Merge pull request #22758 from taosdata/FIX/TD-26161-3.1

fix: break potential infinite loop in tfsMkdirRecurAt
taosdata · Sep 7, 2023 · e1aa62e · e1aa62e
2 parents e12d22a + 9745313
commit e1aa62e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/source/libs/tfs/src/tfs.c b/source/libs/tfs/src/tfs.c
@@ -296,7 +296,7 @@ int32_t tfsMkdirRecurAt(STfs *pTfs, const char *rname, SDiskID diskId) {
       // https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man3/dirname.3.html
       char *dir = taosStrdup(taosDirName(s));
 
-      if (tfsMkdirRecurAt(pTfs, dir, diskId) < 0) {
+      if (strlen(dir) >= strlen(rname) || tfsMkdirRecurAt(pTfs, dir, diskId) < 0) {
         taosMemoryFree(s);
         taosMemoryFree(dir);
         return -1;