lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x7c000) [ 88.078848][ T1028] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 88.087428][ T1028] ata1: failed to read log page 10h (errno=-5) [ 88.099805][ T1028] ata1.00: exception Emask 0x1 SAct 0xc000 SErr 0x0 action 0x0 [ 88.110314][ T1028] ata1.00: irq_stat 0x41000000 [ 88.117859][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 88.125818][ T1028] ata1.00: cmd 61/e0:70:36:58:04/03:00:00:00:00/40 tag 14 ncq dma 507904 out [ 88.125818][ T1028] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 88.149988][ T1028] ata1.00: status: { DRDY } [ 88.155165][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 88.162045][ T1028] ata1.00: cmd 61/30:78:16:5c:04/10:00:00:00:00/40 tag 15 ncq dma 2121728 ou [ 88.162045][ T1028] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 88.183403][ T1028] ata1.00: status: { DRDY } [ 88.187149][ T1028] ata1.00: configured for UDMA/100 [ 88.195401][ T1028] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 88.226005][ T1028] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 88.229086][ T1028] ata1: failed to read log page 10h (errno=-5) [ 88.231768][ T1028] ata1.00: exception Emask 0x1 SAct 0x3e0 SErr 0x0 action 0x0 [ 88.243240][ T1028] ata1.00: irq_stat 0x41000008 [ 88.252793][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 88.265094][ T1028] ata1.00: cmd 61/f0:28:46:6c:04/14:00:00:00:00/40 tag 5 ncq dma 2744320 ou [ 88.265094][ T1028] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 88.296305][ T1028] ata1.00: status: { DRDY } [ 88.302900][ T1028] ata1.00: error: { ABRT } [ 88.310859][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 88.320521][ T1028] ata1.00: cmd 61/e0:30:36:58:04/03:00:00:00:00/40 tag 6 ncq dma 507904 out [ 88.320521][ T1028] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 88.351320][ T1028] ata1.00: status: { DRDY } [ 88.356950][ T1028] ata1.00: error: { ABRT } [ 88.363632][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 88.375170][ T1028] ata1.00: cmd 61/30:38:16:5c:04/10:00:00:00:00/40 tag 7 ncq dma 2121728 ou [ 88.375170][ T1028] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 88.400203][ T1028] ata1.00: status: { DRDY } [ 88.412532][ T1028] ata1.00: error: { ABRT } [ 88.419247][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 88.426571][ T1028] ata1.00: cmd 61/00:40:36:a1:04/20:00:00:00:00/40 tag 8 ncq dma 4194304 ou [ 88.426571][ T1028] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 88.449774][ T1028] ata1.00: status: { DRDY } [ 88.458359][ T1028] ata1.00: error: { ABRT } [ 88.468834][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 88.473491][ T1028] ata1.00: cmd 61/00:48:36:c1:04/20:00:00:00:00/40 tag 9 ncq dma 4194304 ou [ 88.473491][ T1028] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 88.504597][ T1028] ata1.00: status: { DRDY } [ 88.513298][ T1028] ata1.00: error: { ABRT } [ 88.528627][ T1028] ata1.00: configured for UDMA/100 [ 88.539629][ T1028] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x1ab000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x132000) [ 92.156385][ T1028] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 92.165328][ T1028] ata1: failed to read log page 10h (errno=-5) [ 92.177507][ T1028] ata1.00: NCQ disabled due to excessive errors [ 92.190842][ T1028] ata1.00: exception Emask 0x1 SAct 0x48000001 SErr 0x0 action 0x0 [ 92.204129][ T1028] ata1.00: irq_stat 0x41000000 [ 92.212565][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 92.224774][ T1028] ata1.00: cmd 61/88:00:36:41:05/05:00:00:00:00/40 tag 0 ncq dma 724992 out [ 92.224774][ T1028] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 92.235556][ T1028] ata1.00: status: { DRDY } [ 92.244819][ T1028] ata1.00: error: { ABRT } [ 92.246996][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 92.249618][ T1028] ata1.00: cmd 61/58:d8:36:21:05/0d:00:00:00:00/40 tag 27 ncq dma 1748992 ou [ 92.249618][ T1028] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 92.264880][ T1028] ata1.00: status: { DRDY } [ 92.269728][ T1028] ata1.00: error: { ABRT } [ 92.274868][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 92.279614][ T1028] ata1.00: cmd 61/90:f0:a6:37:05/09:00:00:00:00/40 tag 30 ncq dma 1253376 ou [ 92.279614][ T1028] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 92.300687][ T1028] ata1.00: status: { DRDY } [ 92.302919][ T1028] ata1.00: error: { ABRT } [ 92.307820][ T1028] ata1.00: configured for UDMA/100 [ 92.315126][ T1028] ata1: EH complete Warning: Permanently added '[localhost]:23003' (ED25519) to the list of known hosts. 2026/05/23 18:39:11 parsed 1 programs [ 96.959391][ T77] cfg80211: failed to load regulatory.db [ 97.257938][ T5300] cgroup: Unknown subsys name 'net' [ 97.331498][ T5300] cgroup: Unknown subsys name 'cpuset' [ 97.339476][ T5300] cgroup: Unknown subsys name 'rlimit' [ 99.072832][ T5300] 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-build2107126498=/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 fb8f743dc82b 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=fb8f743dc82ba3a879228aa71ce09fdc570665d1 -X github.com/google/syzkaller/prog.gitRevisionDate=20250724-140804" -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=\"fb8f743dc82ba3a879228aa71ce09fdc570665d1\" /usr/bin/ld: /tmp/cc9ENjkH.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