------------[ 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 03/18/2026
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 : ffff80001ca96500
x29: ffff80001ca96b50 x28: ffff80001ca96c60 x27: 0000000000000002
x26: ffff0000d8ae7780 x25: ffff8000152251dc x24: dfff800000000000
x23: 0000000000000000 x22: 1ffff00002a44a3c x21: 1ffff00002a44a3c
x20: ffff8000152251e2 x19: ffff700003952ce4 x18: ffff800011b9bf60
x17: 00000000ffff0000 x16: ffff8000082d7db8 x15: 0000000000000000
x14: 000000000000000a x13: 1ffff00002a44071 x12: 0000000000ff0100
x11: ff0080000fdb19a0 x10: 0000000000000000 x9 : ffff80000fdb19a0
x8 : ffff0000c0a51bc0 x7 : ffff80000fdb8880 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002
x2 : 0000000000000008 x1 : ffff80001208bb80 x0 : 0000000000000001
Call trace:
 __skb_flow_dissect+0x95c/0x5988 net/core/flow_dissector.c:1022
 skb_flow_dissect_flow_keys include/linux/skbuff.h:1531 [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:1573 [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
 nf_route_table_hook6+0x218/0x5ec net/netfilter/nft_chain_route.c:88
 nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline]
 nf_hook_slow+0xb4/0x1f4 net/netfilter/core.c:614
 nf_hook include/linux/netfilter.h:257 [inline]
 __ip6_local_out+0x6b0/0x7cc net/ipv6/output_core.c:149
 ip6_local_out+0x3c/0x15c net/ipv6/output_core.c:159
 ip6tunnel_xmit include/net/ip6_tunnel.h:161 [inline]
 udp_tunnel6_xmit_skb+0x434/0x8f0 net/ipv6/ip6_udp_tunnel.c:109
 tipc_udp_xmit+0x484/0x9b8 net/tipc/udp_media.c:220
 tipc_udp_send_msg+0x21c/0x380 net/tipc/udp_media.c:271
 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: 1798939
hardirqs last  enabled at (1798938): [<ffff8000088e8344>] kasan_quarantine_put+0xc4/0x200 mm/kasan/quarantine.c:242
hardirqs last disabled at (1798939): [<ffff800011a387cc>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (1798908): [<ffff8000081ac394>] softirq_handle_end kernel/softirq.c:439 [inline]
softirqs last  enabled at (1798908): [<ffff8000081ac394>] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624
softirqs last disabled at (1798913): [<ffff8000081af30c>] run_ksoftirqd+0x7c/0x2ac kernel/softirq.c:968
---[ end trace 0000000000000000 ]---
vkms_vblank_simulate: vblank timer overrun