failed to run ["ssh" "-p" "7598" "-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 7598 timed out
[ 0.000000][ T0] Linux version syzkaller (syzkaller@syzkaller) (Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8) #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] x86/CPU: Model not found in latest microcode list
[ 0.000000][ T0] BIOS-provided physical RAM map:
[ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] System RAM
[ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] device reserved
[ 0.000000][ T0] BIOS-e820: [gap 0x00000000000a0000-0x00000000000effff]
[ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] device reserved
[ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x000000007ffdefff] System RAM
[ 0.000000][ T0] BIOS-e820: [mem 0x000000007ffdf000-0x000000007fffffff] device reserved
[ 0.000000][ T0] BIOS-e820: [gap 0x0000000080000000-0x00000000afffffff]
[ 0.000000][ T0] BIOS-e820: [mem 0x00000000b0000000-0x00000000bfffffff] device reserved
[ 0.000000][ T0] BIOS-e820: [gap 0x00000000c0000000-0x00000000fed1bfff]
[ 0.000000][ T0] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] device reserved
[ 0.000000][ T0] BIOS-e820: [gap 0x00000000fed20000-0x00000000feffbfff]
[ 0.000000][ T0] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] device reserved
[ 0.000000][ T0] BIOS-e820: [gap 0x00000000ff000000-0x00000000fffbffff]
[ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] device reserved
[ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000023fffffff] System RAM
[ 0.000000][ T0] printk: legacy bootconsole [earlyser0] enabled
[ 0.000000][ T0] ERROR: earlyprintk= earlyser already used
[ 0.000000][ T0] ERROR: earlyprintk= earlyser already used
[ 0.000000][ T0] Hash pointers mode set to never.
[ 0.000000][ T0] Malformed early option 'vsyscall'
[ 0.000000][ T0] NX (Execute Disable) protection: active
[ 0.000000][ T0] APIC: Static calls initialized
[ 0.000000][ T0] DMI: SMBIOS 2.8 present.
[ 0.000000][ T0] DMI: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 0.000000][ T0] DMI: Memory slots populated: 1/1
[ 0.000000][ T0] Hypervisor detected: KVM
[ 0.000000][ T0] last_pfn = 0x7ffdf max_arch_pfn = 0x400000000
[ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00
[ 0.000008][ T0] kvm-clock: using sched offset of 2051097007 cycles
[ 0.004985][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[ 0.019892][ T0] tsc: Detected 2799.998 MHz processor
[ 0.030634][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000
[ 0.036312][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs
[ 0.043895][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
[ 0.050872][ T0] last_pfn = 0x7ffdf max_arch_pfn = 0x400000000
[ 0.062443][ T0] found SMP MP-table at [mem 0x000f5b80-0x000f5b8f]
[ 0.071473][ T0] ACPI: Early table checksum verification disabled
[ 0.076887][ T0] ACPI: RSDP 0x00000000000F5960 000014 (v00 BOCHS )
[ 0.082442][ T0] ACPI: RSDT 0x000000007FFE234D 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.090068][ T0] ACPI: FACP 0x000000007FFE213D 0000F4 (v03 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.097816][ T0] ACPI: DSDT 0x000000007FFE0040 0020FD (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.105557][ T0] ACPI: FACS 0x000000007FFE0000 000040
[ 0.110067][ T0] ACPI: APIC 0x000000007FFE2231 000080 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.117636][ T0] ACPI: HPET 0x000000007FFE22B1 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.125462][ T0] ACPI: MCFG 0x000000007FFE22E9 00003C (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.132435][ T0] ACPI: WAET 0x000000007FFE2325 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.139003][ T0] ACPI: Reserving FACP table memory at [mem 0x7ffe213d-0x7ffe2230]
[ 0.144503][ T0] ACPI: Reserving DSDT table memory at [mem 0x7ffe0040-0x7ffe213c]
[ 0.149811][ T0] ACPI: Reserving FACS table memory at [mem 0x7ffe0000-0x7ffe003f]
[ 0.155418][ T0] ACPI: Reserving APIC table memory at [mem 0x7ffe2231-0x7ffe22b0]
[ 0.160821][ T0] ACPI: Reserving HPET table memory at [mem 0x7ffe22b1-0x7ffe22e8]
[ 0.166506][ T0] ACPI: Reserving MCFG table memory at [mem 0x7ffe22e9-0x7ffe2324]
[ 0.173049][ T0] ACPI: Reserving WAET table memory at [mem 0x7ffe2325-0x7ffe234c]
[ 0.180259][ T0] No NUMA configuration found
[ 0.183523][ T0] Faking a node at [mem 0x0000000000000000-0x000000023fffffff]
[ 0.189243][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000160000fff] (5632MB)
[ 0.194716][ T0] Faking node 1 at [mem 0x0000000160001000-0x000000023fffffff] (3583MB)
[ 0.200069][ T0] NODE_DATA(0) allocated [mem 0x15fffb100-0x160000fff]
[ 0.205292][ T0] NODE_DATA(1) allocated [mem 0x23fff7100-0x23fffcfff]
[ 0.421950][ T0] KernelAddressSanitizer initialized (generic)
[ 0.428504][ T0] ACPI: PM-Timer IO Port: 0x608
[ 0.432468][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.437692][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[ 0.443053][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.447961][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[ 0.453547][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.458812][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[ 0.464341][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[ 0.470444][ T0] ACPI: Using ACPI (MADT) for SMP configuration information
[ 0.476394][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[ 0.481296][ T0] CPU topo: Max. logical packages: 2
[ 0.485632][ T0] CPU topo: Max. logical nodes: 1
[ 0.490066][ T0] CPU topo: Num. nodes per package: 1
[ 0.494566][ T0] CPU topo: Max. logical dies: 2
[ 0.498915][ T0] CPU topo: Max. dies per package: 1
[ 0.503397][ T0] CPU topo: Max. threads per core: 1
[ 0.507913][ T0] CPU topo: Num. cores per package: 1
[ 0.512547][ T0] CPU topo: Num. threads per package: 1
[ 0.517048][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs
[ 0.521868][ T0] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write()
[ 0.527460][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 0.533405][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff]
[ 0.539518][ T0] PM: hibernation: Registered nosave memory: [mem 0x7ffdf000-0xffffffff]
[ 0.545246][ T0] [gap 0xc0000000-0xfed1bfff] available for PCI devices
[ 0.549770][ T0] Booting paravirtualized kernel on KVM
[ 0.553276][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.670176][ T0] Zone ranges:
[ 0.672888][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.678261][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
[ 0.683594][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff]
[ 0.688422][ T0] Device empty
[ 0.691244][ T0] Movable zone start for each node
[ 0.694846][ T0] Early memory node ranges
[ 0.697894][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff]
[ 0.702717][ T0] node 0: [mem 0x0000000000100000-0x000000007ffdefff]
[ 0.707658][ T0] node 0: [mem 0x0000000100000000-0x0000000160000fff]
[ 0.712780][ T0] node 1: [mem 0x0000000160001000-0x000000023fffffff]
[ 0.718367][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000160000fff]
[ 0.724971][ T0] Initmem setup node 1 [mem 0x0000000160001000-0x000000023fffffff]
[ 0.731575][ T0] On node 0, zone DMA: 1 pages in unavailable ranges
[ 0.737585][ T0] On node 0, zone DMA: 97 pages in unavailable ranges
[ 0.808459][ T0] On node 0, zone Normal: 33 pages in unavailable ranges
[ 0.881869][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2
[ 0.889871][ T0] percpu: Embedded 71 pages/cpu s250632 r8192 d31992 u2097152
[ 0.896372][ T0] kvm-guest: PV spinlocks disabled, no host support
[ 0.901833][ 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 \
[ 0.975376][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 root=/dev/sda console=ttyS0 root=/dev/sda1
[ 0.990513][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space.
[ 0.998402][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes
[ 1.005461][ T0] software IO TLB: area num 2.
[ 1.032329][ T0] Fallback order for Node 0: 0 1
[ 1.032352][ T0] Fallback order for Node 1: 1 0
[ 1.032368][ T0] Built 2 zonelists, mobility grouping on. Total pages: 1834877
[ 1.041686][ T0] Policy zone: Normal
[ 1.044174][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off
[ 1.048322][ T0] stackdepot: allocating hash table via alloc_large_system_hash
[ 1.052400][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear)
[ 1.061341][ T0] stackdepot: allocating space for 8192 stack pools via memblock
[ 1.683743][ T0] **********************************************************
[ 1.688515][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **
[ 1.693214][ T0] ** **
[ 1.697929][ T0] ** This system shows unhashed kernel memory addresses **
[ 1.702796][ T0] ** via the console, logs, and other interfaces. This **
[ 1.707568][ T0] ** might reduce the security of your system. **
[ 1.712308][ T0] ** **
[ 1.717124][ T0] ** If you see this message and you are not debugging **
[ 1.721941][ T0] ** the kernel, report this immediately to your system **
[ 1.726687][ T0] ** administrator! **
[ 1.731521][ T0] ** **
[ 1.736229][ T0] ** Use hash_pointers=always to force this mode off **
[ 1.740967][ T0] ** **
[ 1.745745][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **
[ 1.750507][ T0] **********************************************************
[ 1.755797][ T0] ------------[ cut here ]------------
[ 1.759329][ T0] debug_locks && !(lock_is_held(&(&s->cpu_sheaves->lock)->dep_map) != 0)
[ 1.759338][ T0] WARNING: mm/slub.c:4601 at __pcs_replace_empty_main+0x51b/0x6e0, CPU#0: swapper/0
[ 1.770751][ T0] Modules linked in:
[ 1.773211][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper Not tainted syzkaller #0 PREEMPT(undef)
[ 1.779027][ T0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 1.785626][ T0] RIP: 0010:__pcs_replace_empty_main+0x51b/0x6e0
[ 1.789721][ T0] Code: 48 85 f6 74 15 4c 89 ff 48 89 c6 e8 af 5e ff ff 4d 89 74 24 38 e9 36 fc ff ff 49 89 44 24 40 4d 89 74 24 38 e9 27 fc ff ff 90 <0f> 0b 90 83 7b 2c 00 0f 85 23 fb ff ff 48 8b 1b e8 20 cd 82 09 41
[ 1.802414][ T0] RSP: 0000:ffffffff8e607d58 EFLAGS: 00010046
[ 1.806419][ T0] RAX: 0000000000000000 RBX: ffffffff91bb8398 RCX: 0000000000000002
[ 1.811665][ T0] RDX: 0000000000000cc0 RSI: ffffffff8e21ec94 RDI: ffffffff8c28b160
[ 1.816686][ T0] RBP: 0000000000000cc0 R08: 0000000000005e00 R09: 00000000477ac845
[ 1.821808][ T0] R10: 0000000047d13f7f R11: 000000002fa01ecd R12: ffff88812103f308
[ 1.826939][ T0] R13: 0000000000000000 R14: ffffffff91bb8398 R15: 0000000000000000
[ 1.832051][ T0] FS: 0000000000000000(0000) GS:ffff88818dc8a000(0000) knlGS:0000000000000000
[ 1.837875][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.842195][ T0] CR2: ffff88823ffff000 CR3: 000000000e74a000 CR4: 00000000000000b0
[ 1.847417][ T0] Call Trace:
[ 1.849340][ T0]
[ 1.851203][ T0] kmem_cache_alloc_node_noprof+0x441/0x690
[ 1.855007][ T0] ? do_kmem_cache_create+0x172/0x620
[ 1.858458][ T0] ? kmem_cache_alloc_node_noprof+0x23e/0x690
[ 1.862319][ T0] do_kmem_cache_create+0x172/0x620
[ 1.865503][ T0] create_boot_cache+0xbf/0x120
[ 1.868299][ T0] kmem_cache_init+0x11a/0x1e0
[ 1.871055][ T0] mm_core_init+0x7e/0xb0
[ 1.873170][ T0] start_kernel+0x15a/0x3e0
[ 1.875379][ T0] x86_64_start_reservations+0x24/0x30
[ 1.878194][ T0] x86_64_start_kernel+0x143/0x1c0
[ 1.880972][ T0] common_startup_64+0x13e/0x147
[ 1.883618][ T0]
[ 1.885047][ T0] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 1.889145][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper Not tainted syzkaller #0 PREEMPT(undef)
[ 1.893817][ T0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 1.899082][ T0] Call Trace:
[ 1.901049][ T0]
[ 1.902425][ T0] vpanic+0x56c/0xa60
[ 1.904369][ T0] ? __pfx__printk+0x10/0x10
[ 1.906633][ T0] ? __pfx_vpanic+0x10/0x10
[ 1.908879][ T0] ? is_bpf_text_address+0x292/0x2b0
[ 1.911991][ T0] ? is_bpf_text_address+0x26/0x2b0
[ 1.914970][ T0] panic+0xc5/0xd0
[ 1.916787][ T0] ? __pfx_panic+0x10/0x10
[ 1.918936][ T0] ? common_startup_64+0x13e/0x147
[ 1.921429][ T0] __warn+0x315/0x4c0
[ 1.923335][ T0] ? __pcs_replace_empty_main+0x51b/0x6e0
[ 1.926196][ T0] ? __pcs_replace_empty_main+0x51b/0x6e0
[ 1.928988][ T0] __report_bug+0x29a/0x540
[ 1.931209][ T0] ? __pcs_replace_empty_main+0x51b/0x6e0
[ 1.933970][ T0] ? __pfx___report_bug+0x10/0x10
[ 1.936411][ T0] ? lockdep_unlock+0x5d/0xd0
[ 1.938731][ T0] ? mark_lock+0x180/0x190
[ 1.940982][ T0] ? __lock_acquire+0x6b5/0x2cf0
[ 1.943413][ T0] ? __pcs_replace_empty_main+0x51b/0x6e0
[ 1.946217][ T0] report_bug+0x16a/0x220
[ 1.948562][ T0] ? __pcs_replace_empty_main+0x51b/0x6e0
[ 1.951337][ T0] ? __pcs_replace_empty_main+0x51d/0x6e0
[ 1.954103][ T0] handle_bug+0x9c/0x200
[ 1.956192][ T0] exc_invalid_op+0x1a/0x50
[ 1.958611][ T0] asm_exc_invalid_op+0x1a/0x20
[ 1.961174][ T0] RIP: 0010:__pcs_replace_empty_main+0x51b/0x6e0
[ 1.964606][ T0] Code: 48 85 f6 74 15 4c 89 ff 48 89 c6 e8 af 5e ff ff 4d 89 74 24 38 e9 36 fc ff ff 49 89 44 24 40 4d 89 74 24 38 e9 27 fc ff ff 90 <0f> 0b 90 83 7b 2c 00 0f 85 23 fb ff ff 48 8b 1b e8 20 cd 82 09 41
[ 1.975363][ T0] RSP: 0000:ffffffff8e607d58 EFLAGS: 00010046
[ 1.978825][ T0] RAX: 0000000000000000 RBX: ffffffff91bb8398 RCX: 0000000000000002
[ 1.983587][ T0] RDX: 0000000000000cc0 RSI: ffffffff8e21ec94 RDI: ffffffff8c28b160
[ 1.988195][ T0] RBP: 0000000000000cc0 R08: 0000000000005e00 R09: 00000000477ac845
[ 1.992917][ T0] R10: 0000000047d13f7f R11: 000000002fa01ecd R12: ffff88812103f308
[ 1.997564][ T0] R13: 0000000000000000 R14: ffffffff91bb8398 R15: 0000000000000000
[ 2.001775][ T0] ? __pcs_replace_empty_main+0x39/0x6e0
[ 2.004565][ T0] kmem_cache_alloc_node_noprof+0x441/0x690
[ 2.007629][ T0] ? do_kmem_cache_create+0x172/0x620
[ 2.010381][ T0] ? kmem_cache_alloc_node_noprof+0x23e/0x690
[ 2.013328][ T0] do_kmem_cache_create+0x172/0x620
[ 2.015786][ T0] create_boot_cache+0xbf/0x120
[ 2.018089][ T0] kmem_cache_init+0x11a/0x1e0
[ 2.020288][ T0] mm_core_init+0x7e/0xb0
[ 2.022268][ T0] start_kernel+0x15a/0x3e0
[ 2.024711][ T0] x86_64_start_reservations+0x24/0x30
[ 2.027643][ T0] x86_64_start_kernel+0x143/0x1c0
[ 2.030660][ T0] common_startup_64+0x13e/0x147
[ 2.033169][ T0]
[ 2.035051][ T0] Rebooting in 86400 seconds..