lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 97.342020][ T921] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:48325' (ED25519) to the list of known hosts. 2026/03/13 08:17:07 parsed 1 programs [ 105.841010][ T5310] cgroup: Unknown subsys name 'net' [ 105.894661][ T5310] cgroup: Unknown subsys name 'cpuset' [ 105.902545][ T5310] cgroup: Unknown subsys name 'rlimit' [ 143.410956][ T1316] ieee802154 phy0 wpan0: encryption failed: -22 [ 143.414194][ T1316] ieee802154 phy1 wpan1: encryption failed: -22 [ 156.866918][ T1010] ata1.00: exception Emask 0x0 SAct 0x4000 SErr 0x0 action 0x6 frozen [ 156.871008][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 156.874340][ T1010] ata1.00: cmd 61/00:70:36:c1:04/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou [ 156.874340][ T1010] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 156.883203][ T1010] ata1.00: status: { DRDY } [ 156.885457][ T1010] ata1: hard resetting link [ 157.209393][ T1010] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 157.214066][ T1010] ata1.00: configured for UDMA/100 [ 157.217585][ T1010] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 157.258626][ T1010] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 157.261684][ T1010] ata1: failed to read log page 10h (errno=-5) [ 157.265439][ T1010] ata1.00: NCQ disabled due to excessive errors [ 157.286715][ T1010] ata1.00: exception Emask 0x1 SAct 0x1fe0 SErr 0x0 action 0x0 [ 157.291306][ T1010] ata1.00: irq_stat 0x41000000 [ 157.295120][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 157.304367][ T1010] ata1.00: cmd 61/f0:28:9e:e9:04/02:00:00:00:00/40 tag 5 ncq dma 385024 out [ 157.304367][ T1010] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 157.314923][ T1010] ata1.00: status: { DRDY } [ 157.319062][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 157.322385][ T1010] ata1.00: cmd 61/00:30:36:c1:04/20:00:00:00:00/40 tag 6 ncq dma 4194304 ou [ 157.322385][ T1010] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 157.331589][ T1010] ata1.00: status: { DRDY } [ 157.333819][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 157.337439][ T1010] ata1.00: cmd 61/c0:38:ce:f1:04/02:00:00:00:00/40 tag 7 ncq dma 360448 out [ 157.337439][ T1010] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 157.347188][ T1010] ata1.00: status: { DRDY } [ 157.349297][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 157.352175][ T1010] ata1.00: cmd 61/40:40:8e:f4:04/05:00:00:00:00/40 tag 8 ncq dma 688128 out [ 157.352175][ T1010] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 157.360806][ T1010] ata1.00: status: { DRDY } [ 157.364556][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 157.368743][ T1010] ata1.00: cmd 61/c0:48:ce:f9:04/02:00:00:00:00/40 tag 9 ncq dma 360448 out [ 157.368743][ T1010] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 157.376960][ T1010] ata1.00: status: { DRDY } [ 157.379176][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 157.382050][ T1010] ata1.00: cmd 61/a8:50:8e:fc:04/04:00:00:00:00/40 tag 10 ncq dma 610304 out [ 157.382050][ T1010] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 157.392379][ T1010] ata1.00: status: { DRDY } [ 157.394569][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 157.397781][ T1010] ata1.00: cmd 61/00:58:36:01:05/20:00:00:00:00/40 tag 11 ncq dma 4194304 ou [ 157.397781][ T1010] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 157.407144][ T1010] ata1.00: status: { DRDY } [ 157.409781][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 157.412785][ T1010] ata1.00: cmd 61/68:60:36:21:05/11:00:00:00:00/40 tag 12 ncq dma 2281472 ou [ 157.412785][ T1010] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 157.423264][ T1010] ata1.00: status: { DRDY } [ 157.427931][ T1010] ata1.00: configured for UDMA/100 [ 157.431030][ T1010] 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-build670210158=/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 20510e8871e3 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=20510e8871e31b24ba7dfd19ee03a482ae2ad722 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250326-130234'" -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=\"20510e8871e31b24ba7dfd19ee03a482ae2ad722\" /usr/bin/ld: /tmp/ccUJdmY4.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