grub2/0233-multiboot2-Fix-memory-leak-if-grub_create_loader_cmd.patch

35 lines
1.1 KiB
Diff

From 1eebc205991aeb48f5d88acaac3833ad527b1fb1 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 13/27] multiboot2: Fix memory leak if
grub_create_loader_cmdline() fails
Fixes: CID 292468
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.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 53da786..0efc660 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;
--
2.23.0