BUG/MEDIUM: cli: fix "help" crashing since recent spelling fixes
I somehow managed to re-break the "help" command in b736458bf ("MEDIUM:
cli: apply spelling fixes for known commands before listing them")
after fixing it once. A null-deref happens when checking the args
early in the processing.
No backport is needed as this was introduced in 2.4-dev12.
diff --git a/src/cli.c b/src/cli.c
index 5ea040e..cfe14d6 100644
--- a/src/cli.c
+++ b/src/cli.c
@@ -140,7 +140,7 @@
/* In case of partial match we'll look for the best matching entries
* starting from position <length>
*/
- if (args[length] && *args[length]) {
+ if (args && args[length] && *args[length]) {
list_for_each_entry(kw_list, &cli_keywords.list, list) {
for (kw = &kw_list->kw[0]; kw->str_kw[0]; kw++) {
if (kw->level & ~appctx->cli_level & (ACCESS_MASTER_ONLY|ACCESS_EXPERT))