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[GH-ISSUE #3118] Can't load libstdc++.so.6 due to private-etc (Gentoo) #1955

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opened 2026-05-05 08:37:14 -06:00 by gitea-mirror · 5 comments

gitea-mirror commented

2026-05-05 08:37:14 -06:00

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Originally created by @reagentoo on GitHub (Jan 3, 2020).
Original GitHub issue: https://github.com/netblue30/firejail/issues/3118

ERROR: ffmpeg: error while loading shared libraries: libstdc++.so.6: cannot open shared object file: No such file or directory

Affected applications: celluloid, evince, youtube-dl

My temporary fix is to remove next lines:
celluloid.profile:

private-etc alternatives,ca-certificates,crypto-policies,dconf,drirc,fonts,gtk-3.0,hosts,libva.conf,localtime,machine-id,pkcs11,pki,resolv.conf,selinux,ssl,xdg

evince.profile:

private-etc alternatives,fonts,group,machine-id,passwd
private-lib evince,gconv,gdk-pixbuf-2.*,gio,gvfs/libgvfscommon.so,libdjvulibre.so.*,libgconf-2.so.*,libgraphite2.so.*,libpoppler-glib.so.*,librsvg-2.so.*,libspectre.so.*

youtube-dl.profile:

private-etc alternatives,ca-certificates,crypto-policies,hostname,hosts,mime.types,pki,resolv.conf,ssl,youtube-dl.conf

Originally created by @reagentoo on GitHub (Jan 3, 2020). Original GitHub issue: https://github.com/netblue30/firejail/issues/3118 `ERROR: ffmpeg: error while loading shared libraries: libstdc++.so.6: cannot open shared object file: No such file or directory` Affected applications: celluloid, evince, youtube-dl My temporary fix is to remove next lines: celluloid.profile: ``` private-etc alternatives,ca-certificates,crypto-policies,dconf,drirc,fonts,gtk-3.0,hosts,libva.conf,localtime,machine-id,pkcs11,pki,resolv.conf,selinux,ssl,xdg ``` evince.profile: ``` private-etc alternatives,fonts,group,machine-id,passwd private-lib evince,gconv,gdk-pixbuf-2.*,gio,gvfs/libgvfscommon.so,libdjvulibre.so.*,libgconf-2.so.*,libgraphite2.so.*,libpoppler-glib.so.*,librsvg-2.so.*,libspectre.so.* ``` youtube-dl.profile: ``` private-etc alternatives,ca-certificates,crypto-policies,hostname,hosts,mime.types,pki,resolv.conf,ssl,youtube-dl.conf ```

gitea-mirror closed this issue

2026-05-05 08:37:14 -06:00

gitea-mirror commented

2026-05-05 08:37:17 -06:00

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@reagentoo commented on GitHub (Jan 3, 2020):

Adding ld.so.cache to private-etc solve this. But except for "evince":

Warning fldd: cannot find libstdc++.so.6, skipping...
Warning fldd: cannot find libgcc_s.so.1, skipping...

@reagentoo commented on GitHub (Jan 3, 2020): Adding `ld.so.cache` to `private-etc` solve this. But except for "evince": ``` Warning fldd: cannot find libstdc++.so.6, skipping... Warning fldd: cannot find libgcc_s.so.1, skipping... ``` Similar issue: https://github.com/netblue30/firejail/issues/1320

gitea-mirror commented

2026-05-05 08:37:17 -06:00

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@ghost commented on GitHub (Jan 4, 2020):

Adding ld.so.cache to private-etc solve this. But except for "evince":
Warning fldd: cannot find libstdc++.so.6, skipping...
Warning fldd: cannot find libgcc_s.so.1, skipping...

@reagentoo Hi, thanks for reporting. The evince profile also has private-lib. Can you try if that works when adding libgcc_s.so.*,libstdc++.so.* to it?

@ghost commented on GitHub (Jan 4, 2020): > Adding `ld.so.cache` to private-etc solve this. But except for "evince": Warning fldd: cannot find libstdc++.so.6, skipping... Warning fldd: cannot find libgcc_s.so.1, skipping... @reagentoo Hi, thanks for reporting. The evince profile also has `private-lib`. Can you try if that works when adding `libgcc_s.so.*,libstdc++.so.*` to it?

gitea-mirror commented

2026-05-05 08:37:18 -06:00

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@reagentoo commented on GitHub (Jan 4, 2020):

@glitsj16 Hi.
Adding libgcc_s.so.*,libstdc++.so.* to private-lib does not helps.
I've tried to add ,gcc instead of them (This dir contains this libs). So I can see pdf images in the application after that, but I still see those warnings that I showed above.

@reagentoo commented on GitHub (Jan 4, 2020): @glitsj16 Hi. Adding `libgcc_s.so.*,libstdc++.so.*` to `private-lib` does not helps. I've tried to add `,gcc` instead of them (This dir contains this libs). So I can see pdf images in the application after that, but I still see those warnings that I showed above.

gitea-mirror commented

2026-05-05 08:37:19 -06:00

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@ghost commented on GitHub (Jan 4, 2020):

@reagentoo Maybe evince needs more than ld.so.cache in private-etc on gentoo. Try adding ld.so.* to its private-etc too (besides keeping either 'libgcc_s.so.,libstdc++.so.' or 'gcc' in private-lib). That should cover ld.so.cache, ld.so.conf, ld.so.conf.d and ld.so.preload. Also, it's not uncommon to see warnings. As long as all functionality is working as expected those can safely be ignored.

@ghost commented on GitHub (Jan 4, 2020): @reagentoo Maybe evince needs more than ld.so.cache in private-etc on gentoo. Try adding `ld.so.*` to its _private-etc_ too (besides keeping either 'libgcc_s.so.*,libstdc++.so.*' or 'gcc' in _private-lib_). That should cover ld.so.cache, ld.so.conf, ld.so.conf.d and ld.so.preload. Also, it's not uncommon to see warnings. As long as all functionality is working as expected those can safely be ignored.

gitea-mirror commented

2026-05-05 08:37:20 -06:00

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@ghost commented on GitHub (Jan 4, 2020):

I've gone ahead and merged https://github.com/netblue30/firejail/pull/3120. If you still have functional issues with evince on gentoo, please feel free to reopen. Thanks again for your cooperiation.

@ghost commented on GitHub (Jan 4, 2020): I've gone ahead and merged https://github.com/netblue30/firejail/pull/3120. If you still have functional issues with evince on gentoo, please feel free to reopen. Thanks again for your cooperiation.

gitea-mirror referenced this issue

2026-05-05 08:45:40 -06:00

[GH-ISSUE #3323] Can't open links from hexchat #2086

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Reference: github-starred/firejail#1955

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