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) [ 87.806715][ T1023] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 87.806734][ T1023] ata1: failed to read log page 10h (errno=-5) [ 87.806749][ T1023] ata1.00: exception Emask 0x1 SAct 0x60 SErr 0x0 action 0x0 [ 87.806761][ T1023] ata1.00: irq_stat 0x41000000 [ 87.806771][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.806778][ T1023] ata1.00: cmd 61/00:28:36:a1:04/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou [ 87.806778][ T1023] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.806814][ T1023] ata1.00: status: { DRDY } [ 87.806824][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.806832][ T1023] ata1.00: cmd 61/00:30:36:c1:04/20:00:00:00:00/40 tag 6 ncq dma 4194304 ou [ 87.806832][ T1023] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.806866][ T1023] ata1.00: status: { DRDY } [ 87.809315][ T1023] ata1.00: configured for UDMA/100 [ 87.810711][ T1023] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 91.907087][ T1389] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:16296' (ED25519) to the list of known hosts. 2026/09/14 03:57:44 parsed 1 programs 2026/09/14 03:57:44 serving rpc on tcp://41647 [ 97.246691][ T5293] cgroup: Unknown subsys name 'net' [ 97.318856][ T5293] cgroup: Unknown subsys name 'cpuset' [ 97.321980][ T5293] cgroup: Unknown subsys name 'rlimit' [ 121.993643][ T1023] ata1.00: NCQ disabled due to excessive errors [ 121.993662][ T1023] ata1.00: exception Emask 0x0 SAct 0x200000 SErr 0x0 action 0x6 frozen [ 121.993679][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 121.993687][ T1023] ata1.00: cmd 61/00:a8:36:61:05/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 121.993687][ T1023] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 121.993719][ T1023] ata1.00: status: { DRDY } [ 121.993767][ T1023] ata1: hard resetting link [ 122.315471][ T1023] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 122.316839][ T1023] ata1.00: configured for UDMA/100 [ 122.317094][ T1023] ata1: EH complete Setting up swapspace version 1, size = 127995904 bytes [ 123.785813][ T5293] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 130.998424][ T5328] 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. [ 137.976855][ T1330] ieee802154 phy0 wpan0: encryption failed: -22 [ 137.976893][ T1330] ieee802154 phy1 wpan1: encryption failed: -22 [ 142.573647][ T5329] bridge0: port 1(bridge_slave_0) entered blocking state [ 142.576638][ T5329] bridge0: port 1(bridge_slave_0) entered disabled state [ 142.577012][ T5329] bridge_slave_0: entered allmulticast mode [ 142.581689][ T5329] bridge_slave_0: entered promiscuous mode [ 142.875349][ T5329] bridge0: port 2(bridge_slave_1) entered blocking state [ 142.875427][ T5329] bridge0: port 2(bridge_slave_1) entered disabled state [ 142.875533][ T5329] bridge_slave_1: entered allmulticast mode [ 142.878835][ T5329] bridge_slave_1: entered promiscuous mode [ 142.970079][ T5329] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 142.986959][ T5329] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 143.682726][ T5329] team0: Port device team_slave_0 added [ 143.708912][ T5329] team0: Port device team_slave_1 added [ 144.471736][ T5329] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 144.480496][ T5329] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 144.480523][ T5329] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active 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-build1611733132=/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 43bfcdb07c3 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=43bfcdb07c3552e4664e1029672054ac0924d543 -X github.com/google/syzkaller/prog.gitRevisionDate=20260619-141952" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=43bfcdb07c3552e4664e1029672054ac0924d543 -X github.com/google/syzkaller/prog.gitRevisionDate=20260619-141952" ./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=43bfcdb07c3552e4664e1029672054ac0924d543 -X github.com/google/syzkaller/prog.gitRevisionDate=20260619-141952" -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=\"43bfcdb07c3552e4664e1029672054ac0924d543\" /usr/bin/ld: /tmp/cczcO2sg.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