syzkaller login: [ 125.589356][ T2031] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 125.609371][ T2031] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 125.627728][ T2031] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:25688' (ECDSA) to the list of known hosts. 1970/01/01 00:02:21 fuzzer started 1970/01/01 00:02:26 connecting to host at localhost:41307 1970/01/01 00:02:26 checking machine... 1970/01/01 00:02:26 checking revisions... executing program 1970/01/01 00:02:29 testing simple program... [ 150.823191][ T2191] cgroup: Unknown subsys name 'net' [ 151.303787][ T2191] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 158.933737][ T2194] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 158.975019][ T2194] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link executing program [ 162.285322][ T2194] device hsr_slave_0 entered promiscuous mode [ 162.363478][ T2194] device hsr_slave_1 entered promiscuous mode executing program [ 164.601666][ T2194] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 164.686690][ T2194] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 164.819247][ T2194] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 164.924293][ T2194] netdevsim netdevsim0 netdevsim3: renamed from eth3 executing program [ 167.460671][ T2194] 8021q: adding VLAN 0 to HW filter on device bond0 [ 167.565392][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 167.595491][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready executing program [ 168.964158][ T884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 168.982975][ T884] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 169.049328][ T2192] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 169.062884][ T2192] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 169.138768][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 169.202392][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 169.392966][ T884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 169.405200][ T884] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 169.502160][ T884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 169.524323][ T884] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 169.611573][ T2194] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 169.912887][ T2192] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 169.915556][ T2192] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready executing program executing program [ 174.563244][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 174.572533][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 176.409929][ T884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 176.431298][ T884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 176.450174][ T884] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 176.459927][ T884] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 176.499998][ T2194] device veth0_vlan entered promiscuous mode [ 176.600824][ T2194] device veth1_vlan entered promiscuous mode [ 176.971012][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 176.988417][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 177.030704][ T2194] device veth0_macvtap entered promiscuous mode [ 177.097982][ T2194] device veth1_macvtap entered promiscuous mode [ 177.301093][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 177.321204][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 177.335518][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 177.347685][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready executing program [ 177.499874][ T2192] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 177.525000][ T2192] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 177.613238][ T2194] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 177.614284][ T2194] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 177.614669][ T2194] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 177.615088][ T2194] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 180.141223][ T903] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program 1970/01/01 00:02:59 BUG: program execution failed: executor 0: exit status 67 SYZFAIL: control pipe write failed (errno 9: Bad file descriptor) loop exited with status 67 SYZFAIL: control pipe write failed (errno 9: Bad file descriptor) loop exited with status 67 [ 180.581938][ T903] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 180.948987][ T903] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 181.353775][ T903] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 184.695320][ T903] device hsr_slave_0 left promiscuous mode [ 184.751603][ T903] device hsr_slave_1 left promiscuous mode [ 184.943193][ T903] device veth1_macvtap left promiscuous mode [ 184.947083][ T903] device veth0_macvtap left promiscuous mode [ 184.968675][ T903] device veth1_vlan left promiscuous mode [ 184.971681][ T903] device veth0_vlan left promiscuous mode [ 188.392424][ T903] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 188.570815][ T903] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 189.410766][ T903] bond0 (unregistering): Released all slaves VM DIAGNOSIS: 01:02:37 Registers: info registers vcpu 0 PC=ffff80000b34ebd8 X00=ffff80000b34ebd0 X01=0000000000000000 X02=0000000000000000 X03=1fffe0000d544199 X04=0000000000232c7d X05=0000000000000000 X06=00000000f3f3f3f3 X07=ffff80000f1dff00 X08=ffff00000e2fbf98 X09=0000000000000000 X10=ffff00000e2fbf5c X11=0000000000000007 X12=1fffe00001c5f7eb X13=000000000000008d X14=1ffff000021cef36 X15=1fffe0000d544188 X16=ffff80000877c2ec X17=ffff80000a643260 X18=ffff00006aa20c3c X19=ffff80000deb24f0 X20=0000000000000000 X21=0000000000000003 X22=0000000000000028 X23=ffff80000deb2580 X24=dfff800000000000 X25=ffff80000deb24c0 X26=0000000000000004 X27=ffff80000deb24f0 X28=ffff00000b939000 X29=ffff800010e77a40 X30=ffff800008365828 SP=ffff800010e77a40 PSTATE=800000c5 N--- EL1h FPCR=00000000 FPSR=00000000 Q00=2525252525252525:2525252525252525 Q01=25207334362e2520:732500676f6c2f76 Q02=6f736e6f632f7665:642f000a73252073 Q03=0000000000000000:0000ff0000000000 Q04=0000000000000000:0000ff0000000000 Q05=4000000000000400:0010040000000000 Q06=0000000000000000:0000040000100000 Q07=4010040140100401:4010040140100401 Q08=0000000000000000:0000000000000000 Q09=0000000000000000:0000000000000000 Q10=0000000000000000:0000000000000000 Q11=0000000000000000:0000000000000000 Q12=0000000000000000:0000000000000000 Q13=0000000000000000:0000000000000000 Q14=0000000000000000:0000000000000000 Q15=0000000000000000:0000000000000000 Q16=0000041040041400:0000041040041400 Q17=a00a8000a00a800a:aa80aa8a00000010 Q18=8020080280000000:8020080280000802 Q19=0000000000000000:0000000000000000 Q20=0000000000000000:0000000000000000 Q21=0000000000000000:0000000000000000 Q22=0000000000000000:0000000000000000 Q23=0000000000000000:0000000000000000 Q24=0000000000000000:0000000000000000 Q25=0000000000000000:0000000000000000 Q26=0000000000000000:0000000000000000 Q27=0000000000000000:0000000000000000 Q28=0000000000000000:0000000000000000 Q29=0000000000000000:0000000000000000 Q30=0000000000000000:0000000000000000 Q31=0000000000000000:0000000000000000 info registers vcpu 1 PC=ffff8000083345a0 X00=ffff00006aa51758 X01=ffff80000ca421c0 X02=0000000000000003 X03=1fffe0000230ea09 X04=1fffe0000d547a01 X05=0000000000000000 X06=ffff8000081fa034 X07=ffff000011875040 X08=ffff700002104f58 X09=00000000f3f3f3f3 X10=ffff000011875a1c X11=0000000000000004 X12=1fffe0000230eb43 X13=0000000000000020 X14=1ffff00002104f3a X15=00004c4b40000000 X16=ffff800010828000 X17=ffff80005cdff000 X18=ffff00006aa20c3c X19=ffff00006aa50d40 X20=ffff8000081fa034 X21=0000000000000000 X22=ffff80000dc6f180 X23=0000000000000003 X24=dfff800000000000 X25=0000000000000003 X26=ffff80000c7bfe00 X27=ffff000011875040 X28=ffff000011875a88 X29=ffff800010827b20 X30=ffff8000081fa04c SP=ffff800010827b30 PSTATE=800000c5 N--- EL1h FPCR=00000000 FPSR=00000000 Q00=0000000000000000:0000000000000000 Q01=28200a64656c6961:6620657469727720 Q02=6c69662064614220:3a39206f6e727265 Q03=6f6c0a29726f7470:6972637365642065 Q04=a971f253e0ee8177:55dd6ab4d98bff86 Q05=555ff41fa046b963:c086fe511f31b2bf Q06=3c9d900a1af4b0aa:fff3d688c643c386 Q07=c0e98079c1b29538:c1bd050aae28807b Q08=0000000000000000:0000000000000000 Q09=0000000000000000:0000000000000000 Q10=0000000000000000:0000000000000000 Q11=0000000000000000:0000000000000000 Q12=0000000000000000:0000000000000000 Q13=0000000000000000:0000000000000000 Q14=0000000000000000:0000000000000000 Q15=0000000000000000:0000000000000000 Q16=acf0ac18d13afbe7:87264320fc7eb254 Q17=56df421a5cfcbff3:8a1e1e17ca1c7032 Q18=0cafdd32a6509e7c:53f6afc6410e2277 Q19=bcfe7b9e1c0ad491:93254d8f4e0b0b9e Q20=696620646142203a:39206f6e72726528 Q21=6c0a29726f747069:726373656420656c Q22=2068746977206465:7469786520706f6f Q23=41465a59530a0a37:3620737574617473 Q24=6b20657479622d32:3320646e61707865 Q25=80d5558ec39ab3c8:ad0200e9f1da1215 Q26=35c1e92a4030f778:a276e367b96deb7e Q27=1d00000000000000:0000000000000006 Q28=1d00000000000000:0000000000000007 Q29=1d00000000000000:0000000000000008 Q30=0000000000000000:0000000000000000 Q31=0000000000000000:0000000000000004