lib: Fixed potential crash in i_stream_stat() failures.

We shouldn't have been copying parent's stream_errno here. Especially because the parent can be NULL.
dovecot · May 13, 2016 · 6eb0192 · 6eb0192
1 parent 75a7ba7
commit 6eb0192
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/src/lib/istream.c b/src/lib/istream.c
@@ -811,10 +811,8 @@ static int
 i_stream_default_get_size(struct istream_private *stream,
 			  bool exact, uoff_t *size_r)
 {
-	if (stream->stat(stream, exact) < 0) {
-		stream->istream.stream_errno = stream->parent->stream_errno;
+	if (stream->stat(stream, exact) < 0)
 		return -1;
-	}
 	if (stream->statbuf.st_size == -1)
 		return 0;