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authorerouault <erouault>2017-05-14 10:17:27 +0000
committererouault <erouault>2017-05-14 10:17:27 +0000
commit3184fb2e1973b0386758bf6e7e15526ca8fea748 (patch)
tree2bd3450ef0bb8fbdffbdda071716421627d9ec7f /libtiff
parentb4c365f3e131daa426a57920bf1615130b38b7ec (diff)
downloadlibtiff-3184fb2e1973b0386758bf6e7e15526ca8fea748.tar.gz
* libtiff/tif_luv.c: LogL16InitState(): avoid excessive memory
allocation when RowsPerStrip tag is missing. Credit to OSS-Fuzz (locally run, on GDAL)
Diffstat (limited to 'libtiff')
-rw-r--r--libtiff/tif_luv.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/libtiff/tif_luv.c b/libtiff/tif_luv.c
index 08d8b4f3..59d0a74c 100644
--- a/libtiff/tif_luv.c
+++ b/libtiff/tif_luv.c
@@ -1,4 +1,4 @@
-/* $Id: tif_luv.c,v 1.46 2017-05-13 18:29:38 erouault Exp $ */
+/* $Id: tif_luv.c,v 1.47 2017-05-14 10:17:27 erouault Exp $ */
/*
* Copyright (c) 1997 Greg Ward Larson
@@ -1314,8 +1314,10 @@ LogL16InitState(TIFF* tif)
}
if( isTiled(tif) )
sp->tbuflen = multiply_ms(td->td_tilewidth, td->td_tilelength);
- else
+ else if( td->td_rowsperstrip != (uint32)-1 )
sp->tbuflen = multiply_ms(td->td_imagewidth, td->td_rowsperstrip);
+ else
+ sp->tbuflen = multiply_ms(td->td_imagewidth, td->td_imagelength);
if (multiply_ms(sp->tbuflen, sizeof (int16)) == 0 ||
(sp->tbuf = (uint8*) _TIFFmalloc(sp->tbuflen * sizeof (int16))) == NULL) {
TIFFErrorExt(tif->tif_clientdata, module, "No space for SGILog translation buffer");