DUID 00:04:79:1d:56:62:bc:67:69:7e:f5:c2:9b:6f:b3:f3:7d:3d forked to background, child pid 3182 [ 30.952851][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0 [ 30.963095][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.10' (ECDSA) to the list of known hosts. syzkaller login: [ 58.978435][ T3598] chnl_net:caif_netlink_parms(): no params data found [ 59.022279][ T3598] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.029775][ T3598] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.037962][ T3598] device bridge_slave_0 entered promiscuous mode [ 59.047157][ T3598] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.054521][ T3598] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.062154][ T3598] device bridge_slave_1 entered promiscuous mode [ 59.083188][ T3598] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.094848][ T3598] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.117208][ T3598] team0: Port device team_slave_0 added [ 59.124844][ T3598] team0: Port device team_slave_1 added [ 59.142127][ T3598] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.149318][ T3598] 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. [ 59.149375][ T3598] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.152269][ T3598] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.193107][ T3598] 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. [ 59.219351][ T3598] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.244583][ T3598] device hsr_slave_0 entered promiscuous mode [ 59.251554][ T3598] device hsr_slave_1 entered promiscuous mode [ 59.333403][ T3598] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.345713][ T3598] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.355741][ T3598] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.364677][ T3598] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.386657][ T3598] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.393997][ T3598] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.401778][ T3598] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.408868][ T3598] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.450304][ T3598] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.461733][ T135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.471481][ T135] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.480802][ T135] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.489104][ T135] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 59.502079][ T3598] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.513255][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.521653][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.528756][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.540898][ T3604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.550036][ T3604] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.557371][ T3604] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.575924][ T135] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.585409][ T135] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.595722][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.610261][ T3598] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.621592][ T3598] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.634709][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.643968][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.652350][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.668883][ T135] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.676962][ T135] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.688584][ T3598] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.713973][ T3604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.723082][ T3604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.731280][ T3604] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.739376][ T3604] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.748111][ T3598] device veth0_vlan entered promiscuous mode [ 59.759597][ T3598] device veth1_vlan entered promiscuous mode [ 59.776842][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.786239][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.794819][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.806337][ T3598] device veth0_macvtap entered promiscuous mode [ 59.815285][ T3598] device veth1_macvtap entered promiscuous mode [ 59.829821][ T3598] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.837970][ T135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.847522][ T135] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.859214][ T3598] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.868153][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 59.879233][ T3598] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.888651][ T3598] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.897901][ T3598] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.907254][ T3598] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 63.858560][ C0] skbuff: skb_over_panic: text:ffffffff88236738 len:4096 put:4096 head:ffff888021edbc00 data:ffff888021edbc00 tail:0x1000 end:0xc0 dev: [ 63.874000][ C0] ------------[ cut here ]------------ [ 63.879483][ C0] kernel BUG at net/core/skbuff.c:113! [ 63.885040][ C0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 63.891115][ C0] CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted 5.16.0-rc7-syzkaller #0 [ 63.899364][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.909425][ C0] RIP: 0010:skb_panic+0x16c/0x16e [ 63.914493][ C0] 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 79 24 c2 ff <0f> 0b e8 7f 82 38 f8 4c 8b 64 24 18 e8 15 34 7f f8 48 c7 c1 80 58 [ 63.934213][ C0] RSP: 0018:ffffc90000d279e0 EFLAGS: 00010286 [ 63.940304][ C0] RAX: 000000000000008b RBX: ffff88801edc08c0 RCX: 0000000000000000 [ 63.948286][ C0] RDX: ffff888010e80000 RSI: ffffffff815f0948 RDI: fffff520001a4f2e [ 63.956267][ C0] RBP: ffffffff8aad58c0 R08: 000000000000008b R09: 0000000000000000 [ 63.964248][ C0] R10: ffffffff815ea6ee R11: 0000000000000000 R12: ffffffff88236738 [ 63.972230][ C0] R13: 0000000000001000 R14: ffffffff8aad4ba0 R15: 00000000000000c0 [ 63.980214][ C0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 63.989158][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.995756][ C0] CR2: 0000000020000040 CR3: 0000000074819000 CR4: 00000000003506f0 [ 64.003739][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.011718][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.019703][ C0] Call Trace: [ 64.022980][ C0] [ 64.025912][ C0] ? isotp_rcv+0xa38/0x1e30 [ 64.030431][ C0] skb_put.cold+0x24/0x24 [ 64.034771][ C0] isotp_rcv+0xa38/0x1e30 [ 64.039120][ C0] ? isotp_send_fc.isra.0+0xb20/0xb20 [ 64.044512][ C0] can_rcv_filter+0x445/0x8d0 [ 64.049201][ C0] can_receive+0x31d/0x580 [ 64.053639][ C0] can_rcv+0x120/0x1c0 [ 64.057711][ C0] ? can_receive+0x580/0x580 [ 64.062315][ C0] __netif_receive_skb_one_core+0x114/0x180 [ 64.068226][ C0] ? __netif_receive_skb_core+0x3770/0x3770 [ 64.074138][ C0] ? process_backlog+0x12a/0x6c0 [ 64.079091][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 64.083951][ C0] ? do_raw_spin_lock+0x120/0x2b0 [ 64.088987][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 64.093940][ C0] __netif_receive_skb+0x24/0x1b0 [ 64.098980][ C0] process_backlog+0x2a5/0x6c0 [ 64.103765][ C0] __napi_poll+0xaf/0x440 [ 64.108113][ C0] net_rx_action+0x801/0xb40 [ 64.112717][ C0] ? napi_threaded_poll+0x520/0x520 [ 64.117924][ C0] ? sched_clock_cpu+0x15/0x1f0 [ 64.122793][ C0] __do_softirq+0x29b/0x9c2 [ 64.127307][ C0] ? __irq_exit_rcu+0x180/0x180 [ 64.132173][ C0] run_ksoftirqd+0x2d/0x60 [ 64.136604][ C0] smpboot_thread_fn+0x645/0x9c0 [ 64.141565][ C0] ? __smpboot_create_thread.part.0+0x370/0x370 [ 64.147826][ C0] kthread+0x405/0x4f0 [ 64.151922][ C0] ? set_kthread_struct+0x130/0x130 [ 64.157138][ C0] ret_from_fork+0x1f/0x30 [ 64.161588][ C0] [ 64.164602][ C0] Modules linked in: [ 64.168527][ C0] ---[ end trace 42df7c8635a04c9a ]--- [ 64.173999][ C0] RIP: 0010:skb_panic+0x16c/0x16e [ 64.179039][ C0] 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 79 24 c2 ff <0f> 0b e8 7f 82 38 f8 4c 8b 64 24 18 e8 15 34 7f f8 48 c7 c1 80 58 [ 64.198681][ C0] RSP: 0018:ffffc90000d279e0 EFLAGS: 00010286 [ 64.204784][ C0] RAX: 000000000000008b RBX: ffff88801edc08c0 RCX: 0000000000000000 [ 64.212786][ C0] RDX: ffff888010e80000 RSI: ffffffff815f0948 RDI: fffff520001a4f2e [ 64.220771][ C0] RBP: ffffffff8aad58c0 R08: 000000000000008b R09: 0000000000000000 [ 64.228773][ C0] R10: ffffffff815ea6ee R11: 0000000000000000 R12: ffffffff88236738 [ 64.236766][ C0] R13: 0000000000001000 R14: ffffffff8aad4ba0 R15: 00000000000000c0 [ 64.244751][ C0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 64.253884][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.260457][ C0] CR2: 0000000020000040 CR3: 0000000074819000 CR4: 00000000003506f0 [ 64.268447][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.276440][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.284438][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 64.291886][ C0] Kernel Offset: disabled [ 64.296199][ C0] Rebooting in 86400 seconds..