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ext2fs: Fix capability bound issue in ext2fs #2294

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ext2fs: Fix capability bound issue in ext2fs #2294

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4 changes: 3 additions & 1 deletion sys/fs/ext2fs/ext2_htree.c
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Original file line number Diff line number Diff line change
Expand Up @@ -300,7 +300,9 @@ ext2_htree_find_leaf(struct inode *ip, const char *name, int namelen,
if ((levels = rootp->h_info.h_ind_levels) > 1)
goto error;

entp = (struct ext2fs_htree_entry *)(((char *)&rootp->h_info) +
/* Preserve capability bound here. */
entp = (struct ext2fs_htree_entry *)(((char *)rootp) +
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Probably we want to use __unbounded_addressof here from sys/cdefs.h? This is what we generally have been using for sub-object bounds related things.

offsetof(struct ext2fs_htree_root, h_info) +
rootp->h_info.h_info_len);

if (ext2_htree_get_limit(entp) !=
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