SYZFAIL: failed to recv rpc SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) execution of simple program fails: NOTFAIL: arptable checkpoint: getsockopt(ARPT_SO_GET_ENTRIES) failed. table=filter (errno 22: Invalid argument). qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x2ac000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x2ac000) [ 48.336638][ T1132] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 48.336659][ T1132] ata1: failed to read log page 10h (errno=-5) [ 48.336675][ T1132] ata1.00: exception Emask 0x1 SAct 0x3000000 SErr 0x0 action 0x0 [ 48.336693][ T1132] ata1.00: irq_stat 0x40000000 [ 48.336709][ T1132] ata1.00: failed command: WRITE FPDMA QUEUED [ 48.336721][ T1132] ata1.00: cmd 61/60:c0:36:c1:04/15:00:00:00:00/40 tag 24 ncq dma 2801664 ou [ 48.336721][ T1132] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 48.336772][ T1132] ata1.00: status: { DRDY } [ 48.336788][ T1132] ata1.00: failed command: WRITE FPDMA QUEUED [ 48.336798][ T1132] ata1.00: cmd 61/00:c8:96:d6:04/20:00:00:00:00/40 tag 25 ncq dma 4194304 ou [ 48.336798][ T1132] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 48.336842][ T1132] ata1.00: status: { DRDY } [ 48.337808][ T1132] ata1.00: configured for UDMA/100 [ 48.338257][ T1132] ata1: EH complete [ 76.318449][ T1358] cfg80211: failed to load regulatory.db [ 78.915648][ T1132] ata1.00: NCQ disabled due to excessive errors [ 78.915664][ T1132] ata1.00: exception Emask 0x0 SAct 0x800 SErr 0x0 action 0x6 frozen [ 78.915679][ T1132] ata1.00: failed command: WRITE FPDMA QUEUED [ 78.915686][ T1132] ata1.00: cmd 61/60:58:36:c1:04/15:00:00:00:00/40 tag 11 ncq dma 2801664 ou [ 78.915686][ T1132] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 78.915718][ T1132] ata1.00: status: { DRDY } [ 78.915755][ T1132] ata1: hard resetting link [ 79.239405][ T1132] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 79.240314][ T1132] ata1.00: configured for UDMA/100 [ 79.240493][ T1132] ata1: EH complete [ 79.395871][ T1132] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 [ 79.395898][ T1132] ata1.00: irq_stat 0x40000000 [ 79.395914][ T1132] ata1.00: failed command: WRITE DMA EXT [ 79.395925][ T1132] ata1.00: cmd 35/00:00:36:41:05/00:20:00:00:00/e0 tag 8 dma 4194304 out [ 79.395925][ T1132] res 41/04:00:36:41:05/00:20:00:00:00/e0 Emask 0x1 (device error) [ 79.395977][ T1132] ata1.00: status: { DRDY ERR } [ 79.395990][ T1132] ata1.00: error: { ABRT } [ 79.397090][ T1132] ata1.00: configured for UDMA/100 [ 79.397212][ T1132] ata1: EH complete Warning: Permanently added '[localhost]:22589' (ED25519) to the list of known hosts. 2026/11/07 13:16:25 parsed 1 programs 2026/11/07 13:16:25 serving rpc on tcp://41241 [ 83.484228][ T5807] cgroup: Unknown subsys name 'net' [ 83.569607][ T5807] cgroup: Unknown subsys name 'cpuset' [ 83.574710][ T5807] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 84.631610][ T5807] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 86.442053][ T5813] 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. [ 86.446769][ T5813] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 86.459750][ T5813] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 86.618873][ T66] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 86.619875][ T66] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 86.620486][ T66] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 86.621138][ T66] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 86.621460][ T66] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 87.074370][ T5824] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.074884][ T5824] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.074987][ T5824] bridge_slave_0: entered allmulticast mode [ 87.084773][ T5824] bridge_slave_0: entered promiscuous mode [ 87.087510][ T5824] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.087551][ T5824] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.087608][ T5824] bridge_slave_1: entered allmulticast mode [ 87.088716][ T5824] bridge_slave_1: entered promiscuous mode [ 87.111253][ T5824] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 87.112790][ T5824] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 87.125034][ T5824] team0: Port device team_slave_0 added [ 87.128830][ T5824] team0: Port device team_slave_1 added [ 87.139977][ T5824] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 87.139987][ T5824] 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. [ 87.140001][ T5824] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 87.141548][ T5824] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 87.141560][ T5824] 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. [ 87.141580][ T5824] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 87.164719][ T5824] hsr_slave_0: entered promiscuous mode [ 87.165292][ T5824] hsr_slave_1: entered promiscuous mode [ 87.261661][ T5824] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 87.265162][ T5824] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 87.266459][ T5824] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 87.269902][ T5824] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 87.270346][ T5824] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 87.273734][ T5824] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 87.274192][ T5824] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 87.277823][ T5824] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 87.291138][ T5824] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.291192][ T5824] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.291465][ T5824] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.291511][ T5824] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.323589][ T5824] 8021q: adding VLAN 0 to HW filter on device bond0 [ 87.330869][ T1166] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.332607][ T1166] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.345247][ T5824] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.352277][ T1166] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.352331][ T1166] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.355329][ T1166] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.355372][ T1166] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.580539][ T5824] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 87.628958][ T5824] veth0_vlan: entered promiscuous mode [ 87.633543][ T5824] veth1_vlan: entered promiscuous mode [ 87.647866][ T5824] veth0_macvtap: entered promiscuous mode [ 87.650529][ T5824] veth1_macvtap: entered promiscuous mode [ 87.663264][ T5824] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 87.668737][ T5824] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 87.697937][ T5816] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.698269][ T5816] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.698497][ T5816] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.698527][ T5816] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.749547][ T13] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 87.800221][ T13] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 87.959902][ T1166] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 87.959924][ T1166] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 87.979285][ T76] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 87.979298][ T76] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 88.442958][ T5882] br_netfilter no longer supported in user namespaces [ 88.541493][ T5882] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 88.541912][ T5882] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 89.739876][ T13] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) execution of simple program fails: NOTFAIL: arptable checkpoint: getsockopt(ARPT_SO_GET_ENTRIES) failed. table=filter (errno 22: Invalid argument). [ 91.178041][ T13] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 91.289360][ T13] bridge_slave_1: left allmulticast mode [ 91.289395][ T13] bridge_slave_1: left promiscuous mode [ 91.290615][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.294844][ T13] bridge_slave_0: left allmulticast mode [ 91.294864][ T13] bridge_slave_0: left promiscuous mode [ 91.295018][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.394645][ T13] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 91.398972][ T13] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 91.400040][ T13] bond0 (unregistering): Released all slaves [ 91.470551][ T13] hsr_slave_0: left promiscuous mode [ 91.470976][ T13] hsr_slave_1: left promiscuous mode [ 91.471384][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 91.471399][ T13] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 91.472010][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 91.472020][ T13] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 91.477144][ T13] veth1_macvtap: left promiscuous mode [ 91.477198][ T13] veth0_macvtap: left promiscuous mode [ 91.477262][ T13] veth1_vlan: left promiscuous mode [ 91.477311][ T13] veth0_vlan: left promiscuous mode [ 91.628229][ T13] team0 (unregistering): Port device team_slave_1 removed [ 91.644573][ T13] team0 (unregistering): Port device team_slave_0 removed [ 91.745657][ T5501] 8021q: adding VLAN 0 to HW filter on device eth2 [ 91.943733][ T5501] 8021q: adding VLAN 0 to HW filter on device eth4 [ 92.093602][ T5501] 8021q: adding VLAN 0 to HW filter on device eth3 [ 92.558938][ T5501] 8021q: adding VLAN 0 to HW filter on device eth5 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-build4150355733=/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 1e72964b01 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=1e72964b0111319984575e60f266d1fa0a98abb5 -X github.com/google/syzkaller/prog.gitRevisionDate=20260817-123423" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=1e72964b0111319984575e60f266d1fa0a98abb5 -X github.com/google/syzkaller/prog.gitRevisionDate=20260817-123423" ./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=1e72964b0111319984575e60f266d1fa0a98abb5 -X github.com/google/syzkaller/prog.gitRevisionDate=20260817-123423" -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_386 x86_64-linux-gnu-g++ -o ./bin/linux_386/syz-executor executor/executor.cc \ -m32 -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_386=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"1e72964b0111319984575e60f266d1fa0a98abb5\" /usr/bin/ld: /tmp/ccirjnef.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x145): 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 [INFO] Unsupported architecture '386', skipping check.