btrfs: tree-checker: validate key offset for inode ref keys

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For a subvolume tree, the offset of an inode ref key corresponds to an
inode number, and that must always be within the range:

  [ BTRFS_FIRST_FREE_OBJECTID (256), BTRFS_LAST_FREE_OBJECTID (-256) ]

Add a check for that in check_inode_ref(). Sashiko complained about such
check missing in another unrelated patch.

Reviewed-by: Boris Burkov <boris@bur.io>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Filipe Manana 2026-09-03 16:16:32 +01:00 • committed by David Sterba

parent 36f9aafa46

commit 2a4513ab53

1 changed files with 10 additions and 0 deletions

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fs/btrfs/tree-checker.c

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