WARNING in debug_check_no_obj_freed node 0: [mem 0x0000000000100000-0x00000000bfffcfff] node 0: [mem 0x0000000100000000-0x000000023fffffff] Initmem setup node 0 [mem 0x0000000000001000-0x000000023fffffff] On node 0, zone DMA: 1 pages in unavailable ranges On node 0, zone DMA: 97 pages in unavailable ranges On node 0, zone Normal: 3 pages in unavailable ranges kasan: KernelAddressSanitizer initialized ACPI: PM-Timer IO Port: 0xb008 ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) ACPI: Using ACPI (MADT) for SMP configuration information CPU topo: Max. logical packages: 1 CPU topo: Max. logical dies: 1 CPU topo: Max. dies per package: 1 CPU topo: Max. threads per core: 2 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 0x0009f000-0x0009ffff] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [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:1 percpu: Embedded 72 pages/cpu s258000 r8192 d28720 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=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 Unknown kernel command line parameters "ima_policy=tcb spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. random: crng init done Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear) Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) Fallback order for Node 0: 0 Built 1 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) software IO TLB: area num 2. ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(early_boot_irqs_disabled) WARNING: CPU: 0 PID: 0 at kernel/locking/lockdep.c:4393 lockdep_hardirqs_on_prepare+0x3c6/0x420 kernel/locking/lockdep.c:4393 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper Not tainted 6.12.0-rc4-syzkaller-gc6d9e43954bf-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:lockdep_hardirqs_on_prepare+0x3c6/0x420 kernel/locking/lockdep.c:4393 Code: c7 c7 40 f1 27 87 e8 19 97 e7 ff 90 0f 0b 90 90 e9 7a ff ff ff 90 48 c7 c6 e0 21 28 87 48 c7 c7 40 f1 27 87 e8 fb 96 e7 ff 90 <0f> 0b 90 90 eb a3 e8 0f 63 7b 00 e9 09 fd ff ff e8 f5 63 7b 00 e9 RSP: 0000:ffffffff88c07be0 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffffffff811aafe9 RDX: ffffffff88c2c7c0 RSI: ffffffff811aaff6 RDI: 0000000000000001 RBP: ffffffff88c07d38 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888000100000 R13: ffffffff9357fc30 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f5800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88823ffff000 CR3: 0000000008ca0000 CR4: 00000000000000b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_hardirqs_on+0x14/0x40 kernel/trace/trace_preemptirq.c:61 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] _raw_spin_unlock_irq+0x23/0x50 kernel/locking/spinlock.c:202 __debug_check_no_obj_freed lib/debugobjects.c:998 [inline] debug_check_no_obj_freed+0x31e/0x5f0 lib/debugobjects.c:1019 free_pages_prepare mm/page_alloc.c:1115 [inline] __free_pages_ok+0x244/0xa20 mm/page_alloc.c:1250 __free_pages_memory mm/memblock.c:2137 [inline] __free_memory_core mm/memblock.c:2153 [inline] free_low_memory_core_early mm/memblock.c:2214 [inline] memblock_free_all+0x43c/0x610 mm/memblock.c:2252 mem_init+0x1d/0x370 arch/x86/mm/init_64.c:1348 mm_core_init+0x10a/0x240 mm/mm_init.c:2653 start_kernel+0x197/0x4c0 init/main.c:964 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:507 x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:488 common_startup_64+0x12c/0x138 failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.0.85" "pwd"]: exit status 255 ssh: connect to host 10.128.0.85 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. serialport: Connected to syzkaller.us-central1-c.ci2-upstream-usb-test-job-parallel-0 port 1 (session ID: e0c3d68e6c039209ca777c682dbb8381cd89109b4ccea49e5c0f052e653c8d58, active connections: 1). 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 0529afb0-8d89-a475-df2d-b947d28bac30 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 6.12.0-rc4-syzkaller-gc6d9e43954bf-dirty (syzkaller@syzkaller) (gcc (Debian 12.2.0-14) 12.2.0, 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][ 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] Malformed early option 'numa' [ 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 09/13/2024 [ 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 [ 0.000007][ T0] kvm-clock: using sched offset of 2885332340 cycles [ 0.001030][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.004713][ T0] tsc: Detected 2200.220 MHz processor [ 0.012432][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.013638][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.015734][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.017814][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.025511][ T0] found SMP MP-table at [mem 0x000f2a50-0x000f2a5f] [ 0.027194][ T0] Using GB pages for direct mapping [ 0.033025][ T0] ACPI: Early table checksum verification disabled [ 0.034552][ T0] ACPI: RSDP 0x00000000000F27D0 000014 (v00 Google) [ 0.035720][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.037674][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.039581][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.042040][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.043355][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.044375][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.046496][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.048654][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.051656][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.053804][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.055989][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.057616][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.058943][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.060591][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.062145][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.064394][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.065814][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.067863][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.070253][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.071420][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.073158][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff] [ 0.075325][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff] [ 0.078325][ T0] NODE_DATA(0) allocated [mem 0x23fff9e00-0x23fffddff] [ 0.117884][ T0] Zone ranges: [ 0.118729][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.120123][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.121166][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.122385][ T0] Movable zone start for each node [ 0.123307][ T0] Early memory node ranges [ 0.124149][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.125227][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.126650][ T0] node 0: [mem 0x0000000100000000-0x000000023fffffff] [ 0.128118][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000023fffffff] [ 0.130187][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.132026][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.272214][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.591782][ T0] kasan: KernelAddressSanitizer initialized [ 0.594155][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.595456][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.596918][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.598543][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.600551][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.602046][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.604180][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.606070][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.607926][ T0] CPU topo: Max. logical packages: 1 [ 0.608974][ T0] CPU topo: Max. logical dies: 1 [ 0.610008][ T0] CPU topo: Max. dies per package: 1 [ 0.610933][ T0] CPU topo: Max. threads per core: 2 [ 0.612361][ T0] CPU topo: Num. cores per package: 1 [ 0.613460][ T0] CPU topo: Num. threads per package: 2 [ 0.614535][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.616471][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.618396][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.620038][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.621426][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.622954][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.624961][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.626150][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.627592][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.629426][ T0] Booting paravirtualized kernel on KVM [ 0.630453][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.677816][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:1 [ 0.680682][ T0] percpu: Embedded 72 pages/cpu s258000 r8192 d28720 u1048576 [ 0.682715][ T0] kvm-guest: PV spinlocks enabled [ 0.683539][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.685241][ 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 [ 0.706673][ T0] Unknown kernel command line parameters "ima_policy=tcb spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.710164][ T0] random: crng init done [ 0.714069][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 0.717136][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.719528][ T0] Fallback order for Node 0: 0 [ 0.719568][ T0] Built 1 zonelists, mobility grouping on. Total pages: 2097051 [ 0.721930][ T0] Policy zone: Normal [ 0.723098][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.724900][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.727068][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.733916][ T0] software IO TLB: area num 2. [ 0.908126][ T0] ------------[ cut here ]------------ [ 0.909262][ T0] DEBUG_LOCKS_WARN_ON(early_boot_irqs_disabled) [ 0.909305][ T0] WARNING: CPU: 0 PID: 0 at kernel/locking/lockdep.c:4393 lockdep_hardirqs_on_prepare+0x3c6/0x420 [ 0.911749][ T0] Modules linked in: [ 0.912323][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper Not tainted 6.12.0-rc4-syzkaller-gc6d9e43954bf-dirty #0 [ 0.913743][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 0.915988][ T0] RIP: 0010:lockdep_hardirqs_on_prepare+0x3c6/0x420 [ 0.917185][ T0] Code: c7 c7 40 f1 27 87 e8 19 97 e7 ff 90 0f 0b 90 90 e9 7a ff ff ff 90 48 c7 c6 e0 21 28 87 48 c7 c7 40 f1 27 87 e8 fb 96 e7 ff 90 <0f> 0b 90 90 eb a3 e8 0f 63 7b 00 e9 09 fd ff ff e8 f5 63 7b 00 e9 [ 0.920840][ T0] RSP: 0000:ffffffff88c07be0 EFLAGS: 00010082 [ 0.922264][ T0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffffffff811aafe9 [ 0.924240][ T0] RDX: ffffffff88c2c7c0 RSI: ffffffff811aaff6 RDI: 0000000000000001 [ 0.925353][ T0] RBP: ffffffff88c07d38 R08: 0000000000000001 R09: 0000000000000000 [ 0.926922][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: ffff888000100000 [ 0.928419][ T0] R13: ffffffff9357fc30 R14: 0000000000000000 R15: 0000000000000000 [ 0.929557][ T0] FS: 0000000000000000(0000) GS:ffff8881f5800000(0000) knlGS:0000000000000000 [ 0.930911][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.931966][ T0] CR2: ffff88823ffff000 CR3: 0000000008ca0000 CR4: 00000000000000b0 [ 0.933236][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 0.934520][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 0.935652][ T0] Call Trace: [ 0.936173][ T0] [ 0.936605][ T0] ? __warn+0xea/0x3d0 [ 0.937268][ T0] ? lockdep_hardirqs_on_prepare+0x3c6/0x420 [ 0.938086][ T0] ? report_bug+0x3c0/0x580 [ 0.938791][ T0] ? handle_bug+0x54/0xa0 [ 0.939424][ T0] ? exc_invalid_op+0x17/0x50 [ 0.940087][ T0] ? asm_exc_invalid_op+0x1a/0x20 [ 0.941088][ T0] ? __warn_printk+0x199/0x350 [ 0.942223][ T0] ? __warn_printk+0x1a6/0x350 [ 0.942904][ T0] ? lockdep_hardirqs_on_prepare+0x3c6/0x420 [ 0.943814][ T0] trace_hardirqs_on+0x14/0x40 [ 0.944477][ T0] _raw_spin_unlock_irq+0x23/0x50 [ 0.945145][ T0] debug_check_no_obj_freed+0x31e/0x5f0 [ 0.945900][ T0] ? __pfx_debug_check_no_obj_freed+0x10/0x10 [ 0.947024][ T0] ? should_skip_region.isra.0+0x117/0x130 [ 0.947907][ T0] __free_pages_ok+0x244/0xa20 [ 0.948674][ T0] memblock_free_all+0x43c/0x610 [ 0.949511][ T0] ? __pfx_memblock_free_all+0x10/0x10 [ 0.950569][ T0] ? __asan_memset+0x23/0x50 [ 0.951210][ T0] ? swiotlb_init_io_tlb_pool.constprop.0+0x256/0x2c0 [ 0.952133][ T0] ? swiotlb_init_remap+0x2fc/0x470 [ 0.952838][ T0] mem_init+0x1d/0x370 [ 0.953390][ T0] mm_core_init+0x10a/0x240 [ 0.954116][ T0] start_kernel+0x197/0x4c0 [ 0.954708][ T0] x86_64_start_reservations+0x18/0x30 [ 0.955496][ T0] x86_64_start_kernel+0xb2/0xc0 [ 0.956225][ T0] common_startup_64+0x12c/0x138 [ 0.956879][ T0] [ 0.957305][ T0] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 0.958450][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper Not tainted 6.12.0-rc4-syzkaller-gc6d9e43954bf-dirty #0 [ 0.960114][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 0.961655][ T0] Call Trace: [ 0.962225][ T0] [ 0.962632][ T0] dump_stack_lvl+0x3d/0x1f0 [ 0.963277][ T0] panic+0x71d/0x800 [ 0.963801][ T0] ? __pfx_panic+0x10/0x10 [ 0.964467][ T0] ? show_trace_log_lvl+0x29d/0x3d0 [ 0.965214][ T0] ? check_panic_on_warn+0x1f/0xb0 [ 0.966102][ T0] ? lockdep_hardirqs_on_prepare+0x3c6/0x420 [ 0.967262][ T0] check_panic_on_warn+0xab/0xb0 [ 0.967984][ T0] __warn+0xf6/0x3d0 [ 0.968518][ T0] ? lockdep_hardirqs_on_prepare+0x3c6/0x420 [ 0.969391][ T0] report_bug+0x3c0/0x580 [ 0.970077][ T0] handle_bug+0x54/0xa0 [ 0.970688][ T0] exc_invalid_op+0x17/0x50 [ 0.971472][ T0] asm_exc_invalid_op+0x1a/0x20 [ 0.972430][ T0] RIP: 0010:lockdep_hardirqs_on_prepare+0x3c6/0x420 [ 0.973347][ T0] Code: c7 c7 40 f1 27 87 e8 19 97 e7 ff 90 0f 0b 90 90 e9 7a ff ff ff 90 48 c7 c6 e0 21 28 87 48 c7 c7 40 f1 27 87 e8 fb 96 e7 ff 90 <0f> 0b 90 90 eb a3 e8 0f 63 7b 00 e9 09 fd ff ff e8 f5 63 7b 00 e9 [ 0.976395][ T0] RSP: 0000:ffffffff88c07be0 EFLAGS: 00010082 [ 0.977327][ T0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffffffff811aafe9 [ 0.978440][ T0] RDX: ffffffff88c2c7c0 RSI: ffffffff811aaff6 RDI: 0000000000000001 [ 0.979776][ T0] RBP: ffffffff88c07d38 R08: 0000000000000001 R09: 0000000000000000 [ 0.980888][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: ffff888000100000 [ 0.982105][ T0] R13: ffffffff9357fc30 R14: 0000000000000000 R15: 0000000000000000 [ 0.983253][ T0] ? __warn_printk+0x199/0x350 [ 0.983911][ T0] ? __warn_printk+0x1a6/0x350 [ 0.984601][ T0] trace_hardirqs_on+0x14/0x40 [ 0.985321][ T0] _raw_spin_unlock_irq+0x23/0x50 [ 0.986072][ T0] debug_check_no_obj_freed+0x31e/0x5f0 [ 0.986989][ T0] ? __pfx_debug_check_no_obj_freed+0x10/0x10 [ 0.988219][ T0] ? should_skip_region.isra.0+0x117/0x130 [ 0.989179][ T0] __free_pages_ok+0x244/0xa20 [ 0.990210][ T0] memblock_free_all+0x43c/0x610 [ 0.990970][ T0] ? __pfx_memblock_free_all+0x10/0x10 [ 0.991836][ T0] ? __asan_memset+0x23/0x50 [ 0.992725][ T0] ? swiotlb_init_io_tlb_pool.constprop.0+0x256/0x2c0 [ 0.993707][ T0] ? swiotlb_init_remap+0x2fc/0x470 [ 0.994498][ T0] mem_init+0x1d/0x370 [ 0.995089][ T0] mm_core_init+0x10a/0x240 [ 0.995747][ T0] start_kernel+0x197/0x4c0 [ 0.996490][ T0] x86_64_start_reservations+0x18/0x30 [ 0.997404][ T0] x86_64_start_kernel+0xb2/0xc0 [ 0.998318][ T0] common_startup_64+0x12c/0x138 [ 0.999061][ T0] [ 0.999501][ 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-build2571341281=/tmp/go-build -gno-record-gcc-switches' git status (err=) HEAD detached at cd6fc0a301 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 go fmt ./sys/... >/dev/null touch .descriptions GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=cd6fc0a3018e5d793bdcca6530622493f5e88307 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20241018-123137'" "-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 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 -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"cd6fc0a3018e5d793bdcca6530622493f5e88307\" /usr/bin/ld: /tmp/ccoP4YcL.o: in function `test_cover_filter()': executor.cc:(.text+0x1424b): warning: the use of `tempnam' is dangerous, better use `mkstemp' /usr/bin/ld: /tmp/ccoP4YcL.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