Warning: Permanently added '10.128.0.130' (ECDSA) to the list of known hosts. syzkaller login: [ 63.260995][ T6824] IPVS: ftp: loaded support on port[0] = 21 [ 63.429592][ T6824] chnl_net:caif_netlink_parms(): no params data found [ 63.481761][ T6824] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.489179][ T6824] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.496811][ T6824] device bridge_slave_0 entered promiscuous mode [ 63.506525][ T6824] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.514625][ T6824] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.522989][ T6824] device bridge_slave_1 entered promiscuous mode [ 63.543027][ T6824] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.553974][ T6824] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.576443][ T6824] team0: Port device team_slave_0 added [ 63.583855][ T6824] team0: Port device team_slave_1 added [ 63.602232][ T6824] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.609217][ T6824] 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. [ 63.635920][ T6824] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.649680][ T6824] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.656633][ T6824] 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. [ 63.683331][ T6824] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.711064][ T6824] device hsr_slave_0 entered promiscuous mode [ 63.718329][ T6824] device hsr_slave_1 entered promiscuous mode [ 63.814498][ T6824] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.824235][ T6824] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.840978][ T6824] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.850293][ T6824] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.876305][ T6824] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.883469][ T6824] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.891324][ T6824] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.898478][ T6824] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.945312][ T6824] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.961501][ T2583] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.972330][ T2583] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.980806][ T2583] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.990050][ T2583] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 64.003134][ T6824] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.014560][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.023603][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.030725][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.049352][ T2583] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.058206][ T2583] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.065235][ T2583] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.089224][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.099383][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.108098][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.116321][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.128617][ T6824] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.137248][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.153746][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.161383][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.175310][ T6824] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.194545][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.214827][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.223868][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.232159][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.242801][ T6824] device veth0_vlan entered promiscuous mode [ 64.255336][ T6824] device veth1_vlan entered promiscuous mode [ 64.276803][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.286255][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.295090][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.306814][ T6824] device veth0_macvtap entered promiscuous mode [ 64.317299][ T6824] device veth1_macvtap entered promiscuous mode [ 64.335576][ T6824] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.343451][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.354988][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.366502][ T6824] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.375972][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program executing program [ 64.386200][ T6824] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.395622][ T6824] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.404742][ T6824] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.413562][ T6824] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program executing program executing program executing program [ 64.503730][ T7063] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 64.515465][ T7063] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 64.523857][ T7063] CPU: 1 PID: 7063 Comm: syz-executor294 Not tainted 5.9.0-rc2-next-20200828-syzkaller #0 [ 64.533719][ T7063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.543769][ T7063] RIP: 0010:fq_codel_enqueue+0x8a3/0x10c0 [ 64.549481][ T7063] Code: 63 cd 07 fb 45 39 ec 0f 83 cb 00 00 00 e8 55 d1 07 fb 48 8b 44 24 10 80 38 00 0f 85 32 06 00 00 49 8b 07 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 06 06 00 00 48 8b 10 48 8d 78 28 49 89 17 48 [ 64.569389][ T7063] RSP: 0018:ffffc90001b17680 EFLAGS: 00010246 [ 64.575433][ T7063] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff866caa9b [ 64.583388][ T7063] RDX: 0000000000000000 RSI: ffffffff866cab3b RDI: 0000000000000004 [ 64.591471][ T7063] RBP: ffffc90001b17820 R08: 0000000000000001 R09: ffffffff8c6a5aaf [ 64.599436][ T7063] R10: 0000000000000400 R11: 0000000000088598 R12: 0000000000000400 [ 64.607383][ T7063] R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888084d20000 [ 64.615346][ T7063] FS: 00007f3bb769f700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 64.624246][ T7063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.630821][ T7063] CR2: 00000000200001c0 CR3: 00000000a7c7c000 CR4: 00000000001506e0 [ 64.639119][ T7063] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.647087][ T7063] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.655038][ T7063] Call Trace: [ 64.658331][ T7063] ? do_raw_spin_lock+0x120/0x2b0 [ 64.663331][ T7063] ? INET_ECN_set_ce+0x780/0x780 [ 64.668260][ T7063] ? rwlock_bug.part.0+0x90/0x90 [ 64.673189][ T7063] __dev_queue_xmit+0x1878/0x2d60 [ 64.678210][ T7063] ? lock_acquire+0x1f1/0xad0 [ 64.682863][ T7063] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 64.688123][ T7063] ? memcpy+0x39/0x60 [ 64.692080][ T7063] ? memcpy+0x39/0x60 [ 64.696037][ T7063] ? __skb_clone+0x586/0x770 [ 64.700623][ T7063] netlink_deliver_tap+0x92e/0xb70 [ 64.705709][ T7063] netlink_unicast+0x5e5/0x7d0 [ 64.710452][ T7063] ? netlink_attachskb+0x810/0x810 [ 64.715550][ T7063] ? _copy_from_iter_full+0x247/0x890 [ 64.721852][ T7063] ? memset+0x20/0x40 [ 64.725822][ T7063] ? __check_object_size+0x30/0x3e4 [ 64.731009][ T7063] netlink_sendmsg+0x856/0xd90 [ 64.735748][ T7063] ? netlink_unicast+0x7d0/0x7d0 [ 64.740661][ T7063] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 64.745932][ T7063] ? netlink_unicast+0x7d0/0x7d0 [ 64.750863][ T7063] sock_sendmsg+0xcf/0x120 [ 64.755269][ T7063] ____sys_sendmsg+0x6e8/0x810 [ 64.760011][ T7063] ? kernel_sendmsg+0x50/0x50 [ 64.764673][ T7063] ? do_recvmmsg+0x6d0/0x6d0 [ 64.769241][ T7063] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 64.775194][ T7063] ___sys_sendmsg+0xf3/0x170 [ 64.779759][ T7063] ? sendmsg_copy_msghdr+0x160/0x160 [ 64.785021][ T7063] ? __fget_files+0x272/0x400 [ 64.789692][ T7063] ? lock_downgrade+0x830/0x830 [ 64.794521][ T7063] ? __fget_files+0x294/0x400 [ 64.799176][ T7063] ? __fget_light+0xea/0x280 [ 64.803755][ T7063] __sys_sendmsg+0xe5/0x1b0 [ 64.808250][ T7063] ? __sys_sendmsg_sock+0xb0/0xb0 [ 64.813252][ T7063] ? trace_hardirqs_on+0x5f/0x220 [ 64.818269][ T7063] ? lockdep_hardirqs_on+0x76/0xf0 [ 64.823354][ T7063] do_syscall_64+0x2d/0x70 [ 64.827763][ T7063] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.833644][ T7063] RIP: 0033:0x44aab9 [ 64.837516][ T7063] Code: e8 dc 0f 03 00 48 83 c4 18 c3 0f 1f 80 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 0f 83 1b 06 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 64.857108][ T7063] RSP: 002b:00007f3bb769ece8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 64.865516][ T7063] RAX: ffffffffffffffda RBX: 00000000006e0c58 RCX: 000000000044aab9 [ 64.873476][ T7063] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 64.881440][ T7063] RBP: 00000000006e0c50 R08: 00007f3bb769f700 R09: 0000000000000000 [ 64.889388][ T7063] R10: 00007f3bb769f700 R11: 0000000000000246 R12: 00000000006e0c5c [ 64.897348][ T7063] R13: 00007ffd6b51695f R14: 00007f3bb769f9c0 R15: 00000000006e0c5c [ 64.905293][ T7063] Modules linked in: [ 64.909219][ T7063] ---[ end trace 0421439c10ffaa86 ]--- [ 64.914663][ T7063] RIP: 0010:fq_codel_enqueue+0x8a3/0x10c0 [ 64.920377][ T7063] Code: 63 cd 07 fb 45 39 ec 0f 83 cb 00 00 00 e8 55 d1 07 fb 48 8b 44 24 10 80 38 00 0f 85 32 06 00 00 49 8b 07 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 06 06 00 00 48 8b 10 48 8d 78 28 49 89 17 48 [ 64.939988][ T7063] RSP: 0018:ffffc90001b17680 EFLAGS: 00010246 [ 64.946036][ T7063] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff866caa9b [ 64.954034][ T7063] RDX: 0000000000000000 RSI: ffffffff866cab3b RDI: 0000000000000004 [ 64.962019][ T7063] RBP: ffffc90001b17820 R08: 0000000000000001 R09: ffffffff8c6a5aaf [ 64.970007][ T7063] R10: 0000000000000400 R11: 0000000000088598 R12: 0000000000000400 [ 64.977979][ T7063] R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888084d20000 [ 64.985947][ T7063] FS: 00007f3bb769f700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 64.994884][ T7063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.001482][ T7063] CR2: 00000000200001c0 CR3: 00000000a7c7c000 CR4: 00000000001506e0 [ 65.010086][ T7063] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.018078][ T7063] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.026034][ T7063] Kernel panic - not syncing: Fatal exception in interrupt [ 65.034372][ T7063] Kernel Offset: disabled [ 65.038708][ T7063] Rebooting in 86400 seconds..