Warning: Permanently added '10.128.1.107' (ECDSA) to the list of known hosts. syzkaller login: [ 75.934863][ T8468] chnl_net:caif_netlink_parms(): no params data found [ 76.010862][ T8468] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.019081][ T8468] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.029628][ T8468] device bridge_slave_0 entered promiscuous mode [ 76.039993][ T8468] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.047639][ T8468] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.055380][ T8468] device bridge_slave_1 entered promiscuous mode [ 76.087321][ T8468] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.098788][ T8468] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.134390][ T8468] team0: Port device team_slave_0 added [ 76.142580][ T8468] team0: Port device team_slave_1 added [ 76.174175][ T8468] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 76.181889][ T8468] 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. [ 76.209031][ T8468] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.221824][ T8468] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.228919][ T8468] 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. [ 76.256321][ T8468] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.295309][ T8468] device hsr_slave_0 entered promiscuous mode [ 76.302522][ T8468] device hsr_slave_1 entered promiscuous mode [ 76.427891][ T8468] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 76.444221][ T8468] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.453827][ T8468] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.465737][ T8468] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.493708][ T8468] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.501183][ T8468] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.509043][ T8468] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.516217][ T8468] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.560549][ T8468] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.573636][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.587011][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.595906][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.605992][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 76.621242][ T8468] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.633209][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.642906][ T3086] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.650565][ T3086] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.667191][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.675670][ T3086] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.682894][ T3086] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.698899][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.710616][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.729664][ T8786] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.738860][ T8786] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.747736][ T8786] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.758648][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.777998][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.785563][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.802539][ T8468] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.822204][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.843882][ T8786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.853736][ T8786] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.863243][ T8786] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.873802][ T8468] device veth0_vlan entered promiscuous mode [ 76.889070][ T8468] device veth1_vlan entered promiscuous mode [ 76.910766][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.919784][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.929053][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.948899][ T8468] device veth0_macvtap entered promiscuous mode [ 76.961248][ T8468] device veth1_macvtap entered promiscuous mode [ 76.981926][ T8468] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.996749][ T8786] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 77.005789][ T8786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 77.021151][ T8468] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.029384][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 77.039879][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 77.052376][ T8468] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.062012][ T8468] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.075597][ T8468] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.088302][ T8468] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.124215][ T8468] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN [ 77.136137][ T8468] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 77.144885][ T8468] CPU: 1 PID: 8468 Comm: syz-executor865 Not tainted 5.14.0-rc2-syzkaller #0 [ 77.153938][ T8468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.164270][ T8468] RIP: 0010:br_switchdev_fdb_notify+0x2bf/0x340 [ 77.170775][ T8468] Code: c4 a8 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 f6 fd 77 f9 49 8d 7e 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 71 4d 8b 6e 08 e9 4f ff ff ff e8 cd fd 77 f9 31 c9 [ 77.191070][ T8468] RSP: 0018:ffffc9000186f360 EFLAGS: 00010202 [ 77.197125][ T8468] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 77.205266][ T8468] RDX: 0000000000000001 RSI: ffffffff87fd8c8a RDI: 0000000000000008 [ 77.214055][ T8468] RBP: 1ffff9200030de6d R08: 0000000000000000 R09: 0000000000000000 [ 77.222701][ T8468] R10: ffffffff87fd8bc7 R11: 0000000000000000 R12: 000000000000001c [ 77.230681][ T8468] R13: ffff88801d1c8c00 R14: 0000000000000000 R15: ffff888033cb93e8 [ 77.238823][ T8468] FS: 0000000002147300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 77.247920][ T8468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.254590][ T8468] CR2: 0000000020000000 CR3: 000000003756d000 CR4: 00000000001506e0 [ 77.262741][ T8468] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.270715][ T8468] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.278775][ T8468] Call Trace: [ 77.282130][ T8468] ? br_switchdev_set_port_flag+0x380/0x380 [ 77.288110][ T8468] ? __local_bh_enable_ip+0xa0/0x120 [ 77.293602][ T8468] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 77.301214][ T8468] ? fdb_create+0x859/0x1460 [ 77.305810][ T8468] fdb_notify+0x159/0x190 [ 77.310428][ T8468] br_fdb_external_learn_add+0x2cc/0x5c0 [ 77.316281][ T8468] __br_fdb_add+0x122/0xa40 [ 77.320967][ T8468] br_fdb_add+0x8aa/0xcd0 [ 77.325862][ T8468] ? __br_fdb_add+0xa40/0xa40 [ 77.330629][ T8468] ? __nla_parse+0x3d/0x50 [ 77.335049][ T8468] rtnl_fdb_add+0x45f/0xad0 [ 77.339561][ T8468] ? __br_fdb_add+0xa40/0xa40 [ 77.344259][ T8468] ? rtnl_fdb_notify+0x180/0x180 [ 77.349277][ T8468] ? rtnl_fdb_notify+0x180/0x180 [ 77.354278][ T8468] rtnetlink_rcv_msg+0x413/0xb80 [ 77.359372][ T8468] ? rtnl_newlink+0xa0/0xa0 [ 77.363958][ T8468] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 77.369268][ T8468] netlink_rcv_skb+0x153/0x420 [ 77.374041][ T8468] ? rtnl_newlink+0xa0/0xa0 [ 77.378630][ T8468] ? netlink_ack+0xa60/0xa60 [ 77.383285][ T8468] ? netlink_deliver_tap+0x1a2/0xbc0 [ 77.388580][ T8468] netlink_unicast+0x533/0x7d0 [ 77.393348][ T8468] ? netlink_attachskb+0x890/0x890 [ 77.398535][ T8468] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 77.404768][ T8468] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 77.411011][ T8468] ? __phys_addr_symbol+0x2c/0x70 [ 77.416032][ T8468] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 77.421751][ T8468] ? __check_object_size+0x16e/0x3f0 [ 77.427048][ T8468] netlink_sendmsg+0x86d/0xdb0 [ 77.431894][ T8468] ? netlink_unicast+0x7d0/0x7d0 [ 77.436983][ T8468] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.443505][ T8468] ? netlink_unicast+0x7d0/0x7d0 [ 77.448712][ T8468] sock_sendmsg+0xcf/0x120 [ 77.453294][ T8468] ____sys_sendmsg+0x6e8/0x810 [ 77.458050][ T8468] ? kernel_sendmsg+0x50/0x50 [ 77.462796][ T8468] ? do_recvmmsg+0x6d0/0x6d0 [ 77.467586][ T8468] ? find_held_lock+0x2d/0x110 [ 77.472434][ T8468] ? lock_chain_count+0x20/0x20 [ 77.477277][ T8468] ? __might_fault+0xd3/0x180 [ 77.481944][ T8468] ? lock_downgrade+0x6e0/0x6e0 [ 77.486780][ T8468] ___sys_sendmsg+0xf3/0x170 [ 77.491708][ T8468] ? sendmsg_copy_msghdr+0x160/0x160 [ 77.497089][ T8468] ? __lock_acquire+0x162f/0x54a0 [ 77.502300][ T8468] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 77.508363][ T8468] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 77.514355][ T8468] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 77.520604][ T8468] ? __fget_light+0x215/0x280 [ 77.525279][ T8468] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 77.531804][ T8468] __sys_sendmsg+0xe5/0x1b0 [ 77.536324][ T8468] ? __sys_sendmsg_sock+0x30/0x30 [ 77.541559][ T8468] ? syscall_enter_from_user_mode+0x21/0x70 [ 77.547649][ T8468] do_syscall_64+0x35/0xb0 [ 77.552072][ T8468] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 77.558292][ T8468] RIP: 0033:0x443239 [ 77.562181][ T8468] Code: 28 c3 e8 4a 15 00 00 66 2e 0f 1f 84 00 00 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 77.582103][ T8468] RSP: 002b:00007ffee38b3de8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 77.590505][ T8468] RAX: ffffffffffffffda RBX: 00007ffee38b3df8 RCX: 0000000000443239 [ 77.598640][ T8468] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 77.606610][ T8468] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 77.614580][ T8468] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffee38b3e00 [ 77.622710][ T8468] R13: 00007ffee38b3e20 R14: 00000000004b8018 R15: 00000000004004b8 [ 77.630759][ T8468] Modules linked in: [ 77.634730][ T8468] ---[ end trace aa1b885b5f5494d5 ]--- [ 77.640239][ T8468] RIP: 0010:br_switchdev_fdb_notify+0x2bf/0x340 [ 77.646756][ T8468] Code: c4 a8 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 f6 fd 77 f9 49 8d 7e 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 71 4d 8b 6e 08 e9 4f ff ff ff e8 cd fd 77 f9 31 c9 [ 77.666395][ T8468] RSP: 0018:ffffc9000186f360 EFLAGS: 00010202 [ 77.672513][ T8468] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 77.680563][ T8468] RDX: 0000000000000001 RSI: ffffffff87fd8c8a RDI: 0000000000000008 [ 77.688591][ T8468] RBP: 1ffff9200030de6d R08: 0000000000000000 R09: 0000000000000000 [ 77.696681][ T8468] R10: ffffffff87fd8bc7 R11: 0000000000000000 R12: 000000000000001c [ 77.704661][ T8468] R13: ffff88801d1c8c00 R14: 0000000000000000 R15: ffff888033cb93e8 [ 77.712677][ T8468] FS: 0000000002147300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 77.721751][ T8468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.728400][ T8468] CR2: 0000000020000000 CR3: 000000003756d000 CR4: 00000000001506e0 [ 77.737461][ T8468] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.745536][ T8468] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.753787][ T8468] Kernel panic - not syncing: Fatal exception in interrupt [ 77.762754][ T8468] Kernel Offset: disabled [ 77.767076][ T8468] Rebooting in 86400 seconds..