[Bug 1500142] [NEW] Invalid read of size 8 in fat_resize()

[Quiet Dragon]

Public bug reported:

--- ./libparted/fs/fat/resize.c	2015-09-26 22:51:57.000000000 -0700
+++ ../../libparted/parted-2.3/libparted/fs/fat/resize.c	2015-09-26 22:34:31.527662469 -0700
@@ -667,10 +667,8 @@
 		goto error_free_new_fs;
 
 /* preserve boot code, etc. */
-	memcpy (&new_fs_info->boot_sector, &fs_info->boot_sector,
-		sizeof (FatBootSector));
-	memcpy (&new_fs_info->info_sector, &fs_info->info_sector,
-		sizeof (FatInfoSector));
+	new_fs_info->boot_sector = fs_info->boot_sector;
+	new_fs_info->info_sector = fs_info->info_sector;
 
 	new_fs_info->logical_sector_size = fs_info->logical_sector_size;
 	new_fs_info->sector_count = new_geom->length;

** Affects: parted (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1500142

Title:
  Invalid read of size 8 in fat_resize()

Status in parted package in Ubuntu:
  New

Bug description:
  --- ./libparted/fs/fat/resize.c	2015-09-26 22:51:57.000000000 -0700
  +++ ../../libparted/parted-2.3/libparted/fs/fat/resize.c	2015-09-26 22:34:31.527662469 -0700
  @@ -667,10 +667,8 @@
   		goto error_free_new_fs;
   
   /* preserve boot code, etc. */
  -	memcpy (&new_fs_info->boot_sector, &fs_info->boot_sector,
  -		sizeof (FatBootSector));
  -	memcpy (&new_fs_info->info_sector, &fs_info->info_sector,
  -		sizeof (FatInfoSector));
  +	new_fs_info->boot_sector = fs_info->boot_sector;
  +	new_fs_info->info_sector = fs_info->info_sector;
   
   	new_fs_info->logical_sector_size = fs_info->logical_sector_size;
   	new_fs_info->sector_count = new_geom->length;

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