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| author | Thorsten Blum <thorsten.blum@linux.dev> | 2025-05-03 16:25:36 +0300 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2025-05-05 13:49:20 +0300 |
| commit | 6f9ccdad0feaef58b05f07e0fc9d31004147177c (patch) | |
| tree | d2c031bc02c3993e5a5e61724e71f34e5ac3221f | |
| parent | 7314166ee7592513c77cfbb8ff579f376039f9c4 (diff) | |
| download | linux-6f9ccdad0feaef58b05f07e0fc9d31004147177c.tar.xz | |
ovl: Annotate struct ovl_entry with __counted_by()
Add the __counted_by() compiler attribute to the flexible array member
'__lowerstack' to improve access bounds-checking via CONFIG_UBSAN_BOUNDS
and CONFIG_FORTIFY_SOURCE.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
| -rw-r--r-- | fs/overlayfs/ovl_entry.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/overlayfs/ovl_entry.h b/fs/overlayfs/ovl_entry.h index cb449ab310a7..afb7762f873f 100644 --- a/fs/overlayfs/ovl_entry.h +++ b/fs/overlayfs/ovl_entry.h @@ -51,7 +51,7 @@ struct ovl_path { struct ovl_entry { unsigned int __numlower; - struct ovl_path __lowerstack[]; + struct ovl_path __lowerstack[] __counted_by(__numlower); }; /* private information held for overlayfs's superblock */ |