------------[ cut here ]------------
WARNING: CPU: 0 PID: 13 at net/ipv4/af_inet.c:156 inet_sock_destruct+0x641/0x740 net/ipv4/af_inet.c:-1
Modules linked in:
CPU: 0 PID: 13 Comm: kworker/0:1 Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: events mptcp_worker
RIP: 0010:inet_sock_destruct+0x641/0x740 net/ipv4/af_inet.c:156
Code: 5c 41 5d 41 5e 41 5f 5d e9 bc da 4c 01 e8 a7 a4 8e f8 0f 0b e9 61 fe ff ff e8 9b a4 8e f8 0f 0b e9 96 fe ff ff e8 8f a4 8e f8 <0f> 0b e9 be fe ff ff e8 83 a4 8e f8 0f 0b e9 e6 fe ff ff 89 d9 80
RSP: 0018:ffffc90000d27960 EFLAGS: 00010293
RAX: ffffffff88f1f831 RBX: 0000000000018e88 RCX: ffff88813ff20000
RDX: 0000000000000000 RSI: 0000000000018e88 RDI: 0000000000000000
RBP: 0000000000000007 R08: ffffffff88f1f6e9 R09: ffffed1004a444d0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888025222400
R13: ffff888025222908 R14: dffffc0000000000 R15: ffff888025222412
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6bf1545bd0 CR3: 00000000205ac000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __sk_destruct+0x54/0x840 net/core/sock.c:1958
 sock_put include/net/sock.h:1929 [inline]
 __mptcp_close_ssk+0x2b9/0x470 net/mptcp/protocol.c:2338
 __mptcp_destroy_sock+0x4c6/0x7f0 net/mptcp/protocol.c:2763
 mptcp_worker+0xbd4/0xfd0 net/mptcp/protocol.c:2533
 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>