------------[ cut here ]------------
WARNING: CPU: 2 PID: 19141 at net/ipv4/af_inet.c:153 inet_sock_destruct+0x6b9/0x880 net/ipv4/af_inet.c:153
Modules linked in:
CPU: 2 PID: 19141 Comm: kworker/2:16 Not tainted 5.19.0-rc3-syzkaller-00043-g3abc3ae553c7 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
Workqueue: events mptcp_worker
RIP: 0010:inet_sock_destruct+0x6b9/0x880 net/ipv4/af_inet.c:153
Code: 41 8b 9c 24 28 02 00 00 e9 f2 fe ff ff e8 cf fd 90 f9 0f 0b e9 df fd ff ff e8 c3 fd 90 f9 0f 0b e9 30 fe ff ff e8 b7 fd 90 f9 <0f> 0b e9 6b fe ff ff e8 ab fd 90 f9 0f 0b e9 d8 fe ff ff e8 3f c1
RSP: 0018:ffffc90025357a88 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 00000000000a65e0 RCX: 0000000000000000
RDX: ffff88801c575880 RSI: ffffffff87e977c9 RDI: 0000000000000005
RBP: ffff88801263a668 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000000a65e0 R11: 0000000000000001 R12: ffff88801263a640
R13: ffff88801263a8b4 R14: 0000000000000003 R15: ffff888000546e58
FS:  0000000000000000(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000f6f36110 CR3: 000000006ffa6000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __sk_destruct+0x4d/0x710 net/core/sock.c:2067
 sk_destruct net/core/sock.c:2112 [inline]
 __sk_free+0x1a4/0x4a0 net/core/sock.c:2123
 sk_free+0x78/0xa0 net/core/sock.c:2134
 sock_put include/net/sock.h:1927 [inline]
 __mptcp_close_ssk+0x4f5/0x700 net/mptcp/protocol.c:2356
 __mptcp_destroy_sock+0x2d7/0x6b0 net/mptcp/protocol.c:2808
 mptcp_worker+0x478/0xd70 net/mptcp/protocol.c:2568
 process_one_work+0x996/0x1610 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e9/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
 </TASK>