lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xd7000) [ 87.806120][ T1025] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 87.806177][ T1025] ata1: failed to read log page 10h (errno=-5) [ 87.806273][ T1025] ata1.00: exception Emask 0x1 SAct 0x40000001 SErr 0x0 action 0x0 [ 87.806307][ T1025] ata1.00: irq_stat 0x41000000 [ 87.806338][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.806446][ T1025] ata1.00: cmd 61/d8:00:8e:74:04/02:00:00:00:00/40 tag 0 ncq dma 372736 out [ 87.806446][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.806501][ T1025] ata1.00: status: { DRDY } [ 87.806535][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.806562][ T1025] ata1.00: cmd 61/b8:f0:d6:6d:04/06:00:00:00:00/40 tag 30 ncq dma 880640 out [ 87.806562][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.806615][ T1025] ata1.00: status: { DRDY } [ 87.846077][ T1025] ata1.00: configured for UDMA/100 [ 87.850940][ T1025] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 89.569571][ T1025] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 89.569622][ T1025] ata1: failed to read log page 10h (errno=-5) [ 89.569719][ T1025] ata1.00: NCQ disabled due to excessive errors [ 89.569745][ T1025] ata1.00: exception Emask 0x1 SAct 0x18000000 SErr 0x0 action 0x0 [ 89.569776][ T1025] ata1.00: irq_stat 0x41000000 [ 89.569808][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 89.569834][ T1025] ata1.00: cmd 61/00:d8:7e:4b:05/20:00:00:00:00/40 tag 27 ncq dma 4194304 ou [ 89.569834][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 89.569884][ T1025] ata1.00: status: { DRDY } [ 89.569916][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 89.569942][ T1025] ata1.00: cmd 61/b8:e0:7e:6b:05/15:00:00:00:00/40 tag 28 ncq dma 2846720 ou [ 89.569942][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 89.569990][ T1025] ata1.00: status: { DRDY } [ 89.613190][ T1025] ata1.00: configured for UDMA/100 [ 89.616503][ T1025] ata1: EH complete [ 91.885997][ T9] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:51188' (ED25519) to the list of known hosts. 2026/09/01 16:34:24 parsed 1 programs [ 98.302188][ T5291] cgroup: Unknown subsys name 'net' [ 98.378897][ T5291] cgroup: Unknown subsys name 'cpuset' [ 98.386743][ T5291] cgroup: Unknown subsys name 'rlimit' [ 99.942135][ T5291] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 105.339072][ T5311] 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. [ 105.679692][ T5321] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 105.689916][ T5321] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 105.693981][ T5321] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 105.699855][ T5321] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 105.704807][ T5321] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 107.794362][ T4647] Bluetooth: hci0: command tx timeout [ 107.959158][ T43] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.966968][ T43] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 108.482157][ T1055] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.482209][ T1055] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 109.873731][ T4647] Bluetooth: hci0: command tx timeout [ 115.612881][ T5315] bridge0: port 1(bridge_slave_0) entered blocking state [ 115.616502][ T5315] bridge0: port 1(bridge_slave_0) entered disabled state [ 115.624458][ T5315] bridge_slave_0: entered allmulticast mode [ 115.647782][ T5315] bridge_slave_0: entered promiscuous mode [ 115.953102][ T5315] bridge0: port 2(bridge_slave_1) entered blocking state [ 115.953209][ T5315] bridge0: port 2(bridge_slave_1) entered disabled state [ 115.953356][ T5315] bridge_slave_1: entered allmulticast mode [ 115.982618][ T5315] bridge_slave_1: entered promiscuous mode [ 116.725102][ T5315] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 116.872779][ T5315] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 117.265962][ T5315] team0: Port device team_slave_0 added [ 117.326796][ T5315] team0: Port device team_slave_1 added [ 117.479743][ T5315] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 117.484860][ T5315] 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. [ 117.498864][ T5315] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 117.530138][ T5315] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 117.530186][ T5315] 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. [ 117.530234][ T5315] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 117.817823][ T5315] hsr_slave_0: entered promiscuous mode [ 117.838681][ T5315] hsr_slave_1: entered promiscuous mode 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-build2772576088=/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 7d3b55db77 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}}' ./sys/syz-sysgen | grep -q false || go install ./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 go fmt ./sys/... >/dev/null touch .descriptions GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=7d3b55db770e482b0982dd02809974887cea30e1 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20241213-103606'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -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 -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"7d3b55db770e482b0982dd02809974887cea30e1\" /usr/bin/ld: /tmp/ccX8n90y.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