UrBackup (and maybe some other) software sefaulting with the latest libcrypto++6 (5.6.4-9build1) package in focal

[Nickolay Stepanenko]

with libcrypto++6 package version 5.6.4-9build1 UrBackup software (and some other) has an issue described here: https://forums.urbackup.org/t/urbackupsrv-crashes-on-ubuntu-20-04/

It simply crashes (segfault) while executing some thread (InternetService)

root@backup:~# lsb_release -rd
Description: Ubuntu 20.04.1 LTS
Release: 20.04

The gdb output below:

2020-08-09 15:42:39: InternetService: No available slots… starting new Worker
[New Thread 0x7fffb27fc700 (LWP 764074)]
–Type for more, q to quit, c to continue without paging–bt
Thread 27 “InternetService” received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffb27fc700 (LWP 764074)]
__memmove_sse2_unaligned_erms () at …/sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:383
383 …/sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S: No such file or directory.