lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xb8000) [ 96.705403][ T1010] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 96.708531][ T1010] ata1: failed to read log page 10h (errno=-5) [ 96.734347][ T1010] ata1.00: exception Emask 0x1 SAct 0xc000 SErr 0x0 action 0x0 [ 96.738222][ T1010] ata1.00: irq_stat 0x41000000 [ 96.740403][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 96.743179][ T1010] ata1.00: cmd 61/c0:70:5e:07:05/05:00:00:00:00/40 tag 14 ncq dma 753664 out [ 96.743179][ T1010] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 96.786087][ T1010] ata1.00: status: { DRDY } [ 96.788500][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 96.791416][ T1010] ata1.00: cmd 61/00:78:1e:0d:05/0e:00:00:00:00/40 tag 15 ncq dma 1835008 ou [ 96.791416][ T1010] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 96.822100][ T1010] ata1.00: status: { DRDY } [ 96.834631][ T1010] ata1.00: configured for UDMA/100 [ 96.838968][ T1010] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 96.865403][ T1010] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 96.868237][ T1010] ata1: failed to read log page 10h (errno=-5) [ 96.871572][ T1010] ata1.00: NCQ disabled due to excessive errors [ 96.874520][ T1010] ata1.00: exception Emask 0x1 SAct 0x60 SErr 0x0 action 0x0 [ 96.878633][ T1010] ata1.00: irq_stat 0x41000000 [ 96.881691][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 96.895585][ T1010] ata1.00: cmd 61/00:28:1e:1b:05/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou [ 96.895585][ T1010] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 96.903844][ T1010] ata1.00: status: { DRDY } [ 96.927235][ T1010] ata1.00: error: { ABRT } [ 96.929404][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 96.932232][ T1010] ata1.00: cmd 61/c0:30:5e:07:05/05:00:00:00:00/40 tag 6 ncq dma 753664 out [ 96.932232][ T1010] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 96.974206][ T1010] ata1.00: status: { DRDY } [ 96.976828][ T1010] ata1.00: error: { ABRT } [ 96.983387][ T1010] ata1.00: configured for UDMA/100 [ 96.998372][ T1010] ata1: EH complete [ 97.236069][ T53] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:16858' (ED25519) to the list of known hosts. 2026/04/02 09:49:57 parsed 1 programs [ 105.953406][ T5314] cgroup: Unknown subsys name 'net' [ 106.029769][ T5314] cgroup: Unknown subsys name 'cpuset' [ 106.036680][ T5314] cgroup: Unknown subsys name 'rlimit' [ 107.999115][ T5314] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 115.011142][ T5336] 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. [ 115.642198][ T134] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 115.657115][ T134] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 115.851429][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 115.898535][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 116.090244][ T5357] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 116.099812][ T5357] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 116.105559][ T5357] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 116.109942][ T5357] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 116.115179][ T5357] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 117.860218][ T5339] chnl_net:caif_netlink_parms(): no params data found 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-build451823849=/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 4bd24a3ebf2c 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=4bd24a3ebf2c0a11349dbd8b6830c5cdf98d2c7d -X github.com/google/syzkaller/prog.gitRevisionDate=20250806-095549" -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=\"4bd24a3ebf2c0a11349dbd8b6830c5cdf98d2c7d\" /usr/bin/ld: /tmp/ccoOZBC1.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