[    9.263861][    C2] TCP: TCP-AO: the keyid 100 from SYN packet is not present - not sending SYNACK
[   10.266705][    C2] TCP: TCP-AO: the keyid 100 from SYN packet is not present - not sending SYNACK
[   10.267662][    C2] TCP: TCP-AO: the keyid 100 from SYN packet is not present - not sending SYNACK
[   11.290075][    C2] TCP: TCP-AO: the keyid 100 from SYN packet is not present - not sending SYNACK
[   11.291864][    C2] TCP: TCP-AO: the keyid 100 from SYN packet is not present - not sending SYNACK
[   12.314044][    C2] TCP: TCP-AO: the keyid 100 from SYN packet is not present - not sending SYNACK
[   12.315126][    C2] TCP: TCP-AO: the keyid 100 from SYN packet is not present - not sending SYNACK
[   13.338062][    C2] TCP: TCP-AO: the keyid 100 from SYN packet is not present - not sending SYNACK
[   13.339119][    C2] TCP: TCP-AO: the keyid 100 from SYN packet is not present - not sending SYNACK
[   14.363093][    C2] TCP: TCP-AO: the keyid 100 from SYN packet is not present - not sending SYNACK
[   14.364267][    C2] TCP: TCP-AO: the keyid 100 from SYN packet is not present - not sending SYNACK
[   15.387041][    C2] TCP: TCP-AO: the keyid 100 from SYN packet is not present - not sending SYNACK
[   16.015546][  T205] ------------[ cut here ]------------
[   16.015788][  T205] UBSAN: shift-out-of-bounds in kernel/trace/trace.c:10510:10
[   16.016031][  T205] shift exponent 32 is too large for 32-bit type 'int'
[   16.016211][  T205] CPU: 1 UID: 0 PID: 205 Comm: connect-deny_ip Not tainted 6.19.0-rc1-virtme #1 PREEMPT(full) 
[   16.016214][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.016216][  T205] Call Trace:
[   16.016217][  T205]  <TASK>
[   16.016219][  T205]  dump_stack_lvl+0x6f/0xa0
[   16.016228][  T205]  ubsan_epilogue+0x5/0x2b
[   16.016232][  T205]  __ubsan_handle_shift_out_of_bounds.cold+0xbf/0x199
[   16.016240][  T205]  __remove_instance.part.0.constprop.0.cold+0x18/0x7a2
[   16.016246][  T205]  instance_rmdir+0x24c/0x360
[   16.016251][  T205]  tracefs_syscall_rmdir+0xc2/0x150
[   16.016263][  T205]  vfs_rmdir+0x2fa/0x6d0
[   16.016269][  T205]  do_rmdir+0x31e/0x4e0
[   16.016272][  T205]  ? __ia32_sys_mkdir+0x90/0x90
[   16.016274][  T205]  ? __lock_release.isra.0+0x59/0x170
[   16.016278][  T205]  ? __might_fault+0x97/0x140
[   16.016287][  T205]  __x64_sys_rmdir+0x43/0x60
[   16.016288][  T205]  ? do_syscall_64+0x88/0xfc0
[   16.016292][  T205]  do_syscall_64+0xbd/0xfc0
[   16.016295][  T205]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   16.016297][  T205] RIP: 0033:0x7f2437fc076b
[   16.016301][  T205] 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
[   16.016303][  T205] RSP: 002b:00007f24376d0c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000054
[   16.016307][  T205] RAX: ffffffffffffffda RBX: 000000002f804380 RCX: 00007f2437fc076b
[   16.016308][  T205] RDX: 0000000000000000 RSI: 00007f2438111820 RDI: 000000002f804320
[   16.016309][  T205] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007f2437ed2fc4
[   16.016310][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 000000002f804400
[   16.016311][  T205] R13: 000000002f8043d0 R14: 00007f24376d0cd0 R15: 0000000000000000
[   16.016318][  T205]  </TASK>
[   16.016320][  T205] ---[ end trace ]---