diff options
Diffstat (limited to 'libsandbox/canonicalize.c')
| -rw-r--r-- | libsandbox/canonicalize.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/libsandbox/canonicalize.c b/libsandbox/canonicalize.c index 2166ac9..2bef6b1 100644 --- a/libsandbox/canonicalize.c +++ b/libsandbox/canonicalize.c @@ -76,8 +76,14 @@ erealpath(const char *name, char *resolved) if (resolved == NULL) { rpath = xmalloc(path_max); - } else + } else { + /* We can't handle resolving a buffer inline, so demand + * separate read and write strings. + */ + if (name == resolved) + sb_abort(); rpath = resolved; + } rpath_limit = rpath + path_max; recover = NULL; |