From: Timo Sirainen <tss@iki.fi>
Date: Wed, 10 Sep 2008 18:53:13 +0000 (+0300)
Subject: Don't try to allocate too much memory if extension intro had too high ext_id.
X-Git-Tag: 1.2.alpha2~63
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=6bb0cb66286440890afad9b993baa7889299ea2c;p=thirdparty%2Fdovecot%2Fcore.git

Don't try to allocate too much memory if extension intro had too high ext_id.

--HG--
branch : HEAD
---

diff --git a/src/lib-index/mail-index-sync-ext.c b/src/lib-index/mail-index-sync-ext.c
index 406802b8cc..81f5336064 100644
--- a/src/lib-index/mail-index-sync-ext.c
+++ b/src/lib-index/mail-index-sync-ext.c
@@ -350,6 +350,11 @@ mail_index_sync_ext_unknown_complain(struct mail_index_sync_map_ctx *ctx,
 {
 	unsigned char *p;
 
+	if (ext_map_idx >= 1024) {
+		/* don't try to track too high values */
+		return TRUE;
+	}
+
 	if (ctx->unknown_extensions == NULL) {
 		ctx->unknown_extensions =
 			buffer_create_dynamic(default_pool, ext_map_idx + 8);