[Pdbg] [PATCH 06/14] gdbserver: fix read buffer overflow

[Nicholas Piggin]

buffer gets NUL terminated so read must return max of size-1.

Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
---
 src/pdbgproxy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pdbgproxy.c b/src/pdbgproxy.c
index 906ed2f..78b1236 100644
--- a/src/pdbgproxy.c
+++ b/src/pdbgproxy.c
@@ -388,7 +388,7 @@ static int read_from_client(int fd)
 	char buffer[BUFFER_SIZE + 1];
 	int nbytes;
 
-	nbytes = read(fd, buffer, sizeof(buffer));
+	nbytes = read(fd, buffer, sizeof(buffer) - 1);
 	if (nbytes < 0) {
 		perror(__FUNCTION__);
 		return -1;
-- 
2.23.0