kernel BUG in make_alloc_exact
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)
SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=8, Nodes=2
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x27f pfn:0x1ba7f
head: order:10 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 ffffea00006e0001 ffffea00006e9fc8 dead000000000400
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
head: 00fff00000000040 0000000000000000 dead000000000122 0000000000000000
head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
head: 00fff0000000000a ffffea00006e0001 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000400
page dumped because: VM_BUG_ON_PAGE(PageTail(page))
------------[ cut here ]------------
kernel BUG at mm/internal.h:492!
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:set_page_refcounted mm/internal.h:492 [inline]
RIP: 0010:make_alloc_exact+0xf0/0x310 mm/page_alloc.c:5115
Code: 38 00 0f 85 f1 01 00 00 48 8b 45 08 a8 01 75 0a 66 90 48 89 e8 48 39 c5 74 1e 48 c7 c6 c0 ea 9b 8b 48 89 ef e8 91 02 f1 ff 90 <0f> 0b f7 c5 ff 0f 00 00 0f 84 50 01 00 00 4c 8d 75 34 be 04 00 00
RSP: 0000:ffffffff8e007da8 EFLAGS: 00010093
RAX: 0000000000000000 RBX: ffffea00006ea000 RCX: ffffffff819a90e9
RDX: ffffffff8e097740 RSI: ffffffff8212f74f RDI: 0000000000000005
RBP: ffffea00006e9fc0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffffea00006e0000
R13: ffff88801b800000 R14: 0000000000280000 R15: dffffc0000000000
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_pages_exact_nid_noprof+0x1e1/0x310 mm/page_alloc.c:5175
alloc_page_ext mm/page_ext.c:271 [inline]
init_section_page_ext+0x114/0x1e0 mm/page_ext.c:295
page_ext_init+0x5c0/0xab0 mm/page_ext.c:490
mm_core_init+0x13c/0x220 mm/mm_init.c:2784
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:set_page_refcounted mm/internal.h:492 [inline]
RIP: 0010:make_alloc_exact+0xf0/0x310 mm/page_alloc.c:5115
Code: 38 00 0f 85 f1 01 00 00 48 8b 45 08 a8 01 75 0a 66 90 48 89 e8 48 39 c5 74 1e 48 c7 c6 c0 ea 9b 8b 48 89 ef e8 91 02 f1 ff 90 <0f> 0b f7 c5 ff 0f 00 00 0f 84 50 01 00 00 4c 8d 75 34 be 04 00 00
RSP: 0000:ffffffff8e007da8 EFLAGS: 00010093
RAX: 0000000000000000 RBX: ffffea00006ea000 RCX: ffffffff819a90e9
RDX: ffffffff8e097740 RSI: ffffffff8212f74f RDI: 0000000000000005
RBP: ffffea00006e9fc0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffffea00006e0000
R13: ffff88801b800000 R14: 0000000000280000 R15: dffffc0000000000
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" "23624" "-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 23624 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
[ 0.000006][ T0] kvm-clock: using sched offset of 2071506980 cycles
[ 0.004302][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[ 0.017619][ T0] tsc: Detected 2600.024 MHz processor
[ 0.032246][ T0] last_pfn = 0x180000 max_arch_pfn = 0x400000000
[ 0.037013][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs
[ 0.044101][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
[ 0.050431][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000
[ 0.062709][ T0] found SMP MP-table at [mem 0x000f53c0-0x000f53cf]
[ 0.067715][ T0] Using GB pages for direct mapping
[ 0.074067][ T0] ACPI: Early table checksum verification disabled
[ 0.078155][ T0] ACPI: RSDP 0x00000000000F5190 000014 (v00 BOCHS )
[ 0.082273][ T0] ACPI: RSDT 0x000000007FFE2925 000048 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.088060][ T0] ACPI: FACP 0x000000007FFE1B2C 0000F4 (v03 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.094133][ T0] ACPI: DSDT 0x000000007FFDF040 002AEC (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.099978][ T0] ACPI: FACS 0x000000007FFDF000 000040
[ 0.103348][ T0] ACPI: APIC 0x000000007FFE1C20 0000B0 (v03 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.109833][ T0] ACPI: HPET 0x000000007FFE1CD0 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.116038][ T0] ACPI: SRAT 0x000000007FFE1D08 000178 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.121813][ T0] ACPI: MCFG 0x000000007FFE1E80 00003C (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.127622][ T0] ACPI: DMAR 0x000000007FFE1EBC 0000C0 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.134260][ T0] ACPI: SSDT 0x000000007FFE1F7C 0008A1 (v01 BOCHS NVDIMM 00000001 BXPC 00000001)
[ 0.140094][ T0] ACPI: NFIT 0x000000007FFE281D 0000E0 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.145921][ T0] ACPI: WAET 0x000000007FFE28FD 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.151741][ T0] ACPI: Reserving FACP table memory at [mem 0x7ffe1b2c-0x7ffe1c1f]
[ 0.157216][ T0] ACPI: Reserving DSDT table memory at [mem 0x7ffdf040-0x7ffe1b2b]
[ 0.162909][ T0] ACPI: Reserving FACS table memory at [mem 0x7ffdf000-0x7ffdf03f]
[ 0.168552][ T0] ACPI: Reserving APIC table memory at [mem 0x7ffe1c20-0x7ffe1ccf]
[ 0.174438][ T0] ACPI: Reserving HPET table memory at [mem 0x7ffe1cd0-0x7ffe1d07]
[ 0.181196][ T0] ACPI: Reserving SRAT table memory at [mem 0x7ffe1d08-0x7ffe1e7f]
[ 0.193129][ T0] ACPI: Reserving MCFG table memory at [mem 0x7ffe1e80-0x7ffe1ebb]
[ 0.198373][ T0] ACPI: Reserving DMAR table memory at [mem 0x7ffe1ebc-0x7ffe1f7b]
[ 0.203686][ T0] ACPI: Reserving SSDT table memory at [mem 0x7ffe1f7c-0x7ffe281c]
[ 0.208931][ T0] ACPI: Reserving NFIT table memory at [mem 0x7ffe281d-0x7ffe28fc]
[ 0.214571][ T0] ACPI: Reserving WAET table memory at [mem 0x7ffe28fd-0x7ffe2924]
[ 0.219893][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff]
[ 0.224126][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x7fffffff]
[ 0.228351][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x17fffffff]
[ 0.232651][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x180000000-0x183ffffff] non-volatile
[ 0.237745][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x180000000-0x57fffffff] hotplug
[ 0.242562][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0x7fffffff] -> [mem 0x00001000-0x7fffffff]
[ 0.249692][ T0] NUMA: Node 0 [mem 0x00001000-0x7fffffff] + [mem 0x100000000-0x17fffffff] -> [mem 0x00001000-0x17fffffff]
[ 0.256916][ T0] Faking node 0 at [mem 0x0000000000001000-0x00000000ffffffff] (4095MB)
[ 0.262089][ T0] Faking node 1 at [mem 0x0000000100000000-0x000000017fffffff] (2048MB)
[ 0.267856][ T0] NODE_DATA(0) allocated [mem 0x7ffd7400-0x7ffdcfff]
[ 0.272272][ T0] NODE_DATA(1) allocated [mem 0x17fff7400-0x17fffcfff]
[ 0.295403][ T0] Zone ranges:
[ 0.298021][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.302746][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
[ 0.307235][ T0] Normal [mem 0x0000000100000000-0x000000017fffffff]
[ 0.311961][ T0] Device empty
[ 0.314812][ T0] Movable zone start for each node
[ 0.318751][ T0] Early memory node ranges
[ 0.322138][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff]
[ 0.327414][ T0] node 0: [mem 0x0000000000100000-0x000000007ffdcfff]
[ 0.331845][ T0] node 1: [mem 0x0000000100000000-0x000000017fffffff]
[ 0.336284][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000007ffdcfff]
[ 0.341199][ T0] Initmem setup node 1 [mem 0x0000000100000000-0x000000017fffffff]
[ 0.346646][ T0] On node 0, zone DMA: 1 pages in unavailable ranges
[ 0.351958][ T0] On node 0, zone DMA: 97 pages in unavailable ranges
[ 0.420925][ T0] On node 1, zone Normal: 35 pages in unavailable ranges
[ 0.583331][ T0] kasan: KernelAddressSanitizer initialized
[ 0.592132][ T0] ACPI: PM-Timer IO Port: 0x608
[ 0.595160][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.599524][ T0] IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23
[ 0.604294][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.609296][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[ 0.613935][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.618570][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[ 0.623323][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[ 0.628210][ T0] ACPI: Using ACPI (MADT) for SMP configuration information
[ 0.632741][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[ 0.636460][ T0] TSC deadline timer available
[ 0.639404][ T0] CPU topo: Max. logical packages: 2
[ 0.642770][ T0] CPU topo: Max. logical dies: 2
[ 0.646150][ T0] CPU topo: Max. dies per package: 1
[ 0.649519][ T0] CPU topo: Max. threads per core: 2
[ 0.652908][ T0] CPU topo: Num. cores per package: 2
[ 0.656439][ T0] CPU topo: Num. threads per package: 4
[ 0.659955][ T0] CPU topo: Allowing 4 present CPUs plus 4 hotplug CPUs
[ 0.664357][ T0] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write()
[ 0.669294][ T0] kvm-guest: KVM setup pv remote TLB flush
[ 0.672863][ T0] kvm-guest: setup PV sched yield
[ 0.676026][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 0.681205][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff]
[ 0.686442][ T0] PM: hibernation: Registered nosave memory: [mem 0x7ffdd000-0xffffffff]
[ 0.691621][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices
[ 0.695923][ T0] Booting paravirtualized kernel on KVM
[ 0.699327][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.758588][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:8 nr_node_ids:2
[ 0.766332][ T0] percpu: Embedded 69 pages/cpu s245512 r8192 d28920 u1048576
[ 0.771194][ T0] kvm-guest: PV spinlocks enabled
[ 0.774214][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 0.779181][ 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
[ 0.783256][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl nbds_max=32", will be passed to user space.
[ 0.847916][ T0] random: crng init done
[ 0.850560][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes
[ 0.856441][ T0] software IO TLB: area num 8.
[ 0.885594][ T0] Fallback order for Node 0: 0 1
[ 0.885614][ T0] Fallback order for Node 1: 1 0
[ 0.885628][ T0] Built 2 zonelists, mobility grouping on. Total pages: 1048443
[ 0.895824][ T0] Policy zone: Normal
[ 0.898721][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off
[ 0.903109][ T0] stackdepot: allocating hash table via alloc_large_system_hash
[ 0.907530][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear)
[ 1.175223][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=8, Nodes=2
[ 1.183811][ T0] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x27f pfn:0x1ba7f
[ 1.188953][ T0] head: order:10 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 1.193897][ T0] flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
[ 1.198196][ T0] raw: 00fff00000000000 ffffea00006e0001 ffffea00006e9fc8 dead000000000400
[ 1.203084][ T0] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 1.207986][ T0] head: 00fff00000000040 0000000000000000 dead000000000122 0000000000000000
[ 1.212924][ T0] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[ 1.217877][ T0] head: 00fff0000000000a ffffea00006e0001 00000000ffffffff 00000000ffffffff
[ 1.222839][ T0] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000400
[ 1.227784][ T0] page dumped because: VM_BUG_ON_PAGE(PageTail(page))
[ 1.231726][ T0] ------------[ cut here ]------------
[ 1.234861][ T0] kernel BUG at mm/internal.h:492!
[ 1.237753][ T0] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
[ 1.241379][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper Not tainted 6.15.0-rc4-syzkaller-gb6a218ff8b88-dirty #0 PREEMPT(undef)
[ 1.248001][ T0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 1.254202][ T0] RIP: 0010:make_alloc_exact+0xf0/0x310
[ 1.257331][ T0] Code: 38 00 0f 85 f1 01 00 00 48 8b 45 08 a8 01 75 0a 66 90 48 89 e8 48 39 c5 74 1e 48 c7 c6 c0 ea 9b 8b 48 89 ef e8 91 02 f1 ff 90 <0f> 0b f7 c5 ff 0f 00 00 0f 84 50 01 00 00 4c 8d 75 34 be 04 00 00
[ 1.268638][ T0] RSP: 0000:ffffffff8e007da8 EFLAGS: 00010093
[ 1.272081][ T0] RAX: 0000000000000000 RBX: ffffea00006ea000 RCX: ffffffff819a90e9
[ 1.276605][ T0] RDX: ffffffff8e097740 RSI: ffffffff8212f74f RDI: 0000000000000005
[ 1.281134][ T0] RBP: ffffea00006e9fc0 R08: 0000000000000005 R09: 0000000000000000
[ 1.285654][ T0] R10: 0000000000000001 R11: 0000000000000001 R12: ffffea00006e0000
[ 1.290222][ T0] R13: ffff88801b800000 R14: 0000000000280000 R15: dffffc0000000000
[ 1.294752][ T0] FS: 0000000000000000(0000) GS:ffff8880d69e2000(0000) knlGS:0000000000000000
[ 1.299867][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.303616][ T0] CR2: ffff88817ffff000 CR3: 000000000e180000 CR4: 00000000000000b0
[ 1.308197][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1.312735][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1.317277][ T0] Call Trace:
[ 1.319101][ T0]
[ 1.320721][ T0] alloc_pages_exact_nid_noprof+0x1e1/0x310
[ 1.324241][ T0] ? __pfx_alloc_pages_exact_nid_noprof+0x10/0x10
[ 1.327904][ T0] ? lock_acquire+0x179/0x350
[ 1.330558][ T0] ? find_held_lock+0x2b/0x80
[ 1.333246][ T0] init_section_page_ext+0x114/0x1e0
[ 1.336418][ T0] page_ext_init+0x5c0/0xab0
[ 1.339059][ T0] mm_core_init+0x13c/0x220
[ 1.341615][ T0] start_kernel+0x197/0x4d0
[ 1.344190][ T0] x86_64_start_reservations+0x18/0x30
[ 1.347296][ T0] x86_64_start_kernel+0xb0/0xc0
[ 1.350108][ T0] common_startup_64+0x13e/0x148
[ 1.352938][ T0]
[ 1.354656][ T0] Modules linked in:
[ 1.356875][ T0] ---[ end trace 0000000000000000 ]---
[ 1.360018][ T0] RIP: 0010:make_alloc_exact+0xf0/0x310
[ 1.363231][ T0] Code: 38 00 0f 85 f1 01 00 00 48 8b 45 08 a8 01 75 0a 66 90 48 89 e8 48 39 c5 74 1e 48 c7 c6 c0 ea 9b 8b 48 89 ef e8 91 02 f1 ff 90 <0f> 0b f7 c5 ff 0f 00 00 0f 84 50 01 00 00 4c 8d 75 34 be 04 00 00
[ 1.374672][ T0] RSP: 0000:ffffffff8e007da8 EFLAGS: 00010093
[ 1.378196][ T0] RAX: 0000000000000000 RBX: ffffea00006ea000 RCX: ffffffff819a90e9
[ 1.382805][ T0] RDX: ffffffff8e097740 RSI: ffffffff8212f74f RDI: 0000000000000005
[ 1.387418][ T0] RBP: ffffea00006e9fc0 R08: 0000000000000005 R09: 0000000000000000
[ 1.392036][ T0] R10: 0000000000000001 R11: 0000000000000001 R12: ffffea00006e0000
[ 1.396666][ T0] R13: ffff88801b800000 R14: 0000000000280000 R15: dffffc0000000000
[ 1.401324][ T0] FS: 0000000000000000(0000) GS:ffff8880d69e2000(0000) knlGS:0000000000000000
[ 1.406529][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.410368][ T0] CR2: ffff88817ffff000 CR3: 000000000e180000 CR4: 00000000000000b0
[ 1.415019][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1.419639][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1.424249][ T0] Kernel panic - not syncing: Fatal exception
[ 1.428011][ 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-build1084914610=/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/ccxskk81.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