[    9.864931][  T199] ------------[ cut here ]------------
[    9.865210][  T199] UBSAN: shift-out-of-bounds in kernel/trace/trace.c:10510:10
[    9.865436][  T199] shift exponent 32 is too large for 32-bit type 'int'
[    9.865687][  T199] CPU: 2 UID: 0 PID: 199 Comm: rst_ipv6 Not tainted 6.19.0-rc1-virtme #1 PREEMPT(full) 
[    9.865691][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.865693][  T199] Call Trace:
[    9.865695][  T199]  <TASK>
[    9.865697][  T199]  dump_stack_lvl+0x6f/0xa0
[    9.865705][  T199]  ubsan_epilogue+0x5/0x2b
[    9.865709][  T199]  __ubsan_handle_shift_out_of_bounds.cold+0xbf/0x199
[    9.865716][  T199]  __remove_instance.part.0.constprop.0.cold+0x18/0x7a2
[    9.865721][  T199]  instance_rmdir+0x24c/0x360
[    9.865726][  T199]  tracefs_syscall_rmdir+0xc2/0x150
[    9.865730][  T199]  vfs_rmdir+0x2fa/0x6d0
[    9.865736][  T199]  do_rmdir+0x31e/0x4e0
[    9.865738][  T199]  ? __ia32_sys_mkdir+0x90/0x90
[    9.865740][  T199]  ? __lock_release.isra.0+0x59/0x170
[    9.865745][  T199]  ? __might_fault+0x97/0x140
[    9.865752][  T199]  __x64_sys_rmdir+0x43/0x60
[    9.865753][  T199]  ? do_syscall_64+0x88/0xfc0
[    9.865757][  T199]  do_syscall_64+0xbd/0xfc0
[    9.865760][  T199]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    9.865763][  T199] RIP: 0033:0x7f03de47476b
[    9.865767][  T199] 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
[    9.865768][  T199] RSP: 002b:00007f03ddb84c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000054
[    9.865772][  T199] RAX: ffffffffffffffda RBX: 000000003755f380 RCX: 00007f03de47476b
[    9.865773][  T199] RDX: 0000000000000000 RSI: 00007f03de5c5820 RDI: 000000003755f320
[    9.865775][  T199] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
[    9.865775][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000003755f400
[    9.865776][  T199] R13: 000000003755f3d0 R14: 00007f03ddb84cd0 R15: 0000000000000000
[    9.865783][  T199]  </TASK>
[    9.865784][  T199] ---[ end trace ]---
[    9.934912][  T194] rst_ipv6 (194) used greatest stack depth: 24632 bytes left