lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xa8000) [ 119.911475][ T1030] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 119.914461][ T1030] ata1: failed to read log page 10h (errno=-5) [ 119.917028][ T1030] ata1.00: exception Emask 0x1 SAct 0xc000 SErr 0x0 action 0x0 [ 119.930734][ T1030] ata1.00: irq_stat 0x41000000 [ 119.933153][ T1030] ata1.00: failed command: WRITE FPDMA QUEUED [ 119.936319][ T1030] ata1.00: cmd 61/40:70:36:7b:04/05:00:00:00:00/40 tag 14 ncq dma 688128 out [ 119.936319][ T1030] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 119.960458][ T1030] ata1.00: status: { DRDY } [ 119.962575][ T1030] ata1.00: failed command: WRITE FPDMA QUEUED [ 119.965189][ T1030] ata1.00: cmd 61/c0:78:76:80:04/00:00:00:00:00/40 tag 15 ncq dma 98304 out [ 119.965189][ T1030] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 119.990311][ T1030] ata1.00: status: { DRDY } [ 119.993361][ T1030] ata1.00: configured for UDMA/100 [ 119.996252][ T1030] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 120.033397][ T1030] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 120.036344][ T1030] ata1: failed to read log page 10h (errno=-5) [ 120.039420][ T1030] ata1.00: exception Emask 0x1 SAct 0x3c0001 SErr 0x0 action 0x0 [ 120.056804][ T1030] ata1.00: irq_stat 0x41000000 [ 120.063415][ T1030] ata1.00: failed command: WRITE FPDMA QUEUED [ 120.070859][ T1030] ata1.00: cmd 61/40:00:36:7b:04/05:00:00:00:00/40 tag 0 ncq dma 688128 out [ 120.070859][ T1030] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 120.089822][ T1030] ata1.00: status: { DRDY } [ 120.096574][ T1030] ata1.00: failed command: WRITE FPDMA QUEUED [ 120.104467][ T1030] ata1.00: cmd 61/40:90:26:90:04/05:00:00:00:00/40 tag 18 ncq dma 688128 out [ 120.104467][ T1030] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 120.122375][ T1030] ata1.00: status: { DRDY } [ 120.124234][ T1030] ata1.00: failed command: WRITE FPDMA QUEUED [ 120.126809][ T1030] ata1.00: cmd 61/d0:98:66:95:04/11:00:00:00:00/40 tag 19 ncq dma 2334720 ou [ 120.126809][ T1030] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 120.150360][ T1030] ata1.00: status: { DRDY } [ 120.153767][ T1030] ata1.00: failed command: WRITE FPDMA QUEUED [ 120.163710][ T1030] ata1.00: cmd 61/00:a0:36:a7:04/1a:00:00:00:00/40 tag 20 ncq dma 3407872 ou [ 120.163710][ T1030] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 120.182728][ T1030] ata1.00: status: { DRDY } [ 120.184794][ T1030] ata1.00: failed command: WRITE FPDMA QUEUED [ 120.187266][ T1030] ata1.00: cmd 61/00:a8:36:c1:04/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 120.187266][ T1030] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 120.208721][ T1030] ata1.00: status: { DRDY } [ 120.216981][ T1030] ata1.00: configured for UDMA/100 [ 120.225213][ T1030] ata1: EH complete Warning: Permanently added '[localhost]:52707' (ED25519) to the list of known hosts. qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 125.023136][ T1030] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 125.034180][ T1030] ata1: failed to read log page 10h (errno=-5) [ 125.043186][ T1030] ata1.00: NCQ disabled due to excessive errors [ 125.058467][ T1030] ata1.00: exception Emask 0x1 SAct 0x3000000 SErr 0x0 action 0x0 [ 125.062532][ T1030] ata1.00: irq_stat 0x41000000 [ 125.067876][ T1030] ata1.00: failed command: WRITE FPDMA QUEUED [ 125.078147][ T1030] ata1.00: cmd 61/00:c0:36:21:05/20:00:00:00:00/40 tag 24 ncq dma 4194304 ou [ 125.078147][ T1030] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 125.090986][ T1030] ata1.00: status: { DRDY } [ 125.098549][ T1030] ata1.00: failed command: WRITE FPDMA QUEUED [ 125.101647][ T1030] ata1.00: cmd 61/18:c8:36:41:05/09:00:00:00:00/40 tag 25 ncq dma 1191936 ou [ 125.101647][ T1030] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 125.119200][ T1030] ata1.00: status: { DRDY } [ 125.123174][ T1030] ata1.00: configured for UDMA/100 [ 125.129953][ T1030] ata1: EH complete 2026/07/14 08:28:39 parsed 1 programs [ 130.022902][ T5298] cgroup: Unknown subsys name 'net' [ 130.097636][ T5298] cgroup: Unknown subsys name 'cpuset' [ 130.105438][ T5298] cgroup: Unknown subsys name 'rlimit' [ 131.957286][ T5298] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k qemu-system-x86_64: hw/ide/core.c:934: ide_dma_cb: Assertion `prep_size >= 0 && prep_size <= n * 512' failed. Connection to localhost closed by remote host. syzkaller build log: go env (err=) AR='ar' CC='gcc' CGO_CFLAGS='-O2 -g' CGO_CPPFLAGS='' CGO_CXXFLAGS='-O2 -g' CGO_ENABLED='1' CGO_FFLAGS='-O2 -g' CGO_LDFLAGS='-O2 -g' CXX='g++' GCCGO='gccgo' GO111MODULE='auto' GOAMD64='v1' GOARCH='amd64' GOAUTH='netrc' GOBIN='' GOCACHE='/syzkaller/.cache/go-build' GOCACHEPROG='' GODEBUG='' GOENV='/syzkaller/.config/go/env' GOEXE='' GOEXPERIMENT='' GOFIPS140='off' GOFLAGS='' GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build2914064162=/tmp/go-build -gno-record-gcc-switches' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' GOMOD='/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod' GOMODCACHE='/syzkaller/jobs/linux/gopath/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/syzkaller/jobs/linux/gopath' GOPRIVATE='' GOPROXY='https://proxy.golang.org,direct' GOROOT='/usr/local/go' GOSUMDB='sum.golang.org' GOTELEMETRY='local' GOTELEMETRYDIR='/syzkaller/.config/go/telemetry' GOTMPDIR='' GOTOOLCHAIN='auto' GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64' GOVCS='' GOVERSION='go1.26.0' GOWORK='' PKG_CONFIG='pkg-config' git status (err=) HEAD detached at d34966d146 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:31: run command via tools/syz-env for best compatibility, see: Makefile:32: 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 Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env bin/syz-sysgen touch .descriptions GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=d34966d146f584d390b49f213d1fccd59548dc6d -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250221-172117'" -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_amd64 g++ -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 -std=c++17 -I. -Iexecutor/_include -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"d34966d146f584d390b49f213d1fccd59548dc6d\" /usr/bin/ld: /tmp/ccbjUKEr.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x386): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking