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From fc8b102c666d7fbad9242dea43a64941399a1c0d Mon Sep 17 00:00:00 2001
From: Benjamin Marzinski <bmarzins@redhat.com>
Date: Tue, 16 Jan 2024 20:19:11 -0500
Subject: [PATCH] multipathd: fix null pointer dereference in uev_update_path
The Auto-resize code added a check that deferences pp->mpp without
checking that it's non-NULL. Fix it.
Fixes: 981b83ad1 ("multipathd: Add auto_resize config option")
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
Reviewed-by: Martin Wilck <mwilck@suse.com>
---
multipathd/main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/multipathd/main.c b/multipathd/main.c
index 74f6cd92..fbc3f8da 100644
--- a/multipathd/main.c
+++ b/multipathd/main.c
@@ -1630,7 +1630,7 @@ uev_update_path (struct uevent *uev, struct vectors * vecs)
}
}
}
- if (auto_resize != AUTO_RESIZE_NEVER &&
+ if (auto_resize != AUTO_RESIZE_NEVER && mpp &&
!mpp->wait_for_udev) {
struct pathgroup *pgp;
struct path *pp2;
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