lkml.org 
[lkml]   [2016]   [Jun]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/1] apparmor: do not expose kernel stack
Date
Do not copy uninitalized fields th.td_hilen, th.td_data.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---
security/apparmor/match.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/security/apparmor/match.c b/security/apparmor/match.c
index 727eb42..1d6dbd8 100644
--- a/security/apparmor/match.c
+++ b/security/apparmor/match.c
@@ -61,7 +61,9 @@ static struct table_header *unpack_table(char *blob, size_t bsize)

table = kvzalloc(tsize);
if (table) {
- *table = th;
+ table->td_id = th.td_id;
+ table->td_flags = th.td_flags;
+ table->td_lolen = th.td_lolen;
if (th.td_flags == YYTD_DATA8)
UNPACK_ARRAY(table->td_data, blob, th.td_lolen,
u8, byte_to_byte);
--
2.1.4
\
 
 \ /
  Last update: 2016-06-11 00:21    [W:0.025 / U:1.284 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site