The very 1st bug I have just found in Oracle Linux 8.3: running the built in rear version 2.4 = segfault

[root@valami /]# dmesg -T| grep -i error
[h jan 11 14:10:27 2021] RAS: Correctable Errors collector initialized.
[h jan 11 14:22:46 2021] ld-linux-x86-64[8895]: segfault at 7f38ccd19370 ip 00007f38ccaf9086 sp 00007ffda66c2ce0 error 7 in ld-2.28.so[7f38ccaf2000+29000]
[h jan 11 14:23:02 2021] ld-linux-x86-64[15887]: segfault at 7f183f5c1370 ip 00007f183f3a1086 sp 00007ffd34a6e1f0 error 7 in ld-2.28.so[7f183f39a000+29000]
[h jan 11 14:23:02 2021] ld-linux-x86-64[15915]: segfault at 7f33383fa3c8 ip 00007f33381da086 sp 00007fffe0125830 error 7 in ld-2.28.so[7f33381d3000+29000]
[h jan 11 14:23:02 2021] ld-linux-x86-64[15944]: segfault at 7f1801411370 ip 00007f18011f1086 sp 00007ffeed433fc0 error 7 in ld-2.28.so[7f18011ea000+29000]
[h jan 11 14:23:03 2021] ld-linux-x86-64[15973]: segfault at 7f313eb833c8 ip 00007f313e963086 sp 00007ffe3dfc6670 error 7 in ld-2.28.so[7f313e95c000+29000]
[h jan 11 14:26:24 2021] ld-linux-x86-64[22369]: segfault at 7f7434995370 ip 00007f7434775086 sp 00007ffd2c3caa60 error 7 in ld-2.28.so[7f743476e000+29000]
[h jan 11 14:26:39 2021] ld-linux-x86-64[29392]: segfault at 7f1389264370 ip 00007f1389044086 sp 00007ffdb0f3f630 error 7 in ld-2.28.so[7f138903d000+29000]
[h jan 11 14:26:39 2021] ld-linux-x86-64[29420]: segfault at 7f4ba5a513c8 ip 00007f4ba5831086 sp 00007ffcb6a37530 error 7 in ld-2.28.so[7f4ba582a000+29000]
[h jan 11 14:26:39 2021] ld-linux-x86-64[29448]: segfault at 7f5f99db1370 ip 00007f5f99b91086 sp 00007ffd45e46930 error 7 in ld-2.28.so[7f5f99b8a000+29000]
[h jan 11 14:26:40 2021] ld-linux-x86-64[29476]: segfault at 7fa0bb9ec3c8 ip 00007fa0bb7cc086 sp 00007ffc7f4af6a0 error 7 in ld-2.28.so[7fa0bb7c5000+29000]
[h jan 11 14:29:20 2021] ld-linux-x86-64[34343]: segfault at 7f719d9ed370 ip 00007f719d7cd086 sp 00007ffe37a56fe0 error 7 in ld-2.28.so[7f719d7c6000+29000]
[h jan 11 14:29:34 2021] ld-linux-x86-64[41337]: segfault at 7f592ffcb370 ip 00007f592fdab086 sp 00007ffcf11d49a0 error 7 in ld-2.28.so[7f592fda4000+29000]
[h jan 11 14:29:34 2021] ld-linux-x86-64[41365]: segfault at 7f085dd1b3c8 ip 00007f085dafb086 sp 00007ffd687ffd70 error 7 in ld-2.28.so[7f085daf4000+29000]
[h jan 11 14:29:34 2021] ld-linux-x86-64[41393]: segfault at 7f2837739370 ip 00007f2837519086 sp 00007ffc8fb9bb10 error 7 in ld-2.28.so[7f2837512000+29000]
[h jan 11 14:29:34 2021] ld-linux-x86-64[41421]: segfault at 7f9e382563c8 ip 00007f9e38036086 sp 00007ffd783ca7f0 error 7 in ld-2.28.so[7f9e3802f000+29000]

Workaround:
use this repo: http://download.opensuse.org/repositories/Archiving:/Backup:/Rear/CentO…

DR test is not OK. Workaround does not seem to be working ...