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) [ 87.266377][ T1029] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 87.269186][ T1029] ata1: failed to read log page 10h (errno=-5) [ 87.271674][ T1029] ata1.00: exception Emask 0x1 SAct 0xc000 SErr 0x0 action 0x0 [ 87.285070][ T1029] ata1.00: irq_stat 0x41000000 [ 87.287901][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.294791][ T1029] ata1.00: cmd 61/00:70:36:a1:04/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou [ 87.294791][ T1029] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.314726][ T1029] ata1.00: status: { DRDY } [ 87.324585][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.327587][ T1029] ata1.00: cmd 61/00:78:36:c1:04/20:00:00:00:00/40 tag 15 ncq dma 4194304 ou [ 87.327587][ T1029] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.343767][ T1029] ata1.00: status: { DRDY } [ 87.354549][ T1029] ata1.00: configured for UDMA/100 [ 87.357734][ T1029] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x334000) [ 90.977073][ T1029] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 91.000424][ T1029] ata1: failed to read log page 10h (errno=-5) [ 91.018770][ T1029] ata1.00: NCQ disabled due to excessive errors [ 91.030233][ T1029] ata1.00: exception Emask 0x1 SAct 0x70000001 SErr 0x0 action 0x0 [ 91.042703][ T1029] ata1.00: irq_stat 0x41000000 [ 91.052550][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 91.064932][ T1029] ata1.00: cmd 61/10:00:d6:3a:05/04:00:00:00:00/40 tag 0 ncq dma 532480 out [ 91.064932][ T1029] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 91.083742][ T1029] ata1.00: status: { DRDY } [ 91.085946][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 91.088815][ T1029] ata1.00: cmd 61/00:e0:36:e1:04/20:00:00:00:00/40 tag 28 ncq dma 4194304 ou [ 91.088815][ T1029] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 91.113829][ T1029] ata1.00: status: { DRDY } [ 91.115971][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 91.118683][ T1029] ata1.00: cmd 61/00:e8:36:01:05/20:00:00:00:00/40 tag 29 ncq dma 4194304 ou [ 91.118683][ T1029] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 91.133687][ T1029] ata1.00: status: { DRDY } [ 91.138248][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 91.144769][ T1029] ata1.00: cmd 61/a0:f0:36:21:05/19:00:00:00:00/40 tag 30 ncq dma 3358720 ou [ 91.144769][ T1029] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 91.157389][ T1029] ata1.00: status: { DRDY } [ 91.165840][ T1029] ata1.00: configured for UDMA/100 [ 91.172329][ T1029] ata1: EH complete Warning: Permanently added '[localhost]:53613' (ED25519) to the list of known hosts. 2026/05/22 07:26:52 parsed 1 programs [ 96.029224][ T5297] cgroup: Unknown subsys name 'net' [ 96.102117][ T5297] cgroup: Unknown subsys name 'cpuset' [ 96.109879][ T5297] cgroup: Unknown subsys name 'rlimit' [ 96.969420][ T10] cfg80211: failed to load regulatory.db [ 97.980044][ T5297] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 105.635588][ T5320] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. 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-build3885773168=/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 7e2882b32698 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=7e2882b32698b70f3149aee00c41e3d2d941dca3 -X github.com/google/syzkaller/prog.gitRevisionDate=20251007-152513" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=7e2882b32698b70f3149aee00c41e3d2d941dca3 -X github.com/google/syzkaller/prog.gitRevisionDate=20251007-152513" ./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=7e2882b32698b70f3149aee00c41e3d2d941dca3 -X github.com/google/syzkaller/prog.gitRevisionDate=20251007-152513" -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=\"7e2882b32698b70f3149aee00c41e3d2d941dca3\" /usr/bin/ld: /tmp/ccz8iIMY.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 ./tools/check-syzos.sh 2>/dev/null