[    9.818072][  T206] ------------[ cut here ]------------
[    9.818290][  T206] UBSAN: shift-out-of-bounds in kernel/trace/trace.c:10510:10
[    9.818484][  T206] shift exponent 32 is too large for 32-bit type 'int'
[    9.818854][  T206] CPU: 1 UID: 0 PID: 206 Comm: rst_ipv6 Not tainted 6.19.0-rc1-virtme #1 PREEMPT(full) 
[    9.818857][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.818858][  T206] Call Trace:
[    9.818860][  T206]  <TASK>
[    9.818861][  T206]  dump_stack_lvl+0x6f/0xa0
[    9.818869][  T206]  ubsan_epilogue+0x5/0x2b
[    9.818873][  T206]  __ubsan_handle_shift_out_of_bounds.cold+0xbf/0x199
[    9.818880][  T206]  __remove_instance.part.0.constprop.0.cold+0x18/0x7a2
[    9.818886][  T206]  instance_rmdir+0x24c/0x360
[    9.818891][  T206]  tracefs_syscall_rmdir+0xc2/0x150
[    9.818896][  T206]  vfs_rmdir+0x2fa/0x6d0
[    9.818901][  T206]  do_rmdir+0x31e/0x4e0
[    9.818904][  T206]  ? __ia32_sys_mkdir+0x90/0x90
[    9.818905][  T206]  ? __lock_release.isra.0+0x59/0x170
[    9.818910][  T206]  ? __might_fault+0x97/0x140
[    9.818918][  T206]  __x64_sys_rmdir+0x43/0x60
[    9.818919][  T206]  ? do_syscall_64+0x88/0xfc0
[    9.818923][  T206]  do_syscall_64+0xbd/0xfc0
[    9.818926][  T206]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    9.818928][  T206] RIP: 0033:0x7f7ad942976b
[    9.818932][  T206] 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
[    9.818934][  T206] RSP: 002b:00007f7ad8b39c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000054
[    9.818937][  T206] RAX: ffffffffffffffda RBX: 000000001a1b5380 RCX: 00007f7ad942976b
[    9.818939][  T206] RDX: 0000000000000000 RSI: 00007f7ad957a820 RDI: 000000001a1b5320
[    9.818940][  T206] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
[    9.818941][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 000000001a1b5400
[    9.818942][  T206] R13: 000000001a1b53d0 R14: 00007f7ad8b39cd0 R15: 0000000000000000
[    9.818948][  T206]  </TASK>
[    9.818949][  T206] ---[ end trace ]---
[    9.890476][  T202] rst_ipv6 (202) used greatest stack depth: 24064 bytes left