Commit 13589c43 authored by Steve French's avatar Steve French

[CIFS] possible memory corruption on mount

CIFS cleanup_volume_info_contents() looks like having a memory
corruption problem.
When UNCip is set to "&vol->UNC[2]" in cifs_parse_mount_options(), it
should not be kfree()-ed in cleanup_volume_info_contents().

Introduced in commit b946845aSigned-off-by: default avatarJ.R. Okajima <hooanon05@yahoo.co.jp>
Reviewed-by: default avatarJeff Layton <jlayton@redhat.com>
CC: Stable <stable@kernel.org>
Signed-off-by: default avatarSteve French <sfrench@us.ibm.com>
parent fa71f447
......@@ -2878,6 +2878,7 @@ cleanup_volume_info_contents(struct smb_vol *volume_info)
kfree(volume_info->username);
kzfree(volume_info->password);
kfree(volume_info->UNC);
if (volume_info->UNCip != volume_info->UNC + 2)
kfree(volume_info->UNCip);
kfree(volume_info->domainname);
kfree(volume_info->iocharset);
......
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