diff options
Diffstat (limited to 'third_party/libtiff/0009-HeapBufferOverflow-PixarLogDecode.patch')
| -rw-r--r-- | third_party/libtiff/0009-HeapBufferOverflow-PixarLogDecode.patch | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/third_party/libtiff/0009-HeapBufferOverflow-PixarLogDecode.patch b/third_party/libtiff/0009-HeapBufferOverflow-PixarLogDecode.patch deleted file mode 100644 index 57dbe2efb7..0000000000 --- a/third_party/libtiff/0009-HeapBufferOverflow-PixarLogDecode.patch +++ /dev/null @@ -1,33 +0,0 @@ -diff --git a/third_party/libtiff/tif_pixarlog.c b/third_party/libtiff/tif_pixarlog.c -index b93b4c7..0674fa4 100644 ---- a/third_party/libtiff/tif_pixarlog.c -+++ b/third_party/libtiff/tif_pixarlog.c -@@ -457,6 +457,7 @@ horizontalAccumulate8abgr(uint16 *wp, int n, int stride, unsigned char *op, - typedef struct { - TIFFPredictorState predict; - z_stream stream; -+ tmsize_t tbuf_size; /* only set/used on reading for now */ - uint16 *tbuf; - uint16 stride; - int state; -@@ -692,6 +693,7 @@ PixarLogSetupDecode(TIFF* tif) - sp->tbuf = (uint16 *) _TIFFmalloc(tbuf_size); - if (sp->tbuf == NULL) - return (0); -+ sp->tbuf_size = tbuf_size; - if (sp->user_datafmt == PIXARLOGDATAFMT_UNKNOWN) - sp->user_datafmt = PixarLogGuessDataFmt(td); - if (sp->user_datafmt == PIXARLOGDATAFMT_UNKNOWN) { -@@ -781,6 +783,12 @@ PixarLogDecode(TIFF* tif, uint8* op, tmsize_t occ, uint16 s) - TIFFErrorExt(tif->tif_clientdata, module, "ZLib cannot deal with buffers this size"); - return (0); - } -+ /* Check that we will not fill more than what was allocated */ -+ if ((tmsize_t)sp->stream.avail_out > sp->tbuf_size) -+ { -+ TIFFErrorExt(tif->tif_clientdata, module, "sp->stream.avail_out > sp->tbuf_size"); -+ return (0); -+ } - do { - int state = inflate(&sp->stream, Z_PARTIAL_FLUSH); - if (state == Z_STREAM_END) { |