diff options
Diffstat (limited to 'third_party/libopenjpeg20/0020-opj_aligned_malloc.patch')
-rw-r--r-- | third_party/libopenjpeg20/0020-opj_aligned_malloc.patch | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/third_party/libopenjpeg20/0020-opj_aligned_malloc.patch b/third_party/libopenjpeg20/0020-opj_aligned_malloc.patch deleted file mode 100644 index 7de6e967b6..0000000000 --- a/third_party/libopenjpeg20/0020-opj_aligned_malloc.patch +++ /dev/null @@ -1,67 +0,0 @@ -diff --git a/third_party/libopenjpeg20/README.pdfium b/third_party/libopenjpeg20/README.pdfium -index b1012af..a40ed7b 100644 ---- a/third_party/libopenjpeg20/README.pdfium -+++ b/third_party/libopenjpeg20/README.pdfium -@@ -29,4 +29,5 @@ Local Modifications: - 0017-tcd_init_tile.patch: Prevent integer overflows during calculation of |l_nb_precinct_size|. - 0018-tcd_get_decoded_tile_size.patch: Fix an integer overflow in opj_tcd_get_decoded_tile_size. - 0019-tcd_init_tile.patch: Prevent integer overflows during calculation of |l_nb_code_blocks_size|. -+0020-opj_aligned_malloc.patch: Prevent overflows when using opj_aligned_malloc(). - TODO(thestig): List all the other patches. -diff --git a/third_party/libopenjpeg20/dwt.c b/third_party/libopenjpeg20/dwt.c -index 3b92bdf..a666d1c 100644 ---- a/third_party/libopenjpeg20/dwt.c -+++ b/third_party/libopenjpeg20/dwt.c -@@ -576,6 +576,9 @@ static OPJ_BOOL opj_dwt_decode_tile(const opj_tcd_tilecomp_t* tilec, OPJ_UINT32 - OPJ_UINT32 w = (OPJ_UINT32)(tilec->x1 - tilec->x0); - - h.mem_count = opj_dwt_max_resolution(tr, numres); -+ if (((OPJ_UINT32)-1) / (OPJ_UINT32)sizeof(OPJ_INT32) < (OPJ_UINT32)h.mem_count) { -+ return OPJ_FALSE; -+ } - h.mem = (OPJ_INT32*)opj_aligned_malloc(h.mem_count * sizeof(OPJ_INT32)); - if (! h.mem){ - /* FIXME event manager error callback */ -@@ -850,7 +853,17 @@ OPJ_BOOL opj_dwt_decode_real(opj_tcd_tilecomp_t* restrict tilec, OPJ_UINT32 numr - - OPJ_UINT32 w = (OPJ_UINT32)(tilec->x1 - tilec->x0); - -- h.wavelet = (opj_v4_t*) opj_aligned_malloc((opj_dwt_max_resolution(res, numres)+5) * sizeof(opj_v4_t)); -+ OPJ_UINT32 mr = opj_dwt_max_resolution(res, numres); -+ -+ if (mr >= ((OPJ_UINT32)-5)) { -+ return OPJ_FALSE; -+ } -+ mr += 5; -+ -+ if (((OPJ_UINT32)-1) / (OPJ_UINT32)sizeof(opj_v4_t) < mr) { -+ return OPJ_FALSE; -+ } -+ h.wavelet = (opj_v4_t*) opj_aligned_malloc(mr * sizeof(opj_v4_t)); - if (!h.wavelet) { - /* FIXME event manager error callback */ - return OPJ_FALSE; -diff --git a/third_party/libopenjpeg20/t1.c b/third_party/libopenjpeg20/t1.c -index 108ce78..a119db1 100644 ---- a/third_party/libopenjpeg20/t1.c -+++ b/third_party/libopenjpeg20/t1.c -@@ -1173,6 +1173,9 @@ static OPJ_BOOL opj_t1_allocate_buffers( - if (!t1->encoder) { - if(datasize > t1->datasize){ - opj_aligned_free(t1->data); -+ if (((OPJ_UINT32)-1) / (OPJ_UINT32)sizeof(OPJ_INT32) < datasize) { -+ return OPJ_FALSE; -+ } - t1->data = (OPJ_INT32*) opj_aligned_malloc(datasize * sizeof(OPJ_INT32)); - if(!t1->data){ - /* FIXME event manager error callback */ -@@ -1187,6 +1190,9 @@ static OPJ_BOOL opj_t1_allocate_buffers( - - if(flagssize > t1->flagssize){ - opj_aligned_free(t1->flags); -+ if (((OPJ_UINT32)-1) / (OPJ_UINT32)sizeof(opj_flag_t) < flagssize) { -+ return OPJ_FALSE; -+ } - t1->flags = (opj_flag_t*) opj_aligned_malloc(flagssize * sizeof(opj_flag_t)); - if(!t1->flags){ - /* FIXME event manager error callback */ |