lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xb4000) [ 80.377670][ T1022] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 80.380610][ T1022] ata1: failed to read log page 10h (errno=-5) [ 80.383242][ T1022] ata1.00: exception Emask 0x1 SAct 0xc000 SErr 0x0 action 0x0 [ 80.397116][ T1022] ata1.00: irq_stat 0x40000000 [ 80.399301][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 80.402092][ T1022] ata1.00: cmd 61/a0:70:c6:49:04/05:00:00:00:00/40 tag 14 ncq dma 737280 out [ 80.402092][ T1022] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 80.427420][ T1022] ata1.00: status: { DRDY } [ 80.436798][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 80.443536][ T1022] ata1.00: cmd 61/18:78:66:4f:04/03:00:00:00:00/40 tag 15 ncq dma 405504 out [ 80.443536][ T1022] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 80.470302][ T1022] ata1.00: status: { DRDY } [ 80.480123][ T1022] ata1.00: configured for UDMA/100 [ 80.489469][ T1022] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xb5000) [ 80.557930][ T1022] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 80.560920][ T1022] ata1: failed to read log page 10h (errno=-5) [ 80.563665][ T1022] ata1.00: exception Emask 0x1 SAct 0x40000080 SErr 0x0 action 0x0 [ 80.580744][ T1022] ata1.00: irq_stat 0x41000000 [ 80.587632][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 80.594752][ T1022] ata1.00: cmd 61/20:38:de:86:04/08:00:00:00:00/40 tag 7 ncq dma 1064960 ou [ 80.594752][ T1022] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 80.612147][ T1022] ata1.00: status: { DRDY } [ 80.619729][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 80.623695][ T1022] ata1.00: cmd 61/a8:f0:36:81:04/05:00:00:00:00/40 tag 30 ncq dma 741376 out [ 80.623695][ T1022] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 80.645419][ T1022] ata1.00: status: { DRDY } [ 80.650781][ T1022] ata1.00: configured for UDMA/100 [ 80.664906][ T1022] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x1da000) [ 80.705342][ T1022] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 80.708092][ T1022] ata1: failed to read log page 10h (errno=-5) [ 80.710733][ T1022] ata1.00: exception Emask 0x1 SAct 0x200800 SErr 0x0 action 0x0 [ 80.714090][ T1022] ata1.00: irq_stat 0x41000000 [ 80.724639][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 80.730544][ T1022] ata1.00: cmd 61/d0:58:fe:8e:04/0e:00:00:00:00/40 tag 11 ncq dma 1941504 ou [ 80.730544][ T1022] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 80.749791][ T1022] ata1.00: status: { DRDY } [ 80.756293][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 80.763448][ T1022] ata1.00: cmd 61/c8:a8:ce:9d:04/05:00:00:00:00/40 tag 21 ncq dma 757760 out [ 80.763448][ T1022] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 80.778775][ T1022] ata1.00: status: { DRDY } [ 80.785959][ T1022] ata1.00: configured for UDMA/100 [ 80.792705][ T1022] ata1: EH complete Warning: Permanently added '[localhost]:15887' (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) [ 86.015389][ T1022] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 86.024828][ T1022] ata1: failed to read log page 10h (errno=-5) [ 86.027608][ T1022] ata1.00: NCQ disabled due to excessive errors [ 86.033845][ T1022] ata1.00: exception Emask 0x1 SAct 0x3000000 SErr 0x0 action 0x0 [ 86.045105][ T1022] ata1.00: irq_stat 0x41000000 [ 86.051089][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 86.054716][ T1022] ata1.00: cmd 61/00:c0:36:e1:04/20:00:00:00:00/40 tag 24 ncq dma 4194304 ou [ 86.054716][ T1022] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 86.072726][ T1022] ata1.00: status: { DRDY } [ 86.075745][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 86.082622][ T1022] ata1.00: cmd 61/00:c8:36:01:05/20:00:00:00:00/40 tag 25 ncq dma 4194304 ou [ 86.082622][ T1022] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 86.103018][ T1022] ata1.00: status: { DRDY } [ 86.106209][ T1022] ata1.00: configured for UDMA/100 [ 86.109247][ T1022] ata1: EH complete 2026/08/13 11:24:35 parsed 1 programs [ 90.573823][ T5286] cgroup: Unknown subsys name 'net' [ 90.650131][ T5286] cgroup: Unknown subsys name 'cpuset' [ 90.657029][ T5286] cgroup: Unknown subsys name 'rlimit' [ 91.918275][ T1360] cfg80211: failed to load regulatory.db [ 92.236735][ T5286] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 99.161315][ T5306] 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:925: 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-build3603359561=/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 4bd24a3ebf 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=4bd24a3ebf2c0a11349dbd8b6830c5cdf98d2c7d -X github.com/google/syzkaller/prog.gitRevisionDate=20250806-095549" -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=\"4bd24a3ebf2c0a11349dbd8b6830c5cdf98d2c7d\" /usr/bin/ld: /tmp/ccvUyeQL.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