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authordgp@users.sourceforge.net <dgp>2014-05-16 14:47:59 (GMT)
committerdgp@users.sourceforge.net <dgp>2014-05-16 14:47:59 (GMT)
commit823e61ed36793330f0165f4eafc108378d771a4d (patch)
treef40ad72828d9fa3a5dc4a59ede2dee8daed72706 /unix/tclUnixFile.c
parent0eab721a6b09d8a75c80e6319eaa25e12914d094 (diff)
parentfd27d760188bb7cdb8b3a0d0b6288328d693db9e (diff)
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merge 8.5
Diffstat (limited to 'unix/tclUnixFile.c')
-rw-r--r--unix/tclUnixFile.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/unix/tclUnixFile.c b/unix/tclUnixFile.c
index 29f1aba..c5f75a7 100644
--- a/unix/tclUnixFile.c
+++ b/unix/tclUnixFile.c
@@ -1111,6 +1111,12 @@ 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((unsigned) len);
memcpy((void*)nativePathPtr, (void*)Tcl_DStringValue(&ds), (size_t) len);