1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
From 14f110f0286d38e29ef5e51d7f72e049c2f18323 Mon Sep 17 00:00:00 2001
From: Logan Gunthorpe <logang@deltatee.com>
Date: Wed, 22 Jun 2022 14:25:08 -0600
Subject: [PATCH 2/4] DDF: Fix NULL pointer dereference in
validate_geometry_ddf()
A relatively recent patch added a call to validate_geometry() in
Manage_add() that has level=LEVEL_CONTAINER and chunk=NULL.
This causes some ddf tests to segfault which aborts the test suite.
To fix this, avoid dereferencing chunk when the level is
LEVEL_CONTAINER or LEVEL_NONE.
Fixes: 1f5d54a06df0 ("Manage: Call validate_geometry when adding drive to external container")
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Acked-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
Signed-off-by: Jes Sorensen <jes@trained-monkey.org>
Upstream-Status: Backport
Reference to upstream patch:
https://git.kernel.org/pub/scm/utils/mdadm/mdadm.git/commit/?id=2b93288a5650
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
---
super-ddf.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/super-ddf.c b/super-ddf.c
index 65cf727..3ef1293 100644
--- a/super-ddf.c
+++ b/super-ddf.c
@@ -3369,9 +3369,6 @@ static int validate_geometry_ddf(struct supertype *st,
* If given BVDs, we make an SVD, changing all the GUIDs in the process.
*/
- if (*chunk == UnSet)
- *chunk = DEFAULT_CHUNK;
-
if (level == LEVEL_NONE)
level = LEVEL_CONTAINER;
if (level == LEVEL_CONTAINER) {
@@ -3381,6 +3378,9 @@ static int validate_geometry_ddf(struct supertype *st,
freesize, verbose);
}
+ if (*chunk == UnSet)
+ *chunk = DEFAULT_CHUNK;
+
if (!dev) {
mdu_array_info_t array = {
.level = level,
--
2.39.1
|
