diff options
author | Oliver Chang <ochang@chromium.org> | 2015-12-14 15:07:26 -0800 |
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committer | Oliver Chang <ochang@chromium.org> | 2015-12-14 15:07:26 -0800 |
commit | 3026f26aa69e983837d05a5477fe22e79aed0d26 (patch) | |
tree | 1b45a6f0f58fd74b50f2875e93b98cfc1f09dbbc /third_party/libopenjpeg20/0005-jp2_apply_pclr.patch | |
parent | 1eb7477b3e7c5cb7c54ca364810ab9a24acad4f9 (diff) | |
download | pdfium-3026f26aa69e983837d05a5477fe22e79aed0d26.tar.xz |
openjpeg: Fix crash in opj_jp2_apply_pclr
R=tsepez@chromium.org, antonin@gmail.com, mathieu.malaterre@gmail.com
BUG=554172
Review URL: https://codereview.chromium.org/1492693003 .
Diffstat (limited to 'third_party/libopenjpeg20/0005-jp2_apply_pclr.patch')
-rw-r--r-- | third_party/libopenjpeg20/0005-jp2_apply_pclr.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/third_party/libopenjpeg20/0005-jp2_apply_pclr.patch b/third_party/libopenjpeg20/0005-jp2_apply_pclr.patch new file mode 100644 index 0000000000..fd3ca634ca --- /dev/null +++ b/third_party/libopenjpeg20/0005-jp2_apply_pclr.patch @@ -0,0 +1,49 @@ +diff --git a/third_party/libopenjpeg20/jp2.c b/third_party/libopenjpeg20/jp2.c +index 47f83a1..6e910a9 100644 +--- a/third_party/libopenjpeg20/jp2.c ++++ b/third_party/libopenjpeg20/jp2.c +@@ -902,7 +902,7 @@ static OPJ_BOOL opj_jp2_check_color(opj_image_t *image, opj_jp2_color_t *color, + opj_event_msg(p_manager, EVT_ERROR, "Invalid component/palette index for direct mapping %d.\n", pcol); + is_sane = OPJ_FALSE; + } +- else if (pcol_usage[pcol] && cmap[i].mtyp == 1) { ++ else if (pcol_usage[pcol] && cmap[i].mtyp != 0) { + opj_event_msg(p_manager, EVT_ERROR, "Component %d is mapped twice.\n", pcol); + is_sane = OPJ_FALSE; + } +@@ -982,8 +982,8 @@ static void opj_jp2_apply_pclr(opj_image_t *image, opj_jp2_color_t *color) + assert( pcol == 0 ); + new_comps[i] = old_comps[cmp]; + } else { +- assert( i == pcol ); +- new_comps[pcol] = old_comps[cmp]; ++ assert( i == pcol ); // probably wrong? ++ new_comps[i] = old_comps[cmp]; + } + + /* Palette mapping: */ +@@ -1007,11 +1007,11 @@ static void opj_jp2_apply_pclr(opj_image_t *image, opj_jp2_color_t *color) + cmp = cmap[i].cmp; pcol = cmap[i].pcol; + src = old_comps[cmp].data; + assert( src ); +- max = new_comps[pcol].w * new_comps[pcol].h; ++ max = new_comps[i].w * new_comps[i].h; + + /* Direct use: */ + if(cmap[i].mtyp == 0) { +- assert( cmp == 0 ); ++ assert( cmp == 0 ); // probably wrong. + dst = new_comps[i].data; + assert( dst ); + for(j = 0; j < max; ++j) { +@@ -1019,8 +1019,8 @@ static void opj_jp2_apply_pclr(opj_image_t *image, opj_jp2_color_t *color) + } + } + else { +- assert( i == pcol ); +- dst = new_comps[pcol].data; ++ assert( i == pcol ); // probably wrong? ++ dst = new_comps[i].data; + assert( dst ); + for(j = 0; j < max; ++j) { + /* The index */ |