DUID 00:04:87:04:3c:41:30:05:a7:f7:d5:81:12:9d:2d:df:74:1f forked to background, child pid 3175 [ 26.756061][ T3176] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.772085][ T3176] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.57' (ECDSA) to the list of known hosts. syzkaller login: [ 47.960033][ T3591] chnl_net:caif_netlink_parms(): no params data found [ 48.001109][ T3591] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.009308][ T3591] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.017424][ T3591] device bridge_slave_0 entered promiscuous mode [ 48.026747][ T3591] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.034120][ T3591] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.041842][ T3591] device bridge_slave_1 entered promiscuous mode [ 48.061804][ T3591] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.072644][ T3591] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.095130][ T3591] team0: Port device team_slave_0 added [ 48.102957][ T3591] team0: Port device team_slave_1 added [ 48.119990][ T3591] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 48.127023][ T3591] 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. [ 48.152969][ T3591] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 48.165905][ T3591] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 48.172845][ T3591] 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. [ 48.198770][ T3591] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 48.225409][ T3591] device hsr_slave_0 entered promiscuous mode [ 48.233027][ T3591] device hsr_slave_1 entered promiscuous mode [ 48.313562][ T3591] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 48.324950][ T3591] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.333502][ T3591] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 48.342680][ T3591] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 48.362741][ T3591] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.369919][ T3591] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.377552][ T3591] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.384675][ T3591] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.429217][ T3591] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.441526][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.450918][ T2979] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.459452][ T2979] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.467777][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 48.481113][ T3591] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.492501][ T3597] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.501153][ T3597] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.508239][ T3597] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.518702][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.527847][ T2979] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.534950][ T2979] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.555402][ T3597] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.565789][ T3597] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.577578][ T3597] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.586698][ T3597] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.599518][ T3591] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 48.610611][ T3591] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.619951][ T3600] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.639874][ T3591] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.648201][ T3597] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.656406][ T3597] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.763966][ T3597] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.775461][ T3600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.784233][ T3600] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.791885][ T3600] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.802440][ T3591] device veth0_vlan entered promiscuous mode [ 48.813277][ T3591] device veth1_vlan entered promiscuous mode [ 48.832225][ T3598] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 48.840584][ T3598] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 48.848753][ T3598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.858564][ T3591] device veth0_macvtap entered promiscuous mode [ 48.868208][ T3591] device veth1_macvtap entered promiscuous mode [ 48.884707][ T3591] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 48.892185][ T3600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.901808][ T3600] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 48.912945][ T3591] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 48.921146][ T3598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.931685][ T3591] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.941934][ T3591] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.951116][ T3591] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 48.961134][ T3591] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.997498][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 49.009938][ C0] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN [ 49.021647][ C0] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 49.030133][ C0] CPU: 0 PID: 3591 Comm: syz-executor332 Not tainted 5.18.0-rc3-syzkaller-00225-g165e3e17fe8f #0 [ 49.040612][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.050649][ C0] RIP: 0010:tcp_create_openreq_child+0xe16/0x16b0 [ 49.057182][ C0] Code: 48 c1 ea 03 80 3c 02 00 0f 85 e5 07 00 00 4c 8b b3 28 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7e 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 c9 07 00 00 48 8b 3c 24 48 89 de 41 ff 56 08 48 [ 49.076860][ C0] RSP: 0018:ffffc900000075a8 EFLAGS: 00010202 [ 49.082907][ C0] RAX: dffffc0000000000 RBX: ffff88801b52e000 RCX: 0000000000000100 [ 49.090882][ C0] RDX: 0000000000000001 RSI: ffffffff87d67ff0 RDI: 0000000000000008 [ 49.098838][ C0] RBP: ffff8880241ebb38 R08: 0000000000000000 R09: 0000000000000000 [ 49.106810][ C0] R10: ffffffff87d67f00 R11: 0000000000000000 R12: ffff8880241eb300 [ 49.114773][ C0] R13: ffff888023c35268 R14: 0000000000000000 R15: 0000000000000000 [ 49.122737][ C0] FS: 00005555557c2300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 49.131672][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.138344][ C0] CR2: 0000000020000040 CR3: 000000001b2a9000 CR4: 00000000003506f0 [ 49.146309][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.154274][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.162233][ C0] Call Trace: [ 49.165504][ C0] [ 49.168345][ C0] tcp_v6_syn_recv_sock+0x199/0x23b0 [ 49.173633][ C0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 49.179867][ C0] ? xfrm_lookup_with_ifid+0xa6b/0x2240 [ 49.185412][ C0] ? tcp_v6_parse_md5_keys+0x7d0/0x7d0 [ 49.190865][ C0] ? ip6_finish_output2+0x14b0/0x1500 [ 49.196231][ C0] ? rcu_read_lock_sched_held+0x3a/0x70 [ 49.201770][ C0] ? kmem_cache_alloc+0x2ef/0x3b0 [ 49.206787][ C0] ? cookie_ecn_ok+0x54/0x140 [ 49.211455][ C0] tcp_get_cookie_sock+0xc9/0x850 [ 49.216475][ C0] ? cookie_ecn_ok+0x140/0x140 [ 49.221232][ C0] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 49.227462][ C0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 49.233692][ C0] ? tcp_select_initial_window+0x1e7/0x380 [ 49.239496][ C0] cookie_v6_check+0x15c3/0x2340 [ 49.244432][ C0] ? cookie_v6_init_sequence+0xf0/0xf0 [ 49.249884][ C0] ? sk_filter_trim_cap+0x372/0x9a0 [ 49.255079][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 49.259935][ C0] ? bpf_xdp_redirect+0x160/0x160 [ 49.264954][ C0] ? tcp_v6_do_rcv+0xff5/0x13b0 [ 49.269801][ C0] tcp_v6_do_rcv+0x1148/0x13b0 [ 49.274560][ C0] ? __sanitizer_cov_trace_const_cmp8+0x41/0x70 [ 49.280885][ C0] ? tcp_v6_fill_cb+0x393/0x4a0 [ 49.285730][ C0] tcp_v6_rcv+0x3305/0x3840 [ 49.290245][ C0] ? tcp_v6_err+0x1850/0x1850 [ 49.294918][ C0] ? rawv6_rcv+0x1290/0x1290 [ 49.299504][ C0] ip6_protocol_deliver_rcu+0x2e9/0x1900 [ 49.305132][ C0] ? batadv_hard_if_event.cold+0x40/0xb1 [ 49.310763][ C0] ip6_input_finish+0x14c/0x2c0 [ 49.315608][ C0] ip6_input+0x9c/0xd0 [ 49.319669][ C0] ipv6_rcv+0x27f/0x3b0 [ 49.323828][ C0] ? ip6_rcv_core+0x1c50/0x1c50 [ 49.328673][ C0] __netif_receive_skb_one_core+0x114/0x180 [ 49.334565][ C0] ? __netif_receive_skb_core+0x3a60/0x3a60 [ 49.340455][ C0] ? mark_held_locks+0x9f/0xe0 [ 49.345216][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 49.350153][ C0] __netif_receive_skb+0x24/0x1b0 [ 49.355172][ C0] process_backlog+0x3a0/0x7c0 [ 49.359930][ C0] ? mark_held_locks+0x9f/0xe0 [ 49.364794][ C0] __napi_poll+0xb3/0x6e0 [ 49.369136][ C0] net_rx_action+0x8ec/0xc60 [ 49.373730][ C0] ? napi_threaded_poll+0x520/0x520 [ 49.378935][ C0] __do_softirq+0x29b/0x9c2 [ 49.383446][ C0] do_softirq.part.0+0xde/0x130 [ 49.388308][ C0] [ 49.391226][ C0] [ 49.394146][ C0] ? ip6_finish_output2+0x58e/0x1500 [ 49.399430][ C0] __local_bh_enable_ip+0x102/0x120 [ 49.404622][ C0] ip6_finish_output2+0x5bc/0x1500 [ 49.409730][ C0] __ip6_finish_output+0x61e/0xe90 [ 49.414836][ C0] ip6_finish_output+0x32/0x280 [ 49.419691][ C0] ip6_output+0x1e4/0x530 [ 49.424023][ C0] ip6_xmit+0x11d4/0x1a50 [ 49.428352][ C0] ? ip6_sk_dst_lookup_flow+0x980/0x980 [ 49.433894][ C0] ? lock_release+0x720/0x720 [ 49.438574][ C0] ? inet6_csk_route_socket+0x6eb/0xf90 [ 49.444125][ C0] ? inet6_csk_route_req+0x7f0/0x7f0 [ 49.449411][ C0] ? find_held_lock+0x2d/0x110 [ 49.454177][ C0] ? inet6_csk_xmit+0x349/0x6c0 [ 49.459032][ C0] inet6_csk_xmit+0x3b1/0x6c0 [ 49.463717][ C0] ? inet6_csk_update_pmtu+0x180/0x180 [ 49.469293][ C0] ? __skb_clone+0x597/0x780 [ 49.473896][ C0] ? csum_ipv6_magic+0x1b/0x70 [ 49.478664][ C0] __tcp_transmit_skb+0x190e/0x38b0 [ 49.483867][ C0] ? __tcp_select_window+0xdb0/0xdb0 [ 49.489153][ C0] ? tcp_write_xmit+0x34/0x5fe0 [ 49.494007][ C0] ? lockdep_hardirqs_on+0x79/0x100 [ 49.499208][ C0] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 49.504920][ C0] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 49.510635][ C0] tcp_write_xmit+0xd93/0x5fe0 [ 49.515391][ C0] ? tcp_trim_head+0x5c0/0x5c0 [ 49.520154][ C0] __tcp_push_pending_frames+0xaa/0x390 [ 49.525694][ C0] tcp_send_fin+0x117/0xb70 [ 49.530189][ C0] __tcp_close+0xae7/0x12b0 [ 49.534688][ C0] tcp_close+0x29/0xc0 [ 49.538752][ C0] inet_release+0x12e/0x280 [ 49.543254][ C0] inet6_release+0x4c/0x70 [ 49.547660][ C0] __sock_release+0xcd/0x280 [ 49.552245][ C0] sock_close+0x18/0x20 [ 49.556392][ C0] __fput+0x277/0x9d0 [ 49.560369][ C0] ? __sock_release+0x280/0x280 [ 49.565219][ C0] task_work_run+0xdd/0x1a0 [ 49.569720][ C0] exit_to_user_mode_prepare+0x23c/0x250 [ 49.575349][ C0] syscall_exit_to_user_mode+0x19/0x60 [ 49.580799][ C0] do_syscall_64+0x42/0xb0 [ 49.585209][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 49.591100][ C0] RIP: 0033:0x7f9914e3b643 [ 49.595505][ C0] Code: c7 c2 c0 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb ba 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 [ 49.615105][ C0] RSP: 002b:00007fff8351daa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 49.623506][ C0] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f9914e3b643 [ 49.631465][ C0] RDX: 000000000000001c RSI: 0000000000000000 RDI: 0000000000000003 [ 49.639423][ C0] RBP: 0000000000000003 R08: 00000000200000c0 R09: 000000000000001c [ 49.647381][ C0] R10: 0000000020000004 R11: 0000000000000246 R12: 00007fff8351dac0 [ 49.655342][ C0] R13: 00007fff8351dae0 R14: 0000000000000000 R15: 0000000000000000 [ 49.663307][ C0] [ 49.666315][ C0] Modules linked in: [ 49.670321][ C0] ---[ end trace 0000000000000000 ]--- [ 49.675795][ C0] RIP: 0010:tcp_create_openreq_child+0xe16/0x16b0 [ 49.682244][ C0] Code: 48 c1 ea 03 80 3c 02 00 0f 85 e5 07 00 00 4c 8b b3 28 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7e 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 c9 07 00 00 48 8b 3c 24 48 89 de 41 ff 56 08 48 [ 49.701899][ C0] RSP: 0018:ffffc900000075a8 EFLAGS: 00010202 [ 49.707984][ C0] RAX: dffffc0000000000 RBX: ffff88801b52e000 RCX: 0000000000000100 [ 49.715983][ C0] RDX: 0000000000000001 RSI: ffffffff87d67ff0 RDI: 0000000000000008 [ 49.723969][ C0] RBP: ffff8880241ebb38 R08: 0000000000000000 R09: 0000000000000000 [ 49.731941][ C0] R10: ffffffff87d67f00 R11: 0000000000000000 R12: ffff8880241eb300 [ 49.740023][ C0] R13: ffff888023c35268 R14: 0000000000000000 R15: 0000000000000000 [ 49.748100][ C0] FS: 00005555557c2300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 49.757045][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.763649][ C0] CR2: 0000000020000040 CR3: 000000001b2a9000 CR4: 00000000003506f0 [ 49.771613][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.779609][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.787579][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 49.794921][ C0] Kernel Offset: disabled [ 49.799232][ C0] Rebooting in 86400 seconds..