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script/execute: Fix NULL dereference in grub_script_execute_cmdline()

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Signed-off-by: Daniel Axtens <dja@axtens.net>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Daniel Axtens 2020-04-03 23:05:13 +11:00 committed by Daniel Kiper
parent 1641d74e16
commit 41ae93b2e6
1 changed files with 1 additions and 1 deletions
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2
grub-core/script/execute.c
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@ -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++)