From: Timo Sirainen <timo.sirainen@open-xchange.com>
Date: Tue, 14 Oct 2025 09:49:54 +0000 (+0300)
Subject: maildir: Fix error handling if dovecot-uidlist file is unexpectedly lost
X-Git-Tag: 2.4.2~85
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9caf63a07d73539e5479b821763a96547723b370;p=thirdparty%2Fdovecot%2Fcore.git

maildir: Fix error handling if dovecot-uidlist file is unexpectedly lost

It would have failed with lseek() error.
---

diff --git a/src/lib-storage/index/maildir/maildir-uidlist.c b/src/lib-storage/index/maildir/maildir-uidlist.c
index 21de7c7d30..e9602f1f37 100644
--- a/src/lib-storage/index/maildir/maildir-uidlist.c
+++ b/src/lib-storage/index/maildir/maildir-uidlist.c
@@ -1539,7 +1539,7 @@ static int maildir_uidlist_sync_update(struct maildir_uidlist_sync_ctx *ctx)
 		i_assert(uidlist->initial_hdr_read);
 		if (maildir_uidlist_open_latest(uidlist) < 0)
 			return -1;
-		if (uidlist->recreate_on_change)
+		if (uidlist->fd == -1 || uidlist->recreate_on_change)
 			return maildir_uidlist_recreate(uidlist);
 	}
 	i_assert(ctx->first_unwritten_pos != UINT_MAX);