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UBSAN: shift-out-of-bounds in kernel/sched/fair.c:7712:14
shift exponent 72 is too large for 64-bit type 'long unsigned int'
CPU: 0 PID: 13551 Comm: kworker/u4:2 Not tainted 5.12.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x141/0x1d7 lib/dump_stack.c:120
 ubsan_epilogue+0xb/0x5a lib/ubsan.c:148
 __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 lib/ubsan.c:327
 detach_tasks kernel/sched/fair.c:7712 [inline]
 load_balance.cold+0x1d/0x2e kernel/sched/fair.c:9641
 rebalance_domains+0x5cc/0xdb0 kernel/sched/fair.c:10029
 __do_softirq+0x29b/0x9f6 kernel/softirq.c:345
 invoke_softirq kernel/softirq.c:221 [inline]
 __irq_exit_rcu kernel/softirq.c:422 [inline]
 irq_exit_rcu+0x134/0x200 kernel/softirq.c:434
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632
RIP: 0010:write_comp_data kernel/kcov.c:218 [inline]
RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x18/0x70 kernel/kcov.c:291
Code: 48 89 74 38 e8 4e 89 54 c8 20 48 89 10 c3 0f 1f 40 00 49 89 f8 bf 03 00 00 00 4c 8b 14 24 48 89 f1 65 48 8b 34 25 00 f0 01 00 <e8> 83 ef ff ff 84 c0 74 48 48 8b 86 18 15 00 00 8b b6 14 15 00 00
RSP: 0018:ffffc90009fefde8 EFLAGS: 00000246
RAX: 1ffff920013fd57e RBX: ffff88805f7d3880 RCX: 0000000000000000
RDX: ffff88805f7d3880 RSI: ffff88805f7d3880 RDI: 0000000000000003
RBP: ffffc90009feabf0 R08: 0000000000000000 R09: ffff888022106707
R10: ffffffff8144d2c9 R11: 0000000000000000 R12: 0000000000000000
R13: ffffc90009fe8000 R14: dffffc0000000000 R15: ffff88805f7d3e30
 stack_not_used include/linux/sched/task_stack.h:101 [inline]
 check_stack_usage kernel/exit.c:710 [inline]
 do_exit+0x18b9/0x2a60 kernel/exit.c:868
 call_usermodehelper_exec_async+0x413/0x580 kernel/umh.c:123
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
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