lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x372000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) Warning: Permanently added '[localhost]:58624' (ED25519) to the list of known hosts. [ 97.315094][ T9] cfg80211: failed to load regulatory.db 2026/04/07 21:33:56 parsed 1 programs [ 100.513153][ T5308] cgroup: Unknown subsys name 'net' [ 100.569637][ T5308] cgroup: Unknown subsys name 'cpuset' [ 100.578455][ T5308] cgroup: Unknown subsys name 'rlimit' [ 143.377179][ T1315] ieee802154 phy0 wpan0: encryption failed: -22 [ 143.380679][ T1315] ieee802154 phy1 wpan1: encryption failed: -22 [ 150.434467][ T1012] ata1.00: exception Emask 0x0 SAct 0x4100 SErr 0x0 action 0x6 frozen [ 150.438227][ T1012] ata1.00: failed command: WRITE FPDMA QUEUED [ 150.441147][ T1012] ata1.00: cmd 61/90:40:36:81:04/1b:00:00:00:00/40 tag 8 ncq dma 3612672 ou [ 150.441147][ T1012] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 150.450601][ T1012] ata1.00: status: { DRDY } [ 150.452884][ T1012] ata1.00: failed command: WRITE FPDMA QUEUED [ 150.456346][ T1012] ata1.00: cmd 61/00:70:36:c1:04/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou [ 150.456346][ T1012] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 150.465662][ T1012] ata1.00: status: { DRDY } [ 150.468030][ T1012] ata1: hard resetting link [ 150.788376][ T1012] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 150.792933][ T1012] ata1.00: configured for UDMA/100 [ 150.796177][ T1012] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 150.845482][ T1012] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 150.848613][ T1012] ata1: failed to read log page 10h (errno=-5) [ 150.851548][ T1012] ata1.00: exception Emask 0x1 SAct 0x6c000001 SErr 0x0 action 0x0 [ 150.864923][ T1012] ata1.00: irq_stat 0x41000008 [ 150.867591][ T1012] ata1.00: failed command: WRITE FPDMA QUEUED [ 150.871171][ T1012] ata1.00: cmd 61/50:00:36:41:05/1d:00:00:00:00/40 tag 0 ncq dma 3842048 ou [ 150.871171][ T1012] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 150.895012][ T1012] ata1.00: status: { DRDY } [ 150.897730][ T1012] ata1.00: error: { ABRT } [ 150.899977][ T1012] ata1.00: failed command: WRITE FPDMA QUEUED [ 150.903055][ T1012] ata1.00: cmd 61/00:d0:36:c1:04/20:00:00:00:00/40 tag 26 ncq dma 4194304 ou [ 150.903055][ T1012] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 150.914020][ T1012] ata1.00: status: { DRDY } [ 150.916651][ T1012] ata1.00: error: { ABRT } [ 150.919524][ T1012] ata1.00: failed command: WRITE FPDMA QUEUED [ 150.922747][ T1012] ata1.00: cmd 61/08:d8:4e:04:10/00:00:00:00:00/40 tag 27 ncq dma 4096 out [ 150.922747][ T1012] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 150.930641][ T1012] ata1.00: status: { DRDY } [ 150.932985][ T1012] ata1.00: error: { ABRT } [ 150.936126][ T1012] ata1.00: failed command: WRITE FPDMA QUEUED [ 150.939320][ T1012] ata1.00: cmd 61/00:e8:36:01:05/20:00:00:00:00/40 tag 29 ncq dma 4194304 ou [ 150.939320][ T1012] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 150.947974][ T1012] ata1.00: status: { DRDY } [ 150.951103][ T1012] ata1.00: error: { ABRT } [ 150.953570][ T1012] ata1.00: failed command: WRITE FPDMA QUEUED [ 150.957024][ T1012] ata1.00: cmd 61/00:f0:36:21:05/20:00:00:00:00/40 tag 30 ncq dma 4194304 ou [ 150.957024][ T1012] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 150.966520][ T1012] ata1.00: status: { DRDY } [ 150.969904][ T1012] ata1.00: error: { ABRT } [ 150.973280][ T1012] ata1.00: configured for UDMA/100 [ 150.977217][ T1012] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x3aa000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 151.005455][ T1012] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 151.008920][ T1012] ata1: failed to read log page 10h (errno=-5) [ 151.012382][ T1012] ata1.00: NCQ disabled due to excessive errors [ 151.015744][ T1012] ata1.00: exception Emask 0x1 SAct 0x320 SErr 0x0 action 0x0 [ 151.019223][ T1012] ata1.00: irq_stat 0x41000008 [ 151.021783][ T1012] ata1.00: failed command: WRITE FPDMA QUEUED [ 151.025609][ T1012] ata1.00: cmd 61/50:28:36:41:05/1d:00:00:00:00/40 tag 5 ncq dma 3842048 ou [ 151.025609][ T1012] res 50/04:01:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 151.033558][ T1012] ata1.00: status: { DRDY } [ 151.036853][ T1012] ata1.00: error: { ABRT } [ 151.039588][ T1012] ata1.00: failed command: WRITE FPDMA QUEUED [ 151.042424][ T1012] ata1.00: cmd 61/00:40:36:01:05/20:00:00:00:00/40 tag 8 ncq dma 4194304 ou [ 151.042424][ T1012] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 151.051072][ T1012] ata1.00: status: { DRDY } [ 151.053758][ T1012] ata1.00: error: { ABRT } [ 151.056409][ T1012] ata1.00: failed command: WRITE FPDMA QUEUED [ 151.059173][ T1012] ata1.00: cmd 61/00:48:36:21:05/20:00:00:00:00/40 tag 9 ncq dma 4194304 ou [ 151.059173][ T1012] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 151.068354][ T1012] ata1.00: status: { DRDY } [ 151.070572][ T1012] ata1.00: error: { ABRT } [ 151.073601][ T1012] ata1.00: configured for UDMA/100 [ 151.077210][ T1012] 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-build788944985=/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 d869b261f172 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=d869b261f1720448710036c04ba2ec8f39a88f4d -X github.com/google/syzkaller/prog.gitRevisionDate=20250704-110903" -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=\"d869b261f1720448710036c04ba2ec8f39a88f4d\" /usr/bin/ld: /tmp/ccL3qxJF.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