SYZFAIL: failed to recv rpc

SYZFAIL: failed to recv rpc


Warning: Permanently added '10.128.1.229' (ED25519) to the list of known hosts.
2026/01/14 06:44:00 parsed 1 programs
[   86.628715][ T5832] cgroup: Unknown subsys name 'net'
[   86.805779][ T5832] cgroup: Unknown subsys name 'cpuset'
[   86.815715][ T5832] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[   88.667079][ T5832] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k 
[   91.860657][ T5853] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   91.868929][ T5853] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   91.876705][ T5853] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[   91.884984][ T5853] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   91.892833][ T5853] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[   92.075554][  T981] cfg80211: failed to load regulatory.db
[   92.232527][ T5850] 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.
[   93.962827][ T1114] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   93.972551][ T1114] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   94.199374][ T1114] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   94.241831][ T1114] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   94.855315][ T5889] chnl_net:caif_netlink_parms(): no params data found
[   95.163180][ T5889] bridge0: port 1(bridge_slave_0) entered blocking state
[   95.175766][ T5889] bridge0: port 1(bridge_slave_0) entered disabled state
[   95.201992][ T5889] bridge_slave_0: entered allmulticast mode
[   95.224074][ T5889] bridge_slave_0: entered promiscuous mode
[   95.236416][ T5889] bridge0: port 2(bridge_slave_1) entered blocking state
[   95.245072][ T5889] bridge0: port 2(bridge_slave_1) entered disabled state
[   95.262920][ T5889] bridge_slave_1: entered allmulticast mode
[   95.271564][ T5889] bridge_slave_1: entered promiscuous mode
[   95.358225][ T5889] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   95.389110][ T5889] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   95.486269][ T5889] team0: Port device team_slave_0 added
[   95.495643][ T5889] team0: Port device team_slave_1 added
[   95.543848][ T5889] batman_adv: batadv0: Adding interface: batadv_slave_0
[   95.550997][ T5889] 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.
[   95.578112][ T5889] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   95.591232][ T5889] batman_adv: batadv0: Adding interface: batadv_slave_1
[   95.598391][ T5889] 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.
[   95.625154][ T5889] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   95.668247][ T5889] hsr_slave_0: entered promiscuous mode
[   95.674875][ T5889] hsr_slave_1: entered promiscuous mode
[   95.816341][ T5889] netdevsim netdevsim3 netdevsim0: renamed from eth0
[   95.830172][ T5889] netdevsim netdevsim3 netdevsim1: renamed from eth1
[   95.841998][ T5889] netdevsim netdevsim3 netdevsim2: renamed from eth2
[   95.853135][ T5889] netdevsim netdevsim3 netdevsim3: renamed from eth3
[   95.883128][ T5889] bridge0: port 2(bridge_slave_1) entered blocking state
[   95.891210][ T5889] bridge0: port 2(bridge_slave_1) entered forwarding state
[   95.899311][ T5889] bridge0: port 1(bridge_slave_0) entered blocking state
[   95.906449][ T5889] bridge0: port 1(bridge_slave_0) entered forwarding state
[   95.964074][ T5889] 8021q: adding VLAN 0 to HW filter on device bond0
[   95.979742][ T1114] bridge0: port 1(bridge_slave_0) entered disabled state
[   95.989649][ T1114] bridge0: port 2(bridge_slave_1) entered disabled state
[   96.008910][ T5889] 8021q: adding VLAN 0 to HW filter on device team0
[   96.022715][   T56] bridge0: port 1(bridge_slave_0) entered blocking state
[   96.029922][   T56] bridge0: port 1(bridge_slave_0) entered forwarding state
[   96.047590][ T1114] bridge0: port 2(bridge_slave_1) entered blocking state
[   96.054843][ T1114] bridge0: port 2(bridge_slave_1) entered forwarding state
[   96.254756][ T5889] 8021q: adding VLAN 0 to HW filter on device batadv0
[   96.295321][ T5889] veth0_vlan: entered promiscuous mode
[   96.306334][ T5889] veth1_vlan: entered promiscuous mode
[   96.339423][ T5889] veth0_macvtap: entered promiscuous mode
[   96.349254][ T5889] veth1_macvtap: entered promiscuous mode
[   96.369478][ T5889] batman_adv: batadv0: Interface activated: batadv_slave_0
[   96.385197][ T5889] batman_adv: batadv0: Interface activated: batadv_slave_1
[   96.400161][ T1114] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   96.409787][ T1114] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   96.421641][ T1114] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   96.432965][ T1114] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
2026/01/14 06:44:12 executed programs: 0
[   96.606111][ T5853] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   96.614875][ T5853] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   96.623984][ T5853] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[   96.635051][ T5853] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   96.651677][ T5853] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[   96.840668][ T5939] chnl_net:caif_netlink_parms(): no params data found
[   96.917551][ T5939] bridge0: port 1(bridge_slave_0) entered blocking state
[   96.925217][ T5939] bridge0: port 1(bridge_slave_0) entered disabled state
[   96.932933][ T5939] bridge_slave_0: entered allmulticast mode
[   96.940287][ T5939] bridge_slave_0: entered promiscuous mode
[   96.949368][ T5939] bridge0: port 2(bridge_slave_1) entered blocking state
[   96.957025][ T5939] bridge0: port 2(bridge_slave_1) entered disabled state
[   96.964491][ T5939] bridge_slave_1: entered allmulticast mode
[   96.971655][ T5939] bridge_slave_1: entered promiscuous mode
[   97.004881][ T5939] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   97.018036][ T5939] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   97.055520][ T5939] team0: Port device team_slave_0 added
[   97.064277][ T5939] team0: Port device team_slave_1 added
[   97.094778][ T5939] batman_adv: batadv0: Adding interface: batadv_slave_0
[   97.102430][ T5939] 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.
[   97.132161][ T5939] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   97.148233][ T5939] batman_adv: batadv0: Adding interface: batadv_slave_1
[   97.155335][ T5939] 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.
[   97.182427][ T5939] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   97.239657][ T5939] hsr_slave_0: entered promiscuous mode
[   97.246175][ T5939] hsr_slave_1: entered promiscuous mode
[   97.252585][ T5939] debugfs: 'hsr0' already exists in 'hsr'
[   97.258392][ T5939] Cannot create hsr debugfs directory
[   97.422241][ T5939] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   97.434241][ T5939] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   97.446368][ T5939] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   97.457683][ T5939] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   97.546055][ T5939] 8021q: adding VLAN 0 to HW filter on device bond0
[   97.568621][ T5939] 8021q: adding VLAN 0 to HW filter on device team0
[   97.580855][ T1025] bridge0: port 1(bridge_slave_0) entered blocking state
[   97.587999][ T1025] bridge0: port 1(bridge_slave_0) entered forwarding state
[   97.606486][ T1025] bridge0: port 2(bridge_slave_1) entered blocking state
[   97.613708][ T1025] bridge0: port 2(bridge_slave_1) entered forwarding state
[   97.795392][ T5939] 8021q: adding VLAN 0 to HW filter on device batadv0
[   97.840496][ T5939] veth0_vlan: entered promiscuous mode
[   97.855555][ T5939] veth1_vlan: entered promiscuous mode
[   97.886748][ T5939] veth0_macvtap: entered promiscuous mode
[   97.896604][ T5939] veth1_macvtap: entered promiscuous mode
[   97.918279][ T5939] batman_adv: batadv0: Interface activated: batadv_slave_0
[   97.934197][ T5939] batman_adv: batadv0: Interface activated: batadv_slave_1
[   97.949658][ T3433] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   97.959007][ T3433] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   97.973928][ T3433] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   97.984128][ T3433] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   98.047552][ T3433] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   98.057341][ T3433] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   98.096812][   T72] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   98.104794][   T72] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
SYZFAIL: failed to recv rpc
[   98.737383][ T3433] netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0


syzkaller build log:
go env (err=<nil>)
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-build1927235897=/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='go1.24.4'
GOWORK=''
PKG_CONFIG='pkg-config'

git status (err=<nil>)
HEAD detached at d6526ea3e6
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=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115"  ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115"  ./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=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115"  -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=\"d6526ea3e6ad9081c902859bbb80f9f840377cb4\"
/usr/bin/ld: /tmp/ccgfYyGx.o: in function `Connection::Connect(char const*, char const*)':
executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x104): 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