Description: imageworsener is a utility for image scaling and processing. A fuzz on it discovered a divide-by-zero. The complete ASan output: # imagew $FILE /tmp/out -outfmt bmp ==20305==ERROR: AddressSanitizer: FPE on unknown address 0x7f8e57340cd6 (pc 0x7f8e57340cd6 bp 0x7ffc0fee8910 sp 0x7ffc0fee87e0 … Continue reading imageworsener: divide-by-zero in iwgif_record_pixel (imagew-gif.c)