boot/grub2/0014-multiboot2-Fix-memory-leak-if-grub_create_loader_cmd.patch

From 49bf3faa106498e151306fc780c63194a14751e3 Mon Sep 17 00:00:00 2001
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date: Fri, 26 Jun 2020 10:51:43 -0400
Subject: [PATCH] multiboot2: Fix memory leak if
 grub_create_loader_cmdline() fails
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Fixes: CID 292468

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com>
---
 grub-core/loader/multiboot_mbi2.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/grub-core/loader/multiboot_mbi2.c b/grub-core/loader/multiboot_mbi2.c
index 53da78615..0efc66062 100644
--- a/grub-core/loader/multiboot_mbi2.c
+++ b/grub-core/loader/multiboot_mbi2.c
@@ -1070,7 +1070,11 @@ grub_multiboot2_add_module (grub_addr_t start, grub_size_t size,
   err = grub_create_loader_cmdline (argc, argv, newmod->cmdline,
 				    newmod->cmdline_size, GRUB_VERIFY_MODULE_CMDLINE);
   if (err)
-    return err;
+    {
+      grub_free (newmod->cmdline);
+      grub_free (newmod);
+      return err;
+    }
 
   if (modules_last)
     modules_last->next = newmod;
-- 
2.26.2