------------[ cut here ]------------
page_counter underflow: -4294962980 nr_pages=4294967295
WARNING: CPU: 0 PID: 5 at mm/page_counter.c:56 page_counter_cancel+0xcf/0xe0 mm/page_counter.c:56 mm/page_counter.c:56
Modules linked in:
CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events mptcp_worker
RIP: 0010:page_counter_cancel+0xcf/0xe0 mm/page_counter.c:56 mm/page_counter.c:56
Code: c7 04 24 00 00 00 00 45 31 f6 eb 97 e8 ca ee b3 ff 4c 89 ea 48 89 ee 48 c7 c7 80 fa b8 89 c6 05 af 6c b9 0b 01 e8 ac dd 3f 07 <0f> 0b eb a8 4c 89 e7 e8 65 5a fb ff eb c7 0f 1f 00 41 56 41 55 49
RSP: 0018:ffffc90000ca7918 EFLAGS: 00010082
RAX: 0000000000000000 RBX: ffff88801ee38120 RCX: 0000000000000000
RDX: ffff888010e70000 RSI: ffffffff815f21d8 RDI: fffff52000194f15
RBP: ffffffff000010dc R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815ebf7e R11: 0000000000000000 R12: ffff88801ee38120
R13: 00000000ffffffff R14: 0000000000000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffde5f5b318 CR3: 000000002189b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 page_counter_uncharge+0x2e/0x60 mm/page_counter.c:160 mm/page_counter.c:160
 drain_stock+0xc1/0x180 mm/memcontrol.c:2166 mm/memcontrol.c:2166
 refill_stock+0x139/0x2f0 mm/memcontrol.c:2218 mm/memcontrol.c:2218
 __sk_mem_reduce_allocated+0x24d/0x550 net/core/sock.c:2951 net/core/sock.c:2951
 __mptcp_rmem_reclaim net/mptcp/protocol.c:169 [inline]
 __mptcp_rmem_reclaim net/mptcp/protocol.c:169 [inline] net/mptcp/protocol.c:978
 __mptcp_mem_reclaim_partial+0x124/0x410 net/mptcp/protocol.c:978 net/mptcp/protocol.c:978
 mptcp_mem_reclaim_partial net/mptcp/protocol.c:985 [inline]
 mptcp_alloc_tx_skb net/mptcp/protocol.c:1215 [inline]
 mptcp_mem_reclaim_partial net/mptcp/protocol.c:985 [inline] net/mptcp/protocol.c:1282
 mptcp_alloc_tx_skb net/mptcp/protocol.c:1215 [inline] net/mptcp/protocol.c:1282
 mptcp_sendmsg_frag+0x18c6/0x2190 net/mptcp/protocol.c:1282 net/mptcp/protocol.c:1282
 __mptcp_push_pending+0x232/0x7a0 net/mptcp/protocol.c:1570 net/mptcp/protocol.c:1570
 mptcp_release_cb+0xfe/0x200 net/mptcp/protocol.c:3035 net/mptcp/protocol.c:3035
 release_sock+0xb4/0x1b0 net/core/sock.c:3312 net/core/sock.c:3312
 mptcp_worker+0x51e/0xc20 net/mptcp/protocol.c:2501 net/mptcp/protocol.c:2501
 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298 kernel/workqueue.c:2298
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2445 kernel/workqueue.c:2445
 kthread+0x405/0x4f0 kernel/kthread.c:327 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 arch/x86/entry/entry_64.S:295
 </TASK>