diff options
Diffstat (limited to 'unix/tclUnixFile.c')
| -rw-r--r-- | unix/tclUnixFile.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/unix/tclUnixFile.c b/unix/tclUnixFile.c index 5816b01..2cb0027 100644 --- a/unix/tclUnixFile.c +++ b/unix/tclUnixFile.c @@ -10,7 +10,6 @@ * of this file, and for a DISCLAIMER OF ALL WARRANTIES. */ -#include <sys/stat.h> #include "tclInt.h" #include "tclFileSystem.h" @@ -1106,6 +1105,12 @@ TclNativeCreateNativeRep( str = Tcl_GetStringFromObj(validPathPtr, &len); Tcl_UtfToExternalDString(NULL, str, len, &ds); len = Tcl_DStringLength(&ds) + sizeof(char); + if (strlen(Tcl_DStringValue(&ds)) < len - sizeof(char)) { + /* See bug [3118489]: NUL in filenames */ + Tcl_DecrRefCount(validPathPtr); + Tcl_DStringFree(&ds); + return NULL; + } Tcl_DecrRefCount(validPathPtr); nativePathPtr = ckalloc(len); memcpy(nativePathPtr, Tcl_DStringValue(&ds), (size_t) len); |