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| author | Marcus Meissner <marcus@jet.franken.de> | 2020-01-25 19:24:53 +0100 |
|---|---|---|
| committer | Marcus Meissner <marcus@jet.franken.de> | 2020-01-25 19:24:53 +0100 |
| commit | 2c6563298ade70427775896b1f79e820f4e46348 (patch) | |
| tree | 2f692f824935a6fd44a52468f1797b99e6f8ae67 | |
| parent | 8b0ec6d07a62a22586adb2b077612dd532996fa9 (diff) | |
| download | libgphoto2-2c6563298ade70427775896b1f79e820f4e46348.tar.gz | |
added a check on the boundaries of the homo_h processing (ASAN)
Otherwise we read 1 entry before the array and 1 entry after.
| -rw-r--r-- | libgphoto2/ahd_bayer.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libgphoto2/ahd_bayer.c b/libgphoto2/ahd_bayer.c index efedfd5ff..5254d28dc 100644 --- a/libgphoto2/ahd_bayer.c +++ b/libgphoto2/ahd_bayer.c @@ -581,8 +581,10 @@ int gp_ahd_interpolate (unsigned char *image, int w, int h, BayerTile tile) for (i=-1; i < 2;i++) { for (k=0; k < 3;k++) { j=i+x+w*k; - homo_ch[x]+=homo_h[j]; - homo_cv[x]+=homo_v[j]; + if ((j >= 0) && ( j < w*3)) { + homo_ch[x]+=homo_h[j]; + homo_cv[x]+=homo_v[j]; + } } } for (color=0; color < 3; color++) { |