[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Started OpenBSD Secure Shell server. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.49' (ECDSA) to the list of known hosts. syzkaller login: [ 369.106258][ T6819] IPVS: ftp: loaded support on port[0] = 21 [ 369.185957][ T6819] chnl_net:caif_netlink_parms(): no params data found [ 369.236916][ T6819] bridge0: port 1(bridge_slave_0) entered blocking state [ 369.244236][ T6819] bridge0: port 1(bridge_slave_0) entered disabled state [ 369.253287][ T6819] device bridge_slave_0 entered promiscuous mode [ 369.262067][ T6819] bridge0: port 2(bridge_slave_1) entered blocking state [ 369.269394][ T6819] bridge0: port 2(bridge_slave_1) entered disabled state [ 369.277659][ T6819] device bridge_slave_1 entered promiscuous mode [ 369.295888][ T6819] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 369.306862][ T6819] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 369.327827][ T6819] team0: Port device team_slave_0 added [ 369.335634][ T6819] team0: Port device team_slave_1 added [ 369.352639][ T6819] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 369.359675][ T6819] 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. [ 369.385613][ T6819] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 369.398285][ T6819] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 369.405211][ T6819] 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. [ 369.431260][ T6819] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 369.509779][ T6819] device hsr_slave_0 entered promiscuous mode [ 369.556797][ T6819] device hsr_slave_1 entered promiscuous mode [ 369.711522][ T6819] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 369.759419][ T6819] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 369.808983][ T6819] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 369.848648][ T6819] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 369.903698][ T6819] bridge0: port 2(bridge_slave_1) entered blocking state [ 369.910914][ T6819] bridge0: port 2(bridge_slave_1) entered forwarding state [ 369.918711][ T6819] bridge0: port 1(bridge_slave_0) entered blocking state [ 369.925759][ T6819] bridge0: port 1(bridge_slave_0) entered forwarding state [ 369.969252][ T6819] 8021q: adding VLAN 0 to HW filter on device bond0 [ 369.982117][ T2525] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 369.993234][ T2525] bridge0: port 1(bridge_slave_0) entered disabled state [ 370.001538][ T2525] bridge0: port 2(bridge_slave_1) entered disabled state [ 370.009997][ T2525] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 370.022815][ T6819] 8021q: adding VLAN 0 to HW filter on device team0 [ 370.034940][ T2554] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 370.043817][ T2554] bridge0: port 1(bridge_slave_0) entered blocking state [ 370.050916][ T2554] bridge0: port 1(bridge_slave_0) entered forwarding state [ 370.066885][ T2525] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 370.075226][ T2525] bridge0: port 2(bridge_slave_1) entered blocking state [ 370.082339][ T2525] bridge0: port 2(bridge_slave_1) entered forwarding state [ 370.104533][ T6819] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 370.115521][ T6819] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 370.130615][ T7027] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 370.140263][ T7027] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 370.148884][ T7027] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 370.159441][ T7027] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 370.168083][ T7027] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 370.175806][ T7027] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 370.197384][ T6819] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 370.205886][ T2525] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 370.213995][ T2525] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 370.241018][ T6947] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 370.249831][ T6947] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 370.263209][ T6819] device veth0_vlan entered promiscuous mode [ 370.270625][ T6947] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 370.278944][ T6947] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 370.288099][ T6947] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 370.295849][ T6947] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 370.312798][ T6819] device veth1_vlan entered promiscuous mode [ 370.332844][ T2554] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 370.341225][ T2554] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 370.349784][ T2554] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 370.359925][ T2554] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 370.370417][ T6819] device veth0_macvtap entered promiscuous mode [ 370.381030][ T6819] device veth1_macvtap entered promiscuous mode [ 370.397559][ T6819] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 370.404850][ T2554] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 370.414196][ T2554] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 370.422350][ T2554] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 370.431621][ T2554] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 370.444337][ T6819] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 370.451720][ T6947] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 370.464332][ T6947] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 370.647395][ T6819] batman_adv: batadv0: Adding interface: vlan0 [ 370.653573][ T6819] 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. [ 370.706531][ T6819] batman_adv: batadv0: Interface activated: vlan0 [ 370.715004][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 370.727584][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 370.738928][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 370.750656][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 370.762379][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 370.774087][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 370.785793][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 370.798102][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 370.809434][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 370.821299][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 375.716674][ T6819] net_ratelimit: 4636 callbacks suppressed [ 375.716684][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 375.734726][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 375.746122][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 375.757841][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 375.769495][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 375.781160][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 375.792848][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 375.804580][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 375.816235][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 375.828394][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 380.727725][ T6819] net_ratelimit: 4608 callbacks suppressed [ 380.727732][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 380.745802][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 380.757909][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 380.769235][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 380.781124][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 380.792823][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 380.804511][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 380.816202][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 380.827869][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 380.839572][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 385.736863][ T6819] net_ratelimit: 4632 callbacks suppressed [ 385.736870][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 385.754841][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 385.766262][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 385.778020][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 385.790159][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 385.801816][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 385.813462][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 385.825232][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 385.837484][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 385.848842][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 390.746922][ T6819] net_ratelimit: 4642 callbacks suppressed [ 390.746932][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 390.764923][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 390.776321][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 390.788016][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 390.799724][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 390.811451][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 390.823206][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 390.834887][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 390.846806][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 390.858225][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 395.758109][ T6819] net_ratelimit: 4602 callbacks suppressed [ 395.758116][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 395.776177][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 395.787581][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 395.799241][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 395.810961][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 395.822690][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 395.834379][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 395.846052][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 395.857788][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 395.869587][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 400.766824][ T6819] net_ratelimit: 4621 callbacks suppressed [ 400.766834][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 400.784809][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 400.796232][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 400.807966][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 400.819667][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 400.831348][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 400.843061][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 400.854781][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 400.866614][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 400.877958][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 405.777859][ T6819] net_ratelimit: 4635 callbacks suppressed [ 405.777866][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 405.795849][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 405.807964][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 405.819297][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 405.831187][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 405.842871][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 405.854548][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 405.866242][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 405.877965][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 405.889658][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 410.787674][ T6819] net_ratelimit: 4648 callbacks suppressed [ 410.787681][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 410.805689][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 410.817765][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 410.829124][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 410.841299][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 410.852801][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 410.864452][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 410.876129][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 410.887797][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 410.899871][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 415.797148][ T6819] net_ratelimit: 4650 callbacks suppressed [ 415.797159][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 415.815157][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 415.826916][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 415.838319][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 415.850006][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 415.861694][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 415.873369][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 415.885083][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 415.897229][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 415.908571][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 420.807835][ T6819] net_ratelimit: 4606 callbacks suppressed [ 420.807842][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 420.825867][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 420.837929][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 420.849287][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 420.861268][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 420.873096][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 420.884869][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 420.896868][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 420.908281][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 420.920057][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 425.816858][ T6819] net_ratelimit: 4624 callbacks suppressed [ 425.816868][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 425.834999][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 425.846771][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 425.858135][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 425.869870][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 425.881592][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 425.893645][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 425.905523][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 425.918011][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 425.929570][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 430.827094][ T6819] net_ratelimit: 4592 callbacks suppressed [ 430.827104][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 430.845454][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 430.857552][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 430.869053][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 430.880981][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 430.892800][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 430.904673][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 430.916512][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 430.928099][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 430.939823][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 435.837266][ T6819] net_ratelimit: 4558 callbacks suppressed [ 435.837272][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 435.855351][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 435.867382][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 435.878812][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 435.890457][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 435.902169][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 435.913979][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 435.925673][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 435.937943][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 435.949285][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 440.847484][ T6819] net_ratelimit: 4542 callbacks suppressed [ 440.847491][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 440.865444][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 440.877470][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 440.888942][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 440.900826][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 440.912511][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 440.924252][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 440.936004][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 440.947730][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 440.960034][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 445.857089][ T6819] net_ratelimit: 4568 callbacks suppressed [ 445.857096][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 445.875087][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 445.886908][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 445.898251][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 445.909913][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 445.921579][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 445.933242][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 445.944955][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 445.957079][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 445.968428][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 450.867274][ T6819] net_ratelimit: 4592 callbacks suppressed [ 450.867285][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 450.885359][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 450.897256][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 450.908596][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 450.920459][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 450.932147][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 450.943816][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 450.955474][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 450.967773][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 450.979110][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 455.876934][ T6819] net_ratelimit: 4609 callbacks suppressed [ 455.876941][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 455.894917][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 455.906413][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 455.917787][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 455.929853][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 455.941531][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 455.953202][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 455.964888][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 455.976868][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 455.988224][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 460.886983][ T6819] net_ratelimit: 4597 callbacks suppressed [ 460.886991][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 460.904986][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 460.916563][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 460.927918][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 460.939884][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 460.951630][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 460.963303][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 460.975005][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 460.987103][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 460.998444][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 465.897016][ T6819] net_ratelimit: 4645 callbacks suppressed [ 465.897026][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 465.915031][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 465.926639][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 465.938033][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 465.949781][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 465.961502][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 465.973212][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 465.984902][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 465.996959][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 466.008297][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 470.907562][ T6819] net_ratelimit: 4623 callbacks suppressed [ 470.907570][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 470.925694][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 470.937848][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 470.949175][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 470.961040][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 470.972716][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 470.984386][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 470.996054][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 471.007774][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 471.019492][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 475.696299][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 475.703013][ C1] rcu: 1-....: (10487 ticks this GP) idle=9f2/1/0x4000000000000000 softirq=9198/9198 fqs=5221 [ 475.713560][ C1] (t=10500 jiffies g=8981 q=540) [ 475.718559][ C1] NMI backtrace for cpu 1 [ 475.722931][ C1] CPU: 1 PID: 6819 Comm: syz-executor248 Not tainted 5.8.0-rc6-syzkaller #0 [ 475.731615][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 475.741704][ C1] Call Trace: [ 475.744988][ C1] [ 475.747913][ C1] dump_stack+0x18f/0x20d [ 475.752236][ C1] nmi_cpu_backtrace.cold+0x70/0xb1 [ 475.757481][ C1] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 475.763088][ C1] nmi_trigger_cpumask_backtrace+0x1b3/0x223 [ 475.769081][ C1] rcu_dump_cpu_stacks+0x194/0x1cf [ 475.774183][ C1] rcu_sched_clock_irq.cold+0x5b3/0xccc [ 475.779759][ C1] ? lock_is_held_type+0xb0/0xe0 [ 475.784671][ C1] ? rcutree_dead_cpu+0x10/0x10 [ 475.789492][ C1] ? lockdep_hardirqs_off+0x66/0xa0 [ 475.794698][ C1] ? trace_hardirqs_off+0x27/0x210 [ 475.799821][ C1] update_process_times+0x25/0x60 [ 475.804851][ C1] tick_sched_handle+0x9b/0x180 [ 475.809677][ C1] tick_sched_timer+0x108/0x290 [ 475.814503][ C1] __hrtimer_run_queues+0x1d5/0xfc0 [ 475.819673][ C1] ? can_stop_idle_tick+0x290/0x290 [ 475.824845][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 475.830797][ C1] ? ktime_get_update_offsets_now+0x1c4/0x250 [ 475.836837][ C1] hrtimer_interrupt+0x32a/0x930 [ 475.841787][ C1] __sysvec_apic_timer_interrupt+0x142/0x5e0 [ 475.847764][ C1] asm_call_on_stack+0xf/0x20 [ 475.852409][ C1] [ 475.855342][ C1] sysvec_apic_timer_interrupt+0xe0/0x120 [ 475.861034][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 475.867009][ C1] RIP: 0010:lock_acquire+0x270/0xad0 [ 475.872265][ C1] Code: 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 f8 06 00 00 48 83 3d 85 d1 5a 08 00 0f 84 a6 05 00 00 48 8b 7c 24 08 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 03 44 24 10 48 c7 [ 475.891843][ C1] RSP: 0018:ffffc90001076c78 EFLAGS: 00000286 [ 475.897880][ C1] RAX: 1ffffffff1369c11 RBX: ffff8880955723c0 RCX: 0000000000000001 [ 475.905823][ C1] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: 0000000000000286 [ 475.913766][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8c59aae7 [ 475.921708][ C1] R10: fffffbfff18b355c R11: 0000000000000000 R12: 0000000000000000 [ 475.929662][ C1] R13: ffff888091c67458 R14: 0000000000000000 R15: ffff8880955723c0 [ 475.937624][ C1] ? lock_release+0x8d0/0x8d0 [ 475.942284][ C1] ? mark_held_locks+0x9f/0xe0 [ 475.947055][ C1] ? do_raw_spin_lock+0x120/0x2b0 [ 475.952092][ C1] ? __local_bh_enable_ip+0x159/0x250 [ 475.957437][ C1] ? lockdep_hardirqs_on_prepare+0x1bc/0x590 [ 475.963417][ C1] ? batadv_tt_local_purge+0x285/0x370 [ 475.968853][ C1] _raw_spin_lock_bh+0x2f/0x40 [ 475.973592][ C1] ? batadv_tt_local_purge+0x114/0x370 [ 475.979023][ C1] batadv_tt_local_purge+0x114/0x370 [ 475.984302][ C1] batadv_tt_local_resize_to_mtu+0x8e/0x130 [ 475.990193][ C1] batadv_hardif_activate_interface.part.0.cold+0x14c/0x1ba [ 475.997450][ C1] batadv_hardif_enable_interface+0xa7d/0xb10 [ 476.003492][ C1] batadv_softif_slave_add+0x92/0x150 [ 476.008835][ C1] ? batadv_softif_slave_del+0x120/0x120 [ 476.014491][ C1] do_set_master+0x1c8/0x220 [ 476.019057][ C1] do_setlink+0x903/0x35c0 [ 476.023449][ C1] ? rtnl_getlink+0xab0/0xab0 [ 476.028100][ C1] ? lock_acquire+0x1f1/0xad0 [ 476.032835][ C1] ? fs_reclaim_acquire+0xf/0x40 [ 476.037749][ C1] ? find_held_lock+0x2d/0x110 [ 476.042492][ C1] ? mark_lock+0xbc/0x1710 [ 476.046883][ C1] ? lock_is_held_type+0xb0/0xe0 [ 476.051815][ C1] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 476.057353][ C1] ? trace_kmalloc+0xfd/0x130 [ 476.062003][ C1] ? kmem_cache_alloc_trace+0x168/0x2d0 [ 476.067566][ C1] ? vlan_dev_set_egress_priority+0x18b/0x3f0 [ 476.073615][ C1] __rtnl_newlink+0xc21/0x1730 [ 476.078357][ C1] ? rtnl_setlink+0x3c0/0x3c0 [ 476.083007][ C1] ? lock_downgrade+0x820/0x820 [ 476.087842][ C1] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 476.093796][ C1] ? lock_acquire+0x1f1/0xad0 [ 476.098444][ C1] ? stack_depot_save+0x1c6/0x400 [ 476.103449][ C1] ? find_held_lock+0x2d/0x110 [ 476.108184][ C1] ? mark_lock+0xbc/0x1710 [ 476.112592][ C1] ? mark_held_locks+0x9f/0xe0 [ 476.117341][ C1] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 476.123126][ C1] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 476.129089][ C1] ? trace_hardirqs_on+0x5f/0x220 [ 476.134081][ C1] ? lockdep_hardirqs_on+0x6a/0xe0 [ 476.139164][ C1] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 476.144951][ C1] ? stack_depot_save+0x238/0x400 [ 476.149964][ C1] ? mark_lock+0xbc/0x1710 [ 476.154357][ C1] ? trace_kmalloc+0xfd/0x130 [ 476.159006][ C1] ? kmem_cache_alloc_trace+0x168/0x2d0 [ 476.164523][ C1] rtnl_newlink+0x64/0xa0 [ 476.168824][ C1] ? __rtnl_newlink+0x1730/0x1730 [ 476.173824][ C1] rtnetlink_rcv_msg+0x44e/0xad0 [ 476.178735][ C1] ? rtnetlink_put_metrics+0x510/0x510 [ 476.184175][ C1] ? lock_acquire+0x1f1/0xad0 [ 476.188870][ C1] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 476.194152][ C1] netlink_rcv_skb+0x15a/0x430 [ 476.198904][ C1] ? rtnetlink_put_metrics+0x510/0x510 [ 476.204344][ C1] ? netlink_ack+0xa10/0xa10 [ 476.208911][ C1] netlink_unicast+0x533/0x7d0 [ 476.213650][ C1] ? netlink_attachskb+0x810/0x810 [ 476.218758][ C1] ? _copy_from_iter_full+0x247/0x890 [ 476.224134][ C1] ? __phys_addr+0x9a/0x110 [ 476.228610][ C1] ? __phys_addr_symbol+0x2c/0x70 [ 476.233652][ C1] ? __check_object_size+0x171/0x3e4 [ 476.238925][ C1] netlink_sendmsg+0x856/0xd90 [ 476.243673][ C1] ? netlink_unicast+0x7d0/0x7d0 [ 476.248591][ C1] ? netlink_unicast+0x7d0/0x7d0 [ 476.253552][ C1] sock_sendmsg+0xcf/0x120 [ 476.257949][ C1] ____sys_sendmsg+0x6e8/0x810 [ 476.262683][ C1] ? kernel_sendmsg+0x50/0x50 [ 476.267329][ C1] ? do_recvmmsg+0x6d0/0x6d0 [ 476.271893][ C1] ? mark_lock+0xbc/0x1710 [ 476.276288][ C1] ? __lock_acquire+0xc1e/0x56e0 [ 476.281221][ C1] ___sys_sendmsg+0xf3/0x170 [ 476.285781][ C1] ? sendmsg_copy_msghdr+0x160/0x160 [ 476.291076][ C1] ? percpu_counter_add_batch+0x126/0x180 [ 476.296772][ C1] ? lock_acquire+0x1f1/0xad0 [ 476.301483][ C1] ? __get_unused_fd_flags+0x60/0x60 [ 476.306747][ C1] ? find_held_lock+0x2d/0x110 [ 476.311484][ C1] ? __fd_install+0x1b4/0x600 [ 476.316132][ C1] ? lock_downgrade+0x820/0x820 [ 476.320954][ C1] ? __fget_light+0x215/0x280 [ 476.325608][ C1] __sys_sendmsg+0xe5/0x1b0 [ 476.330083][ C1] ? __sys_sendmsg_sock+0xb0/0xb0 [ 476.335096][ C1] ? lock_is_held_type+0xb0/0xe0 [ 476.340006][ C1] ? do_fast_syscall_32+0x40/0x120 [ 476.345086][ C1] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 476.351094][ C1] do_syscall_32_irqs_on+0x3f/0x60 [ 476.356191][ C1] do_fast_syscall_32+0x7f/0x120 [ 476.361115][ C1] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 476.367426][ C1] RIP: 0023:0xf7ffc569 [ 476.371459][ C1] Code: Bad RIP value. [ 476.375492][ C1] RSP: 002b:00000000ffe760dc EFLAGS: 00000282 ORIG_RAX: 0000000000000172 [ 476.383892][ C1] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000140 [ 476.391847][ C1] RDX: 0000000000000000 RSI: 00000000f7ffc28c RDI: 0000000000000004 [ 476.399789][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 476.407730][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 476.415681][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 476.425279][ T6819] net_ratelimit: 4403 callbacks suppressed [ 476.425287][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 476.443331][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 476.455582][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 476.467929][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 476.480186][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 476.491828][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 476.503496][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 476.515156][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 476.527406][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 476.538743][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 481.427027][ T6819] net_ratelimit: 4606 callbacks suppressed [ 481.427034][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 481.445040][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 481.456662][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 481.468000][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 481.479876][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 481.491575][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 481.503243][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 481.514925][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 481.526985][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224) [ 481.538341][ T6819] batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (-224)