private-lib can't include /usr/lib/gcc/x86_64-pc-linux-gnu/*/*.so.*

[crocket]

Description

$ ldd /usr/bin/aria2c
        linux-vdso.so.1 (0x00007ffe5f7fc000)
        libaria2.so.0 => /usr/lib64/libaria2.so.0 (0x00007f14a0438000)
        libstdc++.so.6 => /usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/libstdc++.so.6 (0x00007f14a0228000)
        libgcc_s.so.1 => /usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/libgcc_s.so.1 (0x00007f14a0208000)
        libc.so.6 => /lib64/libc.so.6 (0x00007f14a0048000)
        libz.so.1 => /lib64/libz.so.1 (0x00007f14a0028000)
        libxml2.so.2 => /usr/lib64/libxml2.so.2 (0x00007f149feb8000)
        libgnutls.so.30 => /usr/lib64/libgnutls.so.30 (0x00007f149fcc8000)
        libnettle.so.8 => /usr/lib64/libnettle.so.8 (0x00007f149fc80000)
        libm.so.6 => /lib64/libm.so.6 (0x00007f149fb38000)
        /lib64/ld-linux-x86-64.so.2 (0x00007f14a06c8000)
        libdl.so.2 => /lib64/libdl.so.2 (0x00007f149fb30000)
        libicuuc.so.70 => /usr/lib64/libicuuc.so.70 (0x00007f149f938000)
        libidn2.so.0 => /usr/lib64/libidn2.so.0 (0x00007f149f910000)
        libunistring.so.2 => /usr/lib64/libunistring.so.2 (0x00007f149f788000)
        libtasn1.so.6 => /usr/lib64/libtasn1.so.6 (0x00007f149f770000)
        libhogweed.so.6 => /usr/lib64/libhogweed.so.6 (0x00007f149f720000)
        libgmp.so.10 => /usr/lib64/libgmp.so.10 (0x00007f149f6a0000)
        libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f149f680000)
        libicudata.so.70 => /usr/lib64/libicudata.so.70 (0x00007f149da60000)

$ firejail --private-lib --ignore=private-lib --private-bin=bash --profile=aria2c bash
...
3 programs installed in 8.34 ms
Standard C library installed in 2.19 ms
Firejail libraries installed in 1.58 ms
Warning fldd: cannot find libstdc++.so.6, skipping...
Warning fldd: cannot find libgcc_s.so.1, skipping...
Warning fldd: cannot find libstdc++.so.6, skipping...
Warning fldd: cannot find libgcc_s.so.1, skipping...
Warning fldd: cannot find libstdc++.so.6, skipping...
Warning fldd: cannot find libgcc_s.so.1, skipping...
Program libraries installed in 10.15 ms
...

Environment

• Linux distribution and version: Gentoo Linux
• Firejail version: 0.9.68