------------[ cut here ]------------
WARNING: CPU: 1 PID: 21 at net/core/flow_dissector.c:1027 __skb_flow_dissect+0x95c/0x5988 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 10/03/2025
pstate: 42400005 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : __skb_flow_dissect+0x95c/0x5988 net/core/flow_dissector.c:1022
lr : __skb_flow_dissect+0x95c/0x5988 net/core/flow_dissector.c:1022
sp : ffff80001ca764a0
x29: ffff80001ca76af0 x28: ffff80001ca76c00 x27: 0000000000000002
x26: ffff0000d2e8d4f0 x25: ffff8000152051dc x24: dfff800000000000
x23: 0000000000000000 x22: 1ffff00002a40a3c x21: 1ffff00002a40a3c
x20: ffff8000152051e2 x19: ffff70000394ecd8 x18: 0000000065d06c38
x17: ffff800018338000 x16: ffff8000082d9364 x15: ffff800017e19000
x14: 000000000000000a x13: 1ffff00002a40071 x12: 0000000000ff0100
x11: ff0080000fda1f0c x10: 0000000000000000 x9 : ffff80000fda1f0c
x8 : ffff0000c0a51bc0 x7 : ffff80000fda8dec x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002
x2 : 0000000000000008 x1 : ffff80001206b4c0 x0 : 0000000000000001
Call trace:
 __skb_flow_dissect+0x95c/0x5988 net/core/flow_dissector.c:1022
 skb_flow_dissect_flow_keys include/linux/skbuff.h:1499 [inline]
 ___skb_get_hash+0x7c/0x5b8 net/core/flow_dissector.c:1708
 __skb_get_hash+0xb8/0x228 net/core/flow_dissector.c:1773
 skb_get_hash include/linux/skbuff.h:1541 [inline]
 nft_trace_init+0x188/0x358 net/netfilter/nf_tables_trace.c:292
 nft_do_chain+0x1260/0x12e8 net/netfilter/nf_tables_core.c:243
 nft_do_chain_inet+0x208/0x2e4 net/netfilter/nft_chain_filter.c:161
 nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline]
 nf_hook_slow+0xb4/0x1f4 net/netfilter/core.c:614
 nf_hook+0x1d0/0x338 include/linux/netfilter.h:257
 __ip_local_out+0x4b8/0x608 net/ipv4/ip_output.c:115
 ip_local_out+0x3c/0x15c net/ipv4/ip_output.c:124
 iptunnel_xmit+0x3cc/0x850 net/ipv4/ip_tunnel_core.c:82
 udp_tunnel_xmit_skb+0x1b0/0x2c4 net/ipv4/udp_tunnel_core.c:172
 tipc_udp_xmit+0x788/0x9b8 net/tipc/udp_media.c:198
 tipc_udp_send_msg+0x254/0x380 net/tipc/udp_media.c:258
 tipc_bearer_xmit_skb+0x240/0x380 net/tipc/bearer.c:577
 tipc_disc_timeout+0x4d8/0x628 net/tipc/discover.c:338
 call_timer_fn+0x1b8/0x95c kernel/time/timer.c:1701
 expire_timers kernel/time/timer.c:1752 [inline]
 __run_timers+0x478/0x6f0 kernel/time/timer.c:2023
 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:2036
 handle_softirqs+0x318/0xc60 kernel/softirq.c:596
 run_ksoftirqd+0x7c/0x2ac kernel/softirq.c:968
 smpboot_thread_fn+0x4b0/0x964 kernel/smpboot.c:164
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850
irq event stamp: 2098493
hardirqs last  enabled at (2098492): [<ffff8000081f6090>] queue_work_on+0xec/0x164 kernel/workqueue.c:1552
hardirqs last disabled at (2098493): [<ffff800011a1c234>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (2098304): [<ffff8000081ac37c>] softirq_handle_end kernel/softirq.c:439 [inline]
softirqs last  enabled at (2098304): [<ffff8000081ac37c>] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624
softirqs last disabled at (2098309): [<ffff8000081af2f4>] run_ksoftirqd+0x7c/0x2ac kernel/softirq.c:968
---[ end trace 0000000000000000 ]---