From: Daniel Axtens Date: Fri, 3 Apr 2020 12:05:13 +0000 (+1100) Subject: script/execute: Fix NULL dereference in grub_script_execute_cmdline() X-Git-Tag: grub-2.06-rc1~83 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=41ae93b2e6c75453514629bcfe684300e3aec0ce;p=thirdparty%2Fgrub.git script/execute: Fix NULL dereference in grub_script_execute_cmdline() Signed-off-by: Daniel Axtens Reviewed-by: Daniel Kiper --- diff --git a/grub-core/script/execute.c b/grub-core/script/execute.c index ce83edd4b..3ad468fce 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++)