BUG: sleeping function called from invalid context at net/core/sock.c:3263
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 8095, name: syz-executor.5
7 locks held by syz-executor.5/8095:
 #0: ffffffff8d9e4188 (sock_diag_mutex){+.+.}-{3:3}, at: sock_diag_rcv+0x17/0x40 net/core/sock_diag.c:275
 #1: ffffffff8d9e3fe8 (sock_diag_table_mutex){+.+.}-{3:3}, at: sock_diag_rcv_msg+0xb8/0x400 net/core/sock_diag.c:255
 #2: ffff88802f6b1690 (nlk_cb_mutex-SOCK_DIAG){+.+.}-{3:3}, at: netlink_dump+0xd0/0xc40 net/netlink/af_netlink.c:2227
 #3: ffffffff8dac2508 (inet_diag_table_mutex){+.+.}-{3:3}, at: inet_diag_lock_handler net/ipv4/inet_diag.c:63 [inline]
 #3: ffffffff8dac2508 (inet_diag_table_mutex){+.+.}-{3:3}, at: __inet_diag_dump+0x191/0x3a0 net/ipv4/inet_diag.c:1177
 #4: ffffffff8c91f220 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:268
 #5: ffffc900017b4548 (&h->lhash2[i].lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:363 [inline]
 #5: ffffc900017b4548 (&h->lhash2[i].lock){+.+.}-{2:2}, at: mptcp_diag_dump_listeners net/mptcp/mptcp_diag.c:95 [inline]
 #5: ffffc900017b4548 (&h->lhash2[i].lock){+.+.}-{2:2}, at: mptcp_diag_dump+0x869/0x1330 net/mptcp/mptcp_diag.c:194
 #6: ffff888031fa0ca0 (msk_lock-AF_INET){+.+.}-{0:0}, at: inet_sk_diag_fill+0xf6a/0x1cb0 net/ipv4/inet_diag.c:342
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 8095 Comm: syz-executor.5 Not tainted 5.15.146-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9626
 __lock_sock_fast+0x2f/0xe0 net/core/sock.c:3263
 lock_sock_fast include/net/sock.h:1702 [inline]
 mptcp_diag_get_info+0x282/0xa10 net/mptcp/mptcp_diag.c:224
 inet_sk_diag_fill+0xf6a/0x1cb0 net/ipv4/inet_diag.c:342
 sk_diag_dump net/mptcp/mptcp_diag.c:24 [inline]
 mptcp_diag_dump_listeners net/mptcp/mptcp_diag.c:122 [inline]
 mptcp_diag_dump+0xd1d/0x1330 net/mptcp/mptcp_diag.c:194
 __inet_diag_dump+0x20e/0x3a0 net/ipv4/inet_diag.c:1179
 inet_diag_dump_compat+0x1bd/0x2d0 net/ipv4/inet_diag.c:1287
 netlink_dump+0x606/0xc40 net/netlink/af_netlink.c:2279
 __netlink_dump_start+0x52f/0x6f0 net/netlink/af_netlink.c:2384
 netlink_dump_start include/linux/netlink.h:258 [inline]
 inet_diag_rcv_msg_compat+0x202/0x4c0 net/ipv4/inet_diag.c:1321
 sock_diag_rcv_msg+0xd5/0x400
 netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2505
 sock_diag_rcv+0x26/0x40 net/core/sock_diag.c:276
 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline]
 netlink_unicast+0x7b6/0x980 net/netlink/af_netlink.c:1356
 netlink_sendmsg+0xa30/0xd60 net/netlink/af_netlink.c:1924
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2429
 ___sys_sendmsg+0x252/0x2e0 net/socket.c:2483
 __sys_sendmsg net/socket.c:2512 [inline]
 __do_sys_sendmsg net/socket.c:2521 [inline]
 __se_sys_sendmsg+0x19a/0x260 net/socket.c:2519
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7ff363735da9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff361c960c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ff363865050 RCX: 00007ff363735da9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
RBP: 00007ff36378247a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007ff363865050 R15: 00007fffd136b8c8
 </TASK>