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/netbsd-kubsan/latest.tmp/key" "root@10.128.0.148" "pwd"]: exit status 255
ssh: connect to host 10.128.0.148 port 22: Connection timed out
Pseudo-terminal will not be allocated because stdin is not a terminal.
Warning: Permanently added '[ssh-serialport.googleapis.com]:9600,[216.239.38.127]:9600' (RSA) to the list of known hosts.
serialport: Connected to syzkaller.us-central1-c.ci2-netbsd-kubsan-test-1 port 1 (session ID: b23862b89d623a99f8f0811d36080e548b465fec81c296e3c1fb3301270a2040, active connections: 1).
SeaBIOS (version 1.8.2-20191106_143117-google)
Total RAM Size = 0x00000001e0000000 = 7680 MiB
CPUs found: 2     Max CPUs supported: 2
Comparing RSDP and RSDP
Comparing RSDT and RSDT
Comparing FACP and FACP
Comparing FACS and FACS
return 0 for FACS vs FACS: SUCCESS
Comparing DSDT and DSDT
return 0 for DSDT vs DSDT: SUCCESS
return 0 for FACP vs FACP: SUCCESS
Comparing SRAT and SRAT
return 0 for SRAT vs SRAT: SUCCESS
Comparing APIC and APIC
return 0 for APIC vs APIC: SUCCESS
Comparing SSDT and SSDT
return 0 for SSDT vs SSDT: SUCCESS
Comparing WAET and WAET
return 0 for WAET vs WAET: SUCCESS
return 0 for RSDT vs RSDT: SUCCESS
return 0 for RSDP vs RSDP: SUCCESS
found virtio-scsi at 0:3
virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0
virtio-scsi blksize=512 sectors=16777216 = 8192 MiB
drive 0x000f21b0: PCHS=0/0/0 translation=lba LCHS=1024/255/63 s=16777216
Sending Seabios boot VM event.
Booting from Hard Disk 0...

>> NetBSD/x86 BIOS Boot, Revision 5.11 (Wed Jun  5 07:22:49 UTC 2019) (from NetBSD 8.99.42)
>> Memory: 639/3144640 k

     1. Boot normally
     2. Boot single user
     3. Drop to boot prompt

Choose an option; RETURN for default; SPACE to stop countdown.
Option 1 will be chosen in 5 seconds. 4 seconds. 3 seconds. 2 seconds. 1 seconds. 0 seconds. 0 seconds.     
command(s): rndseed /var/db/entropy-file;boot
default boot twice, skipping...
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[1405416/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\+1047209|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|]=0x60575f0
/-\|/-\|/-\|/-\|/-\|/-\|/-\|WARNING: couldn't open /var/db/entropy-file
WARNING: 1 module failed to load
[   1.0000000] ksyms: checking .text
[   1.0000000] ksyms: checking .rodata.hotpatch
[   1.0000000] ksyms: checking .rodata
[   1.0000000] ksyms: checking .eh_frame
[   1.0000000] ksyms: checking link_set_modules
[   1.0000000] ksyms: checking link_set_evcnts
[   1.0000000] ksyms: checking link_set_sysctl_funcs
[   1.0000000] ksyms: checking link_set_domains
[   1.0000000] ksyms: checking link_set_ieee80211_funcs
[   1.0000000] ksyms: checking link_set_ah_chips
[   1.0000000] ksyms: checking link_set_ah_rfs
[   1.0000000] ksyms: checking link_set_sdt_argtypes_set
[   1.0000000] ksyms: checking link_set_sdt_probes_set
[   1.0000000] ksyms: checking link_set_linux_module_param_desc
[   1.0000000] ksyms: checking link_set_linux_module_param_info
[   1.0000000] ksyms: checking link_set_sdt_providers_set
[   1.0000000] ksyms: checking link_set_dkwedge_methods
[   1.0000000] ksyms: checking link_set_prop_linkpools
[   1.0000000] ksyms: checking .data
[   1.0000000] ksyms: checking .data.cacheline_aligned
[   1.0000000] ksyms: checking .data.read_mostly
[   1.0000000] ksyms: checking .bss
[   1.0000000] ksyms: checking .note.netbsd.ident
[   1.0000000] ksyms: checking .ident
[   1.0000000] ksyms: checking .comment
[   1.0000000] ksyms: checking .symtab
[   1.0000000] ksyms: checking .strtab
[   1.0000000] ksyms: checking .shstrtab
[   1.0000000] Loaded initial symtab at 0xffffffff86000958, strtab at 0xffffffff86157b40, # entries 58559
[   1.0000000] pool redzone disabled for 'pdppl'
[   1.0000000] pool redzone disabled for 'kmem-4096'
[   1.0000000] Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
[   1.0000000]     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
[   1.0000000]     2018, 2019 The NetBSD Foundation, Inc.  All rights reserved.
[   1.0000000] Copyright (c) 1982, 1986, 1989, 1991, 1993
[   1.0000000]     The Regents of the University of California.  All rights reserved.

[   1.0000000] NetBSD 9.99.20 (GENERIC_SYZKALLER) #278: Sat Dec  7 14:22:46 UTC 2019
[   1.0000000] 	root@ci2:/syzkaller/managers/netbsd-kubsan/kernel/sys/arch/amd64/compile/obj/GENERIC_SYZKALLER
[   1.0000000] total memory = 7679 MB
[   1.0000000] avail memory = 7361 MB
[   1.0000000] pool redzone disabled for 'buf4k'
[   1.0000000] pool redzone disabled for 'buf64k'
[   1.0000000] cpu_rng: RDRAND
[   1.0000000] running cgd selftest aes-xts-256 aes-xts-512 done
[   1.0000030] mainbus0 (root)
[   1.0000030] ACPI: RSDP 0x00000000000F21F0 000014 (v00 Google)
[   1.0000030] ACPI: RSDT 0x00000000BFFFFFC0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001)
[   1.0000030] ACPI: FACP 0x00000000BFFFF380 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001)
[   1.0000030] ACPI: DSDT 0x00000000BFFFDAC0 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001)
[   1.0000030] ACPI: FACS 0x00000000BFFFDA80 000040
[   1.0000030] ACPI: SRAT 0x00000000BFFFFEB0 0000C8 (v01 Google GOOGSRAT 00000001 GOOG 00000001)
[   1.0000030] ACPI: APIC 0x00000000BFFFFE00 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001)
[   1.0000030] ACPI: SSDT 0x00000000BFFFF480 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001)
[   1.0000030] ACPI: WAET 0x00000000BFFFFE80 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001)
[   1.0000030] ACPI: 2 ACPI AML tables successfully acquired and loaded
[   1.0000030] ioapic0 at mainbus0 apid 0
[   1.0000030] cpu0 at mainbus0 apid 0
[   1.0000030] cpu0: Intel(R) Xeon(R) CPU @ 2.30GHz, id 0x306f0
[   1.0000030] cpu0: package 0, core 0, smt 0
[   1.0000030] cpu1 at mainbus0 apid 1
[   1.0000030] cpu1: Intel(R) Xeon(R) CPU @ 2.30GHz, id 0x306f0
[   1.0000030] cpu1: package 0, core 0, smt 1
[   1.0000030] acpi0 at mainbus0: Intel ACPICA 20190816
[   1.0000030] acpi0: fixed power button present
[   1.0000030] acpi0: fixed sleep button present
[   1.0472799] pckbc1 at acpi0 (KBD, PNP0303) (kbd port): io 0x60,0x64 irq 1
[   1.0472799] pckbc2 at acpi0 (MOU, PNP0F13) (aux port): irq 12
[   1.0472799] COM1 (PNP0501) at acpi0 not configured
[   1.0472799] COM2 (PNP0501) at acpi0 not configured
[   1.0472799] COM3 (PNP0501) at acpi0 not configured
[   1.0472799] COM4 (PNP0501) at acpi0 not configured
[   1.0472799] PEVT (QEMU0001) at acpi0 not configured
[   1.0472799] ACPI: Enabled 16 GPEs in block 00 to 0F
[   1.0472799] pckbd0 at pckbc1 (kbd slot)
[   1.0472799] pckbc1: using irq 1 for kbd slot
[   1.0472799] wskbd0 at pckbd0 mux 1
[   1.0472799] pms0 at pckbc1 (aux slot)
[   1.0472799] pckbc1: using irq 12 for aux slot
[   1.0472799] wsmouse0 at pms0 mux 0
[   1.0472799] pci0 at mainbus0 bus 0: configuration mode 1
[   1.0472799] pchb0 at pci0 dev 0 function 0: Intel 82441FX (PMC) PCI and Memory Controller (rev. 0x02)
[   1.0472799] pcib0 at pci0 dev 1 function 0: Intel 82371AB (PIIX4) PCI-ISA Bridge (rev. 0x03)
[   1.0472799] piixpm0 at pci0 dev 1 function 3: Intel 82371AB (PIIX4) Power Management Controller (rev. 0x03)
[   1.0472799] piixpm0: SMBus disabled
[   1.0472799] virtio0 at pci0 dev 3 function 0
[   1.0472799] virtio0: Virtio SCSI Device (rev. 0x00)
[   1.0472799] vioscsi0 at virtio0: Features: 0
[   1.0472799] vioscsi0: cmd_per_lun 256 qsize 8192 seg_max 64 max_target 253 max_lun 1
[   1.0472799] virtio0: config interrupting at msix0 vec 0
[   1.0472799] virtio0: queues interrupting at msix0 vec 1
[   1.0472799] scsibus0 at vioscsi0: 16 targets, 1 lun per target
[   1.0472799] virtio1 at pci0 dev 4 function 0
[   1.0472799] virtio1: Virtio Network Device (rev. 0x00)
[   1.0472799] vioif0 at virtio1: Features: 0x30020<CTRL_VQ,STATUS,MAC>
[   1.0472799] vioif0: Ethernet address 42:01:0a:80:00:94
[   1.0472799] virtio1: config interrupting at msix1 vec 0
[   1.0472799] virtio1: queues interrupting at msix1 vec 1
[   1.0472799] virtio2 at pci0 dev 5 function 0
[   1.0472799] virtio2: Virtio Entropy Device (rev. 0x00)
[   1.0472799] viornd0 at virtio2: Features: 0
[   1.0472799] virtio2: interrupting at ioapic0 pin 10
[   1.0472799] isa0 at pcib0
[   1.0472799] com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo
[   1.0472799] com0: console
[   1.0472799] com1 at isa0 port 0x2f8-0x2ff irq 3: ns16550a, working fifo
[   1.0472799] attimer0 at isa0 port 0x40-0x43
[   1.0472799] pcppi0 at isa0 port 0x61
[   1.0472799] spkr0 at pcppi0: PC Speaker
[   1.0472799] wsbell at spkr0 not configured
[   1.0472799] midi0 at pcppi0: PC speaker
[   1.0472799] sysbeep0 at pcppi0
[   1.0472799] attimer0: attached to pcppi0
[   1.0472799] acpicpu0 at cpu0: ACPI CPU
[   1.0472799] acpicpu1 at cpu1: ACPI CPU
[   1.0472799] cpu0 has 2x core siblings:  cpu1 cpu0
[   1.0472799] cpu0 has 2x package siblings:  cpu1 cpu0
[   1.0472799] cpu0 has 1x peer siblings:  cpu0
[   1.0472799] cpu1 has 2x core siblings:  cpu0 cpu1
[   1.0472799] cpu1 has 2x package siblings:  cpu0 cpu1
[   1.0472799] cpu1 has 1x peer siblings:  cpu1
[   1.5929901] Mutex error: mi_switch,528: spin lock held

[   1.5932164] lock address : 0xfffffa3d3ea254c0 type     :               spin
[   1.5932164] initialized  : 0xffffffff823a0d59sd0 at scsibus0
[   1.6058746] shared holds :                  0 exclusive:                  1
[   1.6058746] shares wanted:                  0 exclusive:                  0
[   1.6058746] current cpu  :                  1 last held:                  1
[   1.6058746] current lwp  : 0xfffffa3c2cc58100 last held: 0xfffffa3c2cc58100
[   1.6058746] last locked* : 0xffffffff8232f7c7 unlocked : 0xffffffff823a34ef
[   1.6058746]  target 2 lun 0: <Google, PersistentDisk, 1> disk fixedowner field  : 0x0000000000010700 wait/spin:                0/1

[   1.6347478] panic: 
  1.63474[8] LOCKDEBU8] sutex abror:tmig w gch,528r s[   1. 317678] pi] sd0ck8 h2 M
[[  116634747]  c8u9: cel, 64trecd, 32...c
   1.6347478] , 512 bytes/sect x 16777216 sectors
[   1.6516017] sd0: fabricating a geometry
[   1.6552899] vpanic() at sd0: async, 8-bit transfers, tagged queueing
[   1.6630589] netbsd:vpanic+0x2aa
[   1.6831225] snprintf() at netbsd:snprintf
[   1.7131768] lockdebug_abort1() at netbsd:lockdebug_abort1+0x16e
[   1.7231996] lockdebug_barrier() at netbsd:lockdebug_barrier+0x157
[   1.7231996] mi_switch() at netbsd:mi_switch+0xbf
[   1.7231996] idle_loop() at netbsd:idle_loop+0x4bf
[   1.7231996] cpu_hatch() at netbsd:cpu_hatch+0x3a7
[   1.7231996] md_root_setconf() at netbsd:md_root_setconf
[   1.7231996] cpu1: End traceback...
[   1.7231996] fatal breakpoint trap in supervisor mode
[   1.7231996] trap type 1 code 0 rip 0xffffffff8021dd9d cs 0x8 rflags 0x282 cr2 0 ilevel 0x8 rsp 0xffffa200a57c6d30
[   1.7231996] curlwp 0xfffffa3c2cc58100 pid 0.20 lowest kstack 0xffffa200a57c32c0
Stopped in pid 0.20 (system) at netbsd:breakpoint+0x5:  leave
db{1}>