Warning: Permanently added '10.128.0.228' (ECDSA) to the list of known hosts. syzkaller login: [ 316.805014] audit: type=1400 audit(1595552547.726:8): avc: denied { execmem } for pid=6455 comm="syz-executor066" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 316.825099] IPVS: ftp: loaded support on port[0] = 21 [ 316.901210] chnl_net:caif_netlink_parms(): no params data found [ 317.006280] bridge0: port 1(bridge_slave_0) entered blocking state [ 317.013099] bridge0: port 1(bridge_slave_0) entered disabled state [ 317.021085] device bridge_slave_0 entered promiscuous mode [ 317.031128] bridge0: port 2(bridge_slave_1) entered blocking state [ 317.037492] bridge0: port 2(bridge_slave_1) entered disabled state [ 317.045187] device bridge_slave_1 entered promiscuous mode [ 317.063988] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 317.073066] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 317.092378] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 317.099971] team0: Port device team_slave_0 added [ 317.105473] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 317.113816] team0: Port device team_slave_1 added [ 317.130128] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 317.136417] 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. [ 317.162376] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 317.174005] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 317.180308] 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. [ 317.205775] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 317.216768] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 317.224612] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 317.280283] device hsr_slave_0 entered promiscuous mode [ 317.337848] device hsr_slave_1 entered promiscuous mode [ 317.378267] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 317.385325] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 317.453602] bridge0: port 2(bridge_slave_1) entered blocking state [ 317.460048] bridge0: port 2(bridge_slave_1) entered forwarding state [ 317.466732] bridge0: port 1(bridge_slave_0) entered blocking state [ 317.473154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 317.506772] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 317.514296] 8021q: adding VLAN 0 to HW filter on device bond0 [ 317.523909] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 317.533725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 317.552685] bridge0: port 1(bridge_slave_0) entered disabled state [ 317.559995] bridge0: port 2(bridge_slave_1) entered disabled state [ 317.567040] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 317.579140] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 317.585206] 8021q: adding VLAN 0 to HW filter on device team0 [ 317.596150] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 317.604136] bridge0: port 1(bridge_slave_0) entered blocking state [ 317.610571] bridge0: port 1(bridge_slave_0) entered forwarding state [ 317.620903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 317.628676] bridge0: port 2(bridge_slave_1) entered blocking state [ 317.635008] bridge0: port 2(bridge_slave_1) entered forwarding state [ 317.659063] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 317.666986] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 317.675376] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 317.683445] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 317.691601] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 317.700376] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 317.706405] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 317.721180] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 317.729238] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 317.735950] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 317.747266] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 317.760643] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 317.770757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 317.807358] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 317.815511] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 317.822382] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 317.832304] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 317.840032] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 317.846860] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 317.856035] device veth0_vlan entered promiscuous mode [ 317.865647] device veth1_vlan entered promiscuous mode [ 317.872124] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 317.881993] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 317.889544] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 317.896873] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 317.911006] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 317.920441] IPv6: ADDRCONF(NETDEV_UP): veth1_macvtap: link is not ready [ 317.927249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 317.935885] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 317.945342] device veth0_macvtap entered promiscuous mode [ 317.952830] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 317.962250] device veth1_macvtap entered promiscuous mode [ 317.968828] IPv6: ADDRCONF(NETDEV_UP): macsec0: link is not ready [ 317.978201] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 317.987270] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 317.996752] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready [ 318.004472] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 318.011676] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 318.019385] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 318.026453] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 318.034702] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 318.046248] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 318.053882] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 318.060714] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 318.068742] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 318.180419] batman_adv: batadv0: Adding interface: vlan0 [ 318.185916] 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. [ 318.231282] batman_adv: batadv0: Interface activated: vlan0 [ 318.238699] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 318.249453] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 318.259862] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 318.270205] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 318.280530] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 318.290879] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 318.301229] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 318.311556] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 318.321890] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 318.332250] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 323.248153] net_ratelimit: 6852 callbacks suppressed [ 323.248160] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 323.263655] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 323.273988] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 323.284316] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 323.294656] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 323.304989] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 323.315327] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 323.325664] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 323.336016] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 323.346354] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 328.258052] net_ratelimit: 6842 callbacks suppressed [ 328.258058] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 328.273501] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 328.283831] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 328.294186] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 328.304534] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 328.314861] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 328.325186] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 328.335523] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 328.345860] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 328.356198] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 333.268073] net_ratelimit: 6836 callbacks suppressed [ 333.268079] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 333.283579] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 333.293956] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 333.304291] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 333.314709] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 333.325051] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 333.335375] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 333.345698] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 333.356016] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 333.366353] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 338.277914] net_ratelimit: 6825 callbacks suppressed [ 338.277921] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 338.293540] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 338.303908] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 338.314267] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 338.324631] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 338.334975] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 338.345310] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 338.355644] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 338.365976] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 338.376331] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 343.287680] net_ratelimit: 6835 callbacks suppressed [ 343.287690] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 343.303213] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 343.313569] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 343.323900] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 343.334249] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 343.344574] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 343.354917] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 343.365278] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 343.375623] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 343.385961] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 348.297919] net_ratelimit: 6822 callbacks suppressed [ 348.297926] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 348.313973] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 348.324783] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 348.335297] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 348.346132] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 348.356547] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 348.367305] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 348.378209] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 348.388941] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 348.399298] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 353.308288] net_ratelimit: 6751 callbacks suppressed [ 353.308295] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 353.323749] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 353.334090] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 353.344422] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 353.354850] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 353.365171] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 353.375514] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 353.386420] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 353.396772] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 353.407102] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 358.318267] net_ratelimit: 6829 callbacks suppressed [ 358.318273] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 358.333710] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 358.344032] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 358.354389] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 358.364746] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 358.375064] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 358.385388] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 358.395710] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 358.406037] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 358.416375] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 363.327687] net_ratelimit: 6840 callbacks suppressed [ 363.327698] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 363.343281] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 363.353650] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 363.363979] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 363.374316] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 363.384644] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 363.394961] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 363.405283] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 363.415621] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 363.425950] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 368.338092] net_ratelimit: 6849 callbacks suppressed [ 368.338099] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 368.353523] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 368.363885] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 368.374224] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 368.384542] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 368.394864] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 368.405187] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 368.415506] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 368.425844] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 368.436167] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 373.348119] net_ratelimit: 6844 callbacks suppressed [ 373.348125] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 373.363589] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 373.373924] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 373.384247] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 373.394585] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 373.404921] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 373.415258] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 373.425594] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 373.435936] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 373.446260] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 378.357583] net_ratelimit: 6835 callbacks suppressed [ 378.357592] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 378.373073] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 378.383425] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 378.393759] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 378.404087] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 378.414420] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 378.424761] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 378.435084] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 378.445424] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 378.455761] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 383.368155] net_ratelimit: 6840 callbacks suppressed [ 383.368162] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 383.383687] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 383.394051] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 383.404393] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 383.414832] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 383.425164] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 383.435496] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 383.445830] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 383.456651] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 383.466985] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 388.378203] net_ratelimit: 6840 callbacks suppressed [ 388.378210] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 388.393676] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 388.404000] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 388.414343] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 388.424678] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 388.435004] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 388.445333] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 388.455678] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 388.466038] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 388.476400] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 393.387663] net_ratelimit: 6844 callbacks suppressed [ 393.387673] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 393.403138] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 393.413468] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 393.423818] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 393.434146] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 393.444495] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 393.454883] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 393.465216] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 393.475542] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 393.485891] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 398.397555] net_ratelimit: 6841 callbacks suppressed [ 398.397565] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 398.413086] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 398.423412] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 398.433740] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 398.444068] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 398.454399] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 398.464745] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 398.475081] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 398.485403] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 398.495733] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 403.407646] net_ratelimit: 6770 callbacks suppressed [ 403.407656] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 403.423222] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 403.433651] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 403.444061] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 403.454475] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 403.464893] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 403.475281] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 403.485685] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 403.496218] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 403.506814] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 408.418085] net_ratelimit: 6765 callbacks suppressed [ 408.418092] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 408.438246] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 408.449913] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 408.460702] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 408.471066] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 408.481479] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 408.491994] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 408.503831] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 408.514405] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 408.524816] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 413.428284] net_ratelimit: 6725 callbacks suppressed [ 413.428291] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 413.444198] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 413.455302] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 413.466390] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 413.478263] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 413.489319] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 413.500361] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 413.511293] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 413.522081] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 413.532504] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 418.437947] net_ratelimit: 6690 callbacks suppressed [ 418.437954] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 418.453826] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 418.464221] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 418.474975] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 418.485514] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 418.496120] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 418.507225] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 418.518246] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 418.529069] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 418.540161] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 423.237473] rcu: INFO: rcu_preempt self-detected stall on CPU [ 423.243878] rcu: 1-...!: (10500 ticks this GP) idle=cca/1/0x4000000000000002 softirq=11988/11988 fqs=0 [ 423.253888] rcu: (t=10502 jiffies g=5361 q=4) [ 423.259294] rcu: rcu_preempt kthread starved for 10503 jiffies! g5361 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 423.272239] rcu: RCU grace-period kthread stack dump: [ 423.277734] rcu_preempt I29208 10 2 0x80000000 [ 423.283510] Call Trace: [ 423.286269] __schedule+0x887/0x2040 [ 423.290286] ? io_schedule_timeout+0x140/0x140 [ 423.295046] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 423.300295] schedule+0x8d/0x1b0 [ 423.303774] schedule_timeout+0x4cf/0xfe0 [ 423.307936] ? prepare_to_swait_event+0x5b/0x540 [ 423.312729] ? usleep_range+0x170/0x170 [ 423.316758] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 423.322130] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 423.327167] ? collect_expired_timers+0x2a0/0x2a0 [ 423.332498] ? swake_up_all+0x340/0x340 [ 423.336621] rcu_gp_kthread+0xdad/0x21c0 [ 423.340793] ? lock_acquire+0x170/0x3c0 [ 423.344865] ? __rcu_read_unlock+0x160/0x160 [ 423.350181] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 423.356058] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 423.361112] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 423.366268] ? __kthread_parkme+0xfd/0x1b0 [ 423.374725] ? __rcu_read_unlock+0x160/0x160 [ 423.386685] kthread+0x30b/0x410 [ 423.390915] ? kthread_park+0x180/0x180 [ 423.395800] ret_from_fork+0x24/0x30 [ 423.399713] NMI backtrace for cpu 1 [ 423.403354] CPU: 1 PID: 6456 Comm: syz-executor066 Not tainted 4.19.134-syzkaller #0 [ 423.411557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.421831] Call Trace: [ 423.424405] [ 423.426678] dump_stack+0x1fc/0x2fe [ 423.430396] nmi_cpu_backtrace.cold+0x63/0xa2 [ 423.435018] ? lapic_can_unplug_cpu.cold+0x39/0x39 [ 423.440309] nmi_trigger_cpumask_backtrace+0x1a6/0x1eb [ 423.446179] rcu_dump_cpu_stacks+0x15f/0x19c [ 423.450795] rcu_check_callbacks.cold+0x62d/0xe19 [ 423.455753] ? __raise_softirq_irqoff+0x3a/0x1a0 [ 423.461287] ? trace_hardirqs_off+0x64/0x200 [ 423.466612] update_process_times+0x2a/0x70 [ 423.471094] tick_sched_handle+0x9b/0x180 [ 423.475425] tick_sched_timer+0xfc/0x290 [ 423.479813] __hrtimer_run_queues+0x3f6/0xe60 [ 423.484368] ? tick_nohz_restart_sched_tick+0x310/0x310 [ 423.489762] ? retrigger_next_event+0x220/0x220 [ 423.495077] ? kvm_clock_get_cycles+0x14/0x30 [ 423.499844] ? ktime_get_update_offsets_now+0x2ec/0x460 [ 423.505329] hrtimer_interrupt+0x32a/0x930 [ 423.509963] ? sched_clock_cpu+0x18/0x1b0 [ 423.514413] ? check_preemption_disabled+0x41/0x280 [ 423.519615] smp_apic_timer_interrupt+0x10c/0x550 [ 423.525007] apic_timer_interrupt+0xf/0x20 [ 423.529255] [ 423.531783] RIP: 0010:__local_bh_enable_ip+0x18d/0x270 [ 423.537849] Code: 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 dd 00 00 00 48 83 3d a8 29 93 07 00 0f 84 8d 00 00 00 fb 66 0f 1f 44 00 00 <65> 8b 05 0c bc c2 7e 85 c0 74 7d 5b 5d 41 5c c3 80 3d 4a 4d 68 08 [ 423.558172] RSP: 0018:ffff8880a40f6bf8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 423.566105] RAX: 1ffffffff11a4b6b RBX: 0000000000000201 RCX: 1ffff1101483bdd2 [ 423.574152] RDX: dffffc0000000000 RSI: ffff8880a41dee70 RDI: ffff8880a41dee44 [ 423.581823] RBP: ffffffff8721c6a8 R08: 0000000000000000 R09: 0000000000000000 [ 423.589117] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a41de5c0 [ 423.596767] R13: ffff8880a0ff8698 R14: 0000000000000000 R15: dffffc0000000000 [ 423.604694] ? batadv_tt_local_purge+0x278/0x370 [ 423.610276] ? __local_bh_enable_ip+0x159/0x270 [ 423.615329] batadv_tt_local_purge+0x278/0x370 [ 423.620049] batadv_tt_local_resize_to_mtu+0x8e/0x130 [ 423.625589] batadv_hardif_activate_interface.part.0.cold+0x88/0x226 [ 423.632114] ? batadv_update_min_mtu+0x60/0x60 [ 423.637952] ? do_raw_spin_lock+0xcb/0x220 [ 423.642556] batadv_hardif_enable_interface+0xadf/0xba0 [ 423.648125] batadv_softif_slave_add+0x8a/0x100 [ 423.653471] ? batadv_softif_slave_del+0xc0/0xc0 [ 423.658337] do_set_master+0x1c8/0x220 [ 423.662227] do_setlink+0x7ec/0x3540 [ 423.666063] ? __dev_notify_flags+0x172/0x2b0 [ 423.671503] ? dev_change_name+0x780/0x780 [ 423.676513] ? __dev_change_flags+0x4b7/0x660 [ 423.681031] ? rtnl_fdb_add+0xa10/0xa10 [ 423.685010] ? __lock_acquire+0x6de/0x3ff0 [ 423.689268] ? fs_reclaim_release+0xd0/0x110 [ 423.693876] ? lock_acquire+0x170/0x3c0 [ 423.697897] ? check_preemption_disabled+0x41/0x280 [ 423.703474] ? vlan_dev_set_egress_priority+0x1d7/0x3f0 [ 423.708859] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 423.713896] ? kmem_cache_alloc_trace+0x323/0x380 [ 423.718752] ? vlan_dev_set_egress_priority+0x18b/0x3f0 [ 423.724149] rtnl_newlink+0xda0/0x15a0 [ 423.728063] ? rtnl_getlink+0x620/0x620 [ 423.732036] ? __lock_acquire+0x6de/0x3ff0 [ 423.736291] ? unwind_next_frame+0x10a9/0x1c60 [ 423.740872] ? __save_stack_trace+0x72/0x190 [ 423.745302] ? deref_stack_reg+0x134/0x1d0 [ 423.749550] ? mark_held_locks+0xf0/0xf0 [ 423.753719] ? is_bpf_text_address+0xd5/0x1b0 [ 423.758214] ? __lock_acquire+0x6de/0x3ff0 [ 423.762496] ? mark_held_locks+0xf0/0xf0 [ 423.767051] ? mark_held_locks+0xf0/0xf0 [ 423.771445] ? depot_save_stack+0x1e0/0x40a [ 423.775900] ? __lock_acquire+0x6de/0x3ff0 [ 423.780164] ? avc_has_perm_noaudit+0x1c5/0x390 [ 423.785023] ? mark_held_locks+0xf0/0xf0 [ 423.789094] ? lock_acquire+0x170/0x3c0 [ 423.793190] ? avc_has_perm_noaudit+0x9c/0x390 [ 423.797829] ? check_preemption_disabled+0x41/0x280 [ 423.802900] ? __mutex_add_waiter+0x160/0x160 [ 423.807434] ? check_preemption_disabled+0x41/0x280 [ 423.812477] ? rtnl_getlink+0x620/0x620 [ 423.816699] rtnetlink_rcv_msg+0x453/0xb80 [ 423.820965] ? rtnl_calcit.isra.0+0x430/0x430 [ 423.825657] ? memcpy+0x35/0x50 [ 423.830544] ? netdev_pick_tx+0x2f0/0x2f0 [ 423.835150] ? __copy_skb_header+0x414/0x500 [ 423.840384] ? kfree_skbmem+0x140/0x140 [ 423.844827] netlink_rcv_skb+0x160/0x440 [ 423.848963] ? rtnl_calcit.isra.0+0x430/0x430 [ 423.853516] ? netlink_ack+0xae0/0xae0 [ 423.858033] netlink_unicast+0x4d5/0x690 [ 423.862840] ? netlink_sendskb+0x110/0x110 [ 423.867217] netlink_sendmsg+0x6bb/0xc40 [ 423.871977] ? nlmsg_notify+0x1a0/0x1a0 [ 423.876307] ? kernel_recvmsg+0x220/0x220 [ 423.880485] ? nlmsg_notify+0x1a0/0x1a0 [ 423.884831] sock_sendmsg+0xc3/0x120 [ 423.888720] ___sys_sendmsg+0x7bb/0x8e0 [ 423.892707] ? copy_msghdr_from_user+0x440/0x440 [ 423.897510] ? __lockdep_init_map+0x100/0x5a0 [ 423.902037] ? check_preemption_disabled+0x41/0x280 [ 423.907117] ? mark_held_locks+0xf0/0xf0 [ 423.911396] ? percpu_counter_add_batch+0x126/0x180 [ 423.916442] ? alloc_empty_file+0xd7/0x170 [ 423.920953] ? errseq_sample+0x56/0x70 [ 423.925117] ? alloc_file+0x326/0x4d0 [ 423.928940] ? __fd_install+0x1b4/0x610 [ 423.932957] ? __fdget+0x1a0/0x230 [ 423.936519] __x64_sys_sendmsg+0x132/0x220 [ 423.940921] ? __sys_sendmsg+0x1b0/0x1b0 [ 423.945013] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 423.950915] ? trace_hardirqs_off_caller+0x69/0x210 [ 423.955936] ? do_syscall_64+0x21/0x620 [ 423.960023] do_syscall_64+0xf9/0x620 [ 423.963840] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 423.969094] RIP: 0033:0x4437d9 [ 423.972304] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 0f fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 423.992501] RSP: 002b:00007ffc1855cd68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 424.000246] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004437d9 [ 424.007535] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004 [ 424.014815] RBP: 00007ffc1855cd70 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 424.022095] R10: 0000000001bbbbbb R11: 0000000000000246 R12: 00007ffc1855cd80 [ 424.029373] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 424.037767] net_ratelimit: 6439 callbacks suppressed [ 424.037776] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 424.053398] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 424.064141] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 424.074930] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 424.085351] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 424.096719] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 424.107242] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 424.118040] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 424.128479] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 424.138905] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 429.048296] net_ratelimit: 6727 callbacks suppressed [ 429.048304] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 429.064604] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 429.075489] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 429.086401] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 429.096965] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 429.107712] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 429.118469] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 429.129706] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 429.140195] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 429.150684] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224)