lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xa8000) Warning: Permanently added '[localhost]:41458' (ED25519) to the list of known hosts. 2026/04/17 10:06:09 parsed 1 programs [ 95.629007][ T5312] cgroup: Unknown subsys name 'net' [ 95.704278][ T5312] cgroup: Unknown subsys name 'cpuset' [ 95.711303][ T5312] cgroup: Unknown subsys name 'rlimit' [ 96.926085][ T10] cfg80211: failed to load regulatory.db [ 143.006921][ T1320] ieee802154 phy0 wpan0: encryption failed: -22 [ 143.010626][ T1320] ieee802154 phy1 wpan1: encryption failed: -22 [ 150.699477][ T1019] ata1.00: exception Emask 0x0 SAct 0x4000 SErr 0x0 action 0x6 frozen [ 150.703138][ T1019] ata1.00: failed command: WRITE FPDMA QUEUED [ 150.705761][ T1019] ata1.00: cmd 61/40:70:9e:71:04/05:00:00:00:00/40 tag 14 ncq dma 688128 out [ 150.705761][ T1019] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 150.713228][ T1019] ata1.00: status: { DRDY } [ 150.715648][ T1019] ata1: hard resetting link [ 151.040148][ T1019] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 151.045843][ T1019] ata1.00: configured for UDMA/100 [ 151.051975][ T1019] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 151.091485][ T1019] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 151.098202][ T1019] ata1: failed to read log page 10h (errno=-5) [ 151.105930][ T1019] ata1.00: exception Emask 0x1 SAct 0x70 SErr 0x0 action 0x0 [ 151.119516][ T1019] ata1.00: irq_stat 0x41000000 [ 151.121756][ T1019] ata1.00: failed command: WRITE FPDMA QUEUED [ 151.124371][ T1019] ata1.00: cmd 61/00:20:36:01:05/20:00:00:00:00/40 tag 4 ncq dma 4194304 ou [ 151.124371][ T1019] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 151.140118][ T1019] ata1.00: status: { DRDY } [ 151.144242][ T1019] ata1.00: failed command: WRITE FPDMA QUEUED [ 151.147082][ T1019] ata1.00: cmd 61/00:28:36:21:05/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou [ 151.147082][ T1019] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 151.156215][ T1019] ata1.00: status: { DRDY } [ 151.158394][ T1019] ata1.00: failed command: WRITE FPDMA QUEUED [ 151.162197][ T1019] ata1.00: cmd 61/00:30:36:41:05/20:00:00:00:00/40 tag 6 ncq dma 4194304 ou [ 151.162197][ T1019] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 151.169892][ T1019] ata1.00: status: { DRDY } [ 151.173014][ T1019] ata1.00: configured for UDMA/100 [ 151.175821][ T1019] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 151.200241][ T1019] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 151.203025][ T1019] ata1: failed to read log page 10h (errno=-5) [ 151.205606][ T1019] ata1.00: exception Emask 0x1 SAct 0xf000 SErr 0x0 action 0x0 [ 151.208712][ T1019] ata1.00: irq_stat 0x41000000 [ 151.211188][ T1019] ata1.00: failed command: WRITE FPDMA QUEUED [ 151.213482][ T1019] ata1.00: cmd 61/00:60:36:61:05/20:00:00:00:00/40 tag 12 ncq dma 4194304 ou [ 151.213482][ T1019] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 151.221452][ T1019] ata1.00: status: { DRDY } [ 151.224087][ T1019] ata1.00: error: { ABRT } [ 151.226196][ T1019] ata1.00: failed command: WRITE FPDMA QUEUED [ 151.228857][ T1019] ata1.00: cmd 61/00:68:36:01:05/20:00:00:00:00/40 tag 13 ncq dma 4194304 ou [ 151.228857][ T1019] res 50/04:01:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 151.236691][ T1019] ata1.00: status: { DRDY } [ 151.238755][ T1019] ata1.00: error: { ABRT } [ 151.241174][ T1019] ata1.00: failed command: WRITE FPDMA QUEUED [ 151.243973][ T1019] ata1.00: cmd 61/00:70:36:21:05/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou [ 151.243973][ T1019] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 151.252684][ T1019] ata1.00: status: { DRDY } [ 151.254751][ T1019] ata1.00: error: { ABRT } [ 151.256679][ T1019] ata1.00: failed command: WRITE FPDMA QUEUED [ 151.260416][ T1019] ata1.00: cmd 61/00:78:36:41:05/20:00:00:00:00/40 tag 15 ncq dma 4194304 ou [ 151.260416][ T1019] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 151.267947][ T1019] ata1.00: status: { DRDY } [ 151.270487][ T1019] ata1.00: error: { ABRT } [ 151.273585][ T1019] ata1.00: configured for UDMA/100 [ 151.276519][ T1019] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 204.442409][ T1320] ieee802154 phy0 wpan0: encryption failed: -22 [ 204.445150][ T1320] ieee802154 phy1 wpan1: encryption failed: -22 [ 211.499506][ T1019] ata1.00: NCQ disabled due to excessive errors [ 211.502436][ T1019] ata1.00: exception Emask 0x0 SAct 0x20 SErr 0x0 action 0x6 frozen [ 211.505634][ T1019] ata1.00: failed command: WRITE FPDMA QUEUED [ 211.508329][ T1019] ata1.00: cmd 61/00:28:36:41:05/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou [ 211.508329][ T1019] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 211.516099][ T1019] ata1.00: status: { DRDY } [ 211.518908][ T1019] ata1: hard resetting link [ 211.840261][ T1019] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 211.844398][ T1019] ata1.00: configured for UDMA/100 [ 211.847217][ T1019] ata1: EH complete [ 213.415299][ T5312] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 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-build3449651700=/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 568559e4e604 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=568559e4e604140cecd9fc4835eaa0298a1cadcc -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250201-125757'" -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=\"568559e4e604140cecd9fc4835eaa0298a1cadcc\" /usr/bin/ld: /tmp/ccUEDxFu.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