diff options
Diffstat (limited to 'source/fitz/load-jpx.c')
| -rw-r--r-- | source/fitz/load-jpx.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/source/fitz/load-jpx.c b/source/fitz/load-jpx.c index b2cf46e7..2859068c 100644 --- a/source/fitz/load-jpx.c +++ b/source/fitz/load-jpx.c @@ -651,7 +651,7 @@ l2subfactor(fz_context *ctx, unsigned int max_w, unsigned int w) for (i = 0; max_w != 0 && w != max_w; i++) max_w >>= 1; if (max_w == 0) - fz_throw(ctx, FZ_ERROR_GENERIC, "image components are of incompatible dimensions"); + return -1; return i; } @@ -766,7 +766,11 @@ jpx_read_image(fz_context *ctx, fz_jpxd *state, unsigned char *data, size_t size case 1: state->cs = fz_device_gray(ctx); break; case 3: state->cs = fz_device_rgb(ctx); break; case 4: state->cs = fz_device_cmyk(ctx); break; - default: fz_throw(ctx, FZ_ERROR_GENERIC, "unsupported number of components: %d", n); + default: + { + opj_image_destroy(jpx); + fz_throw(ctx, FZ_ERROR_GENERIC, "unsupported number of components: %d", n); + } } } @@ -794,6 +798,11 @@ jpx_read_image(fz_context *ctx, fz_jpxd *state, unsigned char *data, size_t size { sub_w[k] = l2subfactor(ctx, max_w, jpx->comps[k].w); sub_h[k] = l2subfactor(ctx, max_h, jpx->comps[k].h); + if (sub_w[k] == -1 || sub_h[k] == -1) + { + opj_image_destroy(jpx); + fz_throw(ctx, FZ_ERROR_GENERIC, "image components are of incompatible dimensions"); + } if (sub_w[k] != 0 || sub_h[k] != 0) upsample_required = 1; } |