lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x1e8000) [ 80.952574][ T1021] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 80.955620][ T1021] ata1: failed to read log page 10h (errno=-5) [ 80.958430][ T1021] ata1.00: exception Emask 0x1 SAct 0xc000 SErr 0x0 action 0x0 [ 80.961892][ T1021] ata1.00: irq_stat 0x41000000 [ 80.964113][ T1021] ata1.00: failed command: WRITE FPDMA QUEUED [ 80.966655][ T1021] ata1.00: cmd 61/40:70:f6:b1:04/0f:00:00:00:00/40 tag 14 ncq dma 1998848 ou [ 80.966655][ T1021] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 80.974616][ T1021] ata1.00: status: { DRDY } [ 80.976868][ T1021] ata1.00: failed command: WRITE FPDMA QUEUED [ 80.979824][ T1021] ata1.00: cmd 61/e0:78:36:c1:04/0d:00:00:00:00/40 tag 15 ncq dma 1818624 ou [ 80.979824][ T1021] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 80.981281][ T1021] ata1.00: status: { DRDY } [ 80.996885][ T1021] ata1.00: configured for UDMA/100 [ 81.004599][ T1021] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x1aa000) [ 82.579348][ T1021] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 82.579388][ T1021] ata1: failed to read log page 10h (errno=-5) [ 82.579424][ T1021] ata1.00: exception Emask 0x1 SAct 0xc000 SErr 0x0 action 0x0 [ 82.579462][ T1021] ata1.00: irq_stat 0x41000000 [ 82.579493][ T1021] ata1.00: failed command: WRITE FPDMA QUEUED [ 82.579525][ T1021] ata1.00: cmd 61/50:70:5e:1d:05/0d:00:00:00:00/40 tag 14 ncq dma 1744896 ou [ 82.579525][ T1021] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 82.579576][ T1021] ata1.00: status: { DRDY } [ 82.579605][ T1021] ata1.00: failed command: WRITE FPDMA QUEUED [ 82.579625][ T1021] ata1.00: cmd 61/00:78:ae:2a:05/03:00:00:00:00/40 tag 15 ncq dma 393216 out [ 82.579625][ T1021] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 82.579667][ T1021] ata1.00: status: { DRDY } [ 82.625841][ T1021] ata1.00: configured for UDMA/100 [ 82.628633][ T1021] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 82.829793][ T1021] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 82.829843][ T1021] ata1: failed to read log page 10h (errno=-5) [ 82.829881][ T1021] ata1.00: NCQ disabled due to excessive errors [ 82.829910][ T1021] ata1.00: exception Emask 0x1 SAct 0x1800 SErr 0x0 action 0x0 [ 82.829940][ T1021] ata1.00: irq_stat 0x41000000 [ 82.829971][ T1021] ata1.00: failed command: WRITE FPDMA QUEUED [ 82.829998][ T1021] ata1.00: cmd 61/00:58:ee:4c:05/20:00:00:00:00/40 tag 11 ncq dma 4194304 ou [ 82.829998][ T1021] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 82.830045][ T1021] ata1.00: status: { DRDY } [ 82.830072][ T1021] ata1.00: failed command: WRITE FPDMA QUEUED [ 82.830097][ T1021] ata1.00: cmd 61/48:60:ee:6c:05/14:00:00:00:00/40 tag 12 ncq dma 2658304 ou [ 82.830097][ T1021] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 82.870782][ T1021] ata1.00: status: { DRDY } [ 82.880156][ T1021] ata1.00: configured for UDMA/100 [ 82.884971][ T1021] ata1: EH complete Warning: Permanently added '[localhost]:44045' (ED25519) to the list of known hosts. 2026/09/04 13:33:53 parsed 1 programs [ 91.757336][ T5294] cgroup: Unknown subsys name 'net' [ 91.848033][ T5294] cgroup: Unknown subsys name 'cpuset' [ 91.862350][ T10] cfg80211: failed to load regulatory.db [ 91.873671][ T5294] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 93.499244][ T5294] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 99.321629][ T5312] soft_limit_in_bytes is deprecated and will be removed. Writing any value to this file has no effect. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 103.064219][ T5344] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 103.071283][ T5344] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 103.081634][ T5344] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 103.086386][ T5344] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 103.091414][ T5344] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 qemu-system-x86_64: hw/ide/core.c:925: 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-build1005110699=/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 e6b6b96b1e 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=e6b6b96b1e8b6f82d99cc58be2d80413150ac521 -X github.com/google/syzkaller/prog.gitRevisionDate=20260304-103501" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=e6b6b96b1e8b6f82d99cc58be2d80413150ac521 -X github.com/google/syzkaller/prog.gitRevisionDate=20260304-103501" ./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=e6b6b96b1e8b6f82d99cc58be2d80413150ac521 -X github.com/google/syzkaller/prog.gitRevisionDate=20260304-103501" -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=\"e6b6b96b1e8b6f82d99cc58be2d80413150ac521\" /usr/bin/ld: /tmp/ccRIAUgO.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