[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.234' (ECDSA) to the list of known hosts. syzkaller login: [ 316.600859][ T6806] IPVS: ftp: loaded support on port[0] = 21 [ 316.672407][ T6806] chnl_net:caif_netlink_parms(): no params data found [ 316.719812][ T6806] bridge0: port 1(bridge_slave_0) entered blocking state [ 316.729020][ T6806] bridge0: port 1(bridge_slave_0) entered disabled state [ 316.738160][ T6806] device bridge_slave_0 entered promiscuous mode [ 316.747133][ T6806] bridge0: port 2(bridge_slave_1) entered blocking state [ 316.754229][ T6806] bridge0: port 2(bridge_slave_1) entered disabled state [ 316.763877][ T6806] device bridge_slave_1 entered promiscuous mode [ 316.781721][ T6806] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 316.792580][ T6806] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 316.813219][ T6806] team0: Port device team_slave_0 added [ 316.821611][ T6806] team0: Port device team_slave_1 added [ 316.838803][ T6806] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 316.846133][ T6806] 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 1560 would solve the problem. [ 316.874199][ T6806] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 316.887388][ T6806] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 316.894504][ T6806] 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 1560 would solve the problem. [ 316.921859][ T6806] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 316.977631][ T6806] device hsr_slave_0 entered promiscuous mode [ 317.015319][ T6806] device hsr_slave_1 entered promiscuous mode [ 317.131340][ T6806] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 317.178069][ T6806] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 317.218530][ T6806] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 317.276854][ T6806] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 317.328679][ T6806] bridge0: port 2(bridge_slave_1) entered blocking state [ 317.335894][ T6806] bridge0: port 2(bridge_slave_1) entered forwarding state [ 317.343947][ T6806] bridge0: port 1(bridge_slave_0) entered blocking state [ 317.351109][ T6806] bridge0: port 1(bridge_slave_0) entered forwarding state [ 317.388972][ T6806] 8021q: adding VLAN 0 to HW filter on device bond0 [ 317.401269][ T2564] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 317.411681][ T2564] bridge0: port 1(bridge_slave_0) entered disabled state [ 317.420753][ T2564] bridge0: port 2(bridge_slave_1) entered disabled state [ 317.429251][ T2564] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 317.441893][ T6806] 8021q: adding VLAN 0 to HW filter on device team0 [ 317.454227][ T6867] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 317.463160][ T6867] bridge0: port 1(bridge_slave_0) entered blocking state [ 317.470405][ T6867] bridge0: port 1(bridge_slave_0) entered forwarding state [ 317.487550][ T2564] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 317.497303][ T2564] bridge0: port 2(bridge_slave_1) entered blocking state [ 317.504525][ T2564] bridge0: port 2(bridge_slave_1) entered forwarding state [ 317.523676][ T6806] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 317.534667][ T6806] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 317.549488][ T6935] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 317.559745][ T6935] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 317.568825][ T6935] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 317.580357][ T6935] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 317.590110][ T6935] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 317.599333][ T6935] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 317.619372][ T6806] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 317.627153][ T6867] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 317.636186][ T6867] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 317.655744][ T7015] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 317.673004][ T6806] device veth0_vlan entered promiscuous mode [ 317.680222][ T3782] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 317.691026][ T3782] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 317.699948][ T3782] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 317.708422][ T3782] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 317.721308][ T6806] device veth1_vlan entered promiscuous mode [ 317.738950][ T6935] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 317.747433][ T6935] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 317.757065][ T6935] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 317.767306][ T6935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 317.778701][ T6806] device veth0_macvtap entered promiscuous mode [ 317.789379][ T6806] device veth1_macvtap entered promiscuous mode [ 317.804298][ T6806] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 317.812391][ T6935] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 317.821423][ T6935] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 317.830234][ T6935] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 317.839703][ T6935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 317.852247][ T6806] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 317.860336][ T3782] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 317.869864][ T3782] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 318.025856][ T6806] batman_adv: batadv0: Adding interface: vlan0 [ 318.032047][ T6806] batman_adv: batadv0: The MTU of interface vlan0 is too small (6) 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 1560 would solve the problem. [ 318.095257][ T6806] batman_adv: batadv0: Interface activated: vlan0 [ 318.103778][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 318.117017][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 318.129635][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 318.155134][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 318.167401][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 318.179939][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 318.192377][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 318.207523][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 318.219832][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 318.232795][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 323.104562][ T6806] net_ratelimit: 5229 callbacks suppressed [ 323.104568][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 323.122453][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 323.133726][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 323.145316][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 323.156687][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 323.167911][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 323.179355][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 323.190657][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 323.202238][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 323.214088][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 328.115133][ T6806] net_ratelimit: 5267 callbacks suppressed [ 328.115141][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 328.133813][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 328.145358][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 328.156782][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 328.168192][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 328.179716][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 328.191076][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 328.202622][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 328.213920][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 328.225683][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 333.123968][ T6806] net_ratelimit: 5262 callbacks suppressed [ 333.123974][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 333.141442][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 333.153184][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 333.164642][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 333.176142][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 333.187369][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 333.198794][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 333.210095][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 333.221334][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 333.233074][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 338.133911][ T6806] net_ratelimit: 5258 callbacks suppressed [ 338.133919][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 338.151502][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 338.162843][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 338.174664][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 338.186025][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 338.197331][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 338.208901][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 338.220259][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 338.231845][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 338.243507][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 343.143752][ T6806] net_ratelimit: 5261 callbacks suppressed [ 343.143758][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 343.161106][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 343.172465][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 343.183945][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 343.195412][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 343.206802][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 343.218090][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 343.229335][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 343.240868][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 343.252163][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 348.152682][ T6806] net_ratelimit: 5264 callbacks suppressed [ 348.152688][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 348.169873][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 348.181177][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 348.192703][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 348.204407][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 348.216088][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 348.227611][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 348.238979][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 348.250520][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 348.266426][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 353.162391][ T6806] net_ratelimit: 5268 callbacks suppressed [ 353.162398][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 353.181195][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 353.192493][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 353.204272][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 353.215540][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 353.226951][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 353.238521][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 353.249828][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 353.261079][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 353.272586][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 358.172201][ T6806] net_ratelimit: 5266 callbacks suppressed [ 358.172207][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 358.190151][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 358.201450][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 358.212869][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 358.224260][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 358.235546][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 358.246808][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 358.258121][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 358.269346][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 358.280693][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 363.182331][ T6806] net_ratelimit: 5261 callbacks suppressed [ 363.182337][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 363.199382][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 363.211222][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 363.222742][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 363.234498][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 363.245806][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 363.257328][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 363.268961][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 363.280477][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 363.292121][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 368.191810][ T6806] net_ratelimit: 5264 callbacks suppressed [ 368.191816][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 368.209209][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 368.220491][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 368.232290][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 368.243775][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 368.255089][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 368.266360][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 368.277903][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 368.289156][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 368.300622][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 373.201753][ T6806] net_ratelimit: 5260 callbacks suppressed [ 373.201759][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 373.219363][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 373.230733][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 373.242451][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 373.253784][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 373.264998][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 373.277697][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 373.288989][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 373.300442][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 373.313021][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 378.211031][ T6806] net_ratelimit: 5259 callbacks suppressed [ 378.211038][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 378.229116][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 378.240474][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 378.252470][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 378.263718][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 378.275310][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 378.286559][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 378.297925][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 378.309155][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 378.321054][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 383.221382][ T6806] net_ratelimit: 5191 callbacks suppressed [ 383.221388][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 383.241158][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 383.253282][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 383.265909][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 383.277581][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 383.289806][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 383.303021][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 383.315562][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 383.327812][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 383.340142][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 388.230132][ T6806] net_ratelimit: 5183 callbacks suppressed [ 388.230138][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 388.254830][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 388.270013][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 388.284608][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 388.300255][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 388.314491][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 388.327517][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 388.339417][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 388.352336][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 388.364272][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 393.240024][ T6806] net_ratelimit: 5181 callbacks suppressed [ 393.240030][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 393.259179][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 393.271337][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 393.282963][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 393.295292][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 393.307447][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 393.322556][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 393.336491][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 393.355294][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 393.373339][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 398.250074][ T6806] net_ratelimit: 5141 callbacks suppressed [ 398.250081][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 398.272494][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 398.284828][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 398.298088][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 398.309521][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 398.321512][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 398.334772][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 398.346313][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 398.361288][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 398.372596][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 403.259320][ T6806] net_ratelimit: 5186 callbacks suppressed [ 403.259326][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 403.277101][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 403.288747][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 403.300891][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 403.313215][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 403.324867][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 403.336568][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 403.348105][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 403.360259][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 403.371675][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 408.269946][ T6806] net_ratelimit: 5208 callbacks suppressed [ 408.269952][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 408.296386][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 408.315123][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 408.331332][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 408.347511][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 408.363564][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 408.381893][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 408.398369][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 408.413980][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 408.427211][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 413.279567][ T6806] net_ratelimit: 5202 callbacks suppressed [ 413.279573][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 413.296772][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 413.309685][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 413.321387][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 413.332673][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 413.345040][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 413.357284][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 413.368875][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 413.380935][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 413.392185][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 418.288370][ T6806] net_ratelimit: 5273 callbacks suppressed [ 418.288376][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 418.305723][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 418.317070][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 418.329109][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 418.340463][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 418.351677][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 418.362934][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 418.374248][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 418.387372][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 418.398947][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 423.088035][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 423.096780][ C1] rcu: 1-...!: (10469 ticks this GP) idle=5fa/1/0x4000000000000000 softirq=8292/8292 fqs=0 [ 423.107577][ C1] (t=10500 jiffies g=5869 q=34) [ 423.113393][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g5869 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 423.124651][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 423.135445][ C1] rcu: RCU grace-period kthread stack dump: [ 423.142494][ C1] rcu_preempt I28896 10 2 0x00004000 [ 423.149328][ C1] Call Trace: [ 423.152839][ C1] __schedule+0x8ec/0xd90 [ 423.157239][ C1] ? schedule+0x188/0x220 [ 423.161718][ C1] ? schedule_timeout+0x15c/0x250 [ 423.167523][ C1] ? run_local_timers+0x120/0x120 [ 423.173217][ C1] ? rcu_gp_kthread+0xe5d/0x1ac0 [ 423.178496][ C1] ? kthread+0x37e/0x3a0 [ 423.182727][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 423.188599][ C1] ? kthread_blkcg+0xd0/0xd0 [ 423.193926][ C1] ? ret_from_fork+0x1f/0x30 [ 423.199582][ C1] NMI backtrace for cpu 1 [ 423.204536][ C1] CPU: 1 PID: 6806 Comm: syz-executor120 Not tainted 5.8.0-rc6-syzkaller #0 [ 423.214590][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.225400][ C1] Call Trace: [ 423.228660][ C1] [ 423.231666][ C1] dump_stack+0x1f0/0x31e [ 423.236553][ C1] nmi_cpu_backtrace+0x9f/0x180 [ 423.241601][ C1] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 423.247657][ C1] nmi_trigger_cpumask_backtrace+0x16a/0x280 [ 423.254136][ C1] rcu_dump_cpu_stacks+0x199/0x2a0 [ 423.260178][ C1] rcu_sched_clock_irq+0x1928/0x1eb0 [ 423.265718][ C1] ? lock_is_held_type+0x87/0xe0 [ 423.271432][ C1] update_process_times+0x12c/0x180 [ 423.276963][ C1] tick_sched_timer+0x254/0x410 [ 423.281802][ C1] ? tick_setup_sched_timer+0x3e0/0x3e0 [ 423.287340][ C1] __hrtimer_run_queues+0x42d/0x930 [ 423.292519][ C1] hrtimer_interrupt+0x373/0xd60 [ 423.297514][ C1] __sysvec_apic_timer_interrupt+0xf0/0x260 [ 423.303422][ C1] asm_call_on_stack+0xf/0x20 [ 423.308246][ C1] [ 423.311158][ C1] sysvec_apic_timer_interrupt+0xb9/0x130 [ 423.316851][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 423.322837][ C1] RIP: 0010:lock_acquire+0x1bf/0x720 [ 423.328101][ C1] Code: c1 e8 03 80 3c 10 00 74 0c 48 c7 c7 f8 c7 4b 89 e8 46 04 5a 00 48 83 3d c6 2b f2 07 00 0f 84 09 05 00 00 48 8b 7c 24 10 57 9d <0f> 1f 44 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 50 0f 85 e0 [ 423.347849][ C1] RSP: 0018:ffffc90000e27000 EFLAGS: 00000286 [ 423.353905][ C1] RAX: 1ffffffff12978ff RBX: 0000000000000000 RCX: ffffffff815a8114 [ 423.361854][ C1] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: 0000000000000286 [ 423.369801][ C1] RBP: 1ffff110145bd579 R08: dffffc0000000000 R09: fffffbfff1674eb6 [ 423.377819][ C1] R10: fffffbfff1674eb6 R11: 0000000000000000 R12: 0000000000000000 [ 423.385762][ C1] R13: 0000000000000000 R14: ffff8880a2deabcc R15: 0000000000000000 [ 423.393718][ C1] ? validate_chain+0x94/0x8920 [ 423.398628][ C1] ? __local_bh_enable_ip+0x133/0x230 [ 423.404029][ C1] ? batadv_tt_local_purge+0x100/0x350 [ 423.409481][ C1] _raw_spin_lock_bh+0x31/0x40 [ 423.414216][ C1] ? batadv_tt_local_purge+0x100/0x350 [ 423.419646][ C1] batadv_tt_local_purge+0x100/0x350 [ 423.424937][ C1] batadv_tt_local_resize_to_mtu+0x8a/0x130 [ 423.430870][ C1] batadv_hardif_activate_interface+0x1b0/0x350 [ 423.437085][ C1] batadv_hardif_enable_interface+0x76f/0xa00 [ 423.443139][ C1] batadv_softif_slave_add+0x9c/0x120 [ 423.448558][ C1] do_setlink+0xcbf/0x3900 [ 423.452964][ C1] ? rcu_read_lock_sched_held+0x2f/0xa0 [ 423.459073][ C1] ? vlan_dev_set_egress_priority+0x124/0x370 [ 423.465173][ C1] ? kmem_cache_alloc_trace+0x24c/0x300 [ 423.470711][ C1] ? vlan_dev_set_egress_priority+0x1c7/0x370 [ 423.476800][ C1] rtnl_newlink+0x1509/0x1bf0 [ 423.481449][ C1] ? rtnl_newlink+0x3b1/0x1bf0 [ 423.486181][ C1] ? rtnl_newlink+0x8b1/0x1bf0 [ 423.490927][ C1] ? __lock_acquire+0x116c/0x2c30 [ 423.495942][ C1] ? __mutex_lock_common+0x582/0x2fc0 [ 423.501287][ C1] ? trace_lock_release+0x137/0x1a0 [ 423.506461][ C1] ? rtnetlink_rcv_msg+0x83c/0xd40 [ 423.511639][ C1] ? lock_is_held_type+0x87/0xe0 [ 423.516545][ C1] ? rtnl_setlink+0x490/0x490 [ 423.521191][ C1] rtnetlink_rcv_msg+0x889/0xd40 [ 423.526115][ C1] ? trace_lock_release+0x137/0x1a0 [ 423.531373][ C1] ? __local_bh_enable_ip+0x133/0x230 [ 423.536964][ C1] ? local_bh_enable+0x5/0x20 [ 423.541664][ C1] ? lockdep_hardirqs_on+0x38/0xe0 [ 423.546744][ C1] ? local_bh_enable+0x5/0x20 [ 423.551404][ C1] ? __local_bh_enable_ip+0x133/0x230 [ 423.556748][ C1] ? __dev_queue_xmit+0x1846/0x2940 [ 423.562013][ C1] netlink_rcv_skb+0x190/0x3a0 [ 423.566851][ C1] ? rtnetlink_bind+0x80/0x80 [ 423.571540][ C1] netlink_unicast+0x786/0x940 [ 423.576289][ C1] netlink_sendmsg+0xa57/0xd70 [ 423.581028][ C1] ? netlink_getsockopt+0x9e0/0x9e0 [ 423.586250][ C1] ____sys_sendmsg+0x519/0x800 [ 423.591028][ C1] ? import_iovec+0x12a/0x2c0 [ 423.595678][ C1] __sys_sendmsg+0x2b1/0x360 [ 423.600417][ C1] ? trace_lock_release+0x137/0x1a0 [ 423.605683][ C1] ? rcu_lock_release+0x9/0x20 [ 423.610421][ C1] ? __fd_install+0x251/0x490 [ 423.615079][ C1] ? lock_is_held_type+0x87/0xe0 [ 423.619988][ C1] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 423.626050][ C1] do_syscall_64+0x73/0xe0 [ 423.630464][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 423.636431][ C1] RIP: 0033:0x4437d9 [ 423.640324][ C1] Code: Bad RIP value. [ 423.644367][ C1] RSP: 002b:00007ffd3fcc9158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 423.652752][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004437d9 [ 423.660711][ C1] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004 [ 423.668658][ C1] RBP: 00007ffd3fcc9160 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 423.676611][ C1] R10: 0000000001bbbbbb R11: 0000000000000246 R12: 00007ffd3fcc9170 [ 423.684554][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 423.693432][ T6806] net_ratelimit: 5026 callbacks suppressed [ 423.693437][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 423.710527][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 423.724024][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 423.735645][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 423.746944][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 423.758285][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 423.769703][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 423.781016][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 423.792319][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 423.803550][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 428.697999][ T6806] net_ratelimit: 5257 callbacks suppressed [ 428.698006][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 428.715093][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 428.726520][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 428.738292][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 428.749985][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 428.761305][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 428.772581][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 428.783806][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 428.795040][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 428.806278][ T6806] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224)