[GH-ISSUE #5982] `firejail --ls` reports wrong file sizes for large files #3145

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opened 2026-05-05 09:46:38 -06:00 by gitea-mirror · 0 comments

gitea-mirror commented

2026-05-05 09:46:38 -06:00

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Originally created by @reinerh on GitHub (Aug 28, 2023).
Original GitHub issue: https://github.com/netblue30/firejail/issues/5982

I noticed that the --ls command prints negative file sizes for large files (the file has a size of several GB).

$ firejail --ls=... /
...
-rw------- root     root      -214748364 swap.bin
...

The problem seems to be that it's using a (32bit) int, while st_size is actually of type off_t (which is on x86_64 a long int).
dd5ae0d8f4/src/firejail/ls.c (L155-L158)

Originally created by @reinerh on GitHub (Aug 28, 2023). Original GitHub issue: https://github.com/netblue30/firejail/issues/5982 I noticed that the `--ls` command prints negative file sizes for large files (the file has a size of several GB). ``` $ firejail --ls=... / ... -rw------- root root -214748364 swap.bin ... ``` The problem seems to be that it's using a (32bit) int, while `st_size` is actually of type `off_t` (which is on x86_64 a `long int`). https://github.com/netblue30/firejail/blob/dd5ae0d8f41cb7f054506c8cf373c8b609429d1b/src/firejail/ls.c#L155-L158

gitea-mirror

2026-05-05 09:46:38 -06:00

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Reference: github-starred/firejail#3145

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[GH-ISSUE #5982] firejail --ls reports wrong file sizes for large files #3145

[GH-ISSUE #5982] `firejail --ls` reports wrong file sizes for large files #3145