lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x3a9000) [ 87.591967][ T1026] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 87.594999][ T1026] ata1: failed to read log page 10h (errno=-5) [ 87.597851][ T1026] ata1.00: NCQ disabled due to excessive errors [ 87.613410][ T1026] ata1.00: exception Emask 0x1 SAct 0x1c000000 SErr 0x0 action 0x0 [ 87.621790][ T1026] ata1.00: irq_stat 0x41000000 [ 87.626449][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.636865][ T1026] ata1.00: cmd 61/60:d0:d6:67:04/19:00:00:00:00/40 tag 26 ncq dma 3325952 ou [ 87.636865][ T1026] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.655028][ T1026] ata1.00: status: { DRDY } [ 87.661995][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.671636][ T1026] ata1.00: cmd 61/48:d8:36:81:04/1d:00:00:00:00/40 tag 27 ncq dma 3837952 ou [ 87.671636][ T1026] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.689765][ T1026] ata1.00: status: { DRDY } [ 87.696370][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.710719][ T1026] ata1.00: cmd 61/48:e0:7e:9e:04/04:00:00:00:00/40 tag 28 ncq dma 561152 out [ 87.710719][ T1026] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.724519][ T1026] ata1.00: status: { DRDY } [ 87.735573][ T1026] ata1.00: configured for UDMA/100 [ 87.742111][ T1026] ata1: EH complete Warning: Permanently added '[localhost]:45818' (ED25519) to the list of known hosts. 2026/04/25 06:07:53 parsed 1 programs [ 96.516311][ T5293] cgroup: Unknown subsys name 'net' [ 96.564393][ T5293] cgroup: Unknown subsys name 'cpuset' [ 96.570221][ T5293] cgroup: Unknown subsys name 'rlimit' [ 96.954648][ T1392] cfg80211: failed to load regulatory.db [ 98.395047][ T5293] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 104.504384][ T5315] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 105.009919][ T37] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 105.043108][ T37] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 105.292918][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 105.318035][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.755561][ T5348] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 107.763093][ T5348] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 107.769679][ T5348] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 107.776742][ T5348] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 107.782955][ T5348] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 109.911378][ T4651] Bluetooth: hci0: command tx timeout [ 111.991464][ T4651] Bluetooth: hci0: command tx timeout [ 114.070533][ T4651] Bluetooth: hci0: command tx timeout 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-build3433700687=/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 6a8fcbc4a617 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=6a8fcbc4a6172c831c89c507007f59fba13408aa -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250226-150939'" -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=\"6a8fcbc4a6172c831c89c507007f59fba13408aa\" /usr/bin/ld: /tmp/ccbxRn7m.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