diff options
Diffstat (limited to 'source4/lib/data_blob.c')
-rw-r--r-- | source4/lib/data_blob.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/source4/lib/data_blob.c b/source4/lib/data_blob.c index e10ebfe606..c8c57849d2 100644 --- a/source4/lib/data_blob.c +++ b/source4/lib/data_blob.c @@ -56,6 +56,11 @@ DATA_BLOB data_blob_talloc(TALLOC_CTX *mem_ctx, const void *p, size_t length) if (ret.data) { ret.data = talloc_steal(mem_ctx, ret.data); + } else { + /* this ensures the blob has the context attached, so a zero length call + to data_blob_talloc followed by a realloc doesn't cause the memory to come + from the NULL context */ + ret.data = talloc(mem_ctx, 0); } return ret; } |