From f5fb56954e5926ced42a980c3e0842ffd5fea2aa Mon Sep 17 00:00:00 2001 From: Daniel Axtens Date: Fri, 3 Apr 2020 23:05:13 +1100 Subject: [PATCH] script/execute: Fix NULL dereference in grub_script_execute_cmdline() Signed-off-by: Daniel Axtens Reviewed-by: Daniel Kiper Upstream-Status: Backport [https://git.savannah.gnu.org/cgit/grub.git/commit/?id=41ae93b2e6c75453514629bcfe684300e3aec0ce] Signed-off-by: Marta Rybczynska --- grub-core/script/execute.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/grub-core/script/execute.c b/grub-core/script/execute.c index 7e028e1..5ea2aef 100644 --- a/grub-core/script/execute.c +++ b/grub-core/script/execute.c @@ -940,7 +940,7 @@ grub_script_execute_cmdline (struct grub_script_cmd *cmd) struct grub_script_argv argv = { 0, 0, 0 }; /* Lookup the command. */ - if (grub_script_arglist_to_argv (cmdline->arglist, &argv) || ! argv.args[0]) + if (grub_script_arglist_to_argv (cmdline->arglist, &argv) || ! argv.args || ! argv.args[0]) return grub_errno; for (i = 0; i < argv.argc; i++)