------------[ cut here ]------------ WARNING: CPU: 1 PID: 21 at net/core/flow_dissector.c:1027 __skb_flow_dissect+0xade/0x6c20 net/core/flow_dissector.c:1022 Modules linked in: CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026 RIP: 0010:__skb_flow_dissect+0xade/0x6c20 net/core/flow_dissector.c:1027 Code: c6 e8 16 cd 4f f9 85 db 0f 84 98 59 00 00 80 3d c2 39 da 05 01 0f 85 be 59 00 00 e8 9c c9 4f f9 e9 e7 f9 ff ff e8 92 c9 4f f9 <0f> 0b e8 fb f7 fd 01 89 c3 31 ff 89 c6 e8 e0 cc 4f f9 85 db 74 18 RSP: 0018:ffffc900001b5740 EFLAGS: 00010246 RAX: ffffffff8832580e RBX: 0000000000000000 RCX: ffff888017751e00 RDX: 0000000000000100 RSI: ffffffff8adf42c0 RDI: ffffffff8adf4280 RBP: ffffc900001b5d08 R08: dffffc0000000000 R09: 1ffffffff2162048 R10: dffffc0000000000 R11: fffffbfff2162049 R12: ffffffff8e2192fc R13: 1ffffffff1c43260 R14: ffffffff8e219302 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555dcc0a38 CR3: 0000000070534000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 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:1705 __skb_get_hash+0xd2/0x270 net/core/flow_dissector.c:1770 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_inet+0x25c/0x340 net/netfilter/nft_chain_filter.c:161 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 nf_send_reset+0xea7/0x1690 net/ipv4/netfilter/nf_reject_ipv4.c:330 nft_reject_inet_eval+0x3a9/0x680 net/netfilter/nft_reject_inet.c:31 expr_call_ops_eval net/netfilter/nf_tables_core.c:214 [inline] nft_do_chain+0x4b2/0x16d0 net/netfilter/nf_tables_core.c:264 nft_do_chain_inet+0x25c/0x340 net/netfilter/nft_chain_filter.c:161 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 net/ipv4/ip_output.c:124 [inline] ip_build_and_send_pkt+0x526/0xa70 net/ipv4/ip_output.c:190 tcp_v4_send_synack+0x639/0xa20 net/ipv4/tcp_ipv4.c:1044 tcp_conn_request+0x1e7e/0x2cf0 net/ipv4/tcp_input.c:7153 tcp_rcv_state_process+0x1991/0x42f0 net/ipv4/tcp_input.c:6585 tcp_v4_do_rcv+0x362/0xaf0 net/ipv4/tcp_ipv4.c:1707 tcp_v4_rcv+0x270e/0x2e90 net/ipv4/tcp_ipv4.c:2105 ip_protocol_deliver_rcu+0x38c/0x740 net/ipv4/ip_input.c:205 ip_local_deliver_finish+0x2c0/0x510 net/ipv4/ip_input.c:233 NF_HOOK+0x329/0x3b0 include/linux/netfilter.h:302 NF_HOOK+0x329/0x3b0 include/linux/netfilter.h:302 __netif_receive_skb_one_core net/core/dev.c:5619 [inline] __netif_receive_skb+0xcc/0x290 net/core/dev.c:5733 process_backlog+0x37c/0x710 net/core/dev.c:6061 __napi_poll+0xbb/0x460 net/core/dev.c:6628 napi_poll net/core/dev.c:6695 [inline] net_rx_action+0x622/0xbc0 net/core/dev.c:6809 handle_softirqs+0x291/0x910 kernel/softirq.c:596 run_ksoftirqd+0xa4/0x100 kernel/softirq.c:968 smpboot_thread_fn+0x667/0xa30 kernel/smpboot.c:164 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295