lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x1cc000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 91.884385][ T1026] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 91.884464][ T1026] ata1: failed to read log page 10h (errno=-5) [ 91.884484][ T1026] ata1.00: exception Emask 0x1 SAct 0x40000070 SErr 0x0 action 0x0 [ 91.884496][ T1026] ata1.00: irq_stat 0x41000000 [ 91.884505][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 91.884512][ T1026] ata1.00: cmd 61/40:20:f6:97:04/19:00:00:00:00/40 tag 4 ncq dma 3309568 ou [ 91.884512][ T1026] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 91.884544][ T1026] ata1.00: status: { DRDY } [ 91.884551][ T1026] ata1.00: error: { ABRT } [ 91.884559][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 91.884566][ T1026] ata1.00: cmd 61/00:28:36:b1:04/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou [ 91.884566][ T1026] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 91.884594][ T1026] ata1.00: status: { DRDY } [ 91.884601][ T1026] ata1.00: error: { ABRT } [ 91.884610][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 91.884616][ T1026] ata1.00: cmd 61/c0:30:36:d1:04/0c:00:00:00:00/40 tag 6 ncq dma 1671168 ou [ 91.884616][ T1026] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 91.884648][ T1026] ata1.00: status: { DRDY } [ 91.884655][ T1026] ata1.00: error: { ABRT } [ 91.884665][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 91.884670][ T1026] ata1.00: cmd 61/60:f0:7e:58:04/0e:00:00:00:00/40 tag 30 ncq dma 1884160 ou [ 91.884670][ T1026] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 91.884697][ T1026] ata1.00: status: { DRDY } [ 91.884703][ T1026] ata1.00: error: { ABRT } [ 92.000171][ T1026] ata1.00: configured for UDMA/100 qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x328000) [ 92.019808][ T1026] ata1: EH complete [ 92.059790][ T1026] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 92.059811][ T1026] ata1: failed to read log page 10h (errno=-5) [ 92.059825][ T1026] ata1.00: exception Emask 0x1 SAct 0x300 SErr 0x0 action 0x0 [ 92.059836][ T1026] ata1.00: irq_stat 0x41000000 [ 92.059846][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 92.059853][ T1026] ata1.00: cmd 61/40:40:f6:97:04/19:00:00:00:00/40 tag 8 ncq dma 3309568 ou [ 92.059853][ T1026] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 92.059883][ T1026] ata1.00: status: { DRDY } [ 92.059891][ T1026] ata1.00: error: { ABRT } [ 92.059900][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 92.059913][ T1026] ata1.00: cmd 61/00:48:36:b1:04/20:00:00:00:00/40 tag 9 ncq dma 4194304 ou [ 92.059913][ T1026] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 92.059941][ T1026] ata1.00: status: { DRDY } [ 92.059949][ T1026] ata1.00: error: { ABRT } [ 92.060981][ T1026] ata1.00: configured for UDMA/100 [ 92.111994][ T1026] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x1cc000) [ 92.144484][ T1026] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 92.144502][ T1026] ata1: failed to read log page 10h (errno=-5) [ 92.144514][ T1026] ata1.00: exception Emask 0x1 SAct 0x4000 SErr 0x0 action 0x0 [ 92.144525][ T1026] ata1.00: irq_stat 0x41000008 [ 92.144535][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 92.144542][ T1026] ata1.00: cmd 61/60:70:7e:58:04/0e:00:00:00:00/40 tag 14 ncq dma 1884160 ou [ 92.144542][ T1026] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 92.144580][ T1026] ata1.00: status: { DRDY } [ 92.144587][ T1026] ata1.00: error: { ABRT } [ 92.145469][ T1026] ata1.00: configured for UDMA/100 [ 92.145843][ T1026] ata1: EH complete Warning: Permanently added '[localhost]:12313' (ED25519) to the list of known hosts. qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 97.079849][ T10] cfg80211: failed to load regulatory.db 2026/10/11 00:28:21 parsed 1 programs [ 102.871215][ T5286] cgroup: Unknown subsys name 'net' [ 102.927017][ T5286] cgroup: Unknown subsys name 'cpuset' [ 102.930693][ T5286] cgroup: Unknown subsys name 'rlimit' [ 127.162664][ T1026] ata1.00: NCQ disabled due to excessive errors [ 127.162698][ T1026] ata1.00: exception Emask 0x0 SAct 0x200000 SErr 0x0 action 0x6 frozen [ 127.162714][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 127.162720][ T1026] ata1.00: cmd 61/00:a8:36:31:05/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 127.162720][ T1026] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 127.162749][ T1026] ata1.00: status: { DRDY } [ 127.162791][ T1026] ata1: hard resetting link [ 127.487735][ T1026] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 127.488914][ T1026] ata1.00: configured for UDMA/100 [ 127.489242][ T1026] ata1: EH complete Setting up swapspace version 1, size = 127995904 bytes [ 129.786735][ T5286] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 135.157545][ T5321] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 135.158868][ T5321] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 135.171366][ T5321] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 135.178364][ T5321] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 135.181174][ T5321] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 136.890410][ T5315] 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. [ 137.305515][ T5321] Bluetooth: hci0: command tx timeout [ 139.390483][ T5321] Bluetooth: hci0: command tx timeout [ 143.146905][ T1330] ieee802154 phy0 wpan0: encryption failed: -22 [ 143.147083][ T1330] ieee802154 phy1 wpan1: encryption failed: -22 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-build969447403=/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 d1b870e1003 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=d1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/google/syzkaller/prog.gitRevisionDate=20251128-125159" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/google/syzkaller/prog.gitRevisionDate=20251128-125159" ./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=d1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/google/syzkaller/prog.gitRevisionDate=20251128-125159" -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=\"d1b870e1003b52891d2196c1e2ee42fe905010ba\" /usr/bin/ld: /tmp/ccGRvRr2.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