lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x13e000) Warning: Permanently added '[localhost]:21865' (ED25519) to the list of known hosts. [ 102.303248][ T10] cfg80211: failed to load regulatory.db 2026/04/20 21:29:14 parsed 1 programs [ 106.847936][ T5327] cgroup: Unknown subsys name 'net' [ 106.916680][ T5327] cgroup: Unknown subsys name 'cpuset' [ 106.926304][ T5327] cgroup: Unknown subsys name 'rlimit' [ 148.379259][ T1327] ieee802154 phy0 wpan0: encryption failed: -22 [ 148.383191][ T1327] ieee802154 phy1 wpan1: encryption failed: -22 [ 157.354511][ T1024] ata1.00: exception Emask 0x0 SAct 0x40000000 SErr 0x0 action 0x6 frozen [ 157.359579][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 157.362617][ T1024] ata1.00: cmd 61/f0:f0:06:6b:04/09:00:00:00:00/40 tag 30 ncq dma 1302528 ou [ 157.362617][ T1024] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 157.370709][ T1024] ata1.00: status: { DRDY } [ 157.373782][ T1024] ata1: hard resetting link [ 157.696670][ T1024] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 157.701331][ T1024] ata1.00: configured for UDMA/100 [ 157.704840][ T1024] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 209.817017][ T1327] ieee802154 phy0 wpan0: encryption failed: -22 [ 209.820557][ T1327] ieee802154 phy1 wpan1: encryption failed: -22 [ 218.154431][ T1024] ata1.00: exception Emask 0x0 SAct 0x800 SErr 0x0 action 0x6 frozen [ 218.158841][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 218.162101][ T1024] ata1.00: cmd 61/00:58:36:01:05/20:00:00:00:00/40 tag 11 ncq dma 4194304 ou [ 218.162101][ T1024] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 218.170813][ T1024] ata1.00: status: { DRDY } [ 218.173924][ T1024] ata1: hard resetting link [ 218.496285][ T1024] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 218.501157][ T1024] ata1.00: configured for UDMA/100 [ 218.504775][ T1024] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 218.539735][ T1024] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 218.551299][ T1024] ata1: failed to read log page 10h (errno=-5) [ 218.565018][ T1024] ata1.00: NCQ disabled due to excessive errors [ 218.569594][ T1024] ata1.00: exception Emask 0x1 SAct 0x7d SErr 0x0 action 0x0 [ 218.584221][ T1024] ata1.00: irq_stat 0x41000008 [ 218.586842][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 218.590139][ T1024] ata1.00: cmd 61/08:00:46:04:10/00:00:00:00:00/40 tag 0 ncq dma 4096 out [ 218.590139][ T1024] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 218.607768][ T1024] ata1.00: status: { DRDY } [ 218.609917][ T1024] ata1.00: error: { ABRT } [ 218.611960][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 218.619079][ T1024] ata1.00: cmd 61/00:10:36:21:05/20:00:00:00:00/40 tag 2 ncq dma 4194304 ou [ 218.619079][ T1024] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 218.628176][ T1024] ata1.00: status: { DRDY } [ 218.630346][ T1024] ata1.00: error: { ABRT } [ 218.632449][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 218.636088][ T1024] ata1.00: cmd 61/40:18:36:41:05/08:00:00:00:00/40 tag 3 ncq dma 1081344 ou [ 218.636088][ T1024] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 218.645795][ T1024] ata1.00: status: { DRDY } [ 218.649008][ T1024] ata1.00: error: { ABRT } [ 218.651245][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 218.655675][ T1024] ata1.00: cmd 61/f0:20:76:49:05/02:00:00:00:00/40 tag 4 ncq dma 385024 out [ 218.655675][ T1024] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 218.664851][ T1024] ata1.00: status: { DRDY } [ 218.667060][ T1024] ata1.00: error: { ABRT } [ 218.669009][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 218.671669][ T1024] ata1.00: cmd 61/00:28:66:4c:05/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou [ 218.671669][ T1024] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 218.680889][ T1024] ata1.00: status: { DRDY } [ 218.683210][ T1024] ata1.00: error: { ABRT } [ 218.685750][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 218.688951][ T1024] ata1.00: cmd 61/d0:30:66:6c:05/14:00:00:00:00/40 tag 6 ncq dma 2727936 ou [ 218.688951][ T1024] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 218.698447][ T1024] ata1.00: status: { DRDY } [ 218.700605][ T1024] ata1.00: error: { ABRT } [ 218.703666][ T1024] ata1.00: configured for UDMA/100 [ 218.707478][ T1024] 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-build858651548=/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 d291dd2d58a1 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=d291dd2d58a1885c00a60561048b6ceb1bf1206a -X github.com/google/syzkaller/prog.gitRevisionDate=20250903-180543" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d291dd2d58a1885c00a60561048b6ceb1bf1206a -X github.com/google/syzkaller/prog.gitRevisionDate=20250903-180543" ./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=d291dd2d58a1885c00a60561048b6ceb1bf1206a -X github.com/google/syzkaller/prog.gitRevisionDate=20250903-180543" -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=\"d291dd2d58a1885c00a60561048b6ceb1bf1206a\" /usr/bin/ld: /tmp/ccMZrKiy.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