kernel BUG in __alloc_frozen_pages_noprof
Initmem setup node 0 [mem 0x0000000000001000-0x000000007ffdcfff]
Initmem setup node 1 [mem 0x0000000100000000-0x000000017fffffff]
On node 0, zone DMA: 1 pages in unavailable ranges
On node 0, zone DMA: 97 pages in unavailable ranges
On node 1, zone Normal: 35 pages in unavailable ranges
kasan: KernelAddressSanitizer initialized
ACPI: PM-Timer IO Port: 0x608
ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23
ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
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
ACPI: HPET id: 0x8086a201 base: 0xfed00000
TSC deadline timer available
CPU topo: Max. logical packages: 2
CPU topo: Max. logical dies: 2
CPU topo: Max. dies per package: 1
CPU topo: Max. threads per core: 2
CPU topo: Num. cores per package: 2
CPU topo: Num. threads per package: 4
CPU topo: Allowing 4 present CPUs plus 4 hotplug CPUs
kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write()
kvm-guest: KVM setup pv remote TLB flush
kvm-guest: setup PV sched yield
PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff]
PM: hibernation: Registered nosave memory: [mem 0x7ffdd000-0xffffffff]
[mem 0xc0000000-0xfed1bfff] 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:8 nr_cpu_ids:8 nr_node_ids:2
percpu: Embedded 69 pages/cpu s245512 r8192 d28920 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", 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 8.
Fallback order for Node 0: 0 1
Fallback order for Node 1: 1 0
Built 2 zonelists, mobility grouping on. Total pages: 1048443
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)
------------[ cut here ]------------
kernel BUG at mm/page_alloc.c:4996!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 0 Comm: swapper Not tainted 6.15.0-rc4-syzkaller-gb6a218ff8b88-dirty #0 PREEMPT(undef)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__alloc_frozen_pages_noprof+0x1404/0x2520 mm/page_alloc.c:4996
Code: 0f 8f 21 f2 ff ff 8b 84 24 84 00 00 00 65 8b 15 42 c7 8f 11 83 c8 60 81 e2 00 01 ff 00 41 0f 45 c5 41 89 c5 e9 fe f1 ff ff 90 <0f> 0b 65 4c 8b 25 0a c7 8f 11 48 b8 00 00 00 00 00 fc ff df 49 8d
RSP: 0000:ffffffff8e0079f8 EFLAGS: 00010086
RAX: 00000000dead0000 RBX: ffffea00006d1040 RCX: ffffffff821407e6
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffea00006d109c
RBP: ffffea00006d109c R08: 0000000000000000 R09: fffff940000da213
R10: ffffea00006d109f R11: dffffc0000000000 R12: 1ffffffff1c00f54
R13: 0000000000000015 R14: ffffea00006d1040 R15: 0000000000252000
FS: 0000000000000000(0000) GS:ffff8880d69e2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff88817ffff000 CR3: 000000000e180000 CR4: 00000000000000b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
alloc_slab_page mm/slub.c:2452 [inline]
allocate_slab mm/slub.c:2618 [inline]
new_slab+0x94/0x340 mm/slub.c:2672
___slab_alloc+0xd9c/0x1940 mm/slub.c:3858
__slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3948
__slab_alloc_node mm/slub.c:4023 [inline]
slab_alloc_node mm/slub.c:4184 [inline]
kmem_cache_alloc_node_noprof+0xf5/0x3b0 mm/slub.c:4248
init_kmem_cache_nodes mm/slub.c:5629 [inline]
do_kmem_cache_create+0x1b3/0x730 mm/slub.c:6454
create_boot_cache+0xba/0x140 mm/slab_common.c:671
create_kmalloc_cache mm/slab_common.c:689 [inline]
new_kmalloc_cache+0x104/0x260 mm/slab_common.c:936
create_kmalloc_caches+0x31/0x50 mm/slab_common.c:965
kmem_cache_init+0x118/0x180 mm/slub.c:6346
mm_core_init+0x123/0x220 mm/mm_init.c:2771
start_kernel+0x197/0x4d0 init/main.c:957
x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:513
x86_64_start_kernel+0xb0/0xc0 arch/x86/kernel/head64.c:494
common_startup_64+0x13e/0x148
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__alloc_frozen_pages_noprof+0x1404/0x2520 mm/page_alloc.c:4996
Code: 0f 8f 21 f2 ff ff 8b 84 24 84 00 00 00 65 8b 15 42 c7 8f 11 83 c8 60 81 e2 00 01 ff 00 41 0f 45 c5 41 89 c5 e9 fe f1 ff ff 90 <0f> 0b 65 4c 8b 25 0a c7 8f 11 48 b8 00 00 00 00 00 fc ff df 49 8d
RSP: 0000:ffffffff8e0079f8 EFLAGS: 00010086
RAX: 00000000dead0000 RBX: ffffea00006d1040 RCX: ffffffff821407e6
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffea00006d109c
RBP: ffffea00006d109c R08: 0000000000000000 R09: fffff940000da213
R10: ffffea00006d109f R11: dffffc0000000000 R12: 1ffffffff1c00f54
R13: 0000000000000015 R14: ffffea00006d1040 R15: 0000000000252000
FS: 0000000000000000(0000) GS:ffff8880d69e2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff88817ffff000 CR3: 000000000e180000 CR4: 00000000000000b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
failed to run ["ssh" "-p" "47782" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@localhost" "pwd"]: exit status 255
Connection timed out during banner exchange
Connection to 127.0.0.1 port 47782 timed out
ftruncate: Invalid argument
qemu-system-x86_64: warning: hub 0 is not connected to host network
[ 0.000000][ T0] Linux version 6.15.0-rc4-syzkaller-gb6a218ff8b88-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: root=/dev/sda console=ttyS0 root=/dev/sda1
[ 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 0x0000000000100000-0x000000007ffdcfff] usable
[ 0.000000][ T0] BIOS-e820: [mem 0x000000007ffdd000-0x000000007fffffff] reserved
[ 0.000000][ T0] BIOS-e820: [mem 0x00000000b0000000-0x00000000bfffffff] reserved
[ 0.000000][ T0] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved
[ 0.000000][ T0] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved
[ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
[ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000017fffffff] 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 2.8 present.
[ 0.000000][ T0] DMI: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 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
[ 0.000008][ T0] kvm-clock: using sched offset of 2134394416 cycles
[ 0.004842][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[ 0.016370][ T0] tsc: Detected 2600.024 MHz processor
[ 0.029032][ T0] last_pfn = 0x180000 max_arch_pfn = 0x400000000
[ 0.033308][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs
[ 0.039040][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
[ 0.044178][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000
[ 0.054685][ T0] found SMP MP-table at [mem 0x000f53c0-0x000f53cf]
[ 0.058751][ T0] Using GB pages for direct mapping
[ 0.064789][ T0] ACPI: Early table checksum verification disabled
[ 0.068818][ T0] ACPI: RSDP 0x00000000000F5190 000014 (v00 BOCHS )
[ 0.072899][ T0] ACPI: RSDT 0x000000007FFE2925 000048 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.078676][ T0] ACPI: FACP 0x000000007FFE1B2C 0000F4 (v03 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.084482][ T0] ACPI: DSDT 0x000000007FFDF040 002AEC (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.090663][ T0] ACPI: FACS 0x000000007FFDF000 000040
[ 0.094100][ T0] ACPI: APIC 0x000000007FFE1C20 0000B0 (v03 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.099885][ T0] ACPI: HPET 0x000000007FFE1CD0 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.105824][ T0] ACPI: SRAT 0x000000007FFE1D08 000178 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.111602][ T0] ACPI: MCFG 0x000000007FFE1E80 00003C (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.117336][ T0] ACPI: DMAR 0x000000007FFE1EBC 0000C0 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.123170][ T0] ACPI: SSDT 0x000000007FFE1F7C 0008A1 (v01 BOCHS NVDIMM 00000001 BXPC 00000001)
[ 0.128948][ T0] ACPI: NFIT 0x000000007FFE281D 0000E0 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.134762][ T0] ACPI: WAET 0x000000007FFE28FD 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.140519][ T0] ACPI: Reserving FACP table memory at [mem 0x7ffe1b2c-0x7ffe1c1f]
[ 0.145407][ T0] ACPI: Reserving DSDT table memory at [mem 0x7ffdf040-0x7ffe1b2b]
[ 0.150272][ T0] ACPI: Reserving FACS table memory at [mem 0x7ffdf000-0x7ffdf03f]
[ 0.155103][ T0] ACPI: Reserving APIC table memory at [mem 0x7ffe1c20-0x7ffe1ccf]
[ 0.159951][ T0] ACPI: Reserving HPET table memory at [mem 0x7ffe1cd0-0x7ffe1d07]
[ 0.164803][ T0] ACPI: Reserving SRAT table memory at [mem 0x7ffe1d08-0x7ffe1e7f]
[ 0.169688][ T0] ACPI: Reserving MCFG table memory at [mem 0x7ffe1e80-0x7ffe1ebb]
[ 0.174515][ T0] ACPI: Reserving DMAR table memory at [mem 0x7ffe1ebc-0x7ffe1f7b]
[ 0.179372][ T0] ACPI: Reserving SSDT table memory at [mem 0x7ffe1f7c-0x7ffe281c]
[ 0.184230][ T0] ACPI: Reserving NFIT table memory at [mem 0x7ffe281d-0x7ffe28fc]
[ 0.189069][ T0] ACPI: Reserving WAET table memory at [mem 0x7ffe28fd-0x7ffe2924]
[ 0.194370][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff]
[ 0.198626][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x7fffffff]
[ 0.202892][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x17fffffff]
[ 0.207289][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x180000000-0x183ffffff] non-volatile
[ 0.212410][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x180000000-0x57fffffff] hotplug
[ 0.217205][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0x7fffffff] -> [mem 0x00001000-0x7fffffff]
[ 0.224074][ T0] NUMA: Node 0 [mem 0x00001000-0x7fffffff] + [mem 0x100000000-0x17fffffff] -> [mem 0x00001000-0x17fffffff]
[ 0.231124][ T0] Faking node 0 at [mem 0x0000000000001000-0x00000000ffffffff] (4095MB)
[ 0.236269][ T0] Faking node 1 at [mem 0x0000000100000000-0x000000017fffffff] (2048MB)
[ 0.241797][ T0] NODE_DATA(0) allocated [mem 0x7ffd7400-0x7ffdcfff]
[ 0.245886][ T0] NODE_DATA(1) allocated [mem 0x17fff7400-0x17fffcfff]
[ 0.266117][ T0] Zone ranges:
[ 0.268234][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.272595][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
[ 0.276920][ T0] Normal [mem 0x0000000100000000-0x000000017fffffff]
[ 0.281265][ T0] Device empty
[ 0.283523][ T0] Movable zone start for each node
[ 0.286649][ T0] Early memory node ranges
[ 0.289362][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff]
[ 0.293795][ T0] node 0: [mem 0x0000000000100000-0x000000007ffdcfff]
[ 0.298212][ T0] node 1: [mem 0x0000000100000000-0x000000017fffffff]
[ 0.302637][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000007ffdcfff]
[ 0.307549][ T0] Initmem setup node 1 [mem 0x0000000100000000-0x000000017fffffff]
[ 0.312485][ T0] On node 0, zone DMA: 1 pages in unavailable ranges
[ 0.316851][ T0] On node 0, zone DMA: 97 pages in unavailable ranges
[ 0.372092][ T0] On node 1, zone Normal: 35 pages in unavailable ranges
[ 0.537077][ T0] kasan: KernelAddressSanitizer initialized
[ 0.548737][ T0] ACPI: PM-Timer IO Port: 0x608
[ 0.552729][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.558491][ T0] IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23
[ 0.564712][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.570522][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[ 0.576498][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.582531][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[ 0.588710][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[ 0.594796][ T0] ACPI: Using ACPI (MADT) for SMP configuration information
[ 0.600603][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[ 0.605220][ T0] TSC deadline timer available
[ 0.608936][ T0] CPU topo: Max. logical packages: 2
[ 0.613282][ T0] CPU topo: Max. logical dies: 2
[ 0.617554][ T0] CPU topo: Max. dies per package: 1
[ 0.621924][ T0] CPU topo: Max. threads per core: 2
[ 0.626307][ T0] CPU topo: Num. cores per package: 2
[ 0.630942][ T0] CPU topo: Num. threads per package: 4
[ 0.635434][ T0] CPU topo: Allowing 4 present CPUs plus 4 hotplug CPUs
[ 0.641189][ T0] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write()
[ 0.647680][ T0] kvm-guest: KVM setup pv remote TLB flush
[ 0.652398][ T0] kvm-guest: setup PV sched yield
[ 0.656549][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 0.663361][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff]
[ 0.670164][ T0] PM: hibernation: Registered nosave memory: [mem 0x7ffdd000-0xffffffff]
[ 0.677174][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices
[ 0.682102][ T0] Booting paravirtualized kernel on KVM
[ 0.685781][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.747592][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:8 nr_node_ids:2
[ 0.755074][ T0] percpu: Embedded 69 pages/cpu s245512 r8192 d28920 u1048576
[ 0.760109][ T0] kvm-guest: PV spinlocks enabled
[ 0.763196][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 0.768644][ 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
[ 0.773120][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl nbds_max=32", will be passed to user space.
[ 0.841187][ T0] random: crng init done
[ 0.843925][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes
[ 0.850451][ T0] software IO TLB: area num 8.
[ 0.877944][ T0] Fallback order for Node 0: 0 1
[ 0.877964][ T0] Fallback order for Node 1: 1 0
[ 0.877978][ T0] Built 2 zonelists, mobility grouping on. Total pages: 1048443
[ 0.890242][ T0] Policy zone: Normal
[ 0.893142][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off
[ 0.897550][ T0] stackdepot: allocating hash table via alloc_large_system_hash
[ 0.902260][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear)
[ 1.214633][ T0] ------------[ cut here ]------------
[ 1.217852][ T0] kernel BUG at mm/page_alloc.c:4996!
[ 1.220930][ T0] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
[ 1.224574][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper Not tainted 6.15.0-rc4-syzkaller-gb6a218ff8b88-dirty #0 PREEMPT(undef)
[ 1.231268][ T0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 1.237627][ T0] RIP: 0010:__alloc_frozen_pages_noprof+0x1404/0x2520
[ 1.242184][ T0] Code: 0f 8f 21 f2 ff ff 8b 84 24 84 00 00 00 65 8b 15 42 c7 8f 11 83 c8 60 81 e2 00 01 ff 00 41 0f 45 c5 41 89 c5 e9 fe f1 ff ff 90 <0f> 0b 65 4c 8b 25 0a c7 8f 11 48 b8 00 00 00 00 00 fc ff df 49 8d
[ 1.253449][ T0] RSP: 0000:ffffffff8e0079f8 EFLAGS: 00010086
[ 1.256874][ T0] RAX: 00000000dead0000 RBX: ffffea00006d1040 RCX: ffffffff821407e6
[ 1.261855][ T0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffea00006d109c
[ 1.266392][ T0] RBP: ffffea00006d109c R08: 0000000000000000 R09: fffff940000da213
[ 1.270965][ T0] R10: ffffea00006d109f R11: dffffc0000000000 R12: 1ffffffff1c00f54
[ 1.276225][ T0] R13: 0000000000000015 R14: ffffea00006d1040 R15: 0000000000252000
[ 1.281956][ T0] FS: 0000000000000000(0000) GS:ffff8880d69e2000(0000) knlGS:0000000000000000
[ 1.288351][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.293167][ T0] CR2: ffff88817ffff000 CR3: 000000000e180000 CR4: 00000000000000b0
[ 1.298931][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1.304731][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1.310543][ T0] Call Trace:
[ 1.312870][ T0]
[ 1.314588][ T0] ? unwind_next_frame+0x3fe/0x20a0
[ 1.317597][ T0] ? common_startup_64+0x13e/0x148
[ 1.320519][ T0] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 1.324051][ T0] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[ 1.327730][ T0] ? __lock_acquire+0xaa4/0x1ba0
[ 1.330584][ T0] ? stack_trace_save+0x8e/0xc0
[ 1.333356][ T0] ? __pfx_stack_trace_save+0x10/0x10
[ 1.336385][ T0] new_slab+0x94/0x340
[ 1.338711][ T0] ___slab_alloc+0xd9c/0x1940
[ 1.341338][ T0] ? do_kmem_cache_create+0x1b3/0x730
[ 1.344384][ T0] ? new_slab+0x2d1/0x340
[ 1.346813][ T0] ? do_kmem_cache_create+0x1b3/0x730
[ 1.349994][ T0] ? __slab_alloc.constprop.0+0x56/0xb0
[ 1.353155][ T0] __slab_alloc.constprop.0+0x56/0xb0
[ 1.356234][ T0] kmem_cache_alloc_node_noprof+0xf5/0x3b0
[ 1.359629][ T0] ? do_kmem_cache_create+0x1b3/0x730
[ 1.362867][ T0] do_kmem_cache_create+0x1b3/0x730
[ 1.365861][ T0] create_boot_cache+0xba/0x140
[ 1.369050][ T0] new_kmalloc_cache+0x104/0x260
[ 1.371932][ T0] create_kmalloc_caches+0x31/0x50
[ 1.374850][ T0] kmem_cache_init+0x118/0x180
[ 1.377572][ T0] mm_core_init+0x123/0x220
[ 1.380169][ T0] start_kernel+0x197/0x4d0
[ 1.382673][ T0] x86_64_start_reservations+0x18/0x30
[ 1.385804][ T0] x86_64_start_kernel+0xb0/0xc0
[ 1.388641][ T0] common_startup_64+0x13e/0x148
[ 1.391477][ T0]
[ 1.393164][ T0] Modules linked in:
[ 1.395366][ T0] ---[ end trace 0000000000000000 ]---
[ 1.398754][ T0] RIP: 0010:__alloc_frozen_pages_noprof+0x1404/0x2520
[ 1.403234][ T0] Code: 0f 8f 21 f2 ff ff 8b 84 24 84 00 00 00 65 8b 15 42 c7 8f 11 83 c8 60 81 e2 00 01 ff 00 41 0f 45 c5 41 89 c5 e9 fe f1 ff ff 90 <0f> 0b 65 4c 8b 25 0a c7 8f 11 48 b8 00 00 00 00 00 fc ff df 49 8d
[ 1.414886][ T0] RSP: 0000:ffffffff8e0079f8 EFLAGS: 00010086
[ 1.418676][ T0] RAX: 00000000dead0000 RBX: ffffea00006d1040 RCX: ffffffff821407e6
[ 1.423528][ T0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffea00006d109c
[ 1.428395][ T0] RBP: ffffea00006d109c R08: 0000000000000000 R09: fffff940000da213
[ 1.434348][ T0] R10: ffffea00006d109f R11: dffffc0000000000 R12: 1ffffffff1c00f54
[ 1.439111][ T0] R13: 0000000000000015 R14: ffffea00006d1040 R15: 0000000000252000
[ 1.443746][ T0] FS: 0000000000000000(0000) GS:ffff8880d69e2000(0000) knlGS:0000000000000000
[ 1.449598][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.453405][ T0] CR2: ffff88817ffff000 CR3: 000000000e180000 CR4: 00000000000000b0
[ 1.458118][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1.462997][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1.467716][ T0] Kernel panic - not syncing: Fatal exception
[ 1.472707][ 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/linux/gopath/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/syzkaller/jobs/linux/gopath'
GOPRIVATE=''
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/syzkaller/jobs/linux/gopath/pkg/mod/golang.org/toolchain@v0.0.1-go1.23.7.linux-amd64'
GOSUMDB='sum.golang.org'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/syzkaller/jobs/linux/gopath/pkg/mod/golang.org/toolchain@v0.0.1-go1.23.7.linux-amd64/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.23.7'
GODEBUG=''
GOTELEMETRY='local'
GOTELEMETRYDIR='/syzkaller/.config/go/telemetry'
GCCGO='gccgo'
GOAMD64='v1'
AR='ar'
CC='gcc'
CXX='g++'
CGO_ENABLED='1'
GOMOD='/syzkaller/jobs/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-build1408207977=/tmp/go-build -gno-record-gcc-switches'
git status (err=)
HEAD detached at c6b4fb399
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=c6b4fb399236b655a39701fd51c33522caa06811 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250425-123509'" -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=\"c6b4fb399236b655a39701fd51c33522caa06811\"
/usr/bin/ld: /tmp/ccx3kK0j.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