dovecot-1.2: Don't try to allocate too much memory if extension ...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-1.2/rev/28abdf929037
changeset: 8185:28abdf929037
user:      Timo Sirainen <tss at iki.fi>
date:      Wed Sep 10 21:53:13 2008 +0300
description:
Don't try to allocate too much memory if extension intro had too high ext_id.

diffstat:

1 file changed, 5 insertions(+)
src/lib-index/mail-index-sync-ext.c |    5 +++++

diffs (15 lines):

diff -r c22b7db8c173 -r 28abdf929037 src/lib-index/mail-index-sync-ext.c
--- a/src/lib-index/mail-index-sync-ext.c	Wed Sep 10 21:46:23 2008 +0300
+++ b/src/lib-index/mail-index-sync-ext.c	Wed Sep 10 21:53:13 2008 +0300
@@ -349,6 +349,11 @@ mail_index_sync_ext_unknown_complain(str
 				     uint32_t ext_map_idx)
 {
 	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 =