================================================================================
UBSAN: shift-out-of-bounds in kernel/sched/fair.c:7712:14
shift exponent 611 is too large for 64-bit type 'long unsigned int'
CPU: 1 PID: 12989 Comm: kworker/u17:5 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:__seqprop_spinlock_sequence include/linux/seqlock.h:277 [inline]
RIP: 0010:path_init+0x1bc/0x1910 fs/namei.c:2308
Code: ef 41 83 e7 01 44 89 fe e8 c1 0d ae ff 45 85 ff 74 45 48 b8 00 00 00 00 00 fc ff df 49 c1 ee 03 49 01 c6 e8 56 07 ae ff f3 90 <41> 0f b6 06 84 c0 74 08 3c 03 0f 8e c9 13 00 00 44 8b 2d 5d 24 fc
RSP: 0018:ffffc9000173f990 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000040 RCX: 0000000000000000
RDX: ffff888064f96380 RSI: ffffffff81c5224a RDI: 0000000000000003
RBP: ffffc9000173fa30 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff81c52274 R11: 0000000000000000 R12: ffffc9000173fbd8
R13: 0000000000000ff5 R14: fffffbfff17828d8 R15: 0000000000000001
 path_openat+0x185/0x27e0 fs/namei.c:3495
 do_filp_open+0x190/0x3d0 fs/namei.c:3527
 do_open_execat+0x116/0x690 fs/exec.c:913
 bprm_execve fs/exec.c:1805 [inline]
 bprm_execve+0x4be/0x19a0 fs/exec.c:1792
 kernel_execve+0x370/0x460 fs/exec.c:1973
 call_usermodehelper_exec_async+0x2de/0x580 kernel/umh.c:110
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
================================================================================