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Merge tag 'affs-for-7.1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

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Pull AFFS fix from David Sterba:
 "There's a potential out-of-bounds read in the directory hash table
  during readdir"

* tag 'affs-for-7.1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  affs: bound hash_pos before table lookup in affs_readdir
This commit is contained in:
Linus Torvalds
2026-04-13 16:39:01 -07:00
parent c92b4d3dd5 6fa253b38b
commit f3756afb6f
1 changed files with 2 additions and 0 deletions
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2
fs/affs/dir.c
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@@ -119,6 +119,8 @@ affs_readdir(struct file *file, struct dir_context *ctx)
pr_debug("readdir() left off=%d\n", ino);
goto inside;
}
if (hash_pos >= AFFS_SB(sb)->s_hashsize)
goto done;
ino = be32_to_cpu(AFFS_HEAD(dir_bh)->table[hash_pos]);
for (i = 0; ino && i < chain_pos; i++) {