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) Warning: Permanently added '[localhost]:16750' (ED25519) to the list of known hosts. [ 91.951396][ T806] cfg80211: failed to load regulatory.db 2026/09/04 12:37:48 parsed 1 programs [ 97.600683][ T5293] cgroup: Unknown subsys name 'net' [ 97.657105][ T5293] cgroup: Unknown subsys name 'cpuset' [ 97.668082][ T5293] cgroup: Unknown subsys name 'rlimit' [ 118.202882][ T1023] ata1.00: exception Emask 0x0 SAct 0x8000000 SErr 0x0 action 0x6 frozen [ 118.208292][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 118.211506][ T1023] ata1.00: cmd 61/00:d8:36:81:04/20:00:00:00:00/40 tag 27 ncq dma 4194304 ou [ 118.211506][ T1023] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 118.219152][ T1023] ata1.00: status: { DRDY } [ 118.221472][ T1023] ata1: hard resetting link [ 118.543886][ T1023] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 118.549360][ T1023] ata1.00: configured for UDMA/100 [ 118.552776][ T1023] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 118.595550][ T1023] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 118.595601][ T1023] ata1: failed to read log page 10h (errno=-5) [ 118.595649][ T1023] ata1.00: exception Emask 0x1 SAct 0xec00 SErr 0x0 action 0x0 [ 118.595680][ T1023] ata1.00: irq_stat 0x41000000 [ 118.595712][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 118.595739][ T1023] ata1.00: cmd 61/00:50:36:81:04/20:00:00:00:00/40 tag 10 ncq dma 4194304 ou [ 118.595739][ T1023] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 118.595789][ T1023] ata1.00: status: { DRDY } [ 118.595819][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 118.595845][ T1023] ata1.00: cmd 61/08:58:96:04:10/00:00:00:00:00/40 tag 11 ncq dma 4096 out [ 118.595845][ T1023] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 118.595903][ T1023] ata1.00: status: { DRDY } [ 118.595933][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 118.595959][ T1023] ata1.00: cmd 61/00:68:36:01:05/20:00:00:00:00/40 tag 13 ncq dma 4194304 ou [ 118.595959][ T1023] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 118.647298][ T1023] ata1.00: status: { DRDY } [ 118.647338][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 118.647365][ T1023] ata1.00: cmd 61/00:70:36:21:05/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou [ 118.647365][ T1023] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 118.647416][ T1023] ata1.00: status: { DRDY } [ 118.647447][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 118.647473][ T1023] ata1.00: cmd 61/00:78:36:41:05/20:00:00:00:00/40 tag 15 ncq dma 4194304 ou [ 118.647473][ T1023] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 118.647524][ T1023] ata1.00: status: { DRDY } [ 118.680209][ T1023] ata1.00: configured for UDMA/100 [ 118.685084][ T1023] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 118.705203][ T1023] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 118.708069][ T1023] ata1: failed to read log page 10h (errno=-5) [ 118.711471][ T1023] ata1.00: NCQ disabled due to excessive errors [ 118.714619][ T1023] ata1.00: exception Emask 0x1 SAct 0x7c0000 SErr 0x0 action 0x0 [ 118.718329][ T1023] ata1.00: irq_stat 0x41000000 [ 118.718346][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 118.718353][ T1023] ata1.00: cmd 61/00:90:36:61:05/20:00:00:00:00/40 tag 18 ncq dma 4194304 ou [ 118.718353][ T1023] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 118.718385][ T1023] ata1.00: status: { DRDY } [ 118.718392][ T1023] ata1.00: error: { ABRT } [ 118.718401][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 118.718407][ T1023] ata1.00: cmd 61/00:98:36:81:04/20:00:00:00:00/40 tag 19 ncq dma 4194304 ou [ 118.718407][ T1023] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 118.718438][ T1023] ata1.00: status: { DRDY } [ 118.718444][ T1023] ata1.00: error: { ABRT } [ 118.718452][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 118.718458][ T1023] ata1.00: cmd 61/08:a0:96:04:10/00:00:00:00:00/40 tag 20 ncq dma 4096 out [ 118.718458][ T1023] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 118.718488][ T1023] ata1.00: status: { DRDY } [ 118.718494][ T1023] ata1.00: error: { ABRT } [ 118.718503][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 118.718509][ T1023] ata1.00: cmd 61/00:a8:36:01:05/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 118.718509][ T1023] res 50/04:01:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 118.718539][ T1023] ata1.00: status: { DRDY } [ 118.718546][ T1023] ata1.00: error: { ABRT } [ 118.718555][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 118.718561][ T1023] ata1.00: cmd 61/00:b0:36:21:05/20:00:00:00:00/40 tag 22 ncq dma 4194304 ou [ 118.718561][ T1023] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 118.718592][ T1023] ata1.00: status: { DRDY } [ 118.718599][ T1023] ata1.00: error: { ABRT } [ 118.801277][ T1023] ata1.00: configured for UDMA/100 [ 118.806660][ T1023] ata1: EH complete Setting up swapspace version 1, size = 127995904 bytes [ 120.990194][ T5293] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 127.597694][ T5322] soft_limit_in_bytes is deprecated and will be removed. Writing any value to this file has no effect. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 130.091858][ T46] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 130.107231][ T46] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 130.112299][ T46] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 130.120007][ T46] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 130.125773][ T46] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 132.183589][ T4648] Bluetooth: hci0: command tx timeout [ 133.534991][ T1053] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 133.547006][ T1053] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 134.222083][ T180] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 134.222122][ T180] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 qemu-system-x86_64: hw/ide/core.c:925: 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-build1778112886=/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 17d780d63f 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=17d780d63fb22ce9f5928fb059d6dde009510d37 -X github.com/google/syzkaller/prog.gitRevisionDate=20260219-175855" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=17d780d63fb22ce9f5928fb059d6dde009510d37 -X github.com/google/syzkaller/prog.gitRevisionDate=20260219-175855" ./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=17d780d63fb22ce9f5928fb059d6dde009510d37 -X github.com/google/syzkaller/prog.gitRevisionDate=20260219-175855" -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=\"17d780d63fb22ce9f5928fb059d6dde009510d37\" /usr/bin/ld: /tmp/ccdxHRr9.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 ./tools/check-syzos.sh 2>/dev/null