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]:41819' (ED25519) to the list of known hosts. [ 96.986164][ T803] cfg80211: failed to load regulatory.db [ 152.678695][ T1027] ata1.00: exception Emask 0x0 SAct 0x800 SErr 0x0 action 0x6 frozen [ 152.682223][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 152.684904][ T1027] ata1.00: cmd 61/00:58:36:71:04/20:00:00:00:00/40 tag 11 ncq dma 4194304 ou [ 152.684904][ T1027] res 40/00:01:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 152.693072][ T1027] ata1.00: status: { DRDY } [ 152.695633][ T1027] ata1: hard resetting link [ 153.019908][ T1027] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 153.025531][ T1027] ata1.00: configured for UDMA/100 [ 153.028612][ T1027] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 213.478844][ T1027] ata1.00: exception Emask 0x0 SAct 0x40000000 SErr 0x0 action 0x6 frozen [ 213.482748][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 213.485521][ T1027] ata1.00: cmd 61/00:f0:36:71:05/20:00:00:00:00/40 tag 30 ncq dma 4194304 ou [ 213.485521][ T1027] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 213.493453][ T1027] ata1.00: status: { DRDY } [ 213.495571][ T1027] ata1: hard resetting link [ 213.819418][ T1027] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 213.823648][ T1027] ata1.00: configured for UDMA/100 [ 213.826345][ T1027] ata1: EH complete 2026/05/18 11:23:38 parsed 1 programs [ 218.786845][ T5323] cgroup: Unknown subsys name 'net' [ 218.844629][ T5323] cgroup: Unknown subsys name 'cpuset' [ 218.851563][ T5323] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 220.487050][ T5323] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xa8000) [ 225.414449][ T1027] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 225.426345][ T1027] ata1: failed to read log page 10h (errno=-5) [ 225.440661][ T1027] ata1.00: NCQ disabled due to excessive errors [ 225.451651][ T1027] ata1.00: exception Emask 0x1 SAct 0x40000000 SErr 0x0 action 0x0 [ 225.464853][ T1027] ata1.00: irq_stat 0x41000008 [ 225.471505][ T1027] ata1.00: failed command: READ FPDMA QUEUED [ 225.481667][ T1027] ata1.00: cmd 60/40:f0:b6:31:05/05:00:00:00:00/40 tag 30 ncq dma 688128 in [ 225.481667][ T1027] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 225.509093][ T1027] ata1.00: status: { DRDY } [ 225.518211][ T1027] ata1.00: error: { ABRT } [ 225.523240][ T1027] ata1.00: configured for UDMA/100 [ 225.532082][ T1027] sd 0:0:0:0: [sda] tag#30 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 225.544153][ T1027] sd 0:0:0:0: [sda] tag#30 Sense Key : Aborted Command [current] [ 225.555009][ T1027] sd 0:0:0:0: [sda] tag#30 Add. Sense: No additional sense information [ 225.566106][ T1027] sd 0:0:0:0: [sda] tag#30 CDB: Read(10) 28 00 00 05 31 b6 00 05 40 00 [ 225.577501][ T1027] I/O error, dev sda, sector 340406 op 0x0:(READ) flags 0x84700 phys_seg 168 prio class 2 [ 225.591762][ T1027] ata1: EH complete [ 227.037582][ T5339] 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. [ 227.115654][ T68] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 227.137090][ T68] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 227.272934][ T1057] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 227.304061][ T1057] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 230.449357][ T44] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 230.462968][ T44] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 230.469025][ T44] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 230.479050][ T44] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 230.484039][ T44] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 232.580608][ T4657] Bluetooth: hci0: command tx timeout [ 234.659061][ T4657] Bluetooth: hci0: command tx timeout [ 236.738556][ T4657] Bluetooth: hci0: command tx timeout [ 238.818559][ T4657] Bluetooth: hci0: command tx timeout [ 240.378325][ T5364] syz-executor (5364) used greatest stack depth: 17280 bytes left [ 246.359896][ T5386] syz-executor (5386) used greatest stack depth: 16920 bytes left [ 261.207216][ T5393] bridge0: port 1(bridge_slave_0) entered blocking state [ 261.218699][ T5393] bridge0: port 1(bridge_slave_0) entered disabled state [ 261.231062][ T5393] bridge_slave_0: entered allmulticast mode [ 261.244439][ T5393] bridge_slave_0: entered promiscuous mode [ 261.265565][ T5393] bridge0: port 2(bridge_slave_1) entered blocking state [ 261.279376][ T5393] bridge0: port 2(bridge_slave_1) entered disabled state [ 261.292263][ T5393] bridge_slave_1: entered allmulticast mode [ 261.310098][ T5393] 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-build779981420=/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 d1b870e1003b 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/ccdEPYws.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