From: Wayne Davison <wayned@samba.org>
Date: Wed, 31 Oct 2007 04:43:19 +0000 (+0000)
Subject: Avoid a crash if we read an index value without a valid first_flist.
X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/commitdiff_plain/b1eca24226d0cc47b7ad47f93ec4f726c4abf197

Avoid a crash if we read an index value without a valid first_flist.
---

diff --git a/rsync.c b/rsync.c
index 79ec3845..7f8d65cb 100644
--- a/rsync.c
+++ b/rsync.c
@@ -265,7 +265,8 @@ int read_ndx_and_attrs(int f_in, int *iflag_ptr, uchar *type_ptr,
 	  invalid_ndx:
 		rprintf(FERROR,
 			"Invalid file index: %d (%d - %d) with iflags %x [%s]\n",
-			ndx, first_flist->ndx_start - 1, first_flist->prev->ndx_end,
+			ndx, first_flist ? first_flist->ndx_start - 1 : -1,
+			first_flist ? first_flist->prev->ndx_end : -1,
 			iflags, who_am_i());
 		exit_cleanup(RERR_PROTOCOL);
 	}