kernel BUG in init_IRQ CPU topo: Num. cores per package: 1 CPU topo: Num. threads per package: 2 CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xffffffff] [mem 0xc0000000-0xfffbbfff] available for PCI devices Booting paravirtualized kernel on KVM clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 percpu: Embedded 70 pages/cpu s246024 r8192 d32504 u1048576 kvm-guest: PV spinlocks enabled PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) 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 Unknown kernel command line parameters "spec_store_bypass_disable=prctl nbds_max=32 BOOT_IMAGE=/boot/bzImage", will be passed to user space. random: crng init done printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes software IO TLB: area num 2. Fallback order for Node 0: 0 1 Fallback order for Node 1: 1 0 Built 2 zonelists, mobility grouping on. Total pages: 2097051 Policy zone: Normal mem auto-init: stack:all(zero), heap alloc:on, heap free:off stackdepot: allocating hash table via alloc_large_system_hash stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 allocated 167772160 bytes of page_ext Node 0, zone DMA: page owner found early allocated 0 pages Node 0, zone DMA32: page owner found early allocated 21222 pages Node 0, zone Normal: page owner found early allocated 0 pages Node 1, zone Normal: page owner found early allocated 19843 pages Kernel/User page tables isolation: enabled Dynamic Preempt: full Running RCU self tests Running RCU synchronous self tests rcu: Preemptible hierarchical RCU implementation. rcu: RCU lockdep checking is enabled. rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. rcu: RCU callback double-/use-after-free debug is enabled. rcu: RCU debug extended QS entry/exit. All grace periods are expedited (rcu_expedited). Trampoline variant of Tasks RCU enabled. Tracing variant of Tasks RCU enabled. rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 Running RCU synchronous self tests RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 ------------[ cut here ]------------ kernel BUG at arch/x86/kernel/irqinit.c:90! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc5-next-20250509-syzkaller-10031-ged61cb3d78d5 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:init_IRQ+0x1b7/0x1c0 arch/x86/kernel/irqinit.c:90 Code: 5d 41 5e 41 5f 5d 2e e9 27 03 9c fa 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c a8 fe ff ff 48 89 df e8 2f d7 64 f2 e9 9b fe ff ff 90 <0f> 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0000:ffffffff8ca07ee0 EFLAGS: 00010082 RAX: 00000000fffffff4 RBX: 0000000000000010 RCX: 0000000000000000 RDX: ffff888140403280 RSI: ffffffff8aa26380 RDI: ffffffff8aa26340 RBP: 1ffffffff196c30c R08: ffffffff8d45a153 R09: 1ffffffff1a8b42a R10: dffffc0000000000 R11: fffffbfff1a8b42b R12: dffffc0000000000 R13: 0000004000000000 R14: ffffffff8cb61900 R15: ffff8880b8a22908 FS: 0000000000000000(0000) GS:ffff8881281a6000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88823ffff000 CR3: 000000000cb2e000 CR4: 00000000000000b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: start_kernel+0x1cb/0x400 init/main.c:1003 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:308 x86_64_start_kernel+0x66/0x70 arch/x86/kernel/head64.c:289 common_startup_64+0x13e/0x147 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:init_IRQ+0x1b7/0x1c0 arch/x86/kernel/irqinit.c:90 Code: 5d 41 5e 41 5f 5d 2e e9 27 03 9c fa 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c a8 fe ff ff 48 89 df e8 2f d7 64 f2 e9 9b fe ff ff 90 <0f> 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0000:ffffffff8ca07ee0 EFLAGS: 00010082 RAX: 00000000fffffff4 RBX: 0000000000000010 RCX: 0000000000000000 RDX: ffff888140403280 RSI: ffffffff8aa26380 RDI: ffffffff8aa26340 RBP: 1ffffffff196c30c R08: ffffffff8d45a153 R09: 1ffffffff1a8b42a R10: dffffc0000000000 R11: fffffbfff1a8b42b R12: dffffc0000000000 R13: 0000004000000000 R14: ffffffff8cb61900 R15: ffff8880b8a22908 FS: 0000000000000000(0000) GS:ffff8881281a6000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88823ffff000 CR3: 000000000cb2e000 CR4: 00000000000000b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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@10.128.10.37" "pwd"]: exit status 255 ssh: connect to host 10.128.10.37 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 bc75221c-bda7-2114-023c-35d84fbe4d56 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-rc5-next-20250509-syzkaller-10031-ged61cb3d78d5 (syzkaller@syzkaller) (Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2) #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 laserialport: Connected to syzkaller.us-central1-c.ci-upstream-linux-next-kasan-gce-root-test-job-parallel-0 port 1 (session ID: 7f8fd1a4d443be4a01e096c07fdceb0ae99cf0b5dc798334241da1a864c9bae4, active connections: 1). test 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] ********************************************************** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ** ** [ 0.000000][ 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 05/07/2025 [ 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 [ 0.000004][ T0] kvm-clock: using sched offset of 4191669286 cycles [ 0.001038][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.004204][ T0] tsc: Detected 2200.216 MHz processor [ 0.006076][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.007389][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.008979][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.010223][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.016229][ T0] found SMP MP-table at [mem 0x000f2ab0-0x000f2abf] [ 0.017869][ T0] Using GB pages for direct mapping [ 0.020183][ T0] ACPI: Early table checksum verification disabled [ 0.021578][ T0] ACPI: RSDP 0x00000000000F2830 000014 (v00 Google) [ 0.022564][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.023871][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.025205][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.026964][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.028079][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.029373][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.031221][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.032825][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.034512][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.036093][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.038226][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.039789][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.041524][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.042676][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.043715][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.044813][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.046142][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.048335][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.049547][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.050449][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.051522][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff] [ 0.053931][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff] [ 0.056021][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB) [ 0.057675][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB) [ 0.059470][ T0] NODE_DATA(0) allocated [mem 0x13fffb400-0x140000fff] [ 0.061907][ T0] NODE_DATA(1) allocated [mem 0x23fff7400-0x23fffcfff] [ 0.103830][ T0] Zone ranges: [ 0.104690][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.105850][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.106939][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.108073][ T0] Device empty [ 0.109009][ T0] Movable zone start for each node [ 0.109791][ T0] Early memory node ranges [ 0.110470][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.111862][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.112907][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff] [ 0.114012][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff] [ 0.115154][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff] [ 0.116774][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff] [ 0.117817][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.118980][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.168869][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.538975][ T0] kasan: KernelAddressSanitizer initialized [ 0.540652][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.541467][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.542640][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.544797][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.546175][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.547262][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.548906][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.550112][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.551207][ T0] CPU topo: Max. logical packages: 1 [ 0.551985][ T0] CPU topo: Max. logical dies: 1 [ 0.553565][ T0] CPU topo: Max. dies per package: 1 [ 0.554445][ T0] CPU topo: Max. threads per core: 2 [ 0.555204][ T0] CPU topo: Num. cores per package: 1 [ 0.555991][ T0] CPU topo: Num. threads per package: 2 [ 0.556812][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.557876][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.559337][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.561233][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xffffffff] [ 0.562692][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.564150][ T0] Booting paravirtualized kernel on KVM [ 0.564899][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.652125][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.654672][ T0] percpu: Embedded 70 pages/cpu s246024 r8192 d32504 u1048576 [ 0.656027][ T0] kvm-guest: PV spinlocks enabled [ 0.656794][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.658426][ 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 [ 0.661075][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl nbds_max=32 BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.678957][ T0] random: crng init done [ 0.679662][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.681095][ T0] software IO TLB: area num 2. [ 0.710052][ T0] Fallback order for Node 0: 0 1 [ 0.710065][ T0] Fallback order for Node 1: 1 0 [ 0.710072][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 0.712756][ T0] Policy zone: Normal [ 0.714552][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.715899][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.717285][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 1.454731][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.573972][ T0] allocated 167772160 bytes of page_ext [ 1.575109][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.588080][ T0] Node 0, zone DMA32: page owner found early allocated 21222 pages [ 1.593733][ T0] Node 0, zone Normal: page owner found early allocated 0 pages [ 1.603885][ T0] Node 1, zone Normal: page owner found early allocated 19843 pages [ 1.605739][ T0] Kernel/User page tables isolation: enabled [ 1.607942][ T0] Dynamic Preempt: full [ 1.609852][ T0] Running RCU self tests [ 1.610733][ T0] Running RCU synchronous self tests [ 1.611464][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.613255][ T0] rcu: RCU lockdep checking is enabled. [ 1.614131][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.615684][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.616999][ T0] rcu: RCU debug extended QS entry/exit. [ 1.618040][ T0] All grace periods are expedited (rcu_expedited). [ 1.619700][ T0] Trampoline variant of Tasks RCU enabled. [ 1.620807][ T0] Tracing variant of Tasks RCU enabled. [ 1.621631][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.622970][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.624798][ T0] Running RCU synchronous self tests [ 1.625716][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 1.627832][ T0] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 1.727885][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.730284][ T0] ------------[ cut here ]------------ [ 1.731767][ T0] kernel BUG at arch/x86/kernel/irqinit.c:90! [ 1.733089][ T0] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI [ 1.734125][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc5-next-20250509-syzkaller-10031-ged61cb3d78d5 #0 PREEMPT(full) [ 1.736462][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 1.738115][ T0] RIP: 0010:init_IRQ+0x1b7/0x1c0 [ 1.738926][ T0] Code: 5d 41 5e 41 5f 5d 2e e9 27 03 9c fa 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c a8 fe ff ff 48 89 df e8 2f d7 64 f2 e9 9b fe ff ff 90 <0f> 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 1.742729][ T0] RSP: 0000:ffffffff8ca07ee0 EFLAGS: 00010082 [ 1.743671][ T0] RAX: 00000000fffffff4 RBX: 0000000000000010 RCX: 0000000000000000 [ 1.745086][ T0] RDX: ffff888140403280 RSI: ffffffff8aa26380 RDI: ffffffff8aa26340 [ 1.746303][ T0] RBP: 1ffffffff196c30c R08: ffffffff8d45a153 R09: 1ffffffff1a8b42a [ 1.747753][ T0] R10: dffffc0000000000 R11: fffffbfff1a8b42b R12: dffffc0000000000 [ 1.748906][ T0] R13: 0000004000000000 R14: ffffffff8cb61900 R15: ffff8880b8a22908 [ 1.750258][ T0] FS: 0000000000000000(0000) GS:ffff8881281a6000(0000) knlGS:0000000000000000 [ 1.752230][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1.753253][ T0] CR2: ffff88823ffff000 CR3: 000000000cb2e000 CR4: 00000000000000b0 [ 1.754886][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1.756433][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1.757977][ T0] Call Trace: [ 1.758505][ T0] [ 1.759250][ T0] start_kernel+0x1cb/0x400 [ 1.760133][ T0] x86_64_start_reservations+0x2a/0x30 [ 1.761134][ T0] x86_64_start_kernel+0x66/0x70 [ 1.762227][ T0] common_startup_64+0x13e/0x147 [ 1.763416][ T0] [ 1.763905][ T0] Modules linked in: [ 1.764496][ T0] ---[ end trace 0000000000000000 ]--- [ 1.765787][ T0] RIP: 0010:init_IRQ+0x1b7/0x1c0 [ 1.766807][ T0] Code: 5d 41 5e 41 5f 5d 2e e9 27 03 9c fa 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c a8 fe ff ff 48 89 df e8 2f d7 64 f2 e9 9b fe ff ff 90 <0f> 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 1.770112][ T0] RSP: 0000:ffffffff8ca07ee0 EFLAGS: 00010082 [ 1.771098][ T0] RAX: 00000000fffffff4 RBX: 0000000000000010 RCX: 0000000000000000 [ 1.773587][ T0] RDX: ffff888140403280 RSI: ffffffff8aa26380 RDI: ffffffff8aa26340 [ 1.775224][ T0] RBP: 1ffffffff196c30c R08: ffffffff8d45a153 R09: 1ffffffff1a8b42a [ 1.777127][ T0] R10: dffffc0000000000 R11: fffffbfff1a8b42b R12: dffffc0000000000 [ 1.779015][ T0] R13: 0000004000000000 R14: ffffffff8cb61900 R15: ffff8880b8a22908 [ 1.781129][ T0] FS: 0000000000000000(0000) GS:ffff8881281a6000(0000) knlGS:0000000000000000 [ 1.782633][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1.783856][ T0] CR2: ffff88823ffff000 CR3: 000000000cb2e000 CR4: 00000000000000b0 [ 1.785385][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1.786491][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1.787993][ T0] Kernel panic - not syncing: Fatal exception [ 1.789247][ T0] Rebooting in 86400 seconds.. syzkaller build log: go env (err=) GO111MODULE='auto' GOARCH='amd64' GOBIN='' GOCACHE='/syzkaller/.cache/go-build' GOENV='/syzkaller/.config/go/env' GOEXE='' GOEXPERIMENT='' GOFLAGS='' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' 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' GOTMPDIR='' GOTOOLCHAIN='auto' GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64' GOVCS='' GOVERSION='go1.22.7' GCCGO='gccgo' GOAMD64='v1' AR='ar' CC='gcc' CXX='g++' CGO_ENABLED='1' GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod' GOWORK='' CGO_CFLAGS='-O2 -g' CGO_CPPFLAGS='' CGO_CXXFLAGS='-O2 -g' CGO_FFLAGS='-O2 -g' CGO_LDFLAGS='-O2 -g' PKG_CONFIG='pkg-config' GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build140369072=/tmp/go-build -gno-record-gcc-switches' git status (err=) HEAD detached at f7c35481a0c 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}}' ./sys/syz-sysgen | grep -q false || go install ./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=f7c35481a0c97addb5af75de0cd96c4db8d6d4ac -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240510-124049'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=f7c35481a0c97addb5af75de0cd96c4db8d6d4ac -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240510-124049'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_amd64 gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -std=c++11 -I. -Iexecutor/_include -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 -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"f7c35481a0c97addb5af75de0cd96c4db8d6d4ac\"