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]:11922' (ED25519) to the list of known hosts. 2026/05/14 07:38:53 parsed 1 programs [ 96.863528][ T804] cfg80211: failed to load regulatory.db [ 96.976413][ T5292] cgroup: Unknown subsys name 'net' [ 97.045332][ T5292] cgroup: Unknown subsys name 'cpuset' [ 97.051466][ T5292] cgroup: Unknown subsys name 'rlimit' [ 142.944249][ T1330] ieee802154 phy0 wpan0: encryption failed: -22 [ 142.947876][ T1330] ieee802154 phy1 wpan1: encryption failed: -22 [ 150.000774][ T1028] ata1.00: exception Emask 0x0 SAct 0x1000000 SErr 0x0 action 0x6 frozen [ 150.004610][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 150.007351][ T1028] ata1.00: cmd 61/00:c0:36:81:04/20:00:00:00:00/40 tag 24 ncq dma 4194304 ou [ 150.007351][ T1028] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 150.014770][ T1028] ata1.00: status: { DRDY } [ 150.017268][ T1028] ata1: hard resetting link [ 150.341474][ T1028] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 150.345787][ T1028] ata1.00: configured for UDMA/100 [ 150.348440][ T1028] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 204.382965][ T1330] ieee802154 phy0 wpan0: encryption failed: -22 [ 204.385728][ T1330] ieee802154 phy1 wpan1: encryption failed: -22 [ 210.800657][ T1028] ata1.00: exception Emask 0x0 SAct 0x4000 SErr 0x0 action 0x6 frozen [ 210.804354][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 210.807074][ T1028] ata1.00: cmd 61/00:70:36:41:05/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou [ 210.807074][ T1028] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 210.814589][ T1028] ata1.00: status: { DRDY } [ 210.817063][ T1028] ata1: hard resetting link [ 211.142798][ T1028] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 211.146758][ T1028] ata1.00: configured for UDMA/100 [ 211.149446][ T1028] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 211.261631][ T1028] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 211.264559][ T1028] ata1: failed to read log page 10h (errno=-5) [ 211.267253][ T1028] ata1.00: NCQ disabled due to excessive errors [ 211.270270][ T1028] ata1.00: exception Emask 0x1 SAct 0x600000 SErr 0x0 action 0x0 [ 211.286951][ T1028] ata1.00: irq_stat 0x41000000 [ 211.295273][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 211.298233][ T1028] ata1.00: cmd 61/00:a8:36:41:0c/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 211.298233][ T1028] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 211.320508][ T1028] ata1.00: status: { DRDY } [ 211.322512][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 211.325146][ T1028] ata1.00: cmd 61/e8:b0:36:61:0c/08:00:00:00:00/40 tag 22 ncq dma 1167360 ou [ 211.325146][ T1028] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 211.340013][ T1028] ata1.00: status: { DRDY } [ 211.346186][ T1028] ata1.00: configured for UDMA/100 [ 211.364010][ T1028] 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-build1119873720=/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 803ce19b0a89 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=803ce19b0a8969a6e25644dad041eb2cffcda94f -X github.com/google/syzkaller/prog.gitRevisionDate=20250626-124947" -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=\"803ce19b0a8969a6e25644dad041eb2cffcda94f\" /usr/bin/ld: /tmp/ccr6k8S5.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