imap: Fix assert-crash when client is disconnected during a long COPY…

…/MOVE Similar fix than 481992b Fixes: Panic: file cmd-copy.c: line 50 (fetch_and_copy): assertion failed: (o_stream_is_corked(client->output))
dovecot · May 30, 2018 · 5718300 · 5718300
1 parent 56d47c7
commit 5718300
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/imap/cmd-copy.c b/src/imap/cmd-copy.c
@@ -47,7 +47,8 @@ static int fetch_and_copy(struct client_command_context *cmd, bool move,
 	string_t *src_uidset;
 	int ret;
 
-	i_assert(o_stream_is_corked(client->output));
+	i_assert(o_stream_is_corked(client->output) ||
+		 client->output->stream_errno != 0);
 
 	src_uidset = t_str_new(256);
 	msgset_generator_init(&srcset_ctx, src_uidset);