tipc: Started in network mode tipc: Node identity ac14140f, cluster identity 4711 tipc: New replicast peer: 255.255.255.255 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 26699 at net/core/flow_dissector.c:1027 __skb_flow_dissect+0xade/0x6d50 net/core/flow_dissector.c:1022 Modules linked in: CPU: 0 PID: 26699 Comm: syz.9.5235 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:__skb_flow_dissect+0xade/0x6d50 net/core/flow_dissector.c:1027 Code: c6 e8 36 27 4d f9 85 db 0f 84 5b 06 00 00 80 3d f8 32 b7 06 01 0f 85 81 06 00 00 e8 bc 23 4d f9 e9 e7 f9 ff ff e8 b2 23 4d f9 <0f> 0b e8 cb bc fe 01 89 c3 31 ff 89 c6 e8 00 27 4d f9 85 db 74 18 RSP: 0018:ffffc90005eedfe0 EFLAGS: 00010283 RAX: ffffffff883522ce RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc90018565000 RSI: 00000000000064c7 RDI: 00000000000064c8 RBP: ffffc90005eee5a8 R08: dffffc0000000000 R09: 1ffffffff2326848 R10: dffffc0000000000 R11: fffffbfff2326849 R12: ffffffff8f01437c R13: 1ffffffff1e02870 R14: ffffffff8f014382 R15: dffffc0000000000 FS: 00007fef9a8866c0(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3e464d CR3: 0000000065e81000 CR4: 00000000003506f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: skb_flow_dissect_flow_keys include/linux/skbuff.h:1531 [inline] ___skb_get_hash+0x55/0x6e0 net/core/flow_dissector.c:1713 __skb_get_hash+0xd2/0x270 net/core/flow_dissector.c:1778 skb_get_hash include/linux/skbuff.h:1573 [inline] nft_trace_init+0x1e0/0x430 net/netfilter/nf_tables_trace.c:292 nft_do_chain+0x1612/0x16d0 net/netfilter/nf_tables_core.c:243 nft_do_chain_ipv4+0x156/0x220 net/netfilter/nft_chain_filter.c:23 nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline] nf_hook_slow+0xb9/0x200 net/netfilter/core.c:614 nf_hook+0x224/0x390 include/linux/netfilter.h:257 __ip_local_out+0x49c/0x5d0 net/ipv4/ip_output.c:115 ip_local_out+0x26/0x120 net/ipv4/ip_output.c:124 iptunnel_xmit+0x4a1/0x880 net/ipv4/ip_tunnel_core.c:82 udp_tunnel_xmit_skb+0x22b/0x380 net/ipv4/udp_tunnel_core.c:172 tipc_udp_xmit+0x85d/0xb40 net/tipc/udp_media.c:198 tipc_udp_send_msg+0x27a/0x3e0 net/tipc/udp_media.c:271 tipc_bearer_xmit_skb+0x2a9/0x3f0 net/tipc/bearer.c:578 tipc_enable_bearer net/tipc/bearer.c:368 [inline] __tipc_nl_bearer_enable+0x10bd/0x1450 net/tipc/bearer.c:1050 tipc_nl_bearer_enable+0x1e/0x30 net/tipc/bearer.c:1059 genl_family_rcv_msg_doit+0x22f/0x350 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x601/0x790 net/netlink/genetlink.c:850 netlink_rcv_skb+0x1ef/0x440 net/netlink/af_netlink.c:2516 genl_rcv+0x24/0x40 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x7ad/0x920 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x8ad/0xbd0 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5ed/0x9a0 net/socket.c:2519 ___sys_sendmsg+0x2a2/0x360 net/socket.c:2573 __sys_sendmsg net/socket.c:2602 [inline] __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg+0x1c3/0x2b0 net/socket.c:2609 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fef9999e1d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fef9a886028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fef99c26090 RCX: 00007fef9999e1d9 RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000000000000007 RBP: 00007fef99a35888 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fef99c26128 R14: 00007fef99c26090 R15: 00007ffd6f4f66f8