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| author | Christian Brauner <brauner@kernel.org> | 2025-04-11 16:41:48 +0200 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2025-04-11 16:41:48 +0200 |
| commit | e2aef868a8c39f411eb7bcee3c42e165a21d5cd6 (patch) | |
| tree | 6576343d3968451748b4b0b46923b817f2eb14f6 | |
| parent | 47a742fd977a7a8c39fea890712e9bfdf76f98f1 (diff) | |
| parent | a6eb9a4a69cc360b930dad9dc8513f8fd9b3577f (diff) | |
Merge tag 'ovl-fixes-6.15-rc2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs
Bring in overlayfs fixes for the current cycle.
* tag 'ovl-fixes-6.15-rc2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs:
ovl: remove unused forward declaration
ovl: don't allow datadir only
Link: https://lore.kernel.org/CAJfpegt-EE4RROKDXA3g5GxAYXQrWcLAL1TfTPK-%3DVmPC7U13g@mail.gmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
| -rw-r--r-- | fs/overlayfs/overlayfs.h | 2 | ||||
| -rw-r--r-- | fs/overlayfs/super.c | 5 |
2 files changed, 5 insertions, 2 deletions
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index 6f2f8f4cfbbc..aef942a758ce 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -541,8 +541,6 @@ int ovl_set_metacopy_xattr(struct ovl_fs *ofs, struct dentry *d, bool ovl_is_metacopy_dentry(struct dentry *dentry); char *ovl_get_redirect_xattr(struct ovl_fs *ofs, const struct path *path, int padding); int ovl_ensure_verity_loaded(struct path *path); -int ovl_get_verity_xattr(struct ovl_fs *ofs, const struct path *path, - u8 *digest_buf, int *buf_length); int ovl_validate_verity(struct ovl_fs *ofs, struct path *metapath, struct path *datapath); diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index b63474d1b064..e19940d649ca 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -1138,6 +1138,11 @@ static struct ovl_entry *ovl_get_lowerstack(struct super_block *sb, return ERR_PTR(-EINVAL); } + if (ctx->nr == ctx->nr_data) { + pr_err("at least one non-data lowerdir is required\n"); + return ERR_PTR(-EINVAL); + } + err = -EINVAL; for (i = 0; i < ctx->nr; i++) { l = &ctx->lower[i]; |