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[GH-ISSUE #5178] private-opt exceeds fcopy's 500MB limit. #2902

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opened 2026-05-05 09:34:01 -06:00 by gitea-mirror · 2 comments

gitea-mirror commented

2026-05-05 09:34:01 -06:00

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Originally created by @amano-kenji on GitHub (Jun 6, 2022).
Original GitHub issue: https://github.com/netblue30/firejail/issues/5178

Description

private-opt LBRY results in the following error.

Error fcopy: size limit of 500 MB reached

Steps to Reproduce

Install lbry-desktop
Execute firejail --noprofile --private-opt=LBRY bash

Expected behavior

It should just mount /opt/LBRY instead of copying /opt/LBRY into a temporary file system.

Actual behavior

Error fcopy: size limit of 500 MB reached

Behavior without a profile

Error fcopy: size limit of 500 MB reached

Environment

Linux distribution and version: Gentoo Linux
Firejail version

firejail version 0.9.68

Compile time support:
        - always force nonewprivs support is disabled
        - AppArmor support is enabled
        - AppImage support is enabled
        - chroot support is enabled
        - D-BUS proxy support is enabled
        - file transfer support is enabled
        - firetunnel support is disabled
        - networking support is enabled
        - output logging is enabled
        - overlayfs support is disabled
        - private-home support is enabled
        - private-cache and tmpfs as user enabled
        - SELinux support is disabled
        - user namespace support is enabled
        - X11 sandboxing support is enabled

Originally created by @amano-kenji on GitHub (Jun 6, 2022). Original GitHub issue: https://github.com/netblue30/firejail/issues/5178 ### Description `private-opt LBRY` results in the following error. ``` Error fcopy: size limit of 500 MB reached ``` ### Steps to Reproduce 1. Install lbry-desktop 2. Execute `firejail --noprofile --private-opt=LBRY bash` ### Expected behavior It should just mount /opt/LBRY instead of copying /opt/LBRY into a temporary file system. ### Actual behavior ``` Error fcopy: size limit of 500 MB reached ``` ### Behavior without a profile ``` Error fcopy: size limit of 500 MB reached ``` ### Environment - Linux distribution and version: Gentoo Linux - Firejail version ``` firejail version 0.9.68 Compile time support: - always force nonewprivs support is disabled - AppArmor support is enabled - AppImage support is enabled - chroot support is enabled - D-BUS proxy support is enabled - file transfer support is enabled - firetunnel support is disabled - networking support is enabled - output logging is enabled - overlayfs support is disabled - private-home support is enabled - private-cache and tmpfs as user enabled - SELinux support is disabled - user namespace support is enabled - X11 sandboxing support is enabled ```

gitea-mirror

2026-05-05 09:34:01 -06:00

closed this issue
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gitea-mirror commented

2026-05-05 09:34:04 -06:00

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@rusty-snake commented on GitHub (Jun 6, 2022):

Related: #5162

@rusty-snake commented on GitHub (Jun 6, 2022): Related: #5162

gitea-mirror commented

2026-05-05 09:34:05 -06:00

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Owner

@rusty-snake commented on GitHub (Jun 8, 2022):

Duplicated of #4742

@rusty-snake commented on GitHub (Jun 8, 2022): Duplicated of #4742

gitea-mirror referenced this issue

2026-05-05 10:22:40 -06:00

[PR #2902] [MERGED] Add zstd (redirect) profile(s) #4575

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Reference: github-starred/firejail#2902

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