KMSAN: use-after-free in scsi_get_vpd_buf scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 ===================================================== BUG: KMSAN: use-after-free in scsi_vpd_inquiry drivers/scsi/scsi.c:323 [inline] BUG: KMSAN: use-after-free in scsi_get_vpd_buf+0x4cc/0x720 drivers/scsi/scsi.c:455 scsi_vpd_inquiry drivers/scsi/scsi.c:323 [inline] scsi_get_vpd_buf+0x4cc/0x720 drivers/scsi/scsi.c:455 scsi_update_vpd_page drivers/scsi/scsi.c:479 [inline] scsi_attach_vpd+0x974/0xe70 drivers/scsi/scsi.c:529 scsi_add_lun drivers/scsi/scsi_scan.c:1110 [inline] scsi_probe_and_add_lun+0x6933/0x7f20 drivers/scsi/scsi_scan.c:1288 __scsi_scan_target+0x2fb/0x2050 drivers/scsi/scsi_scan.c:1776 scsi_scan_channel drivers/scsi/scsi_scan.c:1864 [inline] scsi_scan_host_selected+0x68f/0x9a0 drivers/scsi/scsi_scan.c:1893 do_scsi_scan_host drivers/scsi/scsi_scan.c:2032 [inline] do_scan_async+0x1ad/0xdc0 drivers/scsi/scsi_scan.c:2042 async_run_entry_fn+0x90/0x570 kernel/async.c:129 process_one_work kernel/workqueue.c:3263 [inline] process_scheduled_works+0xb91/0x1d80 kernel/workqueue.c:3346 worker_thread+0xedf/0x1590 kernel/workqueue.c:3427 kthread+0xd59/0xf00 kernel/kthread.c:463 ret_from_fork+0x230/0x380 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Uninit was created at: slab_free_hook mm/slub.c:2440 [inline] slab_free mm/slub.c:6566 [inline] kfree+0x254/0x1460 mm/slub.c:6773 call_usermodehelper_freeinfo kernel/umh.c:43 [inline] umh_complete kernel/umh.c:57 [inline] call_usermodehelper_exec_async+0x666/0x6f0 kernel/umh.c:119 ret_from_fork+0x230/0x380 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 CPU: 1 UID: 0 PID: 35 Comm: kworker/u8:2 Not tainted syzkaller #0 PREEMPT(none) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Workqueue: async async_run_entry_fn ===================================================== 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@10.128.1.137" "pwd"]: exit status 255Pseudo-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 98244c28-997c-d970-fe51-cafe56332c7d 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 syzkaller (syzkaller@syzkaller) (Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8) #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] 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] 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] SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 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 [ 0.000005][ T0] kvm-clock: using sched offset of 6481799862 cycles [ 0.000957][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.004058][ T0] tsc: Detected 2200.158 MHz processor [ 0.013085][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.014631][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.016539][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.017937][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.025452][ T0] found SMP MP-table at [mem 0x000f2ab0-0x000f2abf] [ 0.026447][ T0] Using GB pages for direct mapping [ 0.031067][ T0] ACPI: Early table checksum verification disabled [ 0.032198][ T0] ACPI: RSDP 0x00000000000F2830 000014 (v00 Google) [ 0.033724][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.035855][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.037205][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.038543][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.039451][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.040461][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.041725][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.043108][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.044352][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.045606][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.046826][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.048065][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.049479][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.050591][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.051622][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.052778][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.053959][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.055221][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.056160][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.057117][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.058032][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff] [ 0.059529][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff] [ 0.061043][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB) [ 0.062225][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB) [ 0.063676][ T0] NODE_DATA(0) allocated [mem 0x13fffbac0-0x140000fff] [ 0.065606][ T0] NODE_DATA(1) allocated [mem 0x23fff7ac0-0x23fffcfff] [ 0.087886][ T0] Zone ranges: [ 0.088452][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.089405][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.090344][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.091300][ T0] Device empty [ 0.091800][ T0] Movable zone start for each node [ 0.092457][ T0] Early memory node ranges [ 0.093144][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.094171][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.095348][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff] [ 0.096528][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff] [ 0.097492][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff] [ 0.098611][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff] [ 0.100139][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.101498][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.198000][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.294726][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.295818][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.296808][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.298097][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.299408][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.300623][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.301776][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.302960][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.304466][ T0] CPU topo: Max. logical packages: 1 [ 0.305273][ T0] CPU topo: Max. logical dies: 1 [ 0.306834][ T0] CPU topo: Max. dies per package: 1 [ 0.307862][ T0] CPU topo: Max. threads per core: 2 [ 0.309394][ T0] CPU topo: Num. cores per package: 1 [ 0.310201][ T0] CPU topo: Num. threads per package: 2 [ 0.311331][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.312740][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.314087][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.315470][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xffffffff] [ 0.316919][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.318338][ T0] Booting paravirtualized kernel on KVM [ 0.319544][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.322007][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.324321][ T0] percpu: Embedded 174 pages/cpu s672776 r8192 d31736 u1048576 [ 0.325832][ 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 comedi.comedi [ 0.341182][ T0] Unknown kernel command line parameters "page_owner=on watchdog_thresh=55 nbds_max=32", will be passed to user space. [ 0.359778][ T0] random: crng init done [ 0.360832][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.362415][ T0] software IO TLB: area num 2. [ 0.385827][ T0] Fallback order for Node 0: 0 1 [ 0.385875][ T0] Fallback order for Node 1: 1 0 [ 0.385892][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 0.388835][ T0] Policy zone: Normal [ 0.389371][ T0] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.720895][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.722686][ T0] stackdepot hash table entries: 524288 (order: 11, 8388608 bytes, linear) [ 0.726496][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 0.769151][ T0] ********************************************************** [ 0.770758][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.772235][ T0] ** ** [ 0.773598][ T0] ** This system shows unhashed kernel memory addresses ** [ 0.775076][ T0] ** via the console, logs, and other interfaces. This ** [ 0.776303][ T0] ** might reduce the security of your system. ** [ 0.777524][ T0] ** ** [ 0.778792][ T0] ** If you see this message and you are not debugging ** [ 0.779803][ T0] ** the kernel, report this immediately to your system ** [ 0.781063][ T0] ** administrator! ** [ 0.782121][ T0] ** ** [ 0.783375][ T0] ** Use hash_pointers=always to force this mode off ** [ 0.784609][ T0] ** ** [ 0.786083][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.787122][ T0] ********************************************************** [ 0.789836][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 0.790934][ T0] Kernel/User page tables isolation: enabled [ 0.792598][ T0] Starting KernelMemorySanitizer [ 0.793495][ T0] ATTENTION: KMSAN is a debugging tool! Do not use it on production machines! [ 0.853082][ T0] Dynamic Preempt: none [ 0.857019][ T0] rcu: Preemptible hierarchical RCU implementation. [ 0.858378][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 0.859717][ T0] All grace periods are expedited (rcu_expedited). [ 0.860786][ T0] Trampoline variant of Tasks RCU enabled. [ 0.862111][ T0] Tracing variant of Tasks RCU enabled. [ 0.863171][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.864799][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 0.866589][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 0.868485][ T0] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 1.267974][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.273853][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.277364][ serialport: Connected to syzkaller.us-central1-c.ci-upstream-kmsan-gce-root-test-job-parallel-2 port 1 (session ID: d1262c1d7480be0373542475eb233c1b58bdefdd62714463e69ab50e3c406975, active connections: 1). T0] Console: colour VGA+ 80x25 [ 1.278409][ T0] printk: legacy console [ttyS0] enabled [ 1.278409][ T0] printk: legacy console [ttyS0] enabled [ 1.280131][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.280131][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.283724][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.286255][ T0] ACPI: Core revision 20250807 [ 1.288864][ T0] APIC: Switch to symmetric I/O mode setup [ 1.290666][ T0] x2apic enabled [ 1.296304][ T0] APIC: Switched APIC routing to: physical x2apic [ 1.303862][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.305475][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6c80a799, max_idle_ns: 440795272342 ns [ 1.308786][ T0] Calibrating delay loop (skipped) preset value.. 4400.31 BogoMIPS (lpj=22001580) [ 1.321558][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.322744][ T0] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4 [ 1.323914][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 1.326338][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.328545][ T0] Spectre V2 : Mitigation: IBRS [ 1.328820][ T0] RETBleed: Mitigation: IBRS [ 1.330260][ T0] ITS: Mitigation: Aligned branch/return thunks [ 1.331749][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 1.333577][ T0] MDS: Mitigation: Clear CPU buffers [ 1.334541][ T0] TAA: Mitigation: Clear CPU buffers [ 1.335887][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.338799][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.340524][ T0] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 1.342070][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.343741][ T0] active return thunk: its_return_thunk [ 1.344880][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 1.346225][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 1.347491][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 1.348557][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 1.348796][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 1.349900][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 3.909543][ T0] Freeing SMP alternatives memory: 156K [ 3.910607][ T0] pid_max: default: 32768 minimum: 301 [ 3.913275][ T0] LSM: initializing lsm=lockdown,capability,landlock,yama,safesetid,tomoyo,apparmor,ima,evm [ 3.917263][ T0] landlock: Up and running. [ 3.918047][ T0] Yama: becoming mindful. [ 3.920212][ T0] TOMOYO Linux initialized [ 3.925773][ T0] AppArmor: AppArmor initialized [ 3.939574][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 3.946798][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 3.949270][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 3.951049][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 4.085578][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 4.090172][ T1] Performance Events: unsupported CPU family 6 model 79 no PMU driver, software events only. [ 4.094250][ T1] signal: max sigframe size: 1776 [ 4.096466][ T1] rcu: Hierarchical SRCU implementation. [ 4.097409][ T1] rcu: Max phase no-delay instances is 1000. [ 4.100757][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level [ 4.433290][ T1] smp: Bringing up secondary CPUs ... [ 4.439039][ T1] smpboot: x86: Booting SMP configuration: [ 4.440002][ T1] .... node #0, CPUs: #1 [ 4.441744][ 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. [ 4.442121][ 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. [ 4.448816][ 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. [ 4.451610][ T1] smp: Brought up 2 nodes, 2 CPUs [ 4.452454][ T1] smpboot: Total of 2 processors activated (8800.63 BogoMIPS) [ 4.456084][ T1] Memory: 2204840K/8388204K available (253140K kernel code, 7231K rwdata, 20908K rodata, 40552K init, 2864K bss, 1703360K reserved, 0K cma-reserved) [ 4.469947][ T1] devtmpfs: initialized [ 4.472420][ T1] x86/mm: Memory block size: 128MB [ 4.719312][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 4.721049][ T1] posixtimers hash table entries: 1024 (order: 2, 16384 bytes, vmalloc) [ 4.721049][ T1] futex hash table entries: 256 (16384 bytes on 2 NUMA nodes, total 32 KiB, linear). [ 4.731340][ T1] PM: RTC time: 14:30:28, date: 2025-10-06 [ 4.737883][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 4.829136][ T1] audit: initializing netlink subsys (disabled) [ 4.830601][ T30] audit: type=2000 audit(1759761028.110:1): state=initialized audit_enabled=0 res=1 [ 4.842464][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 4.843000][ T1] cpuidle: using governor menu [ 4.843000][ T1] NET: Registered PF_QIPCRTR protocol family [ 4.934288][ T1] dca service started, version 1.12.1 [ 4.935736][ T1] PCI: Using configuration type 1 for base access [ 5.035357][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 5.036742][ T1] HugeTLB: 0 KiB vmemmap can be freed for a 1.00 GiB page [ 5.038866][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 5.040604][ T1] HugeTLB: 0 KiB vmemmap can be freed for a 2.00 MiB page [ 5.086838][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 5.088790][ T1] raid6: using avx2x2 recovery algorithm [ 5.095984][ T1] ACPI: Added _OSI(Module Device) [ 5.097542][ T1] ACPI: Added _OSI(Processor Device) [ 5.098847][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 5.664453][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 5.804588][ T1] ACPI: Interpreter enabled [ 5.807672][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 5.808813][ T1] ACPI: Using IOAPIC for interrupt routing [ 5.811476][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 5.814645][ T1] PCI: Ignoring E820 reservations for host bridge windows [ 5.836559][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 6.655694][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 6.657677][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 6.658873][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 6.663558][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 6.736730][ T1] PCI host bridge to bus 0000:00 [ 6.738013][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 6.739920][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 6.741468][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 6.743685][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 6.745187][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 6.747253][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 6.749528][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint [ 6.761719][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 conventional PCI endpoint [ 6.785594][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint [ 6.793507][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 6.809808][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 conventional PCI endpoint [ 6.821082][ T1] pci 0000:00:03.0: BAR 0 [io 0xc000-0xc03f] [ 6.823393][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfe800000-0xfe80007f] [ 6.839952][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint [ 6.853936][ T1] pci 0000:00:04.0: BAR 0 [io 0xc040-0xc07f] [ 6.856605][ T1] pci 0000:00:04.0: BAR 1 [mem 0xfe801000-0xfe80107f] [ 6.873045][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 conventional PCI endpoint [ 6.888945][ T1] pci 0000:00:05.0: BAR 0 [mem 0xfe000000-0xfe7fffff] [ 6.892645][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 6.910817][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 conventional PCI endpoint [ 6.920445][ T1] pci 0000:00:06.0: BAR 0 [io 0xc080-0xc09f] [ 6.936734][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 6.950793][ T1] pci 0000:00:07.0: BAR 0 [io 0xc0a0-0xc0bf] [ 6.952640][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfe802000-0xfe80203f] [ 7.091156][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 7.116496][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 7.141701][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 7.166352][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 7.179097][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 7.247548][ T1] iommu: Default domain type: Translated [ 7.248811][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 7.382906][ T1] SCSI subsystem initialized [ 7.390950][ T1] ACPI: bus type USB registered [ 7.394657][ T1] usbcore: registered new interface driver usbfs [ 7.398084][ T1] usbcore: registered new interface driver hub [ 7.399684][ T1] usbcore: registered new device driver usb [ 7.409345][ T1] mc: Linux media interface: v0.10 [ 7.411775][ T1] videodev: Linux video capture interface: v2.00 [ 7.416050][ T1] pps_core: LinuxPPS API ver. 1 registered [ 7.418016][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 7.419127][ T1] PTP clock support registered [ 7.428797][ T1] EDAC MC: Ver: 3.0.0 [ 7.442952][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 7.475650][ T1] Bluetooth: Core ver 2.22 [ 7.477506][ T1] NET: Registered PF_BLUETOOTH protocol family [ 7.478813][ T1] Bluetooth: HCI device and connection manager initialized [ 7.480860][ T1] Bluetooth: HCI socket layer initialized [ 7.482540][ T1] Bluetooth: L2CAP socket layer initialized [ 7.484520][ T1] Bluetooth: SCO socket layer initialized [ 7.486252][ T1] NET: Registered PF_ATMPVC protocol family [ 7.487796][ T1] NET: Registered PF_ATMSVC protocol family [ 7.489676][ T1] NetLabel: Initializing [ 7.490994][ T1] NetLabel: domain hash size = 128 [ 7.492806][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 7.500241][ T1] NetLabel: unlabeled traffic allowed by default [ 7.512186][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 7.515663][ T1] NET: Registered PF_NFC protocol family [ 7.518312][ T1] mctp: management component transport protocol core [ 7.518879][ T1] NET: Registered PF_MCTP protocol family [ 7.521636][ T1] PCI: Using ACPI for IRQ routing [ 7.525974][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 7.528266][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 7.528737][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 7.528827][ T1] vgaarb: loaded [ 7.681088][ T1] clocksource: Switched to clocksource kvm-clock [ 7.691172][ T1] VFS: Disk quotas dquot_6.6.0 [ 7.693173][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 7.720404][ T1] netfs: FS-Cache loaded [ 7.725066][ T1] CacheFiles: Loaded [ 7.728291][ T1] TOMOYO: 2.6.0 [ 7.729352][ T1] Mandatory Access Control activated. [ 7.744106][ T1] AppArmor: AppArmor Filesystem Enabled [ 7.747402][ T1] pnp: PnP ACPI init [ 7.853923][ T1] pnp: PnP ACPI: found 7 devices [ 8.024488][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 8.030971][ T1] NET: Registered PF_INET protocol family [ 8.038606][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 8.141530][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 4, 65536 bytes, vmalloc) [ 8.146675][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 8.152389][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 8.176844][ T1] TCP bind hash table entries: 65536 (order: 9, 2097152 bytes, vmalloc hugepage) [ 8.232194][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 8.241237][ T1] MPTCP token hash table entries: 8192 (order: 5, 196608 bytes, vmalloc) [ 8.248077][ T1] UDP hash table entries: 4096 (order: 6, 262144 bytes, vmalloc) [ 8.259751][ T1] UDP-Lite hash table entries: 4096 (order: 6, 262144 bytes, vmalloc) [ 8.273893][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 8.286058][ T1] RPC: Registered named UNIX socket transport module. [ 8.288207][ T1] RPC: Registered udp transport module. [ 8.289931][ T1] RPC: Registered tcp transport module. [ 8.291845][ T1] RPC: Registered tcp-with-tls transport module. [ 8.293772][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 8.331348][ T1] NET: Registered PF_XDP protocol family [ 8.333135][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 8.336032][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 8.338411][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 8.340200][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 8.347159][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 8.350898][ T1] PCI: CLS 0 bytes, default 64 [ 8.352908][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 8.355024][ T1] software IO TLB: mapped [mem 0x00000000bbffd000-0x00000000bfffd000] (64MB) [ 8.358033][ T1] ACPI: bus type thunderbolt registered [ 8.387288][ T61] kworker/u8:1 (61) used greatest stack depth: 11960 bytes left [ 8.495149][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 8.648953][ T1] kvm_amd: CPU 1 isn't AMD or Hygon [ 8.650444][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb6c80a799, max_idle_ns: 440795272342 ns [ 9.016382][ T1] clocksource: Switched to clocksource tsc [ 9.019550][ T62] kworker/u8:3 (62) used greatest stack depth: 11816 bytes left [ 34.691907][ T1] Initialise system trusted keyrings [ 34.701905][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 34.713356][ T1] DLM installed [ 34.727734][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 34.757434][ T1] NFS: Registering the id_resolver key type [ 34.763850][ T1] Key type id_resolver registered [ 34.768945][ T1] Key type id_legacy registered [ 34.774737][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 34.782570][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 34.816751][ T1] Key type cifs.spnego registered [ 34.822596][ T1] Key type cifs.idmap registered [ 34.835867][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 34.841823][ T1] ntfs3: Read-only LZX/Xpress compression included [ 34.848915][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 34.855288][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 34.861326][ T1] QNX4 filesystem 0.2.3 registered. [ 34.867988][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 34.875504][ T1] fuse: init (API version 7.45) [ 34.886866][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 34.895794][ T1] orangefs_init: module version upstream loaded [ 34.904152][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 34.948833][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 34.965946][ T1] 9p: Installing v9fs 9p2000 file system support [ 34.973347][ T1] NILFS version 2 loaded [ 34.977862][ T1] befs: version: 0.9.3 [ 34.983005][ T1] ocfs2: Registered cluster interface o2cb [ 34.991273][ T1] ocfs2: Registered cluster interface user [ 34.998495][ T1] OCFS2 User DLM kernel interface loaded [ 35.017803][ T1] gfs2: GFS2 installed [ 35.059251][ T1] ceph: loaded (mds proto 32) [ 35.806968][ T1] NET: Registered PF_ALG protocol family [ 35.813312][ T1] xor: automatically using best checksumming function avx [ 35.821495][ T1] async_tx: api initialized (async) [ 35.826889][ T1] Key type asymmetric registered [ 35.831892][ T1] Asymmetric key parser 'x509' registered [ 35.837768][ T1] Asymmetric key parser 'pkcs8' registered [ 35.843909][ T1] Key type pkcs7_test registered [ 35.850310][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) [ 35.860582][ T1] io scheduler mq-deadline registered [ 35.866502][ T1] io scheduler kyber registered [ 35.871959][ T1] io scheduler bfq registered [ 35.891367][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 35.902076][ T140] kworker/u8:2 (140) used greatest stack depth: 10968 bytes left [ 35.911355][ T1] ACPI: button: Power Button [PWRF] [ 35.919612][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 35.930796][ T1] ACPI: button: Sleep Button [SLPF] [ 35.957609][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 36.038568][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 36.044867][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 36.123929][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 36.129736][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 36.208303][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 36.214188][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 36.273080][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 37.416353][ T1] N_HDLC line discipline registered with maxframe=4096 [ 37.425415][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 37.437763][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 37.472838][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 37.510114][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 37.542088][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 37.596348][ T1] Non-volatile memory driver v1.3 [ 37.622619][ T1] Linux agpgart interface v0.103 [ 37.636015][ T1] usbcore: registered new interface driver xillyusb [ 37.652287][ T1] ACPI: bus type drm_connector registered [ 37.677443][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0 [ 37.700372][ T1] [drm] Initialized vkms 1.0.0 for vkms on minor 1 [ 38.011203][ T1] Console: switching to colour frame buffer device 128x48 [ 38.099833][ T1] faux_driver vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 38.108152][ T1] usbcore: registered new interface driver udl [ 38.119676][ T1] usbcore: registered new interface driver gm12u320 [ 38.127305][ T1] usbcore: registered new interface driver gud [ 38.279542][ T1] brd: module loaded [ 38.672678][ T1] loop: module loaded [ 38.970689][ T1] zram: Added device: zram0 [ 38.996271][ T1] null_blk: disk nullb0 created [ 39.001274][ T1] null_blk: module loaded [ 39.008475][ T1] Guest personality initialized and is inactive [ 39.016196][ T1] VMCI host device registered (name=vmci, major=10, minor=265) [ 39.024148][ T1] Initialized host personality [ 39.029706][ T1] usbcore: registered new interface driver rtsx_usb [ 39.042104][ T1] usbcore: registered new interface driver viperboard [ 39.050349][ T1] usbcore: registered new interface driver dln2 [ 39.058525][ T1] usbcore: registered new interface driver pn533_usb [ 39.072218][ T1] nfcsim 0.2 initialized [ 39.077348][ T1] usbcore: registered new interface driver port100 [ 39.084860][ T1] usbcore: registered new interface driver nfcmrvl [ 39.102738][ T1] Loading iSCSI transport class v2.0-870. [ 39.144075][ T1] virtio_scsi virtio0: 1/0/0 default/read/poll queues [ 39.180630][ T1] scsi host0: Virtio SCSI HBA [ 39.707208][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 39.726184][ T35] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 39.759242][ T35] ===================================================== [ 39.767633][ T35] BUG: KMSAN: use-after-free in scsi_get_vpd_buf+0x4cc/0x720 [ 39.776263][ T35] scsi_get_vpd_buf+0x4cc/0x720 [ 39.781276][ T35] scsi_attach_vpd+0x974/0xe70 [ 39.787803][ T35] scsi_probe_and_add_lun+0x6933/0x7f20 [ 39.788235][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288 [ 39.795150][ T35] __scsi_scan_target+0x2fb/0x2050 [ 39.804255][ T1] db_root: cannot open: /etc/target [ 39.806728][ T35] scsi_scan_host_selected+0x68f/0x9a0 [ 39.817463][ T35] do_scan_async+0x1ad/0xdc0 [ 39.822216][ T35] async_run_entry_fn+0x90/0x570 [ 39.827441][ T35] process_scheduled_works+0xb91/0x1d80 [ 39.833182][ T35] worker_thread+0xedf/0x1590 [ 39.838088][ T35] kthread+0xd59/0xf00 [ 39.842300][ T35] ret_from_fork+0x230/0x380 [ 39.847156][ T35] ret_from_fork_asm+0x1a/0x30 [ 39.852097][ T35] [ 39.854573][ T35] Uninit was created at: [ 39.859003][ T35] kfree+0x254/0x1460 [ 39.863131][ T35] call_usermodehelper_exec_async+0x666/0x6f0 [ 39.869451][ T35] ret_from_fork+0x230/0x380 [ 39.874294][ T35] ret_from_fork_asm+0x1a/0x30 [ 39.879336][ T35] [ 39.881773][ T35] CPU: 1 UID: 0 PID: 35 Comm: kworker/u8:2 Not tainted syzkaller #0 PREEMPT(none) [ 39.891297][ T35] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 39.891399][ T1] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 39.901579][ T35] Workqueue: async async_run_entry_fn [ 39.917166][ T35] ===================================================== [ 39.924258][ T35] Disabling lock debugging due to kernel taint [ 39.930495][ T35] Kernel panic - not syncing: kmsan.panic set ... [ 39.934188][ T35] CPU: 1 UID: 0 PID: 35 Comm: kworker/u8:2 Tainted: G B syzkaller #0 PREEMPT(none) [ 39.934188][ T35] Tainted: [B]=BAD_PAGE [ 39.934188][ T35] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 39.954023][ T35] Workqueue: async async_run_entry_fn [ 39.954023][ T35] Call Trace: [ 39.954023][ T35] [ 39.954023][ T35] __dump_stack+0x26/0x30 [ 39.954023][ T35] dump_stack_lvl+0x53/0x270 [ 39.983756][ T35] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 39.984028][ T35] dump_stack+0x1e/0x25 [ 39.984028][ T35] vpanic+0x435/0xd30 [ 39.984028][ T35] panic+0x15d/0x160 [ 39.984028][ T35] kmsan_report+0x31c/0x320 [ 39.984028][ T35] ? __msan_warning+0x1b/0x30 [ 39.984028][ T35] ? scsi_get_vpd_buf+0x4cc/0x720 [ 39.984028][ T35] ? scsi_attach_vpd+0x974/0xe70 [ 39.984028][ T35] ? scsi_probe_and_add_lun+0x6933/0x7f20 [ 40.024987][ T35] ? __scsi_scan_target+0x2fb/0x2050 [ 40.031990][ T35] ? scsi_scan_host_selected+0x68f/0x9a0 [ 40.031990][ T35] ? do_scan_async+0x1ad/0xdc0 [ 40.031990][ T35] ? async_run_entry_fn+0x90/0x570 [ 40.031990][ T35] ? process_scheduled_works+0xb91/0x1d80 [ 40.031990][ T35] ? worker_thread+0xedf/0x1590 [ 40.031990][ T35] ? kthread+0xd59/0xf00 [ 40.031990][ T35] ? ret_from_fork+0x230/0x380 [ 40.031990][ T35] ? ret_from_fork_asm+0x1a/0x30 [ 40.074129][ T35] ? blk_mq_free_request+0x3b6/0x600 [ 40.074129][ T35] ? scsi_execute_cmd+0x1add/0x1c70 [ 40.074129][ T35] ? kmsan_get_metadata+0xfb/0x160 [ 40.103719][ T35] __msan_warning+0x1b/0x30 [ 40.103719][ T35] scsi_get_vpd_buf+0x4cc/0x720 [ 40.103719][ T35] scsi_attach_vpd+0x974/0xe70 [ 40.103719][ T35] scsi_probe_and_add_lun+0x6933/0x7f20 [ 40.133877][ T35] __scsi_scan_target+0x2fb/0x2050 [ 40.133877][ T35] ? kmsan_internal_set_shadow_origin+0x7a/0x110 [ 40.133877][ T35] ? _raw_spin_unlock_irqrestore+0x3f/0x60 [ 40.133877][ T35] ? __pm_runtime_resume+0x1f7/0x230 [ 40.133877][ T35] ? kmsan_get_metadata+0xfb/0x160 [ 40.163605][ T35] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 40.163605][ T35] scsi_scan_host_selected+0x68f/0x9a0 [ 40.163605][ T35] do_scan_async+0x1ad/0xdc0 [ 40.163605][ T35] ? ktime_get+0x530/0x590 [ 40.163605][ T35] ? kmsan_get_metadata+0xfb/0x160 [ 40.163605][ T35] async_run_entry_fn+0x90/0x570 [ 40.193576][ T35] ? kmsan_get_metadata+0xfb/0x160 [ 40.193576][ T35] ? __pfx_do_scan_async+0x10/0x10 [ 40.193576][ T35] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 40.193576][ T35] ? __pfx_async_run_entry_fn+0x10/0x10 [ 40.193576][ T35] process_scheduled_works+0xb91/0x1d80 [ 40.223593][ T35] worker_thread+0xedf/0x1590 [ 40.223593][ T35] kthread+0xd59/0xf00 [ 40.223593][ T35] ? __pfx_worker_thread+0x10/0x10 [ 40.223593][ T35] ? __pfx_kthread+0x10/0x10 [ 40.223593][ T35] ret_from_fork+0x230/0x380 [ 40.223593][ T35] ? __pfx_kthread+0x10/0x10 [ 40.223593][ T35] ret_from_fork_asm+0x1a/0x30 [ 40.223593][ T35] [ 40.223593][ T35] Kernel Offset: disabled [ 40.223593][ T35] Rebooting in 86400 seconds.. syzkaller build log: go env (err=) AR='ar' CC='gcc' CGO_CFLAGS='-O2 -g' CGO_CPPFLAGS='' CGO_CXXFLAGS='-O2 -g' CGO_ENABLED='1' CGO_FFLAGS='-O2 -g' CGO_LDFLAGS='-O2 -g' CXX='g++' GCCGO='gccgo' GO111MODULE='auto' GOAMD64='v1' GOARCH='amd64' GOAUTH='netrc' GOBIN='' GOCACHE='/syzkaller/.cache/go-build' GOCACHEPROG='' GODEBUG='' GOENV='/syzkaller/.config/go/env' GOEXE='' GOEXPERIMENT='' GOFIPS140='off' GOFLAGS='' GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build4190601459=/tmp/go-build -gno-record-gcc-switches' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod' GOMODCACHE='/syzkaller/jobs-2/linux/gopath/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/syzkaller/jobs-2/linux/gopath' GOPRIVATE='' GOPROXY='https://proxy.golang.org,direct' GOROOT='/usr/local/go' GOSUMDB='sum.golang.org' GOTELEMETRY='local' GOTELEMETRYDIR='/syzkaller/.config/go/telemetry' GOTMPDIR='' GOTOOLCHAIN='auto' GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64' GOVCS='' GOVERSION='go1.24.4' GOWORK='' PKG_CONFIG='pkg-config' git status (err=) HEAD detached at 49379ee008e nothing to commit, working tree clean tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env go list -f '{{.Stale}}' -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=49379ee008e5f2af6e551c2e23fcd6b1ebb4d5c2 -X github.com/google/syzkaller/prog.gitRevisionDate=20251002-084935" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=49379ee008e5f2af6e551c2e23fcd6b1ebb4d5c2 -X github.com/google/syzkaller/prog.gitRevisionDate=20251002-084935" ./sys/syz-sysgen make .descriptions tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env bin/syz-sysgen touch .descriptions GOOS=linux GOARCH=amd64 go build -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=49379ee008e5f2af6e551c2e23fcd6b1ebb4d5c2 -X github.com/google/syzkaller/prog.gitRevisionDate=20251002-084935" -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_amd64 g++ -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -std=c++17 -I. -Iexecutor/_include -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"49379ee008e5f2af6e551c2e23fcd6b1ebb4d5c2\" /usr/bin/ld: /tmp/ccqyzhm0.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x104): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking ./tools/check-syzos.sh 2>/dev/null