failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-i" "/syzkaller/managers/setuid/latest.tmp/key" "root@10.128.0.41" "pwd"]: exit status 255 ssh: connect to host 10.128.0.41 port 22: Operation timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[ssh-serialport.googleapis.com]:9600' (RSA) to the list of known hosts. SeaBIOS (version 1.8.2-google) Total RAM Size = 0x0000000080000000 = 2048 MiB CPUs found: 2 Max CPUs supported: 2 SeaBIOS (version 1.8.2-google) Machine UUID 2ffbf60f-4683-f0e0-1acc-7f9d57ca005d 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 0x000f2890: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Sending Seabios boot VM event. Booting from Hard Disk 0... >> OpenBSD/amd64 BOOT 3.65 boot> |/-\|/-\|/booting hd0a:/bsd: -\|/-\24557493|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-+4183056\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-+950304\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|+0+1298432/ [1340037-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|+128+1592256/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/+1046216-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/]=0x215b990 -\|/-\|/entry point at 0xffffffff81001000 [ using 3979664 bytes of bsd ELF symbol table ] Copyright (c) 1982, 1986, 1989, 1991, 1993 The Regents of the University of California. All rights reserved. Copyright (c) 1995-2023 OpenBSD. All rights reserved. https://www.OpenBSD.org OpenBSD 7.4-current (SYZKALLER) #0: Fri Oct 6 02:29:22 PDT 2023 root@ci-openbsd.c.syzkaller.internal:/syzkaller/managers/setuid/kernel/sys/arch/amd64/compile/SYZKALLER real mem = 2130694144 (2031MB) avail mem = 2014650368 (1921MB) random: good seed from bootblocks mpath0 at root scsibus0 at mpath0: 256 targets mainbus0 at root bios0 at mainbus0: SMBIOS rev. 2.4 @ 0xf2920 (12 entries) bios0: vendor Google version "Google" date 09/06/2023 bios0: Google Google Compute Engine acpi0 at bios0: ACPI 2.0 acpi0: sleep states S3 S4 S5 acpi0: tables DSDT FACP SRAT APIC SSDT WAET acpi0: wakeup devices acpitimer0 at acpi0: 3579545 Hz, 24 bits acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat cpu0 at mainbus0: apid 0 (boot processor) cpu0: Intel(R) Xeon(R) CPU @ 2.20GHz, 2200.27 MHz, 06-4f-00 cpu0: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SS,HTT,SSE3,PCLMUL,VMX,SSSE3,FMA3,CX16,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,HV,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,ITSC,FSGSBASE,TSC_ADJUST,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,RDSEED,ADX,SMAP,MD_CLEAR,IBRS,IBPB,STIBP,SSBD,ARAT,RSBA,SKIP_L1DFL,IF_PSCHANGE,XSAVEOPT,MELTDOWN cpu0: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 256KB 64b/line 8-way L2 cache, 55MB 64b/line 20-way L3 cache cpu0: smt 0, core 0, package 0 mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges cpu0: apic clock running at 1000MHz cpu1 at mainbus0: apid 1 (application processor) cpu1: Intel(R) Xeon(R) CPU @ 2.20GHz, 2200.32 MHz, 06-4f-00 cpu1: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SS,HTT,SSE3,PCLMUL,VMX,SSSE3,FMA3,CX16,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,HV,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,ITSC,FSGSBASE,TSC_ADJUST,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,RDSEED,ADX,SMAP,MD_CLEAR,IBRS,IBPB,STIBP,SSBD,ARAT,RSBA,SKIP_L1DFL,IF_PSCHANGE,XSAVEOPT,MELTDOWN cpu1: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 256KB 64b/line 8-way L2 cache, 55MB 64b/line 20-way L3 cache cpu1: smt 1, core 0, package 0 ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 11, 24 pins acpiprt0 at acpi0: bus 0 (PCI0) "ACPI0006" at acpi0 not configured acpipci0 at acpi0 PCI0 acpicmos0 at acpi0 com0 at acpi0 COM1 addr 0x3f8/0x8 irq 4: ns16550a, 16 byte fifo com0: console com1 at acpi0 COM2 addr 0x2f8/0x8 irq 3: ns16550a, 16 byte fifo com2 at acpi0 COM3 addr 0x3e8/0x8 irq 6: ns16550a, 16 byte fifo com3 at acpi0 COM4 addr 0x2e8/0x8 irq 7: ns16550a, 16 byte fifo "QEMU0001" at acpi0 not configured "ACPI0007" at acpi0 not configured "ACPI0007" at acpi0 not configured acpicpu0 at acpi0: C1(@1 halt!) acpicpu1 at acpi0: C1(@1 halt!) cpu0: using VERW MDS workaround pvbus0 at mainbus0: KVM pvclock0 at pvbus0 pci0 at mainbus0 bus 0 pchb0 at pci0 dev 0 function 0 "Intel 82441FX" rev 0x02 pcib0 at pci0 dev 1 function 0 "Intel 82371AB PIIX4 ISA" rev 0x03 piixpm0 at pci0 dev 1 function 3 "Intel 82371AB Power" rev 0x03: SMBus disabled virtio0 at pci0 dev 3 function 0 "Qumranet Virtio SCSI" rev 0x00 vioscsi0 at virtio0: qsize 8192 scsibus1 at vioscsi0: 253 targets sd0 at scsibus1 targ 1 lun 0: serial.Google_PersistentDisk_ sd0: 2048MB, 512 bytes/sector, 4194304 sectors, thin virtio0: msix per-VQ virtio1 at pci0 dev 4 function 0 "Qumranet Virtio Network" rev 0x00 vio0 at virtio1: address 42:01:0a:80:00:29 witness: lock_object uninitialized: 0xffff8000001a1578 Starting stack trace... witness_checkorder(ffff8000001a1578,9,0,ffff8000001a1578,8262cb3656affb6c,ffff8000001a1550) at witness_checkorder+0x137 mtx_enter(ffff8000001a1568,ffff8000001a1568,18de01d8c3ee0d3c,ffff8000001a1550,fff,ffff8000001a1568) at mtx_enter+0x3e ifq_set_maxlen(ffff8000001a1550,fff,ffff8000001a1050,ffff800000024c00,ffff8000001a12a8,ffff8000001a1050) at ifq_set_maxlen+0x28 vio_attach(ffff800000024c00,ffff8000001a1000,ffff800000024c00,ffff800000024c00,e74dea601d794b29,ffffffff82b6b680) at vio_attach+0x5b7 config_attach(ffff800000024c00,ffffffff82bede98,ffff800000024c00,0,f236e755dc901d76,0) at config_attach+0x33a virtio_pci_attach(ffff80000002de00,ffff800000024c00,ffffffff83162a10,ffff80000002de00,ade7124ceb4e0e43,ffffffff82c06300) at virtio_pci_attach+0x24d config_attach(ffff80000002de00,ffffffff82bf0128,ffffffff83162a10,ffffffff81a75110,f236e755dc42b47b,ffff80000007b180) at config_attach+0x33a pci_probe_device(ffff80000002de00,80002000,0,0,622aaa34a6f34cb4,0) at pci_probe_device+0x730 pci_enumerate_bus(ffff80000002de00,0,0,ffff80000002de00,3200847da85a817f,ffffffff82bd58f0) at pci_enumerate_bus+0x260 config_attach(ffff80000002b280,ffffffff82bedfe8,ffffffff83162c60,ffffffff819a78e0,f236e755dc7f968a,ffff80000002db00) at config_attach+0x33a acpipci_attach_bus(ffff80000002b280,ffff80000002db00,8262cb3656516bb8,2,ffff80000002b280,1) at acpipci_attach_bus+0x261 acpipci_attach_busses(ffff80000002b280,ffff80000002b280,553f53c54f3721a4,1,ffff80000002b280,ffffffff82bf3890) at acpipci_attach_busses+0x6a mainbus_attach(0,ffff80000002b280,0,0,dddeef9c33fc15cb,ffffffff82b9cfa0) at mainbus_attach+0x24e config_attach(0,ffffffff82bedb18,0,0,f236e755dcb41e97,0) at config_attach+0x33a cpu_configure(ef92df5158acf84,0,ffff800000028000,ffff80000002e000,ffffffff8151f0ac,ffffffff83162f00) at cpu_configure+0x3c main(0,0,0,0,0,1) at main+0x401 end trace frame: 0x0, count: 241 End of stack trace. Stopped at db_enter+0x1c: addq $0x8,%rsp ddb{0}> serialport: Connected to syzkaller.us-central1-b.ci-openbsd-setuid-test-2 port 1 (session ID: dd2b2aefa09ecc67c30424d1fd31fef5373b2eca26623faf404e20362c7553b8, active connections: 1).