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UBSAN: shift-out-of-bounds in kernel/sched/fair.c:7712:14
shift exponent 95 is too large for 64-bit type 'long unsigned int'
CPU: 2 PID: 5013 Comm: systemd-udevd 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:qlist_free_all+0x43/0xc0 mm/kasan/quarantine.c:163
Code: 00 00 00 49 be 00 00 00 00 00 ea ff ff 49 89 fd 49 bc 00 00 00 00 00 fc ff df eb 2d 48 63 87 c0 00 00 00 48 c7 c2 45 b9 b7 81 <4c> 8b 3e 48 29 c6 48 89 f0 48 c1 e8 03 42 c6 04 20 fb e8 16 c1 ff
RSP: 0018:ffffc90000d47be0 EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffff88807027a200 RCX: ffffea00008c4400
RDX: ffffffff81b7b945 RSI: ffff888023116000 RDI: ffff888010443040
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000028
R10: ffffffff813371ca R11: 000000000000003f R12: dffffc0000000000
R13: ffffc90000d47c18 R14: ffffea0000000000 R15: ffff888023116000
 kasan_quarantine_reduce+0x180/0x200 mm/kasan/quarantine.c:272
 __kasan_slab_alloc+0x7f/0x90 mm/kasan/common.c:437
 kasan_slab_alloc include/linux/kasan.h:223 [inline]
 slab_post_alloc_hook mm/slab.h:516 [inline]
 slab_alloc_node mm/slub.c:2907 [inline]
 slab_alloc mm/slub.c:2915 [inline]
 kmem_cache_alloc+0x155/0x370 mm/slub.c:2920
 getname_flags.part.0+0x50/0x4f0 fs/namei.c:138
 getname_flags fs/namei.c:2735 [inline]
 user_path_at_empty+0xa1/0x100 fs/namei.c:2735
 user_path_at include/linux/namei.h:60 [inline]
 vfs_statx+0x142/0x390 fs/stat.c:195
 vfs_fstatat fs/stat.c:217 [inline]
 vfs_lstat include/linux/fs.h:3240 [inline]
 __do_sys_newlstat+0x91/0x110 fs/stat.c:372
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f298b17f335
Code: 69 db 2b 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 48 89 f0 77 30 48 89 c7 48 89 d6 b8 06 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 03 f3 c3 90 48 8b 15 31 db 2b 00 f7 d8 64 89
RSP: 002b:00007ffed3bd6418 EFLAGS: 00000246 ORIG_RAX: 0000000000000006
RAX: ffffffffffffffda RBX: 000055afea6c4310 RCX: 00007f298b17f335
RDX: 00007ffed3bd6450 RSI: 00007ffed3bd6450 RDI: 000055afea6c3310
RBP: 00007ffed3bd6510 R08: 00007f298b43e298 R09: 0000000000001010
R10: 00007f298b43db58 R11: 0000000000000246 R12: 000055afea6c3310
R13: 000055afea6c3336 R14: 000055afea6a4181 R15: 000055afea6a4186
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