vkms_vblank_simulate: vblank timer overrun
------------[ cut here ]------------
WARNING: CPU: 1 PID: 24 at net/mptcp/protocol.c:695 __mptcp_move_skbs_from_subflow+0x20a9/0x21f0 net/mptcp/protocol.c:695
Modules linked in:
CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.12.0-rc1-syzkaller-00046-g7ec462100ef9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__mptcp_move_skbs_from_subflow+0x20a9/0x21f0 net/mptcp/protocol.c:695
Code: 0f b6 dc 31 ff 89 de e8 e5 fd e7 f5 89 d8 48 81 c4 50 01 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 c8 fa e7 f5 90 <0f> 0b 90 e9 47 ff ff ff e8 ba fa e7 f5 90 0f 0b 90 e9 99 e0 ff ff
RSP: 0018:ffffc900001e6b58 EFLAGS: 00010246
RAX: ffffffff8bace0e8 RBX: 0000000000003d28 RCX: ffff88801d2f0000
RDX: 0000000000000100 RSI: 000000000000f00e RDI: 0000000000003d28
RBP: 1ffff1100626379e R08: ffffffff8bacd0e2 R09: 1ffff1100a2d1c8c
R10: dffffc0000000000 R11: ffffed100a2d1c8d R12: 0000000000000000
R13: dffffc0000000000 R14: 00000000f3335392 R15: 000000000000f00e
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000001eb9e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 move_skbs_to_msk net/mptcp/protocol.c:811 [inline]
 mptcp_data_ready+0x29c/0xa90 net/mptcp/protocol.c:854
 subflow_data_ready+0x34a/0x920 net/mptcp/subflow.c:1490
 tcp_data_queue+0x20fd/0x76c0 net/ipv4/tcp_input.c:5283
 tcp_rcv_established+0xfba/0x2020 net/ipv4/tcp_input.c:6237
 tcp_v4_do_rcv+0x96d/0xc70 net/ipv4/tcp_ipv4.c:1915
 tcp_v4_rcv+0x2dc0/0x37f0 net/ipv4/tcp_ipv4.c:2350
 ip_protocol_deliver_rcu+0x22e/0x440 net/ipv4/ip_input.c:205
 ip_local_deliver_finish+0x341/0x5f0 net/ipv4/ip_input.c:233
 NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314
 NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314
 __netif_receive_skb_one_core net/core/dev.c:5662 [inline]
 __netif_receive_skb+0x2bf/0x650 net/core/dev.c:5775
 process_backlog+0x662/0x15b0 net/core/dev.c:6107
 __napi_poll+0xcb/0x490 net/core/dev.c:6771
 napi_poll net/core/dev.c:6840 [inline]
 net_rx_action+0x89b/0x1240 net/core/dev.c:6962
 handle_softirqs+0x2c5/0x980 kernel/softirq.c:554
 run_ksoftirqd+0xca/0x130 kernel/softirq.c:927
 smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>