lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) Warning: Permanently added '[localhost]:60373' (ED25519) to the list of known hosts. [ 91.860232][ T804] cfg80211: failed to load regulatory.db [ 109.795033][ T1029] ata1.00: exception Emask 0x0 SAct 0x800 SErr 0x0 action 0x6 frozen [ 109.798476][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 109.801141][ T1029] ata1.00: cmd 61/00:58:36:81:04/20:00:00:00:00/40 tag 11 ncq dma 4194304 ou [ 109.801141][ T1029] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 109.808915][ T1029] ata1.00: status: { DRDY } [ 109.811428][ T1029] ata1: hard resetting link [ 110.136366][ T1029] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 110.141311][ T1029] ata1.00: configured for UDMA/100 [ 110.144514][ T1029] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x1f7000) [ 110.176136][ T1029] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 110.180928][ T1029] ata1: failed to read log page 10h (errno=-5) [ 110.183921][ T1029] ata1.00: exception Emask 0x1 SAct 0x1e000000 SErr 0x0 action 0x0 [ 110.187469][ T1029] ata1.00: irq_stat 0x41000000 [ 110.189418][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.192184][ T1029] ata1.00: cmd 61/00:c8:36:81:04/20:00:00:00:00/40 tag 25 ncq dma 4194304 ou [ 110.192184][ T1029] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 110.201470][ T1029] ata1.00: status: { DRDY } [ 110.203872][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.206834][ T1029] ata1.00: cmd 61/08:d0:9e:04:10/00:00:00:00:00/40 tag 26 ncq dma 4096 out [ 110.206834][ T1029] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 110.214135][ T1029] ata1.00: status: { DRDY } [ 110.216296][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.218874][ T1029] ata1.00: cmd 61/b8:d8:36:01:05/0f:00:00:00:00/40 tag 27 ncq dma 2060288 ou [ 110.218874][ T1029] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 110.226155][ T1029] ata1.00: status: { DRDY } [ 110.228126][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.230662][ T1029] ata1.00: cmd 61/50:e0:ee:10:05/06:00:00:00:00/40 tag 28 ncq dma 827392 out [ 110.230662][ T1029] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 110.238233][ T1029] ata1.00: status: { DRDY } [ 110.241598][ T1029] ata1.00: configured for UDMA/100 [ 110.245780][ T1029] ata1: EH complete 2026/08/01 02:49:33 parsed 1 programs [ 113.044705][ T5309] cgroup: Unknown subsys name 'net' [ 113.110815][ T5309] cgroup: Unknown subsys name 'cpuset' [ 113.117381][ T5309] cgroup: Unknown subsys name 'rlimit' [ 114.616742][ T5309] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xa8000) [ 115.466111][ T1029] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 115.478554][ T1029] ata1: failed to read log page 10h (errno=-5) [ 115.492790][ T1029] ata1.00: NCQ disabled due to excessive errors [ 115.506684][ T1029] ata1.00: exception Emask 0x1 SAct 0xc000 SErr 0x0 action 0x0 [ 115.520972][ T1029] ata1.00: irq_stat 0x41000000 [ 115.530032][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 115.543496][ T1029] ata1.00: cmd 61/40:70:36:ec:0b/05:00:00:00:00/40 tag 14 ncq dma 688128 out [ 115.543496][ T1029] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 115.579838][ T1029] ata1.00: status: { DRDY } [ 115.589014][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 115.601410][ T1029] ata1.00: cmd 61/a0:78:76:f1:0b/04:00:00:00:00/40 tag 15 ncq dma 606208 out [ 115.601410][ T1029] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 115.634109][ T1029] ata1.00: status: { DRDY } [ 115.647448][ T1029] ata1.00: configured for UDMA/100 [ 115.658280][ T1029] ata1: EH complete 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-build4243867088=/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 bf27483f96 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}}' -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=bf27483f963359281b2d9b6d6efd36289f82e282 -X github.com/google/syzkaller/prog.gitRevisionDate=20250821-140520" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=bf27483f963359281b2d9b6d6efd36289f82e282 -X github.com/google/syzkaller/prog.gitRevisionDate=20250821-140520" ./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=bf27483f963359281b2d9b6d6efd36289f82e282 -X github.com/google/syzkaller/prog.gitRevisionDate=20250821-140520" -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=\"bf27483f963359281b2d9b6d6efd36289f82e282\" /usr/bin/ld: /tmp/ccRfUmQz.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