================================================================================
UBSAN: shift-out-of-bounds in kernel/sched/fair.c:7712:14
shift exponent 88 is too large for 64-bit type 'unsigned long'
CPU: 1 PID: 36 Comm: kworker/1:1 Not tainted 5.12.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: wg-crypt-wg0 wg_packet_tx_worker
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x176/0x24e lib/dump_stack.c:120
 ubsan_epilogue lib/ubsan.c:148 [inline]
 __ubsan_handle_shift_out_of_bounds+0x42e/0x4d0 lib/ubsan.c:327
 detach_tasks+0xd04/0x1110 kernel/sched/fair.c:7712
 load_balance+0x39f6/0x5a80 kernel/sched/fair.c:9641
 rebalance_domains+0x4ca/0x9c0 kernel/sched/fair.c:10029
 __do_softirq+0x318/0x714 kernel/softirq.c:345
 do_softirq+0x101/0x180 kernel/softirq.c:248
 </IRQ>
 __local_bh_enable_ip+0x12e/0x170 kernel/softirq.c:198
 wg_socket_send_skb_to_peer+0x172/0x1d0 drivers/net/wireguard/socket.c:183
 wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline]
 wg_packet_tx_worker+0x1f1/0x890 drivers/net/wireguard/send.c:276
 process_one_work+0x789/0xfd0 kernel/workqueue.c:2275
 worker_thread+0xac1/0x1300 kernel/workqueue.c:2421
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
================================================================================