From 63747ac6534e3092f703527ba809eb93034bd57b Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Tue, 22 Aug 2023 15:45:35 -0400
Subject: [PATCH] Fix null ptr deref in bbpos_parse()
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
tools-util.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tools-util.c b/tools-util.c
index 624656a1..81ce63ae 100644
--- a/tools-util.c
+++ b/tools-util.c
@@ -671,6 +671,10 @@ struct bbpos bbpos_parse(char *buf)
die("invalid bbpos %s", buf);
ret.btree = read_string_list_or_die(field, bch2_btree_ids, "btree id");
+
+ if (!s)
+ die("invalid bbpos %s", buf);
+
ret.pos = bpos_parse(s);
return ret;
}