From 4f168b7368eaab89d803ae9527016d527ed83713 Mon Sep 17 00:00:00 2001 From: Thomas Bernard Date: Sat, 8 Feb 2020 13:43:35 +0100 Subject: tiffcrop: fix asan runtime error caused by integer promotion tiffcrop.c:4027:20: runtime error: left shift of 190 by 24 places cannot be represented in type 'int' C treats (byte << 24) as an int expression. casting explicitely to unsigned type uint32 avoids the problem. the same issue has been fixed elsewhere with a24213691616e7cd35aa3e2805493de80c7e4fcf I detected the bug with the test file of #86 --- tools/tiffcrop.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/tiffcrop.c b/tools/tiffcrop.c index 29c19a2f..6cc5a2ce 100644 --- a/tools/tiffcrop.c +++ b/tools/tiffcrop.c @@ -4024,9 +4024,9 @@ combineSeparateSamples24bits (uint8 *in[], uint8 *out, uint32 cols, { src = in[s] + src_offset + src_byte; if (little_endian) - buff1 = (src[0] << 24) | (src[1] << 16) | (src[2] << 8) | src[3]; + buff1 = ((uint32)src[0] << 24) | ((uint32)src[1] << 16) | ((uint32)src[2] << 8) | (uint32)src[3]; else - buff1 = (src[3] << 24) | (src[2] << 16) | (src[1] << 8) | src[0]; + buff1 = ((uint32)src[3] << 24) | ((uint32)src[2] << 16) | ((uint32)src[1] << 8) | (uint32)src[0]; buff1 = (buff1 & matchbits) << (src_bit); /* If we have a full buffer's worth, write it out */ -- cgit v1.2.1