Warning: Permanently added '10.128.0.228' (ECDSA) to the list of known hosts. syzkaller login: [ 68.631637][ T8428] chnl_net:caif_netlink_parms(): no params data found [ 68.682763][ T8428] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.690229][ T8428] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.698989][ T8428] device bridge_slave_0 entered promiscuous mode [ 68.708166][ T8428] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.715268][ T8428] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.723791][ T8428] device bridge_slave_1 entered promiscuous mode [ 68.741286][ T8428] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.751785][ T8428] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.771719][ T8428] team0: Port device team_slave_0 added [ 68.779308][ T8428] team0: Port device team_slave_1 added [ 68.795235][ T8428] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 68.802332][ T8428] 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. [ 68.828956][ T8428] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 68.841481][ T8428] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 68.848628][ T8428] 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. [ 68.874991][ T8428] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 68.900855][ T8428] device hsr_slave_0 entered promiscuous mode [ 68.907479][ T8428] device hsr_slave_1 entered promiscuous mode [ 69.001117][ T8428] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.013814][ T8428] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.022226][ T8428] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.033666][ T8428] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.057730][ T8428] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.065013][ T8428] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.072696][ T8428] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.079829][ T8428] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.119852][ T8428] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.133569][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.144355][ T36] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.153176][ T36] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.161381][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 69.174441][ T8428] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.185696][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.194542][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.201763][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.213469][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.221887][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.228973][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.248976][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.257883][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.267508][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.281895][ T8428] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.293622][ T8428] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.307519][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.316180][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.334705][ T8428] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.342285][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.349750][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.357278][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.376439][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.396383][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.404635][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.412609][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.421060][ T8428] device veth0_vlan entered promiscuous mode [ 69.433406][ T8428] device veth1_vlan entered promiscuous mode [ 69.452287][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.460656][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.469342][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 69.479982][ T8428] device veth0_macvtap entered promiscuous mode [ 69.491155][ T8428] device veth1_macvtap entered promiscuous mode [ 69.505215][ T8428] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 69.514202][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 69.523385][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 69.534359][ T8428] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 69.543024][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 69.554579][ T8428] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.563528][ T8428] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.574648][ T8428] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.585741][ T8428] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program executing program executing program executing program executing program [ 69.677225][ T8668] divide error: 0000 [#1] PREEMPT SMP KASAN [ 69.683145][ T8668] CPU: 0 PID: 8668 Comm: syz-executor878 Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 [ 69.693101][ T8668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.703141][ T8668] RIP: 0010:netem_enqueue+0x1474/0x3550 [ 69.708689][ T8668] Code: 74 1f 4c 89 44 24 20 89 4c 24 18 89 44 24 10 e8 02 2a 7e fa 4c 8b 44 24 20 8b 4c 24 18 8b 44 24 10 48 8b 34 24 31 d2 2b 4e 74 f1 48 b8 00 00 00 00 00 fc ff df 48 01 d3 48 89 d9 48 c1 e9 03 [ 69.728288][ T8668] RSP: 0018:ffffc90001e7f670 EFLAGS: 00010246 [ 69.734333][ T8668] RAX: 00000000cb79eb60 RBX: ffff88801f679000 RCX: 0000000000000000 [ 69.742285][ T8668] RDX: 0000000000000000 RSI: ffff888021b42000 RDI: ffff888021b42074 [ 69.750232][ T8668] RBP: ffff8880370a4330 R08: ffff888021b420d0 R09: 0000000000000000 [ 69.758181][ T8668] R10: ffffffff83cf218d R11: 0000000000000000 R12: 0000000000000001 [ 69.766144][ T8668] R13: 0000000000000080 R14: ffff8880370a4000 R15: 0000000000000000 [ 69.774116][ T8668] FS: 00007fd2328c2700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 69.783043][ T8668] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.789628][ T8668] CR2: 00000000200001c0 CR3: 00000000124f5000 CR4: 00000000001506f0 [ 69.797585][ T8668] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.805562][ T8668] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.813512][ T8668] Call Trace: [ 69.816780][ T8668] ? lock_release+0x720/0x720 [ 69.821442][ T8668] ? netem_dump+0x1120/0x1120 [ 69.826106][ T8668] ? rwlock_bug.part.0+0x90/0x90 [ 69.831024][ T8668] __dev_queue_xmit+0x1845/0x3150 [ 69.836036][ T8668] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 69.841304][ T8668] ? memcpy+0x39/0x60 [ 69.845262][ T8668] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 69.851480][ T8668] ? memcpy+0x39/0x60 [ 69.855437][ T8668] ? __skb_clone+0x586/0x770 [ 69.860008][ T8668] netlink_deliver_tap+0x9b5/0xbc0 [ 69.865113][ T8668] netlink_unicast+0x5e5/0x7d0 [ 69.869870][ T8668] ? netlink_attachskb+0x870/0x870 [ 69.874960][ T8668] ? __build_skb_around+0x23e/0x2f0 [ 69.880153][ T8668] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 69.886375][ T8668] ? __check_object_size+0x2d/0x3f0 [ 69.891563][ T8668] netlink_sendmsg+0x84c/0xd90 [ 69.896308][ T8668] ? netlink_unicast+0x7d0/0x7d0 [ 69.901237][ T8668] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.907457][ T8668] ? netlink_unicast+0x7d0/0x7d0 [ 69.912376][ T8668] sock_sendmsg+0xcf/0x120 [ 69.916772][ T8668] ____sys_sendmsg+0x6e8/0x810 [ 69.921519][ T8668] ? kernel_sendmsg+0x50/0x50 [ 69.926182][ T8668] ? do_recvmmsg+0x6d0/0x6d0 [ 69.930771][ T8668] ? lock_chain_count+0x20/0x20 [ 69.935690][ T8668] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 69.941650][ T8668] ___sys_sendmsg+0xf3/0x170 [ 69.946236][ T8668] ? sendmsg_copy_msghdr+0x160/0x160 [ 69.951512][ T8668] ? __fget_files+0x21b/0x3e0 [ 69.956172][ T8668] ? lock_downgrade+0x6e0/0x6e0 [ 69.961010][ T8668] ? __fget_files+0x23d/0x3e0 [ 69.965676][ T8668] ? __fget_light+0xea/0x280 [ 69.970253][ T8668] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 69.976477][ T8668] __sys_sendmsg+0xe5/0x1b0 [ 69.980974][ T8668] ? __sys_sendmsg_sock+0x30/0x30 [ 69.985993][ T8668] ? syscall_enter_from_user_mode+0x21/0x70 [ 69.991950][ T8668] do_syscall_64+0x31/0xb0 [ 69.996363][ T8668] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 70.002291][ T8668] RIP: 0033:0x44aa49 [ 70.006169][ T8668] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 15 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 70.025991][ T8668] RSP: 002b:00007fd2328c2318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 70.034397][ T8668] RAX: ffffffffffffffda RBX: 00000000004d04e8 RCX: 000000000044aa49 [ 70.042382][ T8668] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000004 [ 70.050336][ T8668] RBP: 00000000004d04e0 R08: 0000000000000000 R09: 0000000000000000 [ 70.058287][ T8668] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000049f4d4 [ 70.066242][ T8668] R13: 00007ffdccc99e7f R14: 00007fd2328c2400 R15: 0000000000022000 [ 70.074202][ T8668] Modules linked in: [ 70.078117][ T8668] ---[ end trace b8ed53e8a4f8e9de ]--- [ 70.083572][ T8668] RIP: 0010:netem_enqueue+0x1474/0x3550 [ 70.089122][ T8668] Code: 74 1f 4c 89 44 24 20 89 4c 24 18 89 44 24 10 e8 02 2a 7e fa 4c 8b 44 24 20 8b 4c 24 18 8b 44 24 10 48 8b 34 24 31 d2 2b 4e 74 f1 48 b8 00 00 00 00 00 fc ff df 48 01 d3 48 89 d9 48 c1 e9 03 [ 70.108737][ T8668] RSP: 0018:ffffc90001e7f670 EFLAGS: 00010246 [ 70.114805][ T8668] RAX: 00000000cb79eb60 RBX: ffff88801f679000 RCX: 0000000000000000 [ 70.122771][ T8668] RDX: 0000000000000000 RSI: ffff888021b42000 RDI: ffff888021b42074 [ 70.130827][ T8668] RBP: ffff8880370a4330 R08: ffff888021b420d0 R09: 0000000000000000 [ 70.138900][ T8668] R10: ffffffff83cf218d R11: 0000000000000000 R12: 0000000000000001 [ 70.146865][ T8668] R13: 0000000000000080 R14: ffff8880370a4000 R15: 0000000000000000 [ 70.154848][ T8668] FS: 00007fd2328c2700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 70.163812][ T8668] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.170400][ T8668] CR2: 00000000200001c0 CR3: 00000000124f5000 CR4: 00000000001506f0 [ 70.178369][ T8668] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.186335][ T8668] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.194344][ T8668] Kernel panic - not syncing: Fatal exception in interrupt [ 70.202308][ T8668] Kernel Offset: disabled [ 70.206625][ T8668] Rebooting in 86400 seconds..