[PR #3772] [MERGED] use openat2 syscall when available #4879

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opened 2026-05-05 10:28:16 -06:00 by gitea-mirror · 0 comments

gitea-mirror commented

2026-05-05 10:28:16 -06:00

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📋 Pull Request Information

Original PR: https://github.com/netblue30/firejail/pull/3772
Author: @smitsohu
Created: 11/24/2020
Status: ✅ Merged
Merged: 12/7/2020
Merged by: @netblue30

Base: master ← Head: smitsohu-openat2

📝 Commits (1)

a0b0d8f use openat2 syscall when available

📊 Changes

1 file changed (+37 additions, -26 deletions)

View changed files

📝 src/firejail/util.c (+37 -26)

📄 Description

Kernel 5.6 added a new system call openat2 which can help us in dealing with symbolic links.

safe_fd() also had a tiny bug where the root directory would be opened with the wrongs flags. While not very relevant to current Firejail, fixing it allowed sorting instructions in a different and imho slightly more logic way.

_{🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.}

## 📋 Pull Request Information **Original PR:** https://github.com/netblue30/firejail/pull/3772 **Author:** [@smitsohu](https://github.com/smitsohu) **Created:** 11/24/2020 **Status:** ✅ Merged **Merged:** 12/7/2020 **Merged by:** [@netblue30](https://github.com/netblue30) **Base:** `master` ← **Head:** `smitsohu-openat2` --- ### 📝 Commits (1) - [`a0b0d8f`](https://github.com/netblue30/firejail/commit/a0b0d8fbbf063c9a2bb0b719e5fbd4cb766f2f6d) use openat2 syscall when available ### 📊 Changes **1 file changed** (+37 additions, -26 deletions) <details> <summary>View changed files</summary> 📝 `src/firejail/util.c` (+37 -26) </details> ### 📄 Description Kernel 5.6 added a new system call [openat2](https://man7.org/linux/man-pages/man2/openat2.2.html) which can help us in dealing with symbolic links. `safe_fd()` also had a tiny bug where the root directory would be opened with the wrongs flags. While not very relevant to current Firejail, fixing it allowed sorting instructions in a different and imho slightly more logic way. --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>

gitea-mirror

2026-05-05 10:28:16 -06:00

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Reference: github-starred/firejail#4879

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