An attempt to invoke super_by_fd() on device that has
metadata_version="none" always matches super0 (as test_version is "").
In Assemble() it results in segfault when load_container is invoked
(=null for super0).
As of now load_container is only started if it points to valid pointer.
Signed-off-by: Przemyslaw Czarnowski <przemyslaw.hawrylewicz.czarnowski@xxxxxxxxx>
---
Assemble.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/Assemble.c b/Assemble.c
index 5e71a43..5e4296c 100644
--- a/Assemble.c
+++ b/Assemble.c
@@ -332,7 +332,7 @@ int Assemble(struct supertype *st, char *mddev,
fprintf(stderr, Name ": not a recognisable container: %s\n",
devname);
tmpdev->used = 2;
- } else if (tst->ss->load_container(tst, dfd, NULL)) {
+ } else if (!tst->ss->load_container || tst->ss->load_container(tst, dfd, NULL)) {
if (report_missmatch)
fprintf(stderr, Name ": no correct container type: %s\n",
devname);
--
1.7.1
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