Fixes: division by 0 Fixes: 53926/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-5680347889401856
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/tiff.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c index 41b5a6b7e4..820457fedc 100644 --- a/libavcodec/tiff.c +++ b/libavcodec/tiff.c @@ -2050,8 +2050,10 @@ again: } if (!s->use_color_matrix) { - for (i = 0; i < 3; i++) - s->premultiply[i] /= s->camera_calibration[i][i]; + for (i = 0; i < 3; i++) { + if (s->camera_calibration[i][i]) + s->premultiply[i] /= s->camera_calibration[i][i]; + } } else { for (int c = 0; c < 3; c++) { for (i = 0; i < 3; i++) { -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
