When array changes its shape/level or array is about closing
level field in mdstat can be NULL. This causes core dump in mdmon.
Patch introduces guard in code for this situation.
Signed-off-by: Adam Kwolek <adam.kwolek@xxxxxxxxx>
---
mdadm/mdadm/mdstat.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/mdadm/mdadm/mdstat.c b/mdadm/mdadm/mdstat.c
index aecd1d4..1f818b1 100644
--- a/mdadm/mdadm/mdstat.c
+++ b/mdadm/mdadm/mdstat.c
@@ -291,6 +291,8 @@ struct mdstat_ent *mdstat_read(int hold, int start)
int mdstat_to_level(struct mdstat_ent *ms)
{
+ if (ms->level == NULL)
+ return LEVEL_UNSUPPORTED;
if (strncmp(ms->level, "raid0", 5) == 0)
return 0;
else if (strncmp(ms->level, "raid10", 6) == 0)
--
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
