Hello:
This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <[email protected]>:
On Tue, 26 May 2026 13:35:57 +0800 you wrote:
> f2fs_recover_orphan_inodes() trusts the orphan block entry_count when
> replaying orphan inodes from the checkpoint pack. A corrupted entry_count
> larger than F2FS_ORPHANS_PER_BLOCK makes the recovery loop read past the
> ino[] array and interpret footer or following data as inode numbers.
>
> On a crafted image, mounting an unpatched kernel can drive orphan recovery
> into f2fs_bug_on() and panic the kernel. Validate entry_count before
> consuming entries so corrupted checkpoint data fails the mount with
> -EFSCORRUPTED and requests fsck instead.
>
> [...]
Here is the summary with links:
- [f2fs-dev,v2] f2fs: validate orphan inode entry count
https://git.kernel.org/jaegeuk/f2fs/c/de81d95d4e42
You are awesome, thank you!
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