diff options
| -rw-r--r-- | src/shared/dlt_common.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/shared/dlt_common.c b/src/shared/dlt_common.c index c577249..74c2b90 100644 --- a/src/shared/dlt_common.c +++ b/src/shared/dlt_common.c @@ -2643,11 +2643,13 @@ int dlt_buffer_get(DltBuffer *buf, unsigned char *data, int max_size, int delete } /* third check size */ - if (max_size && (head.size > max_size)) + if (max_size && (head.size > max_size)) { dlt_vlog(LOG_WARNING, "%s: Buffer: Max size is smaller than read header size. Max size: %d\n", __func__, max_size); - /* nothing to do but data does not fit provided buffer */ + /* prevent buffer overflow on dlt_buffer_read_block */ + return DLT_RETURN_ERROR; /* ERROR */ + } if ((data != NULL) && max_size) { |