can't ssh into the instance failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.1.33" "pwd"]: exit status 255 ssh: connect to host 10.128.1.33 port 22: Connection timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[us-central1-ssh-serialport.googleapis.com]:9600' (RSA) to the list of known hosts. serialport: Connected to syzkaller.us-central1-c.ci-upstream-linux-next-kasan-gce-root-test-job-parallel-1 port 1 (session ID: 42144733ef65fa1a6179f2c5fc369690a7cbbf3cc1cedebe33301c34bb04499d, active connections: 1). SeaBIOS (version 1.8.2-google) Total RAM Size = 0x0000000200000000 = 8192 MiB CPUs found: 2 Max CPUs supported: 2 SeaBIOS (version 1.8.2-google) Machine UUID 344730ca-18e7-c53a-a827-a73ac99b2111 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 0x000f2790: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Sending Seabios boot VM event. Booting from Hard Disk 0... [ 0.000000][ T0] Linux version 6.11.0-rc4-next-20240819-syzkaller-g469f1bad3c1c (syzkaller@syzkaller) (Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40) #0 SMP PREEMPT_DYNAMIC now [ 0.000000][ T0] Command line: BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 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 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000023fffffff] 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 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 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 [ 0.000009][ T0] kvm-clock: using sched offset of 5146927407 cycles [ 0.000891][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.005930][ T0] tsc: Detected 2200.230 MHz processor [ 0.011874][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.014315][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.016493][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.018013][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.027353][ T0] found SMP MP-table at [mem 0x000f2a50-0x000f2a5f] [ 0.029525][ T0] Using GB pages for direct mapping [ 0.034815][ T0] ACPI: Early table checksum verification disabled [ 0.036378][ T0] ACPI: RSDP 0x00000000000F27D0 000014 (v00 Google) [ 0.037574][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.039835][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.041192][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.042946][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.044961][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.046857][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.049620][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.052944][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.054496][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.056525][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.058572][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.059990][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.061877][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.064032][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.066777][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.068735][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.070313][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] PANIC: early exception 0x0d IP 10:ffffffff8baca87c error 0 cr2 0xffff88823ffff000 [ 0.073785][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper Not tainted 6.11.0-rc4-next-20240819-syzkaller-g469f1bad3c1c #0 [ 0.075812][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 0.079384][ T0] RIP: 0010:fdt_ro_probe_+0x2c/0x5a0 [ 0.080790][ T0] Code: 1e fa 55 41 57 41 56 41 55 41 54 53 50 48 89 fb 49 bc 00 00 00 00 00 fc ff df e8 af 1a e7 f5 48 8d 7b 04 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 83 03 00 00 44 0f b6 7b 04 48 8d 7b 05 [ 0.085084][ T0] RSP: 0000:ffffffff8e607c80 EFLAGS: 00010047 ORIG_RAX: 0000000000000000 [ 0.086528][ T0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8e694640 [ 0.087594][ T0] RDX: 0000000000000000 RSI: ffffffff8cfc2c20 RDI: 0000000000000004 [ 0.089200][ T0] RBP: ffffffff8e607d90 R08: ffffffff8fb3f823 R09: 1ffffffff1f67f04 [ 0.090629][ T0] R10: dffffc0000000000 R11: fffffbfff1f67f05 R12: dffffc0000000000 [ 0.092843][ T0] R13: 1ffffffff1cc0fa0 R14: 0000000000000010 R15: dffffc0000000000 [ 0.094223][ T0] FS: 0000000000000000(0000) GS:ffffffff9171c000(0000) knlGS:0000000000000000 [ 0.095535][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.096873][ T0] CR2: ffff88823ffff000 CR3: 000000000e736000 CR4: 00000000000000b0 [ 0.098760][ T0] Call Trace: [ 0.099445][ T0] [ 0.099991][ T0] ? early_fixup_exception+0x15a/0x270 [ 0.101101][ T0] ? of_find_node_opts_by_path+0xe9/0x280 [ 0.102286][ T0] ? do_raw_spin_lock+0x14f/0x370 [ 0.103251][ T0] ? early_idt_handler_common+0x2f/0x40 [ 0.104191][ T0] ? fdt_ro_probe_+0x2c/0x5a0 [ 0.105025][ T0] ? fdt_path_offset_namelen+0x78/0x6d0 [ 0.105884][ T0] ? fdt_path_offset_namelen+0x85/0x6d0 [ 0.106927][ T0] ? __of_find_node_by_full_path+0x1dd/0x210 [ 0.108532][ T0] ? __pfx_fdt_path_offset_namelen+0x10/0x10 [ 0.109575][ T0] ? of_find_node_opts_by_path+0xe9/0x280 [ 0.110471][ T0] ? of_alias_scan+0x67d/0x6f0 [ 0.111418][ T0] ? fdt_scan_reserved_mem_reg_nodes+0x138/0x490 [ 0.112557][ T0] ? __pfx_early_init_dt_alloc_memory_arch+0x10/0x10 [ 0.114143][ T0] ? __pfx_fdt_scan_reserved_mem_reg_nodes+0x10/0x10 [ 0.115696][ T0] ? __unflatten_device_tree+0x245/0x720 [ 0.116974][ T0] ? x86_flattree_get_config+0x152/0x260 [ 0.118841][ T0] ? setup_arch+0x856/0xb50 [ 0.119731][ T0] ? start_kernel+0xa3/0x500 [ 0.121052][ T0] ? x86_64_start_reservations+0x2a/0x30 [ 0.122295][ T0] ? x86_64_start_kernel+0x9f/0xa0 [ 0.123462][ T0] ? common_startup_64+0x13e/0x147 [ 0.124816][ T0] 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-2/linux/gopath/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/syzkaller/jobs-2/linux/gopath' GOPRIVATE='' GOPROXY='https://proxy.golang.org,direct' GOROOT='/usr/local/go' GOSUMDB='sum.golang.org' GOTMPDIR='' GOTOOLCHAIN='auto' GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64' GOVCS='' GOVERSION='go1.21.4' GCCGO='gccgo' GOAMD64='v1' AR='ar' CC='gcc' CXX='g++' CGO_ENABLED='1' GOMOD='/syzkaller/jobs-2/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-build2206477512=/tmp/go-build -gno-record-gcc-switches' git status (err=) HEAD detached at f8902b574 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:32: run command via tools/syz-env for best compatibility, see: Makefile:33: 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 bin/syz-sysgen touch .descriptions GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=f8902b5747fbe3d5b860bd782eec63fc9c7da6e7 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230301-104759'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=f8902b5747fbe3d5b860bd782eec63fc9c7da6e7 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230301-104759'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=f8902b5747fbe3d5b860bd782eec63fc9c7da6e7 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230301-104759'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress mkdir -p ./bin/linux_amd64 gcc -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 -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"f8902b5747fbe3d5b860bd782eec63fc9c7da6e7\"