File 0002-mdadm-Fix-double-free.patch of Package mdadm

Overview Repositories Revisions Requests Users Attributes Meta

File 0002-mdadm-Fix-double-free.patch of Package mdadm (Revision 80b5541c301871aaaa262b7cdad10d15)

Currently displaying revision 80b5541c301871aaaa262b7cdad10d15 , Show latest

From 5ce5a15f0bf007e850e15259bba4f53736605fb2 Mon Sep 17 00:00:00 2001
From: Lukasz Florczak <lukasz.florczak@linux.intel.com>
Date: Fri, 25 Mar 2022 12:48:59 +0100
Subject: [PATCH 02/61] mdadm: Fix double free
Patch-mainline: mdadm-4.2+
References: jsc#PED-1009

If there was a size mismatch after creation it would get fixed on grow
in imsm_fix_size_mismatch(), but due to double free "double free or corruption (fasttop)"
error occurs and grow cannot proceed.

Signed-off-by: Lukasz Florczak <lukasz.florczak@linux.intel.com>
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
Signed-off-by: Coly Li <colyli@suse.de>
---
 super-intel.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/super-intel.c b/super-intel.c
index 5ffa763..6ff336e 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -11783,9 +11783,8 @@ static int imsm_fix_size_mismatch(struct supertype *st, int subarray_index)
 			st->update_tail = &st->updates;
 		} else {
 			imsm_sync_metadata(st);
+			free(update);
 		}
-
-		free(update);
 	}
 	ret_val = 0;
 exit:
-- 
2.35.3

Places

File 0002-mdadm-Fix-double-free.patch of Package mdadm (Revision 80b5541c301871aaaa262b7cdad10d15)

Places