From: Phil Sutter <phil@nwl.cc>
Date: Thu, 6 Aug 2015 12:24:32 +0000 (+0200)
Subject: misc/ss: avoid NULL pointer dereference
X-Git-Tag: v4.2.0~23
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e0dce0e5dc363b7e307984706c130f6ee769259b;p=thirdparty%2Fiproute2.git

misc/ss: avoid NULL pointer dereference

This was working before, but only if realloc a) succeeded and b) did not
move the buffer to a different location. ''**buf = **new_buf' then
writes the value of *new_buf's first field into that of *buf.

Signed-off-by: Phil Sutter <phil@nwl.cc>
---

diff --git a/misc/ss.c b/misc/ss.c
index f59213b4e..d271b9506 100644
--- a/misc/ss.c
+++ b/misc/ss.c
@@ -597,7 +597,7 @@ static int find_entry(unsigned ino, char **buf, int type)
 					fprintf(stderr, "ss: failed to malloc buffer\n");
 					abort();
 				}
-				**buf = **new_buf;
+				*buf = *new_buf;
 				buf_len = new_buf_len;
 				continue;
 			} else {