[   38.175080][  T201] ------------[ cut here ]------------
[   38.175302][  T201] UBSAN: shift-out-of-bounds in kernel/trace/trace.c:10510:10
[   38.175480][  T201] shift exponent 32 is too large for 32-bit type 'int'
[   38.175656][  T201] CPU: 3 UID: 0 PID: 201 Comm: bench-lookups_i Not tainted 6.19.0-rc1-virtme #1 PREEMPT(full) 
[   38.175660][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.175662][  T201] Call Trace:
[   38.175663][  T201]  <TASK>
[   38.175665][  T201]  dump_stack_lvl+0x6f/0xa0
[   38.175674][  T201]  ubsan_epilogue+0x5/0x2b
[   38.175678][  T201]  __ubsan_handle_shift_out_of_bounds.cold+0xbf/0x199
[   38.175687][  T201]  __remove_instance.part.0.constprop.0.cold+0x18/0x7a2
[   38.175695][  T201]  instance_rmdir+0x24c/0x360
[   38.175702][  T201]  tracefs_syscall_rmdir+0xc2/0x150
[   38.175707][  T201]  vfs_rmdir+0x2fa/0x6d0
[   38.175712][  T201]  do_rmdir+0x31e/0x4e0
[   38.175715][  T201]  ? __ia32_sys_mkdir+0x90/0x90
[   38.175717][  T201]  ? __lock_release.isra.0+0x59/0x170
[   38.175721][  T201]  ? __might_fault+0x97/0x140
[   38.175729][  T201]  __x64_sys_rmdir+0x43/0x60
[   38.175730][  T201]  ? do_syscall_64+0x88/0xfc0
[   38.175734][  T201]  do_syscall_64+0xbd/0xfc0
[   38.175737][  T201]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   38.175740][  T201] RIP: 0033:0x7febc4de476b
[   38.175744][  T201] Code: f0 ff ff 73 01 c3 48 8b 0d 92 06 10 00 f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 54 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 61 06 10 00 f7 d8
[   38.175746][  T201] RSP: 002b:00007ffe821e3268 EFLAGS: 00000202 ORIG_RAX: 0000000000000054
[   38.175750][  T201] RAX: ffffffffffffffda RBX: 0000000032be6380 RCX: 00007febc4de476b
[   38.175751][  T201] RDX: 0000000000000000 RSI: 00007febc502a820 RDI: 0000000032be6320
[   38.175752][  T201] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
[   38.175753][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000032be6400
[   38.175754][  T201] R13: 0000000032be63d0 R14: 00007ffe821e32a0 R15: 0000000000000000
[   38.175760][  T201]  </TASK>
[   38.175761][  T201] ---[ end trace ]---
[   38.372222][  T201] bench-lookups_i (201) used greatest stack depth: 24544 bytes left