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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:47:48 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:47:48 +0000 |
| commit | a1865fbd182b17f2d2f465f557af5b45501c5f1c (patch) | |
| tree | 59da519ef2e59c763bb8efdbe67bc348cf833767 /fs/overlayfs/params.c | |
| parent | Adding upstream version 6.7.9. (diff) | |
| download | linux-a1865fbd182b17f2d2f465f557af5b45501c5f1c.tar.xz linux-a1865fbd182b17f2d2f465f557af5b45501c5f1c.zip | |
Adding upstream version 6.7.12.upstream/6.7.12
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/overlayfs/params.c')
| -rw-r--r-- | fs/overlayfs/params.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/overlayfs/params.c b/fs/overlayfs/params.c index 3fe2dde159..488f920f79 100644 --- a/fs/overlayfs/params.c +++ b/fs/overlayfs/params.c @@ -280,12 +280,20 @@ static int ovl_mount_dir_check(struct fs_context *fc, const struct path *path, { struct ovl_fs_context *ctx = fc->fs_private; - if (ovl_dentry_weird(path->dentry)) - return invalfc(fc, "filesystem on %s not supported", name); - if (!d_is_dir(path->dentry)) return invalfc(fc, "%s is not a directory", name); + /* + * Root dentries of case-insensitive capable filesystems might + * not have the dentry operations set, but still be incompatible + * with overlayfs. Check explicitly to prevent post-mount + * failures. + */ + if (sb_has_encoding(path->mnt->mnt_sb)) + return invalfc(fc, "case-insensitive capable filesystem on %s not supported", name); + + if (ovl_dentry_weird(path->dentry)) + return invalfc(fc, "filesystem on %s not supported", name); /* * Check whether upper path is read-only here to report failures |