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) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 80.213033][ T1029] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 80.221086][ T1029] ata1: failed to read log page 10h (errno=-5) [ 80.227787][ T1029] ata1.00: exception Emask 0x1 SAct 0x19000000 SErr 0x0 action 0x0 [ 80.238550][ T1029] ata1.00: irq_stat 0x41000000 [ 80.245247][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 80.253667][ T1029] ata1.00: cmd 61/00:c0:06:5f:04/20:00:00:00:00/40 tag 24 ncq dma 4194304 ou [ 80.253667][ T1029] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 80.270655][ T1029] ata1.00: status: { DRDY } [ 80.276107][ T1029] ata1.00: error: { ABRT } [ 80.279601][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 80.286191][ T1029] ata1.00: cmd 61/00:d8:36:a1:04/20:00:00:00:00/40 tag 27 ncq dma 4194304 ou [ 80.286191][ T1029] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 80.304394][ T1029] ata1.00: status: { DRDY } [ 80.310862][ T1029] ata1.00: error: { ABRT } [ 80.314368][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 80.321083][ T1029] ata1.00: cmd 61/88:e0:36:c1:04/0a:00:00:00:00/40 tag 28 ncq dma 1380352 ou [ 80.321083][ T1029] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 80.337026][ T1029] ata1.00: status: { DRDY } [ 80.343777][ T1029] ata1.00: error: { ABRT } [ 80.351049][ T1029] ata1.00: configured for UDMA/100 [ 80.356759][ T1029] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 80.392914][ T1029] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 80.398616][ T1029] ata1: failed to read log page 10h (errno=-5) [ 80.405371][ T1029] ata1.00: exception Emask 0x1 SAct 0xe800 SErr 0x0 action 0x0 [ 80.413232][ T1029] ata1.00: irq_stat 0x41000000 [ 80.418289][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 80.427907][ T1029] ata1.00: cmd 61/f0:58:be:cb:04/02:00:00:00:00/40 tag 11 ncq dma 385024 out [ 80.427907][ T1029] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 80.444781][ T1029] ata1.00: status: { DRDY } [ 80.446766][ T1029] ata1.00: error: { ABRT } [ 80.449397][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 80.452033][ T1029] ata1.00: cmd 61/88:68:ae:ce:04/12:00:00:00:00/40 tag 13 ncq dma 2428928 ou [ 80.452033][ T1029] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 80.459686][ T1029] ata1.00: status: { DRDY } [ 80.461612][ T1029] ata1.00: error: { ABRT } [ 80.463523][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 80.466266][ T1029] ata1.00: cmd 61/00:70:06:5f:04/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou [ 80.466266][ T1029] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 80.474358][ T1029] ata1.00: status: { DRDY } [ 80.476369][ T1029] ata1.00: error: { ABRT } [ 80.478488][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 80.481380][ T1029] ata1.00: cmd 61/00:78:36:a1:04/20:00:00:00:00/40 tag 15 ncq dma 4194304 ou [ 80.481380][ T1029] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 80.488118][ T1029] ata1.00: status: { DRDY } [ 80.490657][ T1029] ata1.00: error: { ABRT } [ 80.493984][ T1029] ata1.00: configured for UDMA/100 [ 80.496317][ T1029] ata1: EH complete Warning: Permanently added '[localhost]:39628' (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) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) 2026/07/20 00:21:27 parsed 1 programs [ 89.069746][ T5290] cgroup: Unknown subsys name 'net' [ 89.127932][ T5290] cgroup: Unknown subsys name 'cpuset' [ 89.133578][ T5290] cgroup: Unknown subsys name 'rlimit' [ 91.849302][ T804] cfg80211: failed to load regulatory.db [ 137.921663][ T1331] ieee802154 phy0 wpan0: encryption failed: -22 [ 137.924985][ T1331] ieee802154 phy1 wpan1: encryption failed: -22 [ 146.258954][ T1029] ata1.00: NCQ disabled due to excessive errors [ 146.261866][ T1029] ata1.00: exception Emask 0x0 SAct 0x4800 SErr 0x0 action 0x6 frozen [ 146.265384][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 146.268122][ T1029] ata1.00: cmd 61/00:58:36:01:05/20:00:00:00:00/40 tag 11 ncq dma 4194304 ou [ 146.268122][ T1029] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 146.275750][ T1029] ata1.00: status: { DRDY } [ 146.278433][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 146.281227][ T1029] ata1.00: cmd 61/00:70:36:61:05/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou [ 146.281227][ T1029] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 146.287872][ T1029] ata1.00: status: { DRDY } [ 146.290196][ T1029] ata1: hard resetting link [ 146.609684][ T1029] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 146.613699][ T1029] ata1.00: configured for UDMA/100 [ 146.616385][ T1029] 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-build3854649164=/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 350f4ffc21 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=350f4ffc211908fed1507b105460d0ce8400ea65 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250506-141626'" -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=\"350f4ffc211908fed1507b105460d0ce8400ea65\" /usr/bin/ld: /tmp/ccAqeWzH.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