diff options
Diffstat (limited to 'chromium/third_party/pdfium/third_party/libopenjpeg20/0037-tcd_init_tile.patch')
| -rw-r--r-- | chromium/third_party/pdfium/third_party/libopenjpeg20/0037-tcd_init_tile.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/chromium/third_party/pdfium/third_party/libopenjpeg20/0037-tcd_init_tile.patch b/chromium/third_party/pdfium/third_party/libopenjpeg20/0037-tcd_init_tile.patch new file mode 100644 index 00000000000..e38a7ec8712 --- /dev/null +++ b/chromium/third_party/pdfium/third_party/libopenjpeg20/0037-tcd_init_tile.patch @@ -0,0 +1,31 @@ +diff --git a/third_party/libopenjpeg20/tcd.c b/third_party/libopenjpeg20/tcd.c +index 2ae211ef4..9e98f04ab 100644 +--- a/third_party/libopenjpeg20/tcd.c ++++ b/third_party/libopenjpeg20/tcd.c +@@ -910,8 +910,24 @@ static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no, + /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */ + l_tl_prc_x_start = opj_int_floordivpow2(l_res->x0, (OPJ_INT32)l_pdx) << l_pdx; + l_tl_prc_y_start = opj_int_floordivpow2(l_res->y0, (OPJ_INT32)l_pdy) << l_pdy; +- l_br_prc_x_end = opj_int_ceildivpow2(l_res->x1, (OPJ_INT32)l_pdx) << l_pdx; +- l_br_prc_y_end = opj_int_ceildivpow2(l_res->y1, (OPJ_INT32)l_pdy) << l_pdy; ++ { ++ OPJ_UINT32 tmp = ((OPJ_UINT32)opj_int_ceildivpow2(l_res->x1, ++ (OPJ_INT32)l_pdx)) << l_pdx; ++ if (tmp > (OPJ_UINT32)INT_MAX) { ++ opj_event_msg(manager, EVT_ERROR, "Integer overflow\n"); ++ return OPJ_FALSE; ++ } ++ l_br_prc_x_end = (OPJ_INT32)tmp; ++ } ++ { ++ OPJ_UINT32 tmp = ((OPJ_UINT32)opj_int_ceildivpow2(l_res->y1, ++ (OPJ_INT32)l_pdy)) << l_pdy; ++ if (tmp > (OPJ_UINT32)INT_MAX) { ++ opj_event_msg(manager, EVT_ERROR, "Integer overflow\n"); ++ return OPJ_FALSE; ++ } ++ l_br_prc_y_end = (OPJ_INT32)tmp; ++ } + /*fprintf(stderr, "\t\t\tprc_x_start=%d, prc_y_start=%d, br_prc_x_end=%d, br_prc_y_end=%d \n", l_tl_prc_x_start, l_tl_prc_y_start, l_br_prc_x_end ,l_br_prc_y_end );*/ + + l_res->pw = (l_res->x0 == l_res->x1) ? 0U : (OPJ_UINT32)(( |