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orphan inodes

About this tag
The tag 'orphan inodes' on WindowsForum.com covers filesystem-level issues related to orphaned inodes, particularly in the context of Linux ext4 and kernel stability. Discussions include a vulnerability (CVE-2025-38220) where orphaned symlink inodes could cause a NULL-pointer kernel crash in data=journal mode, addressed by a patch that restricts dirty folio marking to regular files. While the tag originates from a Linux-focused thread, it is relevant to Windows users interested in cross-platform filesystem concepts, enterprise IT security, and kernel-level troubleshooting. The content emphasizes the importance of timely updates and understanding how orphan inodes can impact system availability.
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    CVE-2025-38220: Tiny ext4 patch prevents kernel crash in data=journal mode

    A small, surgical kernel fix landed upstream in mid‑2025 to close a robustness hole in ext4 that could produce a NULL-pointer kernel oops and system crash when the filesystem processed certain orphaned symlink inodes; the patch makes ext4 mark folios dirty only for regular files when running in...
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