DUID 00:04:b8:64:54:4b:51:f9:b6:ea:77:bd:45:d1:95:a6:31:4f forked to background, child pid 3174 [ 27.412581][ T3175] 8021q: adding VLAN 0 to HW filter on device bond0 [ 27.423300][ T3175] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.15' (ECDSA) to the list of known hosts. syzkaller login: [ 48.484518][ T3590] chnl_net:caif_netlink_parms(): no params data found [ 48.527710][ T3590] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.535351][ T3590] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.543203][ T3590] device bridge_slave_0 entered promiscuous mode [ 48.552139][ T3590] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.559322][ T3590] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.567226][ T3590] device bridge_slave_1 entered promiscuous mode [ 48.588082][ T3590] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.598912][ T3590] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.621900][ T3590] team0: Port device team_slave_0 added [ 48.630149][ T3590] team0: Port device team_slave_1 added [ 48.647314][ T3590] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 48.654264][ T3590] 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. [ 48.680349][ T3590] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 48.692842][ T3590] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 48.699857][ T3590] 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. [ 48.725946][ T3590] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 48.752337][ T3590] device hsr_slave_0 entered promiscuous mode [ 48.759567][ T3590] device hsr_slave_1 entered promiscuous mode [ 48.843179][ T3590] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 48.854687][ T3590] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.864472][ T3590] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 48.873416][ T3590] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 48.894282][ T3590] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.901656][ T3590] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.909788][ T3590] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.916903][ T3590] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.962023][ T3590] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.976932][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.988787][ T26] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.998147][ T26] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.007196][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 49.019915][ T3590] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.031244][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.039957][ T143] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.047061][ T143] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.068628][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.077620][ T143] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.084694][ T143] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.093734][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.107769][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.115839][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.130797][ T3590] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 49.141855][ T3590] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 49.154289][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.163250][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.171795][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.193302][ T3590] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.201831][ T3599] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 49.209661][ T3599] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 49.315391][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.331355][ T3599] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.339763][ T3599] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.348476][ T3599] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.359488][ T3590] device veth0_vlan entered promiscuous mode [ 49.370900][ T3590] device veth1_vlan entered promiscuous mode [ 49.390052][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 49.398590][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 49.407304][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.418052][ T3590] device veth0_macvtap entered promiscuous mode [ 49.427616][ T3590] device veth1_macvtap entered promiscuous mode [ 49.443336][ T3590] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.452293][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.461633][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 49.473249][ T3590] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.481100][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 49.489871][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.501893][ T3590] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.511232][ T3590] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 49.520488][ T3590] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.530279][ T3590] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.570228][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 2. Sending cookies. Check SNMP counters. [ 49.582915][ C1] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN [ 49.594640][ C1] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 49.603037][ C1] CPU: 1 PID: 3590 Comm: syz-executor246 Not tainted 5.18.0-rc3-syzkaller-00225-g165e3e17fe8f #0 [ 49.613519][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.623556][ C1] RIP: 0010:tcp_create_openreq_child+0xe16/0x16b0 [ 49.629979][ C1] 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 [ 49.649588][ C1] RSP: 0018:ffffc90000de05a8 EFLAGS: 00010202 [ 49.655652][ C1] RAX: dffffc0000000000 RBX: ffff888077202000 RCX: 0000000000000100 [ 49.663616][ C1] RDX: 0000000000000001 RSI: ffffffff87d67ff0 RDI: 0000000000000008 [ 49.671580][ C1] RBP: ffff88802423a1b8 R08: 0000000000000000 R09: 0000000000000000 [ 49.679544][ C1] R10: ffffffff87d67f00 R11: 0000000000000000 R12: ffff888024239980 [ 49.687501][ C1] R13: ffff88801e332368 R14: 0000000000000000 R15: 0000000000000000 [ 49.695458][ C1] FS: 00005555571ee300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 49.704384][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.710965][ C1] CR2: 00007f68a924e723 CR3: 000000001ab99000 CR4: 00000000003506e0 [ 49.718931][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.726899][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.734861][ C1] Call Trace: [ 49.738128][ C1] [ 49.740961][ C1] tcp_v6_syn_recv_sock+0x199/0x23b0 [ 49.746245][ C1] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 49.752480][ C1] ? xfrm_lookup_with_ifid+0xa6b/0x2240 [ 49.758027][ C1] ? tcp_v6_parse_md5_keys+0x7d0/0x7d0 [ 49.763485][ C1] ? ip6_finish_output2+0x14b0/0x1500 [ 49.768851][ C1] ? rcu_read_lock_sched_held+0x3a/0x70 [ 49.774396][ C1] ? kmem_cache_alloc+0x2ef/0x3b0 [ 49.779419][ C1] ? cookie_ecn_ok+0x54/0x140 [ 49.784092][ C1] tcp_get_cookie_sock+0xc9/0x850 [ 49.789111][ C1] ? cookie_ecn_ok+0x140/0x140 [ 49.793869][ C1] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 49.800107][ C1] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 49.806344][ C1] ? tcp_select_initial_window+0x1e7/0x380 [ 49.812150][ C1] cookie_v6_check+0x15c3/0x2340 [ 49.817090][ C1] ? cookie_v6_init_sequence+0xf0/0xf0 [ 49.822548][ C1] ? sk_filter_trim_cap+0x372/0x9a0 [ 49.827741][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 49.832718][ C1] ? bpf_xdp_redirect+0x160/0x160 [ 49.837751][ C1] ? tcp_v6_do_rcv+0xff5/0x13b0 [ 49.842604][ C1] tcp_v6_do_rcv+0x1148/0x13b0 [ 49.847365][ C1] ? __sanitizer_cov_trace_const_cmp8+0x41/0x70 [ 49.853608][ C1] ? tcp_v6_fill_cb+0x393/0x4a0 [ 49.858465][ C1] tcp_v6_rcv+0x3305/0x3840 [ 49.862991][ C1] ? tcp_v6_err+0x1850/0x1850 [ 49.867672][ C1] ? rawv6_rcv+0x1290/0x1290 [ 49.872258][ C1] ip6_protocol_deliver_rcu+0x2e9/0x1900 [ 49.877890][ C1] ? batadv_hard_if_event.cold+0x40/0xb1 [ 49.883526][ C1] ip6_input_finish+0x14c/0x2c0 [ 49.888370][ C1] ip6_input+0x9c/0xd0 [ 49.892449][ C1] ipv6_rcv+0x27f/0x3b0 [ 49.896600][ C1] ? ip6_rcv_core+0x1c50/0x1c50 [ 49.901447][ C1] __netif_receive_skb_one_core+0x114/0x180 [ 49.907339][ C1] ? __netif_receive_skb_core+0x3a60/0x3a60 [ 49.913229][ C1] ? mark_held_locks+0x9f/0xe0 [ 49.918019][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 49.922977][ C1] __netif_receive_skb+0x24/0x1b0 [ 49.928022][ C1] process_backlog+0x3a0/0x7c0 [ 49.932790][ C1] ? mark_held_locks+0x9f/0xe0 [ 49.937564][ C1] __napi_poll+0xb3/0x6e0 [ 49.941913][ C1] net_rx_action+0x8ec/0xc60 [ 49.946524][ C1] ? napi_threaded_poll+0x520/0x520 [ 49.951867][ C1] __do_softirq+0x29b/0x9c2 [ 49.956403][ C1] do_softirq.part.0+0xde/0x130 [ 49.961272][ C1] [ 49.964195][ C1] [ 49.967117][ C1] ? ip6_finish_output2+0x58e/0x1500 [ 49.972412][ C1] __local_bh_enable_ip+0x102/0x120 [ 49.977622][ C1] ip6_finish_output2+0x5bc/0x1500 [ 49.982752][ C1] __ip6_finish_output+0x61e/0xe90 [ 49.987884][ C1] ip6_finish_output+0x32/0x280 [ 49.992757][ C1] ip6_output+0x1e4/0x530 [ 49.997101][ C1] ip6_xmit+0x11d4/0x1a50 [ 50.001435][ C1] ? ip6_sk_dst_lookup_flow+0x980/0x980 [ 50.006984][ C1] ? lock_release+0x720/0x720 [ 50.011667][ C1] ? inet6_csk_route_socket+0x6eb/0xf90 [ 50.017216][ C1] ? inet6_csk_route_req+0x7f0/0x7f0 [ 50.022513][ C1] ? find_held_lock+0x2d/0x110 [ 50.027288][ C1] ? inet6_csk_xmit+0x349/0x6c0 [ 50.032145][ C1] inet6_csk_xmit+0x3b1/0x6c0 [ 50.036829][ C1] ? inet6_csk_update_pmtu+0x180/0x180 [ 50.042287][ C1] ? __skb_clone+0x597/0x780 [ 50.046875][ C1] ? csum_ipv6_magic+0x1b/0x70 [ 50.051639][ C1] __tcp_transmit_skb+0x190e/0x38b0 [ 50.056837][ C1] ? __tcp_select_window+0xdb0/0xdb0 [ 50.062115][ C1] ? tcp_write_xmit+0x34/0x5fe0 [ 50.066964][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 50.072159][ C1] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 50.077872][ C1] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 50.083584][ C1] tcp_write_xmit+0xd93/0x5fe0 [ 50.088340][ C1] ? tcp_trim_head+0x5c0/0x5c0 [ 50.093103][ C1] __tcp_push_pending_frames+0xaa/0x390 [ 50.098642][ C1] tcp_send_fin+0x117/0xb70 [ 50.103140][ C1] __tcp_close+0xae7/0x12b0 [ 50.107642][ C1] tcp_close+0x29/0xc0 [ 50.111705][ C1] inet_release+0x12e/0x280 [ 50.116206][ C1] inet6_release+0x4c/0x70 [ 50.120619][ C1] __sock_release+0xcd/0x280 [ 50.125207][ C1] sock_close+0x18/0x20 [ 50.129357][ C1] __fput+0x277/0x9d0 [ 50.133331][ C1] ? __sock_release+0x280/0x280 [ 50.138181][ C1] task_work_run+0xdd/0x1a0 [ 50.142686][ C1] exit_to_user_mode_prepare+0x23c/0x250 [ 50.148318][ C1] syscall_exit_to_user_mode+0x19/0x60 [ 50.153771][ C1] do_syscall_64+0x42/0xb0 [ 50.158182][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 50.164071][ C1] RIP: 0033:0x7f1a53308613 [ 50.168480][ C1] 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 [ 50.188076][ C1] RSP: 002b:00007ffd9976deb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 50.196480][ C1] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f1a53308613 [ 50.204447][ C1] RDX: 000000000000001c RSI: 0000000000000000 RDI: 0000000000000003 [ 50.212410][ C1] RBP: 0000000000000003 R08: 0000000020b63fe4 R09: 000000000000001c [ 50.220382][ C1] R10: 0000000022004001 R11: 0000000000000246 R12: 00007ffd9976ded0 [ 50.228343][ C1] R13: 00007ffd9976def0 R14: 0000000000000000 R15: 0000000000000000 [ 50.236309][ C1] [ 50.239315][ C1] Modules linked in: [ 50.243303][ C1] ---[ end trace 0000000000000000 ]--- [ 50.248792][ C1] RIP: 0010:tcp_create_openreq_child+0xe16/0x16b0 [ 50.255263][ C1] 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 [ 50.274936][ C1] RSP: 0018:ffffc90000de05a8 EFLAGS: 00010202 [ 50.281029][ C1] RAX: dffffc0000000000 RBX: ffff888077202000 RCX: 0000000000000100 [ 50.289036][ C1] RDX: 0000000000000001 RSI: ffffffff87d67ff0 RDI: 0000000000000008 [ 50.297037][ C1] RBP: ffff88802423a1b8 R08: 0000000000000000 R09: 0000000000000000 [ 50.305018][ C1] R10: ffffffff87d67f00 R11: 0000000000000000 R12: ffff888024239980 [ 50.313034][ C1] R13: ffff88801e332368 R14: 0000000000000000 R15: 0000000000000000 [ 50.321033][ C1] FS: 00005555571ee300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 50.329978][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.336571][ C1] CR2: 00007f68a924e723 CR3: 000000001ab99000 CR4: 00000000003506e0 [ 50.344543][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.352526][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.360515][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 50.367891][ C1] Kernel Offset: disabled [ 50.372206][ C1] Rebooting in 86400 seconds..