From: Timo Sirainen <tss@iki.fi>
Date: Sat, 2 Nov 2013 11:14:16 +0000 (+0200)
Subject: mbox: Added assert to try to catch corruption.
X-Git-Tag: 2.2.7~22
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c3e771be4a70733276e37185ef1c1ae5f3030734;p=thirdparty%2Fdovecot%2Fcore.git

mbox: Added assert to try to catch corruption.
---

diff --git a/src/lib-storage/index/mbox/mbox-sync.c b/src/lib-storage/index/mbox/mbox-sync.c
index 744098c148..b938e912b4 100644
--- a/src/lib-storage/index/mbox/mbox-sync.c
+++ b/src/lib-storage/index/mbox/mbox-sync.c
@@ -651,6 +651,8 @@ static int mbox_sync_handle_header(struct mbox_sync_mail_context *mail_ctx)
 		/* read the From-line before rewriting overwrites it */
 		if (mbox_read_from_line(mail_ctx) < 0)
 			return -1;
+		i_assert(mail_ctx->mail.from_offset + move_diff != 1 &&
+			 mail_ctx->mail.from_offset + move_diff != 2);
 
 		mbox_sync_update_header(mail_ctx);
 		ret = mbox_sync_try_rewrite(mail_ctx, move_diff);