DUID 00:04:66:e4:01:83:27:57:c7:2c:b4:77:89:67:fd:32:a2:9b forked to background, child pid 3182 [ 31.352677][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.378185][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.55' (ECDSA) to the list of known hosts. syzkaller login: [ 55.262323][ T3604] chnl_net:caif_netlink_parms(): no params data found [ 55.303470][ T3604] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.311049][ T3604] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.319257][ T3604] device bridge_slave_0 entered promiscuous mode [ 55.328606][ T3604] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.335715][ T3604] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.343611][ T3604] device bridge_slave_1 entered promiscuous mode [ 55.362872][ T3604] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.374371][ T3604] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.397213][ T3604] team0: Port device team_slave_0 added [ 55.404329][ T3604] team0: Port device team_slave_1 added [ 55.420614][ T3604] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.427598][ T3604] 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. [ 55.453514][ T3604] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.466166][ T3604] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.473185][ T3604] 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. [ 55.499276][ T3604] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.524908][ T3604] device hsr_slave_0 entered promiscuous mode [ 55.532143][ T3604] device hsr_slave_1 entered promiscuous mode [ 55.611538][ T3604] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.623394][ T3604] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.632313][ T3604] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.642566][ T3604] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.663747][ T3604] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.670931][ T3604] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.678769][ T3604] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.685821][ T3604] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.727840][ T3604] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.740035][ T922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.750978][ T922] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.759474][ T922] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.767250][ T922] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 55.780705][ T3604] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.792073][ T3611] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.800477][ T3611] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.807666][ T3611] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.828512][ T3611] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.838360][ T3611] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.845430][ T3611] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.854272][ T3611] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.862783][ T3611] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.871957][ T3611] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.883269][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.895735][ T3611] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.906282][ T3604] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.923891][ T3611] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.931652][ T3611] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.945809][ T3604] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.962038][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.980373][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.989649][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.997629][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.006947][ T3604] device veth0_vlan entered promiscuous mode [ 56.018878][ T3604] device veth1_vlan entered promiscuous mode [ 56.036561][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 56.045829][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 56.054260][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.065793][ T3604] device veth0_macvtap entered promiscuous mode [ 56.074969][ T3604] device veth1_macvtap entered promiscuous mode [ 56.089998][ T3604] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.098931][ T3611] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.108352][ T3611] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 56.120159][ T3604] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.127958][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 56.139109][ T3604] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.148882][ T3604] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.158419][ T3604] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.167105][ T3604] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 58.296749][ C1] skbuff: skb_over_panic: text:ffffffff88235fb8 len:4096 put:4096 head:ffff888021cb8400 data:ffff888021cb8400 tail:0x1000 end:0xc0 dev: [ 58.312283][ C1] ------------[ cut here ]------------ [ 58.317924][ C1] kernel BUG at net/core/skbuff.c:113! [ 58.323397][ C1] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 58.329468][ C1] CPU: 1 PID: 19 Comm: ksoftirqd/1 Not tainted 5.16.0-rc8-syzkaller #0 [ 58.337727][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.347868][ C1] RIP: 0010:skb_panic+0x16c/0x16e [ 58.353107][ C1] Code: f8 4c 8b 4c 24 10 8b 4b 70 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 e0 4b ad 8a ff 74 24 10 ff 74 24 20 e8 6e 24 c2 ff <0f> 0b e8 74 92 38 f8 4c 8b 64 24 18 e8 da 47 7f f8 48 c7 c1 80 58 [ 58.372718][ C1] RSP: 0018:ffffc90000d979e0 EFLAGS: 00010286 [ 58.378867][ C1] RAX: 000000000000008b RBX: ffff888021ccb500 RCX: 0000000000000000 [ 58.386831][ C1] RDX: ffff88801196d700 RSI: ffffffff815f0948 RDI: fffff520001b2f2e [ 58.394793][ C1] RBP: ffffffff8aad58c0 R08: 000000000000008b R09: 0000000000000000 [ 58.402753][ C1] R10: ffffffff815ea6ee R11: 0000000000000000 R12: ffffffff88235fb8 [ 58.410721][ C1] R13: 0000000000001000 R14: ffffffff8aad4ba0 R15: 00000000000000c0 [ 58.418682][ C1] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 58.427609][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.434186][ C1] CR2: 00007f886c8cc718 CR3: 000000007ad6d000 CR4: 00000000003506e0 [ 58.442156][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.450120][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.458081][ C1] Call Trace: [ 58.461348][ C1] [ 58.464270][ C1] ? isotp_rcv+0xa38/0x1e30 [ 58.468777][ C1] skb_put.cold+0x24/0x24 [ 58.473107][ C1] isotp_rcv+0xa38/0x1e30 [ 58.477530][ C1] ? isotp_send_fc.isra.0+0xb20/0xb20 [ 58.482904][ C1] can_rcv_filter+0x445/0x8d0 [ 58.487587][ C1] can_receive+0x31d/0x580 [ 58.492008][ C1] can_rcv+0x120/0x1c0 [ 58.496090][ C1] ? can_receive+0x580/0x580 [ 58.500676][ C1] __netif_receive_skb_one_core+0x114/0x180 [ 58.506581][ C1] ? __netif_receive_skb_core+0x3770/0x3770 [ 58.512473][ C1] ? process_backlog+0x12a/0x6c0 [ 58.517406][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 58.522262][ C1] ? note_gp_changes+0x150/0x1c0 [ 58.527206][ C1] __netif_receive_skb+0x24/0x1b0 [ 58.532227][ C1] process_backlog+0x2a5/0x6c0 [ 58.537022][ C1] __napi_poll+0xaf/0x440 [ 58.541352][ C1] net_rx_action+0x801/0xb40 [ 58.545943][ C1] ? napi_threaded_poll+0x520/0x520 [ 58.551165][ C1] ? trace_rcu_stall_warning+0x160/0x1b0 [ 58.556803][ C1] ? __pick_next_task_fair+0x10/0x10 [ 58.562090][ C1] __do_softirq+0x29b/0x9c2 [ 58.566589][ C1] ? __irq_exit_rcu+0x180/0x180 [ 58.571437][ C1] run_ksoftirqd+0x2d/0x60 [ 58.575851][ C1] smpboot_thread_fn+0x645/0x9c0 [ 58.580788][ C1] ? __smpboot_create_thread.part.0+0x370/0x370 [ 58.587030][ C1] kthread+0x405/0x4f0 [ 58.591095][ C1] ? set_kthread_struct+0x130/0x130 [ 58.596293][ C1] ret_from_fork+0x1f/0x30 [ 58.600711][ C1] [ 58.603718][ C1] Modules linked in: [ 58.607652][ C1] ---[ end trace 9f06028ec4daf4be ]--- [ 58.613121][ C1] RIP: 0010:skb_panic+0x16c/0x16e [ 58.618190][ C1] Code: f8 4c 8b 4c 24 10 8b 4b 70 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 e0 4b ad 8a ff 74 24 10 ff 74 24 20 e8 6e 24 c2 ff <0f> 0b e8 74 92 38 f8 4c 8b 64 24 18 e8 da 47 7f f8 48 c7 c1 80 58 [ 58.637939][ C1] RSP: 0018:ffffc90000d979e0 EFLAGS: 00010286 [ 58.644024][ C1] RAX: 000000000000008b RBX: ffff888021ccb500 RCX: 0000000000000000 [ 58.652311][ C1] RDX: ffff88801196d700 RSI: ffffffff815f0948 RDI: fffff520001b2f2e [ 58.660322][ C1] RBP: ffffffff8aad58c0 R08: 000000000000008b R09: 0000000000000000 [ 58.668328][ C1] R10: ffffffff815ea6ee R11: 0000000000000000 R12: ffffffff88235fb8 [ 58.676310][ C1] R13: 0000000000001000 R14: ffffffff8aad4ba0 R15: 00000000000000c0 [ 58.684313][ C1] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 58.693279][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.699897][ C1] CR2: 00007f886c8cc718 CR3: 000000007ad6d000 CR4: 00000000003506e0 [ 58.707905][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.715896][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.723905][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 58.731166][ C1] Kernel Offset: disabled [ 58.735580][ C1] Rebooting in 86400 seconds..