lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x399000) [ 95.313922][ T1012] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 95.317477][ T1012] ata1: failed to read log page 10h (errno=-5) [ 95.320480][ T1012] ata1.00: exception Emask 0x1 SAct 0x3000000 SErr 0x0 action 0x0 [ 95.340796][ T1012] ata1.00: irq_stat 0x41000000 [ 95.350145][ T1012] ata1.00: failed command: WRITE FPDMA QUEUED [ 95.353408][ T1012] ata1.00: cmd 61/c8:c0:6e:64:04/1c:00:00:00:00/40 tag 24 ncq dma 3772416 ou [ 95.353408][ T1012] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 95.361598][ T1012] ata1.00: status: { DRDY } [ 95.377162][ T1012] ata1.00: failed command: WRITE FPDMA QUEUED [ 95.380610][ T1012] ata1.00: cmd 61/b0:c8:36:81:04/17:00:00:00:00/40 tag 25 ncq dma 3104768 ou [ 95.380610][ T1012] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 95.411469][ T1012] ata1.00: status: { DRDY } [ 95.415247][ T1012] ata1.00: configured for UDMA/100 [ 95.422937][ T1012] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x1e3000) [ 97.342677][ T10] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:42226' (ED25519) to the list of known hosts. 2026/03/24 09:51:44 parsed 1 programs [ 105.925046][ T5313] cgroup: Unknown subsys name 'net' [ 105.979395][ T5313] cgroup: Unknown subsys name 'cpuset' [ 105.986873][ T5313] cgroup: Unknown subsys name 'rlimit' [ 143.405223][ T1315] ieee802154 phy0 wpan0: encryption failed: -22 [ 143.408482][ T1315] ieee802154 phy1 wpan1: encryption failed: -22 [ 161.342119][ T1012] ata1.00: NCQ disabled due to excessive errors [ 161.345164][ T1012] ata1.00: exception Emask 0x0 SAct 0x40000000 SErr 0x0 action 0x6 frozen [ 161.349070][ T1012] ata1.00: failed command: WRITE FPDMA QUEUED [ 161.353580][ T1012] ata1.00: cmd 61/18:f0:36:09:05/0f:00:00:00:00/40 tag 30 ncq dma 1978368 ou [ 161.353580][ T1012] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 161.362276][ T1012] ata1.00: status: { DRDY } [ 161.364759][ T1012] ata1: hard resetting link [ 161.685475][ T1012] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 161.690301][ T1012] ata1.00: configured for UDMA/100 [ 161.694185][ T1012] ata1: EH complete [ 163.641078][ T5313] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 169.571317][ T5348] 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. [ 176.593347][ T5384] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 176.612566][ T5384] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 176.617045][ T5384] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 176.621035][ T5384] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 176.625257][ T5384] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 179.156751][ T67] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 179.160579][ T67] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 181.148680][ T30] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 181.152634][ T30] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 181.702087][ T5375] chnl_net:caif_netlink_parms(): no params data found [ 182.562399][ T5375] bridge0: port 1(bridge_slave_0) entered blocking state [ 182.592084][ T5375] bridge0: port 1(bridge_slave_0) entered disabled state [ 182.596659][ T5375] bridge_slave_0: entered allmulticast mode [ 182.622061][ T5375] bridge_slave_0: entered promiscuous mode [ 182.645524][ T5375] bridge0: port 2(bridge_slave_1) entered blocking state [ 182.656038][ T5375] bridge0: port 2(bridge_slave_1) entered disabled state [ 182.659711][ T5375] bridge_slave_1: entered allmulticast mode [ 182.682115][ T5375] bridge_slave_1: entered promiscuous mode [ 183.059299][ T5375] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 183.093546][ T5375] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 183.239471][ T5375] team0: Port device team_slave_0 added [ 183.261207][ T5375] team0: Port device team_slave_1 added [ 183.329588][ T5375] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 183.342563][ T5375] 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. [ 183.373012][ T5375] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 183.392040][ T5375] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 183.416325][ T5375] 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. [ 183.449808][ T5375] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 183.559487][ T5375] hsr_slave_0: entered promiscuous mode [ 183.573088][ T5375] hsr_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-build3159640836=/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 6e87cfa299c9 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=6e87cfa299c98d36e79e8b8718a4126899a3ba2f -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250120-133027'" "-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 -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"6e87cfa299c98d36e79e8b8718a4126899a3ba2f\" /usr/bin/ld: /tmp/ccnwswet.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