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UBSAN: shift-out-of-bounds in kernel/sched/fair.c:7712:14
shift exponent 125 is too large for 64-bit type 'long unsigned int'
CPU: 2 PID: 11953 Comm: syz-executor.2 Not tainted 5.12.0-rc8-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
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:do_user_addr_fault+0x5c2/0x1210 arch/x86/mm/fault.c:1288
Code: ea 48 89 ee 41 b8 01 00 00 00 4c 89 e7 e8 76 ef ff ff e9 05 01 00 00 e8 cc ee 40 00 e8 07 de 46 00 fb c7 44 24 04 54 02 00 00 <e9> 09 fc ff ff e8 b4 ee 40 00 4c 89 e9 4c 89 e2 be 01 00 00 00 bf
RSP: 0000:ffffc9000bbbfeb8 EFLAGS: 00000206
RAX: 000000000255d187 RBX: 0000000000000003 RCX: 1ffffffff1b89e11
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8179e4c8 R11: 0000000000000000 R12: ffffc9000bbbff58
R13: 0000000000000050 R14: 0000000000000050 R15: ffff888022882300
 handle_page_fault arch/x86/mm/fault.c:1475 [inline]
 exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1531
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:577
RIP: 0023:0x8052207
Code: 0c 50 e8 ac 5a 01 00 83 c4 10 85 c0 0f 84 b9 01 00 00 65 f0 83 2d d8 ff ff ff 01 8b 5c 24 08 e8 6f f7 00 00 8b 4c 24 0c 8b 00 <8b> 71 50 89 41 54 85 c0 75 05 83 fe ff 74 19 6b 44 24 1c 34 8b 4c
RSP: 002b:00000000f5519640 EFLAGS: 00010283
RAX: 0000000000000009 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 00000000080521e4 RSI: 0000000000000005 RDI: 00000000080ea51d
RBP: 000000000819afc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
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