From 95b982db7d3f8e91e71382715ed9ae310114e796 Mon Sep 17 00:00:00 2001 From: Xin LI <delphij@FreeBSD.org> Date: Thu, 14 May 2015 21:34:20 +0000 Subject: [PATCH] Apply upstream changeset e6c9668: Add a check to archive_read_filter_consume to reject any attempts to move the file pointer by a negative amount. Note: Either this or commit 3865cf2 provides a fix for Issue 394. --- libarchive/archive_read.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libarchive/archive_read.c b/libarchive/archive_read.c index 048c316c52d4..7f3edc1567dd 100644 --- a/libarchive/archive_read.c +++ b/libarchive/archive_read.c @@ -1394,6 +1394,8 @@ __archive_read_filter_consume(struct archive_read_filter * filter, { int64_t skipped; + if (request < 0) + return ARCHIVE_FATAL; if (request == 0) return 0;