Commit 3e36a163 authored Mar 02, 2013 by Wei Yongjun Committed by Theodore Ts'o Mar 02, 2013

ext4: fix possible memory leak in ext4_remount()



'orig_data' is malloced in ext4_remount() and should be freed
before leaving from the error handling cases, otherwise it will
cause memory leak.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Lukas Czerner <lczerner@redhat.com>
Cc: stable@vger.kernel.org

parent df05c1b8

fs/ext4/super.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -4543,6 +4543,7 @@ static int ext4_remount(struct super_block sb, int flags, char *data)
		if (!old_opts.s_qf_names[i]) {
		for (j = 0; j < i; j++)
		kfree(old_opts.s_qf_names[j]);
		kfree(orig_data);
		return -ENOMEM;
		}
		} else

Admin message