lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xb2000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x231000) Warning: Permanently added '[localhost]:37408' (ED25519) to the list of known hosts. [ 102.396744][ T871] cfg80211: failed to load regulatory.db 2026/04/29 21:07:00 parsed 1 programs [ 106.813976][ T5292] cgroup: Unknown subsys name 'net' [ 106.883964][ T5292] cgroup: Unknown subsys name 'cpuset' [ 106.916867][ T5292] cgroup: Unknown subsys name 'rlimit' [ 148.470081][ T1331] ieee802154 phy0 wpan0: encryption failed: -22 [ 148.473608][ T1331] ieee802154 phy1 wpan1: encryption failed: -22 [ 157.445628][ T1027] ata1.00: exception Emask 0x0 SAct 0x40004000 SErr 0x0 action 0x6 frozen [ 157.451000][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 157.453992][ T1027] ata1.00: cmd 61/88:70:36:c1:04/11:00:00:00:00/40 tag 14 ncq dma 2297856 ou [ 157.453992][ T1027] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 157.465557][ T1027] ata1.00: status: { DRDY } [ 157.468379][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 157.471421][ T1027] ata1.00: cmd 61/90:f0:f6:4c:04/05:00:00:00:00/40 tag 30 ncq dma 729088 out [ 157.471421][ T1027] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 157.480713][ T1027] ata1.00: status: { DRDY } [ 157.483505][ T1027] ata1: hard resetting link [ 157.808244][ T1027] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 157.814379][ T1027] ata1.00: configured for UDMA/100 [ 157.817931][ T1027] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 209.908746][ T1331] ieee802154 phy0 wpan0: encryption failed: -22 [ 209.914547][ T1331] ieee802154 phy1 wpan1: encryption failed: -22 [ 218.245485][ T1027] ata1.00: exception Emask 0x0 SAct 0x200000 SErr 0x0 action 0x6 frozen [ 218.250984][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 218.253766][ T1027] ata1.00: cmd 61/00:a8:36:e1:04/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 218.253766][ T1027] res 40/00:01:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 218.267022][ T1027] ata1.00: status: { DRDY } [ 218.271241][ T1027] ata1: hard resetting link [ 218.598480][ T1027] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 218.603930][ T1027] ata1.00: configured for UDMA/100 [ 218.607725][ T1027] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 218.639054][ T1027] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 218.651863][ T1027] ata1: failed to read log page 10h (errno=-5) [ 218.662647][ T1027] ata1.00: NCQ disabled due to excessive errors [ 218.674537][ T1027] ata1.00: exception Emask 0x1 SAct 0xca00 SErr 0x0 action 0x0 [ 218.685953][ T1027] ata1.00: irq_stat 0x41000000 [ 218.688706][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 218.691963][ T1027] ata1.00: cmd 61/00:48:36:01:05/20:00:00:00:00/40 tag 9 ncq dma 4194304 ou [ 218.691963][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 218.715049][ T1027] ata1.00: status: { DRDY } [ 218.719537][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 218.723010][ T1027] ata1.00: cmd 61/08:58:4e:04:10/00:00:00:00:00/40 tag 11 ncq dma 4096 out [ 218.723010][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 218.732088][ T1027] ata1.00: status: { DRDY } [ 218.734337][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 218.737618][ T1027] ata1.00: cmd 61/00:70:36:e1:04/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou [ 218.737618][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 218.747370][ T1027] ata1.00: status: { DRDY } [ 218.749709][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 218.752614][ T1027] ata1.00: cmd 61/c0:78:36:41:05/0a:00:00:00:00/40 tag 15 ncq dma 1409024 ou [ 218.752614][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 218.762632][ T1027] ata1.00: status: { DRDY } [ 218.766426][ T1027] ata1.00: configured for UDMA/100 [ 218.769325][ T1027] 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-build764031920=/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 fb888278a6b2 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 go fmt ./sys/... >/dev/null touch .descriptions GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=fb888278a6b21eda7fa63551c83fd17b90305ba1 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20241030-093306'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -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 -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"fb888278a6b21eda7fa63551c83fd17b90305ba1\" /usr/bin/ld: /tmp/ccaoccmk.o: in function `test_cover_filter()': executor.cc:(.text+0x1693b): warning: the use of `tempnam' is dangerous, better use `mkstemp' /usr/bin/ld: /tmp/ccaoccmk.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