------------[ cut here ]------------
WARNING: CPU: 1 PID: 16437 at net/core/flow_dissector.c:1107 __skb_flow_dissect+0xbde/0x6d60 net/core/flow_dissector.c:1102
Modules linked in:
CPU: 1 PID: 16437 Comm: syz.6.11761 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:__skb_flow_dissect+0xbde/0x6d60 net/core/flow_dissector.c:1107
Code: db 59 00 00 80 3d 40 b8 fd 05 01 0f 85 01 5a 00 00 e8 16 36 0f f9 e9 17 f9 ff ff e8 0c 36 0f f9 e9 b4 03 00 00 e8 02 36 0f f9 <0f> 0b e9 00 ff ff ff e8 f6 35 0f f9 c6 05 0b b8 fd 05 01 48 c7 c7
RSP: 0018:ffffc900001ef980 EFLAGS: 00010246
RAX: ffffffff8877ebfe RBX: ffff88802106cff0 RCX: ffff888028f7da00
RDX: 0000000000000100 RSI: ffffffff8b1c8e40 RDI: ffffffff8b1c8e00
RBP: ffffc900001eff98 R08: dffffc0000000000 R09: 1ffffffff2238aa0
R10: dffffc0000000000 R11: fffffbfff2238aa1 R12: ffffffff8e8b87b8
R13: ffffffff8877e219 R14: 0000000000000000 R15: 1ffffffff1d170f8
FS:  00007fbfa9bf66c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9a2f9f6ff8 CR3: 00000000451ab000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 skb_flow_dissect_flow_keys include/linux/skbuff.h:1544 [inline]
 ___skb_get_hash net/core/flow_dissector.c:1801 [inline]
 __skb_get_hash+0xf3/0x2e0 net/core/flow_dissector.c:1866
 skb_get_hash include/linux/skbuff.h:1586 [inline]
 nft_trace_init+0x1bb/0x410 net/netfilter/nf_tables_trace.c:316
 nft_do_chain+0x14fc/0x1600 net/netfilter/nf_tables_core.c:268
 nf_route_table_hook6+0x366/0x7b0 net/netfilter/nft_chain_route.c:88
 nf_hook_entry_hookfn include/linux/netfilter.h:144 [inline]
 nf_hook_slow+0xbd/0x200 net/netfilter/core.c:626
 nf_hook include/linux/netfilter.h:259 [inline]
 __ip6_local_out+0x784/0x8a0 net/ipv6/output_core.c:143
 ip6_local_out+0x2a/0x130 net/ipv6/output_core.c:153
 ip6tunnel_xmit include/net/ip6_tunnel.h:161 [inline]
 udp_tunnel6_xmit_skb+0x53e/0x970 net/ipv6/ip6_udp_tunnel.c:109
 tipc_udp_xmit+0x58d/0xb40 net/tipc/udp_media.c:220
 tipc_bearer_xmit_skb+0x2ad/0x3f0 net/tipc/bearer.c:575
 tipc_disc_timeout+0x596/0x6f0 net/tipc/discover.c:338
 call_timer_fn+0x189/0x540 kernel/time/timer.c:1701
 expire_timers kernel/time/timer.c:1752 [inline]
 __run_timers+0x542/0x800 kernel/time/timer.c:2023
 run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2036
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:finish_task_switch+0x26a/0x8f0 kernel/sched/core.c:5255
Code: 0f 84 33 01 00 00 48 85 db 0f 85 52 01 00 00 e9 de 04 00 00 4c 8b 75 d0 4c 89 e7 e8 00 89 32 09 e8 9b 29 30 00 fb 4c 8b 65 c0 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc9000c1d7298 EFLAGS: 00000282
RAX: 22435a1c425a5700 RBX: 0000000000000000 RCX: 22435a1c425a5700
RDX: dffffc0000000000 RSI: ffffffff8acac9e0 RDI: ffffffff8b1c8e60
RBP: ffffc9000c1d72f0 R08: ffffffff8e8b15ef R09: 1ffffffff1d162bd
R10: dffffc0000000000 R11: fffffbfff1d162be R12: ffff888028f7da00
R13: dffffc0000000000 R14: ffff88803ca1bc00 R15: ffff8880b8f3cac8
 context_switch kernel/sched/core.c:5384 [inline]
 __schedule+0x155b/0x45a0 kernel/sched/core.c:6700
 schedule+0xbd/0x170 kernel/sched/core.c:6774
 schedule_timeout+0xc1/0x2d0 kernel/time/timer.c:2144
 unix_wait_for_peer+0x1f6/0x2f0 net/unix/af_unix.c:1515
 unix_dgram_sendmsg+0xec2/0x16d0 net/unix/af_unix.c:2105
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 ____sys_sendmsg+0x5ba/0x960 net/socket.c:2594
 ___sys_sendmsg+0x2a6/0x360 net/socket.c:2648
 __sys_sendmmsg+0x2ca/0x510 net/socket.c:2734
 __do_sys_sendmmsg net/socket.c:2763 [inline]
 __se_sys_sendmmsg net/socket.c:2760 [inline]
 __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2760
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fbfab99cdd9
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:00007fbfa9bf6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007fbfabc15fa0 RCX: 00007fbfab99cdd9
RDX: 0000000000000651 RSI: 0000200000000000 RDI: 0000000000000008
RBP: 00007fbfaba32d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbfabc16038 R14: 00007fbfabc15fa0 R15: 00007fffebed8898
 </TASK>
----------------
Code disassembly (best guess):
   0:	0f 84 33 01 00 00    	je     0x139
   6:	48 85 db             	test   %rbx,%rbx
   9:	0f 85 52 01 00 00    	jne    0x161
   f:	e9 de 04 00 00       	jmp    0x4f2
  14:	4c 8b 75 d0          	mov    -0x30(%rbp),%r14
  18:	4c 89 e7             	mov    %r12,%rdi
  1b:	e8 00 89 32 09       	call   0x9328920
  20:	e8 9b 29 30 00       	call   0x3029c0
  25:	fb                   	sti
  26:	4c 8b 65 c0          	mov    -0x40(%rbp),%r12
* 2a:	49 8d bc 24 f8 15 00 	lea    0x15f8(%r12),%rdi <-- trapping instruction
  31:	00
  32:	48 89 f8             	mov    %rdi,%rax
  35:	48 c1 e8 03          	shr    $0x3,%rax
  39:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax
  3e:	84 c0                	test   %al,%al