Warning: Permanently added '10.128.0.22' (ECDSA) to the list of known hosts. syzkaller login: [ 72.649733][ T8451] chnl_net:caif_netlink_parms(): no params data found [ 72.725981][ T8451] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.733807][ T8451] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.743831][ T8451] device bridge_slave_0 entered promiscuous mode [ 72.754314][ T8451] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.762352][ T8451] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.771091][ T8451] device bridge_slave_1 entered promiscuous mode [ 72.803759][ T8451] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.814449][ T8451] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.845655][ T8451] team0: Port device team_slave_0 added [ 72.853196][ T8451] team0: Port device team_slave_1 added [ 72.880628][ T8451] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.887588][ T8451] 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. [ 72.914388][ T8451] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.928910][ T8451] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.936716][ T8451] 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. [ 72.963417][ T8451] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.001404][ T8451] device hsr_slave_0 entered promiscuous mode [ 73.008628][ T8451] device hsr_slave_1 entered promiscuous mode [ 73.126944][ T8451] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.139012][ T8451] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.154153][ T8451] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.164968][ T8451] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.189356][ T8451] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.196711][ T8451] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.206582][ T8451] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.213831][ T8451] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.256520][ T8451] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.269693][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.282901][ T3171] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.292147][ T3171] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.300468][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 73.314705][ T8451] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.326384][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.335498][ T3171] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.342788][ T3171] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.372841][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.381700][ T3171] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.388730][ T3171] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.397450][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.406234][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.414895][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.423279][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.432315][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.443056][ T8451] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.462017][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.469394][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.484518][ T8451] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.503404][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.523609][ T4859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.533318][ T4859] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.542390][ T4859] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.554334][ T8451] device veth0_vlan entered promiscuous mode [ 73.566103][ T8451] device veth1_vlan entered promiscuous mode [ 73.586269][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.594509][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.603390][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.615781][ T8451] device veth0_macvtap entered promiscuous mode [ 73.624999][ T8451] device veth1_macvtap entered promiscuous mode [ 73.642370][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 73.653405][ T8451] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.661736][ T8769] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.673119][ T8769] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.683929][ T8451] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.693389][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.702379][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.714463][ T8451] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.723370][ T8451] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.733546][ T8451] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 73.742331][ T8451] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.790519][ T8451] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 73.798374][ T8451] #PF: supervisor instruction fetch in kernel mode [ 73.804856][ T8451] #PF: error_code(0x0010) - not-present page [ 73.810808][ T8451] PGD 17614067 P4D 17614067 PUD 20fd2067 PMD 0 [ 73.817040][ T8451] Oops: 0010 [#1] PREEMPT SMP KASAN [ 73.822216][ T8451] CPU: 0 PID: 8451 Comm: syz-executor815 Not tainted 5.14.0-rc4-syzkaller #0 [ 73.830958][ T8451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.840996][ T8451] RIP: 0010:0x0 [ 73.844442][ T8451] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 73.852129][ T8451] RSP: 0018:ffffc9000112f560 EFLAGS: 00010246 [ 73.858187][ T8451] RAX: 0000000000000000 RBX: ffffc9000112f678 RCX: 0000000000000000 [ 73.866140][ T8451] RDX: ffff8880153c0000 RSI: 0000000000000001 RDI: ffff888145f0f010 [ 73.874105][ T8451] RBP: ffff888145f0f010 R08: 0000000000000001 R09: 0000000000000001 [ 73.882068][ T8451] R10: ffffffff87306778 R11: 0000000000000000 R12: ffff8880281b3000 [ 73.890036][ T8451] R13: 1ffff92000225eb0 R14: ffffc9000112f698 R15: 0000000000000001 [ 73.898017][ T8451] FS: 0000000001a4a300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 73.906958][ T8451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.913543][ T8451] CR2: ffffffffffffffd6 CR3: 000000001c312000 CR4: 00000000001506f0 [ 73.921514][ T8451] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.929576][ T8451] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.937561][ T8451] Call Trace: [ 73.940842][ T8451] devlink_nl_cmd_port_set_doit+0x1e3/0xaf0 [ 73.946763][ T8451] ? devlink_port_notify+0x1c0/0x1c0 [ 73.952047][ T8451] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.958282][ T8451] ? devlink_get_from_attrs+0x223/0x2f0 [ 73.963824][ T8451] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 73.970060][ T8451] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 73.976309][ T8451] ? devlink_nl_pre_doit+0x1ba/0xa00 [ 73.981596][ T8451] genl_family_rcv_msg_doit+0x228/0x320 [ 73.987148][ T8451] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 73.994547][ T8451] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.000798][ T8451] ? ns_capable+0xd9/0x100 [ 74.005217][ T8451] genl_rcv_msg+0x328/0x580 [ 74.009734][ T8451] ? genl_get_cmd+0x480/0x480 [ 74.014417][ T8451] ? devlink_port_notify+0x1c0/0x1c0 [ 74.019704][ T8451] ? lock_release+0x720/0x720 [ 74.024377][ T8451] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 74.029658][ T8451] netlink_rcv_skb+0x153/0x420 [ 74.034511][ T8451] ? genl_get_cmd+0x480/0x480 [ 74.039207][ T8451] ? netlink_ack+0xa60/0xa60 [ 74.043799][ T8451] ? netlink_deliver_tap+0x1b1/0xc30 [ 74.049089][ T8451] genl_rcv+0x24/0x40 [ 74.053067][ T8451] netlink_unicast+0x533/0x7d0 [ 74.057836][ T8451] ? netlink_attachskb+0x890/0x890 [ 74.062972][ T8451] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 74.069213][ T8451] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 74.075447][ T8451] ? __phys_addr_symbol+0x2c/0x70 [ 74.080468][ T8451] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 74.086183][ T8451] ? __check_object_size+0x16e/0x3f0 [ 74.091479][ T8451] netlink_sendmsg+0x86d/0xdb0 [ 74.096244][ T8451] ? netlink_unicast+0x7d0/0x7d0 [ 74.101184][ T8451] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.107423][ T8451] ? netlink_unicast+0x7d0/0x7d0 [ 74.112360][ T8451] sock_sendmsg+0xcf/0x120 [ 74.116770][ T8451] ____sys_sendmsg+0x6e8/0x810 [ 74.121529][ T8451] ? kernel_sendmsg+0x50/0x50 [ 74.126199][ T8451] ? do_recvmmsg+0x6d0/0x6d0 [ 74.130784][ T8451] ? lock_chain_count+0x20/0x20 [ 74.135628][ T8451] ? stack_trace_consume_entry+0x160/0x160 [ 74.141433][ T8451] ___sys_sendmsg+0xf3/0x170 [ 74.146025][ T8451] ? sendmsg_copy_msghdr+0x160/0x160 [ 74.151312][ T8451] ? __lock_acquire+0x162f/0x54a0 [ 74.156419][ T8451] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 74.162389][ T8451] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 74.168379][ T8451] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.174614][ T8451] ? __fget_light+0x215/0x280 [ 74.179297][ T8451] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 74.185542][ T8451] __sys_sendmsg+0xe5/0x1b0 [ 74.190060][ T8451] ? __sys_sendmsg_sock+0x30/0x30 [ 74.195088][ T8451] ? syscall_enter_from_user_mode+0x21/0x70 [ 74.200997][ T8451] do_syscall_64+0x35/0xb0 [ 74.205414][ T8451] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 74.211313][ T8451] RIP: 0033:0x443269 [ 74.215203][ T8451] 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 [ 74.234807][ T8451] RSP: 002b:00007ffd82578d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 74.243219][ T8451] RAX: ffffffffffffffda RBX: 00007ffd82578d88 RCX: 0000000000443269 [ 74.251183][ T8451] RDX: 0000000000000000 RSI: 0000000020000440 RDI: 0000000000000003 [ 74.259147][ T8451] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 74.267108][ T8451] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd82578d90 [ 74.275080][ T8451] R13: 00007ffd82578db0 R14: 00000000004b8018 R15: 00000000004004b8 [ 74.283052][ T8451] Modules linked in: [ 74.286943][ T8451] CR2: 0000000000000000 [ 74.291088][ T8451] ---[ end trace 0cf7ab3e0b48b4be ]--- [ 74.296703][ T8451] RIP: 0010:0x0 [ 74.300167][ T8451] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 74.307869][ T8451] RSP: 0018:ffffc9000112f560 EFLAGS: 00010246 [ 74.313927][ T8451] RAX: 0000000000000000 RBX: ffffc9000112f678 RCX: 0000000000000000 [ 74.321891][ T8451] RDX: ffff8880153c0000 RSI: 0000000000000001 RDI: ffff888145f0f010 [ 74.329853][ T8451] RBP: ffff888145f0f010 R08: 0000000000000001 R09: 0000000000000001 [ 74.337818][ T8451] R10: ffffffff87306778 R11: 0000000000000000 R12: ffff8880281b3000 [ 74.345782][ T8451] R13: 1ffff92000225eb0 R14: ffffc9000112f698 R15: 0000000000000001 [ 74.353750][ T8451] FS: 0000000001a4a300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 74.362677][ T8451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.369256][ T8451] CR2: ffffffffffffffd6 CR3: 000000001c312000 CR4: 00000000001506f0 [ 74.377222][ T8451] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.385184][ T8451] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.393150][ T8451] Kernel panic - not syncing: Fatal exception [ 74.400713][ T8451] Kernel Offset: disabled [ 74.405022][ T8451] Rebooting in 86400 seconds..