Fix boundary check error in tdbstore causing kv_set failure with max area size

oyama · oyama · commit bfcd01b89068 · 2025-04-15T20:21:23.000+09:00
diff --git a/storage/kvstore/tdbstore/source/TDBStore.cpp b/storage/kvstore/tdbstore/source/TDBStore.cpp
@@ -292,7 +292,7 @@ int TDBStore::read_record(uint8_t area, uint32_t offset, char *key,
         return MBED_ERROR_INVALID_DATA_DETECTED;
     }
 
-    if (offset + total_size >= _size) {
+    if (offset + total_size > _size) {
         return MBED_ERROR_INVALID_DATA_DETECTED;
     }
 

Original file line number	Diff line number	Diff line change
`@@ -292,7 +292,7 @@ int TDBStore::read_record(uint8_t area, uint32_t offset, char *key,`
`292`	`292`	`return MBED_ERROR_INVALID_DATA_DETECTED;`
`293`	`293`	`}`
`294`	`294`
`295`		`- if (offset + total_size >= _size) {`
	`295`	`+ if (offset + total_size > _size) {`
`296`	`296`	`return MBED_ERROR_INVALID_DATA_DETECTED;`
`297`	`297`	`}`
`298`	`298`