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) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) Warning: Permanently added '[localhost]:18294' (ED25519) to the list of known hosts. 2026/09/02 20:57:47 parsed 1 programs [ 120.979945][ T5295] cgroup: Unknown subsys name 'net' [ 121.030830][ T5295] cgroup: Unknown subsys name 'cpuset' [ 121.037455][ T5295] cgroup: Unknown subsys name 'rlimit' [ 137.908854][ T1334] ieee802154 phy0 wpan0: encryption failed: -22 [ 137.911794][ T1334] ieee802154 phy1 wpan1: encryption failed: -22 [ 145.606444][ T1024] ata1.00: NCQ disabled due to excessive errors [ 145.609298][ T1024] ata1.00: exception Emask 0x0 SAct 0x1200000 SErr 0x0 action 0x6 frozen [ 145.613443][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 145.616389][ T1024] ata1.00: cmd 61/00:a8:36:01:05/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 145.616389][ T1024] res 40/00:01:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 145.624027][ T1024] ata1.00: status: { DRDY } [ 145.626398][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 145.629403][ T1024] ata1.00: cmd 61/00:c0:36:61:05/20:00:00:00:00/40 tag 24 ncq dma 4194304 ou [ 145.629403][ T1024] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 145.636902][ T1024] ata1.00: status: { DRDY } [ 145.636974][ T1024] ata1: hard resetting link [ 145.956970][ T1024] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 145.960759][ T1024] ata1.00: configured for UDMA/100 [ 145.963463][ T1024] ata1: EH complete Setting up swapspace version 1, size = 127995904 bytes [ 147.408953][ T5295] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 154.370484][ 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. [ 155.075155][ T5334] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 155.082208][ T5334] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 155.085944][ T5334] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 155.091613][ T5334] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 155.095434][ T5334] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 166.609296][ T25] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 166.622070][ T25] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 167.274025][ T53] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 167.274071][ T53] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 171.382686][ T5376] bridge0: port 1(bridge_slave_0) entered blocking state [ 171.385840][ T5376] bridge0: port 1(bridge_slave_0) entered disabled state [ 171.398508][ T5376] bridge_slave_0: entered allmulticast mode [ 171.405671][ T5376] bridge_slave_0: entered promiscuous mode [ 171.419351][ T5376] bridge0: port 2(bridge_slave_1) entered blocking state [ 171.422595][ T5376] bridge0: port 2(bridge_slave_1) entered disabled state [ 171.428047][ T5376] bridge_slave_1: entered allmulticast mode [ 171.434995][ T5376] bridge_slave_1: entered promiscuous mode [ 172.089101][ T5376] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 172.109512][ T5376] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 172.238810][ T5376] team0: Port device team_slave_0 added [ 172.257025][ T5376] team0: Port device team_slave_1 added [ 172.645900][ T5376] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 172.651250][ T5376] 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. [ 172.651292][ T5376] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 172.681261][ T5376] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 172.681305][ T5376] batman_adv: batadv0: The MTU of interface batadv_slave_1 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. [ 172.681348][ T5376] batman_adv: batadv0: Not using interface batadv_slave_1 (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-build3515738478=/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 f79bac1103 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=f79bac11032a7f8d1665ea9b593cdc3329e64064 -X github.com/google/syzkaller/prog.gitRevisionDate=20260610-094555" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=f79bac11032a7f8d1665ea9b593cdc3329e64064 -X github.com/google/syzkaller/prog.gitRevisionDate=20260610-094555" ./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=f79bac11032a7f8d1665ea9b593cdc3329e64064 -X github.com/google/syzkaller/prog.gitRevisionDate=20260610-094555" -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=\"f79bac11032a7f8d1665ea9b593cdc3329e64064\" /usr/bin/ld: /tmp/ccynJGfT.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