The gpt pointer is not initialized, and when offset < 0, it may result in freeing...

Signed-off-by: yuxiaojun <yuxiaojun1011@outlook.com>
Co-authored-by: yuxiaojun <yuxiaojun1011@outlook.com>

diff --git a/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_vhd.c b/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_vhd.c
index 26baa8b49c52bbc7a6cae2072d3771aed28c9aff..45ce7c6cbdb1376769d7aa51df730bc3680fa15f 100644 (file)
--- a/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_vhd.c
+++ b/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_vhd.c
@@ -504,7 +504,7 @@ grub_err_t ventoy_cmd_get_vtoy_type(grub_extcmd_context_t ctxt, int argc, char *
     vhd_footer_t vhdfoot;
     VDIPREHEADER vdihdr;
     char type[16] = {0};
-    ventoy_gpt_info *gpt;
+    ventoy_gpt_info *gpt = NULL;
     
     (void)ctxt;