From: Timo Sirainen <tss@iki.fi>
Date: Tue, 16 Apr 2013 12:54:05 +0000 (+0300)
Subject: maildir: Fixed crash in some rare situations.
X-Git-Tag: 2.2.1~10
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1235bbd139a1ff97f641fa0e77205eb9adbb0400;p=thirdparty%2Fdovecot%2Fcore.git

maildir: Fixed crash in some rare situations.
---

diff --git a/src/lib-storage/index/maildir/maildir-util.c b/src/lib-storage/index/maildir/maildir-util.c
index e8b49300f4..0e41b466b1 100644
--- a/src/lib-storage/index/maildir/maildir-util.c
+++ b/src/lib-storage/index/maildir/maildir-util.c
@@ -87,6 +87,9 @@ static int maildir_file_do_try(struct maildir_mailbox *mbox, uint32_t uid,
 		fname = maildir_filename_guess(mbox, uid, fname,
 					       &flags, &have_flags);
 	}
+	/* make a copy, just in case callback refreshes uidlist and
+	   the pointer becomes invalid. */
+	fname = t_strdup(fname);
 
 	ret = 0;
 	if ((flags & MAILDIR_UIDLIST_REC_FLAG_NEW_DIR) != 0) {