Improve invalid data case in tdbstore ram init

amq · web-flow · commit 0a108e0ad34b · 2020-04-22T10:37:27.000+02:00
diff --git a/features/storage/kvstore/tdbstore/TDBStore.cpp b/features/storage/kvstore/tdbstore/TDBStore.cpp
@@ -938,7 +938,7 @@ int TDBStore::build_ram_table()
     offset = _master_record_offset;
 
     while (offset < _free_space_offset) {
-        if (offset == next_offset) {
+        if ((offset + sizeof(record_header_t)) >= _free_space_offset) {
             ret = MBED_ERROR_INVALID_DATA_DETECTED;
             goto end;
         }

Original file line number	Diff line number	Diff line change
`@@ -938,7 +938,7 @@ int TDBStore::build_ram_table()`
`938`	`938`	`offset = _master_record_offset;`
`939`	`939`
`940`	`940`	`while (offset < _free_space_offset) {`
`941`		`- if (offset == next_offset) {`
	`941`	`+ if ((offset + sizeof(record_header_t)) >= _free_space_offset) {`
`942`	`942`	`ret = MBED_ERROR_INVALID_DATA_DETECTED;`
`943`	`943`	`goto end;`
`944`	`944`	`}`