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| author | Bastien Nocera <hadess@hadess.net> | 2018-12-13 15:25:37 +0100 |
|---|---|---|
| committer | Bastien Nocera <hadess@hadess.net> | 2018-12-13 15:48:25 +0100 |
| commit | 5459823667cc9de14e29959ee95226006a4e0039 (patch) | |
| tree | e7f4b0b59a9460220a279222ef05a7587f7d6dfe | |
| parent | 4fa8c5ec478c92b1a64a114b915cc32e670ab456 (diff) | |
mindtct: Check for multiplication overflow in interpolate_direction_map()
Assert if any of the multiplications, which are then used to allocate
memory, would overflow.
Closes: #100
| -rw-r--r-- | libfprint/nbis/mindtct/maps.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libfprint/nbis/mindtct/maps.c b/libfprint/nbis/mindtct/maps.c index 494a4de..d3a0b44 100644 --- a/libfprint/nbis/mindtct/maps.c +++ b/libfprint/nbis/mindtct/maps.c @@ -502,6 +502,8 @@ int interpolate_direction_map(int *direction_map, int *low_contrast_map, print2log("INTERPOLATE DIRECTION MAP\n"); /* Allocate output (interpolated) Direction Map. */ + ASSERT_SIZE_MUL(mw, mh); + ASSERT_SIZE_MUL(mw * mh, sizeof(int)); omap = (int *)malloc(mw*mh*sizeof(int)); if(omap == (int *)NULL){ fprintf(stderr, |