From: Theodore Ts'o <tytso@mit.edu>
Date: Sun, 19 Aug 2018 20:46:04 +0000 (-0400)
Subject: tune2fs: fix dereference of freed memory after journal replay
X-Git-Tag: v1.44.5~39
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=ed50488ec0f0edc9156651da004d37f7b111920b;p=tools%2Fe2fsprogs.git

tune2fs: fix dereference of freed memory after journal replay

This can be found by running the test t_replay_and_set under valgrind.

Reported-by: Chris Clayton <chris2553@googlemail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---

diff --git a/misc/tune2fs.c b/misc/tune2fs.c
index 723f7ae..b8cddfa 100644
--- a/misc/tune2fs.c
+++ b/misc/tune2fs.c
@@ -3051,6 +3051,7 @@ _("Warning: The journal is dirty. You may wish to replay the journal like:\n\n"
 				ext2fs_close_free(&fs);
 			exit(1);
 		}
+		sb = fs->super;
 	}
 #endif