1From e646271050da793fe50fe829b465c4e692fb7d53 Mon Sep 17 00:00:00 2001
2From: Kamil Dudka <kdudka@redhat.com>
3Date: Mon, 14 Sep 2015 18:24:56 +0200
4Subject: [PATCH] fix infinite loop when extracting empty bzip2 data
5
6---
7 extract.c | 6 ++++++
8 1 file changed, 6 insertions(+)
9
10diff --git a/extract.c b/extract.c
11index f951b9f..188f1cf 100644
12--- a/extract.c
13+++ b/extract.c
14@@ -2729,6 +2729,12 @@ __GDEF
15 int repeated_buf_err;
16 bz_stream bstrm;
17
18+ if (G.incnt <= 0 && G.csize <= 0L) {
19+ /* avoid an infinite loop */
20+ Trace((stderr, "UZbunzip2() got empty input\n"));
21+ return 2;
22+ }
23+
24 #if (defined(DLL) && !defined(NO_SLIDE_REDIR))
25 if (G.redirect_slide)
26 wsize = G.redirect_size, redirSlide = G.redirect_buffer;
27--
282.20.1
29