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@10.128.1.0" "pwd"]: exit status 255 ssh: connect to host 10.128.1.0 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-2 port 1 (session ID: a802c1ca74e3364baae5d485319bbc6e4e1956665a6cccbc7641d0efa1b1bebb, active connections: 1). SeaBIOS (version 1.8.2-20191010_205345-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 0x000f2800: 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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[1409952|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|+1049705/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-]=0x6059168 \|/-\|/-\|/-\|/-\|/-\|/-\|/-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 0xffffffff86158cf8, # entries 58748 [ 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 9.99.17 (GENERIC_SYZKALLER) #206: Thu Nov 7 04:29:19 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 0x00000000000F2840 000014 (v00 Google) [ 1.0000030] ACPI: RSDT 0x00000000BFFFFFA0 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 [ 1.0365314] pckbc1 at acpi0 (KBD, PNP0303) (kbd port): io 0x60,0x64 irq 1 [ 1.0365314] pckbc2 at acpi0 (MOU, PNP0F13) (aux port): irq 12 [ 1.0365314] COM1 (PNP0501) at acpi0 not configured [ 1.0365314] COM2 (PNP0501) at acpi0 not configured [ 1.0365314] COM3 (PNP0501) at acpi0 not configured [ 1.0365314] COM4 (PNP0501) at acpi0 not configured [ 1.0365314] PEVT (QEMU0001) at acpi0 not configured [ 1.0365314] ACPI: Enabled 16 GPEs in block 00 to 0F [ 1.0365314] pckbd0 at pckbc1 (kbd slot) [ 1.0365314] pckbc1: using irq 1 for kbd slot [ 1.0365314] wskbd0 at pckbd0 mux 1 [ 1.0365314] pms0 at pckbc1 (aux slot) [ 1.0365314] pckbc1: using irq 12 for aux slot [ 1.0365314] wsmouse0 at pms0 mux 0 [ 1.0365314] pci0 at mainbus0 bus 0: configuration mode 1 [ 1.0365314] pchb0 at pci0 dev 0 function 0: vendor 8086 product 1237 (rev. 0x02) [ 1.0365314] pcib0 at pci0 dev 1 function 0: vendor 8086 product 7110 (rev. 0x03) [ 1.0365314] piixpm0 at pci0 dev 1 function 3: vendor 8086 product 7113 (rev. 0x03) [ 1.0365314] piixpm0: SMBus disabled [ 1.0365314] virtio0 at pci0 dev 3 function 0 [ 1.0365314] virtio0: Virtio SCSI Device (rev. 0x00) [ 1.0365314] vioscsi0 at virtio0: Features: 0x0 [ 1.0365314] vioscsi0: cmd_per_lun 256 qsize 8192 seg_max 64 max_target 253 max_lun 1 [ 1.0365314] virtio0: config interrupting at msix0 vec 0 [ 1.0365314] virtio0: queues interrupting at msix0 vec 1 [ 1.0365314] scsibus0 at vioscsi0: 16 targets, 1 lun per target [ 1.0365314] virtio1 at pci0 dev 4 function 0 [ 1.0365314] virtio1: Virtio Network Device (rev. 0x00) [ 1.0365314] vioif0 at virtio1: Features: 0x30020 [ 1.0365314] vioif0: Ethernet address 42:01:0a:80:01:00 [ 1.0365314] virtio1: config interrupting at msix1 vec 0 [ 1.0365314] virtio1: queues interrupting at msix1 vec 1 [ 1.0365314] isa0 at pcib0 [ 1.0365314] com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo [ 1.0365314] com0: console [ 1.0365314] com1 at isa0 port 0x2f8-0x2ff irq 3: ns16550a, working fifo [ 1.0365314] attimer0 at isa0 port 0x40-0x43 [ 1.0365314] pcppi0 at isa0 port 0x61 [ 1.0365314] spkr0 at pcppi0: PC Speaker [ 1.0365314] wsbell at spkr0 not configured [ 1.0365314] midi0 at pcppi0: PC speaker [ 1.0365314] sysbeep0 at pcppi0 [ 1.0365314] attimer0: attached to pcppi0 [ 1.0365314] acpicpu0 at cpu0: ACPI CPU [ 1.0365314] acpicpu1 at cpu1: ACPI CPU [ 1.3689532] sd0 at scsibus0 target 2 lun 0: disk fixed [ 1.3689532] sd0: fabricating a geometry [ 1.3807471] sd0: 8192 MB, 8192 cyl, 64 head, 32 sec, 512 bytes/sect x 16777216 sectors [ 1.3807471] sd0: fabricating a geometry [ 1.4291112] sd0: async, 8-bit transfers, tagged queueing [ 1.4585393] boot device: sd0 [ 1.4585393] root on sd0a dumps on sd0b [ 1.4690383] dump_misc_init: max_paddr = 0x220000000 [ 1.4690383] mountroot: trying lfs... [ 1.4802369] mountroot: trying ffs... [ 1.4802369] root file system type: ffs [ 1.4885782] kern.module.path=/stand/amd64/9.99.17/modules [ 1.4885782] clock: unknown CMOS layout [ 1.4963010] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/kern/vfs_subr.c:793:14, member access within null pointer of type 'struct vnode_impl' [ 1.5086122] cpu0: Begin traceback... [ 1.5086122] vpanic() at netbsd:vpanic+0x2aa [ 1.5286254] isAlreadyReported() at netbsd:isAlreadyReported [ 1.5486501] HandleTypeMismatch.part.1() at netbsd:HandleTypeMismatch.part.1+0x15b [ 1.5586623] HandleTypeMismatch() at netbsd:HandleTypeMismatch+0x7b [ 1.5786887] sched_sync() at netbsd:sched_sync+0x50a [ 1.5896802] cpu0: End traceback... [ 1.5896802] fatal breakpoint trap in supervisor mode [ 1.5896802] trap type 1 code 0 rip 0xffffffff8021dddd cs 0x8 rflags 0x286 cr2 0 ilevel 0 rsp 0xffffd780a69169e0 [ 1.6030217] curlwp 0xfffff9a4db81b660 pid 0.55 lowest kstack 0xffffd780a69132c0 Stopped in pid 0.55 (system) at netbsd:breakpoint+0x5: leave db{0}>