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) [ 88.291483][ T1027] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 88.296897][ T1027] ata1: failed to read log page 10h (errno=-5) [ 88.304940][ T1027] ata1.00: exception Emask 0x1 SAct 0x600000 SErr 0x0 action 0x0 [ 88.318539][ T1027] ata1.00: irq_stat 0x41000000 [ 88.321199][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 88.328381][ T1027] ata1.00: cmd 61/00:a8:36:a1:04/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 88.328381][ T1027] res 50/00:01:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 88.345470][ T1027] ata1.00: status: { DRDY } [ 88.353173][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 88.360993][ T1027] ata1.00: cmd 61/58:b0:36:c1:04/07:00:00:00:00/40 tag 22 ncq dma 962560 out [ 88.360993][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 88.378542][ T1027] ata1.00: status: { DRDY } [ 88.383872][ T1027] ata1.00: configured for UDMA/100 [ 88.395399][ T1027] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) Warning: Permanently added '[localhost]:63020' (ED25519) to the list of known hosts. 2026/05/19 00:28:41 parsed 1 programs [ 96.918306][ T10] cfg80211: failed to load regulatory.db [ 96.993512][ T5296] cgroup: Unknown subsys name 'net' [ 97.062818][ T5296] cgroup: Unknown subsys name 'cpuset' [ 97.070138][ T5296] cgroup: Unknown subsys name 'rlimit' [ 142.990711][ T1330] ieee802154 phy0 wpan0: encryption failed: -22 [ 142.994215][ T1330] ieee802154 phy1 wpan1: encryption failed: -22 [ 157.087459][ T1027] ata1.00: exception Emask 0x0 SAct 0x1200000 SErr 0x0 action 0x6 frozen [ 157.091282][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 157.093993][ T1027] ata1.00: cmd 61/00:a8:36:01:05/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 157.093993][ T1027] res 40/00:01:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 157.101640][ T1027] ata1.00: status: { DRDY } [ 157.104246][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 157.107040][ T1027] ata1.00: cmd 61/00:c0:36:61:05/20:00:00:00:00/40 tag 24 ncq dma 4194304 ou [ 157.107040][ T1027] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 157.114879][ T1027] ata1.00: status: { DRDY } [ 157.116962][ T1027] ata1: hard resetting link [ 157.442807][ T1027] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 157.447605][ T1027] ata1.00: configured for UDMA/100 [ 157.451243][ T1027] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 157.468313][ T1027] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 157.471269][ T1027] ata1: failed to read log page 10h (errno=-5) [ 157.474045][ T1027] ata1.00: NCQ disabled due to excessive errors [ 157.477073][ T1027] ata1.00: exception Emask 0x1 SAct 0x60 SErr 0x0 action 0x0 [ 157.497673][ T1027] ata1.00: irq_stat 0x41000000 [ 157.500608][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 157.503297][ T1027] ata1.00: cmd 61/00:28:36:01:05/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou [ 157.503297][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 157.518042][ T1027] ata1.00: status: { DRDY } [ 157.520180][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 157.522885][ T1027] ata1.00: cmd 61/00:30:36:61:05/20:00:00:00:00/40 tag 6 ncq dma 4194304 ou [ 157.522885][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 157.542119][ T1027] ata1.00: status: { DRDY } [ 157.545781][ T1027] ata1.00: configured for UDMA/100 [ 157.549301][ T1027] 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-build1589359175=/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 88248e14c8cb 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=88248e14c8cbf1fbd42c1a1a91b709987b4be842 -X github.com/google/syzkaller/prog.gitRevisionDate=20250717-123859" -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=\"88248e14c8cbf1fbd42c1a1a91b709987b4be842\" /usr/bin/ld: /tmp/ccEzdV5w.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