 2.089512][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.090299][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.091030][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.091902][ T0] ... CLASSHASH_SIZE: 4096 [ 2.092622][ T0] ... MAX_LOCKDEP_ENTRIES: 131072 [ 2.093399][ T0] ... MAX_LOCKDEP_CHAINS: 262144 [ 2.094117][ T0] ... CHAINHASH_SIZE: 131072 [ 2.094863][ T0] memory used by lock dependency info: 20721 kB [ 2.095720][ T0] memory used for stack traces: 8320 kB [ 2.096494][ T0] per task-struct memory footprint: 1920 bytes [ 2.097559][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 2.099323][ T0] ACPI: Core revision 20240322 [ 2.100988][ T0] APIC: Switch to symmetric I/O mode setup [ 2.102247][ T0] x2apic enabled [ 2.105990][ T0] APIC: Switched APIC routing to: physical x2apic [ 2.112187][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 2.113475][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6ca015d2, max_idle_ns: 440795299259 ns [ 2.115173][ T0] Calibrating delay loop (skipped) preset value.. 4400.32 BogoMIPS (lpj=22001600) [ 2.117098][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 2.118045][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 2.119376][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.120919][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 2.125207][ T0] Spectre V2 : Mitigation: IBRS [ 2.125945][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 2.127184][ T0] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 2.128224][ T0] RETBleed: Mitigation: IBRS [ 2.129030][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 2.130281][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 2.131268][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.132594][ T0] MDS: Mitigation: Clear CPU buffers [ 2.133306][ T0] TAA: Mitigation: Clear CPU buffers [ 2.135250][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 2.136446][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 2.137626][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 2.138650][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 2.139607][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 2.140596][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 2.378022][ T0] Freeing SMP alternatives memory: 128K [ 2.378820][ T0] pid_max: default: 32768 minimum: 301 [ 2.380169][ T0] LSM: initializing lsm=lockdown,capability,landlock,yama,safesetid,tomoyo,apparmor,bpf,ima,evm [ 2.381833][ T0] landlock: Up and running. [ 2.382462][ T0] Yama: becoming mindful. [ 2.383288][ T0] TOMOYO Linux initialized [ 2.384412][ T0] AppArmor: AppArmor initialized [ 2.385194][ T0] LSM support for eBPF active [ 2.391862][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 2.396078][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 2.397956][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.399462][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.405784][ T0] Running RCU synchronous self tests [ 2.406537][ T0] Running RCU synchronous self tests [ 2.528464][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 2.535106][ T1] Running RCU Tasks wait API self tests [ 2.635663][ T1] Running RCU Tasks Trace wait API self tests [ 2.636849][ T1] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only. [ 2.638372][ T1] signal: max sigframe size: 1776 [ 2.639835][ T1] rcu: Hierarchical SRCU implementation. [ 2.640646][ T1] rcu: Max phase no-delay instances is 1000. [ 2.642525][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level [ 2.650717][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.652870][ T1] smp: Bringing up secondary CPUs ... [ 2.656324][ T1] smpboot: x86: Booting SMP configuration: [ 2.657268][ T1] .... node #0, CPUs: #1 [ 2.657496][ T15] Callback from call_rcu_tasks_trace() invoked. [ 2.659326][ T1] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 2.659326][ T1] TAA CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/tsx_async_abort.html for more details. [ 2.665225][ T1] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details. [ 2.668027][ T1] smp: Brought up 2 nodes, 2 CPUs [ 2.668728][ T1] smpboot: Total of 2 processors activated (8800.64 BogoMIPS) [ 2.670880][ T1] Memory: 6558772K/8388204K available (180224K kernel code, 28305K rwdata, 37128K rodata, 26492K init, 35752K bss, 1639356K reserved, 0K cma-reserved) [ 2.676867][ T1] devtmpfs: initialized [ 2.676867][ T1] x86/mm: Memory block size: 128MB [ 2.717197][ T1] Running RCU synchronous self tests [ 2.717197][ T1] Running RCU synchronous self tests [ 2.717503][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.717503][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 2.725189][ T1] PM: RTC time: 11:49:28, date: 2024-08-03 [ 2.745688][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.749289][ T1] audit: initializing netlink subsys (disabled) [ 2.755705][ T29] audit: type=2000 audit(1722685768.864:1): state=initialized audit_enabled=0 res=1 [ 2.758856][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.758856][ T1] thermal_sys: Registered thermal governor 'user_space' [ 2.758895][ T1] cpuidle: using governor menu [ 2.758895][ T1] NET: Registered PF_QIPCRTR protocol family [ 2.762125][ T1] dca service started, version 1.12.1 [ 2.765383][ T1] PCI: Using configuration type 1 for base access [ 2.795409][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 2.796574][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 2.797760][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 2.798856][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 2.825232][ T1] cryptd: max_cpu_qlen set to 1000 [ 2.838884][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 2.839829][ T1] raid6: using avx2x2 recovery algorithm [ 2.843502][ T1] ACPI: Added _OSI(Module Device) [ 2.844235][ T1] ACPI: Added _OSI(Processor Device) [ 2.845015][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 2.845191][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 2.865753][ T14] Callback from call_rcu_tasks() invoked. [ 3.054985][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.123540][ T1] ACPI: Interpreter enabled [ 3.125018][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 3.125217][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.126607][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.128210][ T1] PCI: Ignoring E820 reservations for host bridge windows [ 3.136406][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 3.416248][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.417781][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 3.419084][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 3.421626][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 3.447611][ T1] PCI host bridge to bus 0000:00 [ 3.448398][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 3.449926][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.451024][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.452092][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.453252][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 3.454530][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.455678][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint [ 3.463160][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 conventional PCI endpoint [ 3.488528][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint [ 3.506473][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 3.513582][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 conventional PCI endpoint [ 3.521929][ T1] pci 0000:00:03.0: BAR 0 [io 0xc000-0xc03f] [ 3.527554][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfe800000-0xfe80007f] [ 3.550279][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint [ 3.558794][ T1] pci 0000:00:04.0: BAR 0 [io 0xc040-0xc07f] [ 3.564533][ T1] pci 0000:00:04.0: BAR 1 [mem 0xfe801000-0xfe80107f] [ 3.583499][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 conventional PCI endpoint [ 3.594222][ T1] pci 0000:00:05.0: BAR 0 [mem 0xfe000000-0xfe7fffff] [ 3.615955][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 3.623992][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 conventional PCI endpoint [ 3.632203][ T1] pci 0000:00:06.0: BAR 0 [io 0xc080-0xc09f] [ 3.638424][ T1] pci 0000:00:06.0: BAR 1 [mem 0xfe802000-0xfe80207f] [ 3.660477][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 3.668910][ T1] pci 0000:00:07.0: BAR 0 [io 0xc0a0-0xc0bf] [ 3.675181][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfe803000-0xfe80303f] [ 3.736414][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 3.745616][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 3.754651][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 3.763783][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 3.769219][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 3.797093][ T1] iommu: Default domain type: Translated [ 3.798177][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 3.807987][ T1] SCSI subsystem initialized [ 3.809455][ T1] ACPI: bus type USB registered [ 3.809455][ T1] usbcore: registered new interface driver usbfs [ 3.810746][ T1] usbcore: registered new interface driver hub [ 3.812633][ T1] usbcore: registered new device driver usb [ 3.816719][ T1] mc: Linux media interface: v0.10 [ 3.818221][ T1] videodev: Linux video capture interface: v2.00 [ 3.820387][ T1] pps_core: LinuxPPS API ver. 1 registered [ 3.821292][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 3.822845][ T1] PTP clock support registered [ 3.830287][ T1] EDAC MC: Ver: 3.0.0 [ 3.835180][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 3.843403][ T1] Bluetooth: Core ver 2.22 [ 3.845354][ T1] NET: Registered PF_BLUETOOTH protocol family [ 3.846240][ T1] Bluetooth: HCI device and connection manager initialized [ 3.847469][ T1] Bluetooth: HCI socket layer initialized [ 3.848668][ T1] Bluetooth: L2CAP socket layer initialized [ 3.849744][ T1] Bluetooth: SCO socket layer initialized [ 3.850812][ T1] NET: Registered PF_ATMPVC protocol family [ 3.851634][ T1] NET: Registered PF_ATMSVC protocol family [ 3.853132][ T1] NetLabel: Initializing [ 3.853799][ T1] NetLabel: domain hash size = 128 [ 3.854564][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 3.855916][ T1] NetLabel: unlabeled traffic allowed by default [ 3.860315][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 3.861772][ T1] NET: Registered PF_NFC protocol family [ 3.862836][ T1] PCI: Using ACPI for IRQ routing [ 3.865315][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 3.866592][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 3.867654][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 3.869194][ T1] vgaarb: loaded [ 3.875162][ T1] clocksource: Switched to clocksource kvm-clock [ 3.883963][ T1] VFS: Disk quotas dquot_6.6.0 [ 3.884966][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 3.891987][ T1] netfs: FS-Cache loaded [ 3.894780][ T1] CacheFiles: Loaded [ 3.896644][ T1] TOMOYO: 2.6.0 [ 3.897383][ T1] Mandatory Access Control activated. [ 3.905078][ T1] AppArmor: AppArmor Filesystem Enabled [ 3.906847][ T1] pnp: PnP ACPI init [ 3.945487][ T1] pnp: PnP ACPI: found 7 devices [ 4.044080][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.063648][ T1] NET: Registered PF_INET protocol family [ 4.070986][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 4.084767][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes, vmalloc) [ 4.088478][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 4.093028][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 4.106067][ T1] TCP bind hash table entries: 65536 (order: 11, 9437184 bytes, vmalloc hugepage) [ 4.120757][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 4.127762][ T1] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, vmalloc) [ 4.134092][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 4.139928][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 4.143449][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 4.158888][ T1] RPC: Registered named UNIX socket transport module. [ 4.159960][ T1] RPC: Registered udp transport module. [ 4.160925][ T1] RPC: Registered tcp transport module. [ 4.161759][ T1] RPC: Registered tcp-with-tls transport module. [ 4.162806][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.167889][ T1] NET: Registered PF_XDP protocol family [ 4.168871][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 4.169915][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 4.171119][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 4.172277][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 4.175584][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 4.176884][ T1] PCI: CLS 0 bytes, default 64 [ 4.184789][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 4.185941][ T1] software IO TLB: mapped [mem 0x00000000b5200000-0x00000000b9200000] (64MB) [ 4.187415][ T1] ACPI: bus type thunderbolt registered [ 4.196947][ T63] kworker/u8:2 (63) used greatest stack depth: 26936 bytes left [ 4.198272][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 4.226706][ T1] kvm_amd: CPU 1 isn't AMD or Hygon [ 4.227529][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb6ca015d2, max_idle_ns: 440795299259 ns [ 4.229701][ T1] clocksource: Switched to clocksource tsc [ 4.255626][ T70] kworker/u8:2 (70) used greatest stack depth: 24944 bytes left [ 6.169736][ T1] Initialise system trusted keyrings [ 6.173454][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 6.179832][ T1] DLM installed [ 6.183456][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 6.189408][ T1] NFS: Registering the id_resolver key type [ 6.190379][ T1] Key type id_resolver registered [ 6.191191][ T1] Key type id_legacy registered [ 6.191979][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 6.193082][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 6.203740][ T1] Key type cifs.spnego registered [ 6.205146][ T1] Key type cifs.idmap registered [ 6.206190][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 6.207072][ T1] ntfs3: Read-only LZX/Xpress compression included [ 6.208315][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 6.209347][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 6.212316][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 6.213255][ T1] QNX4 filesystem 0.2.3 registered. [ 6.214013][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 6.215815][ T1] fuse: init (API version 7.40) [ 6.219167][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 6.221119][ T1] orangefs_init: module version upstream loaded [ 6.222599][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 6.249711][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 6.254049][ T1] 9p: Installing v9fs 9p2000 file system support [ 6.256087][ T1] NILFS version 2 loaded [ 6.257275][ T1] befs: version: 0.9.3 [ 6.258250][ T1] ocfs2: Registered cluster interface o2cb [ 6.259727][ T1] ocfs2: Registered cluster interface user [ 6.261082][ T1] OCFS2 User DLM kernel interface loaded [ 6.276699][ T1] gfs2: GFS2 installed [ 6.288197][ T1] ceph: loaded (mds proto 32) [ 6.312304][ T1] NET: Registered PF_ALG protocol family [ 6.313387][ T1] xor: automatically using best checksumming function avx [ 6.314665][ T1] async_tx: api initialized (async) [ 6.315423][ T1] Key type asymmetric registered [ 6.316223][ T1] Asymmetric key parser 'x509' registered [ 6.317038][ T1] Asymmetric key parser 'pkcs8' registered [ 6.317828][ T1] Key type pkcs7_test registered [ 6.318985][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 238) [ 6.321081][ T1] io scheduler mq-deadline registered [ 6.321925][ T1] io scheduler kyber registered [ 6.322800][ T1] io scheduler bfq registered [ 6.333101][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 6.345200][ T1] ACPI: button: Power Button [PWRF] [ 6.347374][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 6.349867][ T1] ACPI: button: Sleep Button [SLPF] [ 6.361137][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 6.384054][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 6.385198][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 6.410994][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 6.411847][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 6.435477][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 6.436339][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 6.453556][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 6.968746][ T1] N_HDLC line discipline registered with maxframe=4096 [ 6.970027][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 6.977065][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 6.990062][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 6.999959][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 7.010578][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 7.030200][ T1] Non-volatile memory driver v1.3 [ 7.042552][ C1] ------------[ cut here ]------------ [ 7.043514][ T1] Linux agpgart interface v0.103 [ 7.043589][ C1] WARNING: CPU: 1 PID: 24 at mm/slub.c:4550 slab_free_after_rcu_debug+0x18b/0x270 [ 7.043640][ C1] Modules linked in: [ 7.043668][ C1] CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.11.0-rc1-next-20240802-syzkaller #0 [ 7.043687][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 7.043707][ C1] RIP: 0010:slab_free_after_rcu_debug+0x18b/0x270 [ 7.043727][ C1] Code: 48 89 04 19 48 8d 4a 08 49 8b 34 24 65 48 0f c7 0e 75 c8 4c 89 f7 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d e9 36 55 ff ff 90 <0f> 0b 90 eb 92 90 0f 0b 90 eb 8c 90 0f 0b 90 eb 86 41 8b 54 24 1c [ 7.043744][ C1] RSP: 0000:ffffc900001e7a00 EFLAGS: 00010286 [ 7.043758][ C1] RAX: ffff88823bc00000 RBX: ffff88802005c0c0 RCX: 0000000000034fe0 [ 7.043771][ C1] RDX: ffffea0000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 7.043782][ C1] RBP: ffffc900001e7c70 R08: ffffffff8142b2ec R09: 1ffffffff26e8ce3 [ 7.043794][ C1] R10: dffffc0000000000 R11: ffffffff81f0bb80 R12: dffffc0000000000 [ 7.043807][ C1] R13: ffffffff817bd996 R14: ffff88823bc34fe0 R15: ffffea0000801600 [ 7.043820][ C1] FS: 0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 [ 7.043834][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.043846][ C1] CR2: 0000000000000000 CR3: 000000000e734000 CR4: 00000000003506f0 [ 7.043860][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7.043869][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7.043880][ C1] Call Trace: [ 7.043886][ C1] [ 7.043894][ C1] ? __warn+0x168/0x4e0 [ 7.043913][ C1] ? slab_free_after_rcu_debug+0x18b/0x270 [ 7.043935][ C1] ? report_bug+0x2b3/0x500 [ 7.043954][ C1] ? slab_free_after_rcu_debug+0x18b/0x270 [ 7.043978][ C1] ? handle_bug+0x3e/0x70 [ 7.043996][ C1] ? exc_invalid_op+0x1a/0x50 [ 7.044015][ C1] ? asm_exc_invalid_op+0x1a/0x20 [ 7.044036][ C1] ? rcu_core+0xa86/0x1830 [ 7.044052][ C1] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 7.044072][ C1] ? __phys_addr+0xac/0x170 [ 7.044092][ C1] ? slab_free_after_rcu_debug+0x18b/0x270 [ 7.044114][ C1] ? rcu_core+0xa86/0x1830 [ 7.044127][ C1] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 7.044146][ C1] rcu_core+0xafd/0x1830 [ 7.044191][ C1] ? __pfx_rcu_core+0x10/0x10 [ 7.044205][ C1] ? run_ksoftirqd+0xca/0x130 [ 7.044232][ C1] ? rcu_qs+0xf1/0x190 [ 7.044247][ C1] ? __pfx_rcu_qs+0x10/0x10 [ 7.044386][ C1] ? sched_clock_cpu+0x1ae/0x490 [ 7.044416][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 7.044446][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 7.044484][ C1] handle_softirqs+0x2c4/0x970 [ 7.044513][ C1] ? run_ksoftirqd+0xca/0x130 [ 7.044543][ C1] ? __pfx_handle_softirqs+0x10/0x10 [ 7.044577][ C1] run_ksoftirqd+0xca/0x130 [ 7.044603][ C1] ? __pfx_run_ksoftirqd+0x10/0x10 [ 7.044640][ C1] ? __pfx_run_ksoftirqd+0x10/0x10 [ 7.044663][ C1] smpboot_thread_fn+0x544/0xa30 [ 7.044687][ C1] ? smpboot_thread_fn+0x4e/0xa30 [ 7.044715][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 7.044737][ C1] kthread+0x2f0/0x390 [ 7.044753][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 7.044774][ C1] ? __pfx_kthread+0x10/0x10 [ 7.044791][ C1] ret_from_fork+0x4b/0x80 [ 7.044814][ C1] ? __pfx_kthread+0x10/0x10 [ 7.044830][ C1] ret_from_fork_asm+0x1a/0x30 [ 7.044865][ C1] [ 7.044874][ C1] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 7.044889][ C1] CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.11.0-rc1-next-20240802-syzkaller #0 [ 7.044915][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 7.044926][ C1] Call Trace: [ 7.044932][ C1] [ 7.044940][ C1] dump_stack_lvl+0x241/0x360 [ 7.044963][ C1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 7.044982][ C1] ? __pfx__printk+0x10/0x10 [ 7.045007][ C1] ? vscnprintf+0x5d/0x90 [ 7.045030][ C1] panic+0x349/0x880 [ 7.045050][ C1] ? __warn+0x177/0x4e0 [ 7.045068][ C1] ? __pfx_panic+0x10/0x10 [ 7.045095][ C1] ? ret_from_fork_asm+0x1a/0x30 [ 7.045123][ C1] __warn+0x34b/0x4e0 [ 7.045141][ C1] ? slab_free_after_rcu_debug+0x18b/0x270 [ 7.045172][ C1] report_bug+0x2b3/0x500 [ 7.045187][ C1] ? slab_free_after_rcu_debug+0x18b/0x270 [ 7.045212][ C1] handle_bug+0x3e/0x70 [ 7.045231][ C1] exc_invalid_op+0x1a/0x50 [ 7.045252][ C1] asm_exc_invalid_op+0x1a/0x20 [ 7.045272][ C1] RIP: 0010:slab_free_after_rcu_debug+0x18b/0x270 [ 7.045292][ C1] Code: 48 89 04 19 48 8d 4a 08 49 8b 34 24 65 48 0f c7 0e 75 c8 4c 89 f7 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d e9 36 55 ff ff 90 <0f> 0b 90 eb 92 90 0f 0b 90 eb 8c 90 0f 0b 90 eb 86 41 8b 54 24 1c [ 7.045306][ C1] RSP: 0000:ffffc900001e7a00 EFLAGS: 00010286 [ 7.045322][ C1] RAX: ffff88823bc00000 RBX: ffff88802005c0c0 RCX: 0000000000034fe0 [ 7.045336][ C1] RDX: ffffea0000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 7.045348][ C1] RBP: ffffc900001e7c70 R08: ffffffff8142b2ec R09: 1ffffffff26e8ce3 [ 7.045361][ C1] R10: dffffc0000000000 R11: ffffffff81f0bb80 R12: dffffc0000000000 [ 7.045375][ C1] R13: ffffffff817bd996 R14: ffff88823bc34fe0 R15: ffffea0000801600 [ 7.045389][ C1] ? rcu_core+0xa86/0x1830 [ 7.045406][ C1] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 7.045426][ C1] ? __phys_addr+0xac/0x170 [ 7.045451][ C1] ? rcu_core+0xa86/0x1830 [ 7.045466][ C1] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 7.045486][ C1] rcu_core+0xafd/0x1830 [ 7.045515][ C1] ? __pfx_rcu_core+0x10/0x10 [ 7.045531][ C1] ? run_ksoftirqd+0xca/0x130 [ 7.045557][ C1] ? rcu_qs+0xf1/0x190 [ 7.045573][ C1] ? __pfx_rcu_qs+0x10/0x10 [ 7.045589][ C1] ? sched_clock_cpu+0x1ae/0x490 [ 7.045614][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 7.045641][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 7.045675][ C1] handle_softirqs+0x2c4/0x970 [ 7.045701][ C1] ? run_ksoftirqd+0xca/0x130 [ 7.045730][ C1] ? __pfx_handle_softirqs+0x10/0x10 [ 7.045761][ C1] run_ksoftirqd+0xca/0x130 [ 7.045785][ C1] ? __pfx_run_ksoftirqd+0x10/0x10 [ 7.045818][ C1] ? __pfx_run_ksoftirqd+0x10/0x10 [ 7.045840][ C1] smpboot_thread_fn+0x544/0xa30 [ 7.045864][ C1] ? smpboot_thread_fn+0x4e/0xa30 [ 7.045893][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 7.045916][ C1] kthread+0x2f0/0x390 [ 7.045933][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 7.045954][ C1] ? __pfx_kthread+0x10/0x10 [ 7.045972][ C1] ret_from_fork+0x4b/0x80 [ 7.045995][ C1] ? __pfx_kthread+0x10/0x10 [ 7.054368][ C1] ret_from_fork_asm+0x1a/0x30 [ 7.054368][ C1] [ 7.054368][ C1] Kernel Offset: disabled [ 7.054368][ C1] Rebooting in 86400 seconds..