lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x39a000) [ 89.273092][ T1026] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 89.280948][ T1026] ata1: failed to read log page 10h (errno=-5) [ 89.284836][ T1026] ata1.00: exception Emask 0x1 SAct 0x1800 SErr 0x0 action 0x0 [ 89.295889][ T1026] ata1.00: irq_stat 0x41000000 [ 89.301061][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 89.308720][ T1026] ata1.00: cmd 61/d0:58:36:c1:04/1c:00:00:00:00/40 tag 11 ncq dma 3776512 ou [ 89.308720][ T1026] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 89.323489][ T1026] ata1.00: status: { DRDY } [ 89.331790][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 89.337254][ T1026] ata1.00: cmd 61/30:60:06:de:04/03:00:00:00:00/40 tag 12 ncq dma 417792 out [ 89.337254][ T1026] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 89.354363][ T1026] ata1.00: status: { DRDY } [ 89.362068][ T1026] ata1.00: configured for UDMA/100 [ 89.371066][ T1026] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xa8000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) Warning: Permanently added '[localhost]:54969' (ED25519) to the list of known hosts. 2026/04/25 13:40:31 parsed 1 programs [ 97.051114][ T802] cfg80211: failed to load regulatory.db [ 98.410713][ T5295] cgroup: Unknown subsys name 'net' [ 98.469808][ T5295] cgroup: Unknown subsys name 'cpuset' [ 98.475337][ T5295] cgroup: Unknown subsys name 'rlimit' [ 143.132049][ T1329] ieee802154 phy0 wpan0: encryption failed: -22 [ 143.135084][ T1329] ieee802154 phy1 wpan1: encryption failed: -22 [ 154.028323][ T1026] ata1.00: NCQ disabled due to excessive errors [ 154.031549][ T1026] ata1.00: exception Emask 0x0 SAct 0x40000020 SErr 0x0 action 0x6 frozen [ 154.035554][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 154.038666][ T1026] ata1.00: cmd 61/00:28:36:61:05/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou [ 154.038666][ T1026] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 154.047135][ T1026] ata1.00: status: { DRDY } [ 154.049578][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 154.052469][ T1026] ata1.00: cmd 61/40:f0:36:01:05/05:00:00:00:00/40 tag 30 ncq dma 688128 out [ 154.052469][ T1026] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 154.060492][ T1026] ata1.00: status: { DRDY } [ 154.062780][ T1026] ata1: hard resetting link [ 154.379243][ T1026] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 154.384906][ T1026] ata1.00: configured for UDMA/100 [ 154.387828][ T1026] 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-build1609761325=/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 ef766cd7419c 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=ef766cd7419cd6574f2bc8df4b866b93bc12bcb1 -X github.com/google/syzkaller/prog.gitRevisionDate=20251117-092759" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=ef766cd7419cd6574f2bc8df4b866b93bc12bcb1 -X github.com/google/syzkaller/prog.gitRevisionDate=20251117-092759" ./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=ef766cd7419cd6574f2bc8df4b866b93bc12bcb1 -X github.com/google/syzkaller/prog.gitRevisionDate=20251117-092759" -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=\"ef766cd7419cd6574f2bc8df4b866b93bc12bcb1\" /usr/bin/ld: /tmp/ccGXiwk1.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