------------[ cut here ]------------
WARNING: net/core/sock_map.c:1667 at sock_map_destroy+0x28b/0x2b0 net/core/sock_map.c:1667, CPU#0: syz.0.1927/10726
Modules linked in:
CPU: 0 UID: 0 PID: 10726 Comm: syz.0.1927 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:sock_map_destroy+0x28b/0x2b0 net/core/sock_map.c:1667
Code: 8b 36 49 83 c6 38 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 83 bb 50 f9 4d 8b 3e e9 79 ff ff ff e8 56 81 ee f8 90 <0f> 0b 90 eb 9c e8 4b 81 ee f8 4c 89 e7 be 03 00 00 00 e8 4e 75 ac
RSP: 0018:ffffc9000bc0fbb8 EFLAGS: 00010293
RAX: ffffffff88d0da3a RBX: ffff888053c8af40 RCX: ffff88805521dac0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1004f6ff46 R12: dffffc0000000000
R13: ffff888053c8af40 R14: ffffffff9918a338 R15: ffffffff88d0d7b0
FS:  000055557dc4c500(0000) GS:ffff888126d09000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000048c0 CR3: 0000000033e82000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 inet_csk_destroy_sock+0x165/0x340 net/ipv4/inet_connection_sock.c:1271
 __tcp_close+0xd2e/0x1010 net/ipv4/tcp.c:3285
 tcp_close+0x28/0x110 net/ipv4/tcp.c:3297
 inet_release+0x144/0x190 net/ipv4/af_inet.c:437
 __sock_release net/socket.c:662 [inline]
 sock_close+0xc3/0x240 net/socket.c:1455
 __fput+0x45b/0xa80 fs/file_table.c:468
 task_work_run+0x1d4/0x260 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:44 [inline]
 exit_to_user_mode_loop+0xef/0x4e0 kernel/entry/common.c:75
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
 do_syscall_64+0x2c1/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa3c925ebe9
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:00007fffe9a97e48 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000003ad67 RCX: 00007fa3c925ebe9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fa3c9487da0 R08: 0000000000000001 R09: 0000000ee9a9813f
R10: 0000001b2f920000 R11: 0000000000000246 R12: 00007fa3c9485fac
R13: 00007fa3c9485fa0 R14: ffffffffffffffff R15: 00007fffe9a97f60
 </TASK>