------------[ cut here ]------------ WARNING: ./include/linux/skbuff.h:1165 at skb_dst_check_unset include/linux/skbuff.h:1164 [inline], CPU#1: syz.0.3585/16188 WARNING: ./include/linux/skbuff.h:1165 at skb_dst_set include/linux/skbuff.h:1211 [inline], CPU#1: syz.0.3585/16188 WARNING: ./include/linux/skbuff.h:1165 at nf_send_reset6+0xb3a/0xde0 net/ipv6/netfilter/nf_reject_ipv6.c:300, CPU#1: syz.0.3585/16188 Modules linked in: CPU: 1 UID: 0 PID: 16188 Comm: syz.0.3585 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:skb_dst_check_unset include/linux/skbuff.h:1164 [inline] RIP: 0010:skb_dst_set include/linux/skbuff.h:1211 [inline] RIP: 0010:nf_send_reset6+0xb3a/0xde0 net/ipv6/netfilter/nf_reject_ipv6.c:300 Code: 00 fc ff df 4c 8b 64 24 18 4c 89 e7 31 f6 e8 8d ff 1c ff e9 67 f6 ff ff e8 43 29 6f f7 31 ff 4c 89 e6 eb b1 e8 37 29 6f f7 90 <0f> 0b 90 e9 2f f8 ff ff e8 29 29 6f f7 90 0f 0b 90 e9 0f f9 ff ff RSP: 0018:ffffc90000a083c0 EFLAGS: 00010246 RAX: ffffffff8a51a599 RBX: 1ffff1100c0fcdb9 RCX: ffff88802f159e00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000a08568 R08: ffff8880320b7043 R09: 1ffff11006416e08 R10: dffffc0000000000 R11: ffffed1006416e09 R12: ffff8880607e6dc8 R13: ffff888024aa6e01 R14: 0000000000000000 R15: 0000000000000001 FS: 00007f58bdb586c0(0000) GS:ffff8881258c4000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000200 CR3: 0000000055a5c000 CR4: 00000000003526f0 DR0: 0000000000000006 DR1: 0000000000000001 DR2: 0000000000000098 DR3: 0000000000000003 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: nft_reject_inet_eval+0x32e/0x690 net/netfilter/nft_reject_inet.c:48 expr_call_ops_eval net/netfilter/nf_tables_core.c:237 [inline] nft_do_chain+0x40c/0x1920 net/netfilter/nf_tables_core.c:285 nft_do_chain_inet+0x25d/0x340 net/netfilter/nft_chain_filter.c:161 nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline] nf_hook_slow+0xc5/0x220 net/netfilter/core.c:623 nf_hook include/linux/netfilter.h:273 [inline] NF_HOOK+0x206/0x3a0 include/linux/netfilter.h:316 __netif_receive_skb_one_core net/core/dev.c:5991 [inline] __netif_receive_skb+0xd3/0x380 net/core/dev.c:6104 process_backlog+0x60e/0x14f0 net/core/dev.c:6456 __napi_poll+0xc4/0x360 net/core/dev.c:7506 napi_poll net/core/dev.c:7569 [inline] net_rx_action+0x707/0xe30 net/core/dev.c:7696 handle_softirqs+0x283/0x870 kernel/softirq.c:579 do_softirq+0xec/0x180 kernel/softirq.c:480 __local_bh_enable_ip+0x17d/0x1c0 kernel/softirq.c:407 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:910 [inline] __dev_queue_xmit+0x1d79/0x3b50 net/core/dev.c:4752 dev_queue_xmit include/linux/netdevice.h:3361 [inline] neigh_hh_output include/net/neighbour.h:531 [inline] neigh_output include/net/neighbour.h:545 [inline] ip6_finish_output2+0x11bc/0x16a0 net/ipv6/ip6_output.c:141 NF_HOOK include/linux/netfilter.h:318 [inline] ip6_xmit+0x107a/0x1840 net/ipv6/ip6_output.c:367 inet6_csk_xmit+0x4db/0x780 net/ipv6/inet6_connection_sock.c:120 __tcp_transmit_skb+0x1db8/0x3680 net/ipv4/tcp_output.c:1479 tcp_transmit_skb net/ipv4/tcp_output.c:1497 [inline] tcp_connect+0x1f76/0x4ef0 net/ipv4/tcp_output.c:4159 tcp_v6_connect+0x11f7/0x1870 net/ipv6/tcp_ipv6.c:336 __inet_stream_connect+0x2ab/0xe80 net/ipv4/af_inet.c:677 inet_stream_connect+0x66/0xa0 net/ipv4/af_inet.c:748 __sys_connect_file net/socket.c:2086 [inline] __sys_connect+0x316/0x440 net/socket.c:2105 __do_sys_connect net/socket.c:2111 [inline] __se_sys_connect net/socket.c:2108 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:2108 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f58bcd8ebe9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f58bdb58038 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007f58bcfb5fa0 RCX: 00007f58bcd8ebe9 RDX: 000000000000001c RSI: 0000200000000200 RDI: 0000000000000004 RBP: 00007f58bce11e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f58bcfb6038 R14: 00007f58bcfb5fa0 R15: 00007ffe7cfd2678