From 5e2478ccbb7927256f72cb749cf1a8d97dbbd4e9 Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@gmx.de>
Date: Fri, 20 Sep 2013 16:02:10 +0200
Subject: acid: handle buffer overflow with ridiculous long symbol names
 (thanks mischief)

go seems to accidently creates ridiculous long symbol names
causing acid to crash.
---
 sys/src/cmd/acid/util.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sys/src/cmd/acid/util.c b/sys/src/cmd/acid/util.c
index f77e9f829..b47d4cbbb 100644
--- a/sys/src/cmd/acid/util.c
+++ b/sys/src/cmd/acid/util.c
@@ -71,6 +71,12 @@ varsym(void)
 			if(s->name[0] == '.')
 				continue;
 
+			if(strlen(s->name) >= sizeof(buf)-6){
+				if(!quiet)
+					print("Symbol name too long: %s\n", s->name);
+				continue;
+			}
+
 			v = s->value;
 			tl = al(TLIST);
 			*tail = tl;
-- 
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