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) [ 79.646608][ T1029] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 79.649545][ T1029] ata1: failed to read log page 10h (errno=-5) [ 79.652214][ T1029] ata1.00: exception Emask 0x1 SAct 0x1800 SErr 0x0 action 0x0 [ 79.666123][ T1029] ata1.00: irq_stat 0x41000000 [ 79.675649][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 79.678677][ T1029] ata1.00: cmd 61/00:58:36:81:04/20:00:00:00:00/40 tag 11 ncq dma 4194304 ou [ 79.678677][ T1029] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 79.695146][ T1029] ata1.00: status: { DRDY } [ 79.697309][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 79.699885][ T1029] ata1.00: cmd 61/00:60:36:a1:04/20:00:00:00:00/40 tag 12 ncq dma 4194304 ou [ 79.699885][ T1029] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 79.724593][ T1029] ata1.00: status: { DRDY } [ 79.728446][ T1029] ata1.00: configured for UDMA/100 [ 79.731663][ T1029] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 83.249603][ T1029] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 83.257597][ T1029] ata1: failed to read log page 10h (errno=-5) [ 83.269874][ T1029] ata1.00: exception Emask 0x1 SAct 0x600000 SErr 0x0 action 0x0 [ 83.288679][ T1029] ata1.00: irq_stat 0x41000000 [ 83.298703][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 83.311452][ T1029] ata1.00: cmd 61/00:a8:36:e1:04/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 83.311452][ T1029] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 83.348128][ T1029] ata1.00: status: { DRDY } [ 83.357218][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 83.366287][ T1029] ata1.00: cmd 61/b8:b0:36:01:05/09:00:00:00:00/40 tag 22 ncq dma 1273856 ou [ 83.366287][ T1029] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 83.385367][ T1029] ata1.00: status: { DRDY } [ 83.388817][ T1029] ata1.00: configured for UDMA/100 [ 83.396981][ T1029] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x317000) [ 83.426410][ T1029] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 83.429439][ T1029] ata1: failed to read log page 10h (errno=-5) [ 83.432042][ T1029] ata1.00: NCQ disabled due to excessive errors [ 83.434467][ T1029] ata1.00: exception Emask 0x1 SAct 0x3c80000 SErr 0x0 action 0x0 [ 83.442114][ T1029] ata1.00: irq_stat 0x41000008 [ 83.447100][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 83.453477][ T1029] ata1.00: cmd 61/40:98:fe:0d:05/06:00:00:00:00/40 tag 19 ncq dma 819200 out [ 83.453477][ T1029] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 83.470685][ T1029] ata1.00: status: { DRDY } [ 83.474072][ T1029] ata1.00: error: { ABRT } [ 83.484264][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 83.487673][ T1029] ata1.00: cmd 61/e8:b0:3e:14:05/02:00:00:00:00/40 tag 22 ncq dma 380928 out [ 83.487673][ T1029] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 83.498929][ T1029] ata1.00: status: { DRDY } [ 83.501213][ T1029] ata1.00: error: { ABRT } [ 83.503220][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 83.507191][ T1029] ata1.00: cmd 61/58:b8:26:17:05/11:00:00:00:00/40 tag 23 ncq dma 2273280 ou [ 83.507191][ T1029] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 83.514726][ T1029] ata1.00: status: { DRDY } [ 83.517316][ T1029] ata1.00: error: { ABRT } [ 83.519432][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 83.522225][ T1029] ata1.00: cmd 61/b8:c0:7e:28:05/18:00:00:00:00/40 tag 24 ncq dma 3239936 ou [ 83.522225][ T1029] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 83.530437][ T1029] ata1.00: status: { DRDY } [ 83.532666][ T1029] ata1.00: error: { ABRT } [ 83.534656][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 83.537819][ T1029] ata1.00: cmd 61/00:c8:36:41:05/20:00:00:00:00/40 tag 25 ncq dma 4194304 ou [ 83.537819][ T1029] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 83.555965][ T1029] ata1.00: status: { DRDY } [ 83.560575][ T1029] ata1.00: error: { ABRT } [ 83.567438][ T1029] ata1.00: configured for UDMA/100 [ 83.577661][ T1029] ata1: EH complete Warning: Permanently added '[localhost]:25520' (ED25519) to the list of known hosts. 2026/08/01 06:13:58 parsed 1 programs [ 89.584554][ T5294] cgroup: Unknown subsys name 'net' [ 89.640707][ T5294] cgroup: Unknown subsys name 'cpuset' [ 89.647032][ T5294] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 91.327405][ T5294] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 91.814508][ T804] cfg80211: failed to load regulatory.db [ 97.374558][ T5318] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 99.573222][ T24] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 99.620510][ T24] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.738065][ T24] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.762528][ T24] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 116.709165][ T5321] bridge0: port 1(bridge_slave_0) entered blocking state [ 116.718944][ T5321] bridge0: port 1(bridge_slave_0) entered disabled state [ 116.733170][ T5321] bridge_slave_0: entered allmulticast mode [ 116.750713][ T5321] bridge_slave_0: entered promiscuous mode [ 116.938469][ T5321] bridge0: port 2(bridge_slave_1) entered blocking state [ 116.961562][ T5321] bridge0: port 2(bridge_slave_1) entered disabled state [ 116.986294][ T5321] bridge_slave_1: entered allmulticast mode [ 117.006845][ T5321] bridge_slave_1: entered promiscuous mode 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-build3599492083=/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 2cf092b8cf 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=2cf092b8cfccda3ad7fc30eeaf025f97bd331bb8 -X github.com/google/syzkaller/prog.gitRevisionDate=20260227-135944" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=2cf092b8cfccda3ad7fc30eeaf025f97bd331bb8 -X github.com/google/syzkaller/prog.gitRevisionDate=20260227-135944" ./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=2cf092b8cfccda3ad7fc30eeaf025f97bd331bb8 -X github.com/google/syzkaller/prog.gitRevisionDate=20260227-135944" -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=\"2cf092b8cfccda3ad7fc30eeaf025f97bd331bb8\" /usr/bin/ld: /tmp/ccVsenzO.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