From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001

From: Darren Kenny <darren.kenny@oracle.com>

Date: Thu, 3 Dec 2020 14:39:45 +0000

Subject: [PATCH] mmap: Fix memory leak when iterating over mapped memory

When returning from grub_mmap_iterate() the memory allocated to present

is not being released causing it to leak.

Fixes: CID 96655

Signed-off-by: Darren Kenny <darren.kenny@oracle.com>

Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>

---

 grub-core/mmap/mmap.c | 2 ++

 1 file changed, 2 insertions(+)

diff --git a/grub-core/mmap/mmap.c b/grub-core/mmap/mmap.c

index 7ebf32e1e5e..8bf235f3400 100644

--- a/grub-core/mmap/mmap.c

+++ b/grub-core/mmap/mmap.c

@@ -270,6 +270,7 @@ grub_mmap_iterate (grub_memory_hook_t hook, void *hook_data)

 		   hook_data))

 	{

 	  grub_free (ctx.scanline_events);

+	  grub_free (present);

 	  return GRUB_ERR_NONE;

 	}

@@ -282,6 +283,7 @@ grub_mmap_iterate (grub_memory_hook_t hook, void *hook_data)

     }

   grub_free (ctx.scanline_events);

+  grub_free (present);

   return GRUB_ERR_NONE;

 }