diff options
Diffstat (limited to 'media-libs/tiff/files/tiff-4.0.7-bug2638.patch')
| -rw-r--r-- | media-libs/tiff/files/tiff-4.0.7-bug2638.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/media-libs/tiff/files/tiff-4.0.7-bug2638.patch b/media-libs/tiff/files/tiff-4.0.7-bug2638.patch new file mode 100644 index 000000000000..15541576c586 --- /dev/null +++ b/media-libs/tiff/files/tiff-4.0.7-bug2638.patch @@ -0,0 +1,29 @@ +From 9f5536843f2ae641542bb81a3023dbc581fac184 Mon Sep 17 00:00:00 2001 +From: Even Rouault <even.rouault@spatialys.com> +Date: Tue, 20 Dec 2016 17:13:26 +0000 +Subject: [PATCH] * tools/tiff2pdf.c: fix wrong usage of memcpy() that can + trigger unspecified behaviour. Fixes + http://bugzilla.maptools.org/show_bug.cgi?id=2638 + +--- + ChangeLog | 6 ++++++ + tools/tiff2pdf.c | 5 +++-- + 2 files changed, 9 insertions(+), 2 deletions(-) + +diff --git a/tools/tiff2pdf.c b/tools/tiff2pdf.c +index afea414bebf6..78ffa77d123a 100644 +--- a/tools/tiff2pdf.c ++++ b/tools/tiff2pdf.c +@@ -3593,7 +3593,8 @@ void t2p_tile_collapse_left( + + edgescanwidth = (scanwidth * edgetilewidth + (tilewidth - 1))/ tilewidth; + for(i=0;i<tilelength;i++){ +- _TIFFmemcpy( ++ /* We use memmove() since there can be overlaps in src and dst buffers for the first items */ ++ memmove( + &(((char*)buffer)[edgescanwidth*i]), + &(((char*)buffer)[scanwidth*i]), + edgescanwidth); +-- +2.12.0 + |