------------[ cut here ]------------
WARNING: CPU: 1 PID: 10074 at net/ipv4/udp_offload.c:123 udp_tunnel_update_gro_rcv+0x28d/0x4c0 net/ipv4/udp_offload.c:123
Modules linked in:
CPU: 1 UID: 0 PID: 10074 Comm: syz.4.1072 Not tainted 6.15.0-rc1-syzkaller-00207-g0c49baf099ba #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:udp_tunnel_update_gro_rcv+0x28d/0x4c0 net/ipv4/udp_offload.c:123
Code: 00 00 e8 c6 f6 2e f7 48 c1 e5 04 48 8d b5 60 83 c7 9a ba 10 00 00 00 4c 89 ff e8 6e 22 99 f7 e9 ce 00 00 00 e8 a4 f6 2e f7 90 <0f> 0b 90 e9 de fd ff ff bf 01 00 00 00 89 ee e8 cf fa 2e f7 85 ed
RSP: 0018:ffffc9000b4b77f8 EFLAGS: 00010293
RAX: ffffffff8a94702c RBX: 0000000000000001 RCX: ffff88802bec9e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 0000000000000000 R08: ffffffff8a946d0e R09: 1ffffffff20bfd4e
R10: dffffc0000000000 R11: fffffbfff20bfd4f R12: ffffffff86de4a40
R13: dffffc0000000000 R14: ffff888079c6b500 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff888125093000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30b1cff8 CR3: 000000000eb38000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udp_tunnel_cleanup_gro include/net/udp_tunnel.h:205 [inline]
 udp_destroy_sock+0x2a2/0x300 net/ipv4/udp.c:2902
 sk_common_release+0x71/0x2e0 net/core/sock.c:3901
 inet_release+0x17d/0x200 net/ipv4/af_inet.c:435
 __sock_release net/socket.c:647 [inline]
 sock_close+0xbc/0x240 net/socket.c:1391
 __fput+0x3e9/0x9f0 fs/file_table.c:465
 task_work_run+0x251/0x310 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0xa11/0x27f0 kernel/exit.c:953
 do_group_exit+0x207/0x2c0 kernel/exit.c:1102
 get_signal+0x1696/0x1730 kernel/signal.c:3034
 arch_do_signal_or_restart+0x98/0x840 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f45c358d169
Code: Unable to access opcode bytes at 0x7f45c358d13f.
RSP: 002b:00007f45c13f60e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f45c37a5fa8 RCX: 00007f45c358d169
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f45c37a5fa8
RBP: 00007f45c37a5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f45c37a5fac
R13: 0000000000000000 R14: 00007ffd07598130 R15: 00007ffd07598218
 </TASK>