------------[ cut here ]------------
WARNING: CPU: 1 PID: 4636 at net/core/sock_map.c:1667 sock_map_destroy+0x1c7/0x1f0 net/core/sock_map.c:1667
Modules linked in:
CPU: 1 UID: 0 PID: 4636 Comm: syz.2.18 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:sock_map_destroy+0x1c7/0x1f0 net/core/sock_map.c:1667
Code: 89 f7 e8 0c 06 25 fc 4d 8b 36 49 83 c6 38 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 ef 05 25 fc 4d 8b 3e eb 9c 90 <0f> 0b 90 5b 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc cc 4c 89 e7 be
RSP: 0018:ffffc900032cfc00 EFLAGS: 00010246
RAX: 1ffffffff24df661 RBX: ffff888025c6d000 RCX: b4f1ecea0f0d2500
RDX: 0000000000000008 RSI: ffffffff884eae2d RDI: ffff888039cf8000
RBP: ffff888025c6d000 R08: ffff888029013a2b R09: 1ffff11005202745
R10: dffffc0000000000 R11: ffffed1005202746 R12: dffffc0000000000
R13: 1ffff11004b8da05 R14: ffffffff926fb308 R15: ffffffff85bd09b0
FS:  000055558a9f1500(0000) GS:ffff88812e4e0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000048c0 CR3: 000000002a670000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inet_csk_destroy_sock+0x11c/0x2e0 net/ipv4/inet_connection_sock.c:1312
 __tcp_close+0x981/0xd50 net/ipv4/tcp.c:3235
 tcp_close+0x1f/0xc0 net/ipv4/tcp.c:3247
 inet_release+0x107/0x160 net/ipv4/af_inet.c:435
 __sock_release net/socket.c:647 [inline]
 sock_close+0xb4/0x220 net/socket.c:1391
 __fput+0x328/0x7c0 fs/file_table.c:465
 task_work_run+0x14d/0x1f0 kernel/task_work.c:227
 resume_user_mode_work+0x52/0x60 include/linux/resume_user_mode.h:50
 exit_to_user_mode_loop kernel/entry/common.c:114 [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+0x9a/0x120 kernel/entry/common.c:218
 do_syscall_64+0x103/0x220 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f352adfebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd47d734d8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000001f045 RCX: 00007f352adfebe9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f352b027da0 R08: 0000000000000001 R09: 0000000e47d737cf
R10: 0000001b32120000 R11: 0000000000000246 R12: 00007f352b025fac
R13: 00007f352b025fa0 R14: ffffffffffffffff R15: 00007ffd47d735f0
 </TASK>