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[trun[trunk] check if the dx and dy steps are not incorrect according to the JPEG2000 norm (thanks Even).

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Test associated to this issue should nicely fail. Fixes issue 194
This commit is contained in:
Mickael Savinaud 2012-11-26 16:24:29 +00:00
parent 1ad85ac9ee
commit 59582bafa3
2 changed files with 9 additions and 2 deletions
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7
src/lib/openjp2/j2k.c
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@ -1998,6 +1998,13 @@ static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
opj_read_bytes(p_header_data,&tmp,1); /* YRsiz_i */
++p_header_data;
l_img_comp->dy = (OPJ_INT32)tmp; /* should be between 1 and 255 */
if( l_img_comp->dx < 1 || l_img_comp->dx > 255 ||
l_img_comp->dy < 1 || l_img_comp->dy > 255 ) {
opj_event_msg(p_manager, EVT_ERROR,
"Invalid values for comp = %d : dx=%u dy=%u\n (should be between 1 and 255 according the JPEG2000 norm)",
i, l_img_comp->dx, l_img_comp->dy);
return OPJ_FALSE;
}
#ifdef USE_JPWL
if (l_cp->correct) {

4
tests/nonregression/test_suite.ctest.in
View File

@ -80,8 +80,8 @@ opj_decompress -i @INPUT_NR_PATH@/mem-b2b86b74-2753.jp2 -o @TEMP_PATH@/mem-b2b8
! opj_decompress -i @INPUT_NR_PATH@/gdal_fuzzer_assert_in_opj_j2k_read_SQcd_SQcc.patch.jp2 -o @TEMP_PATH@/gdal_fuzzer_assert_in_opj_j2k_read_SQcd_SQcc.patch.pgx
# issue 193 raised by the gdal fuzzer test (should nicely failed)
!opj_decompress -i @INPUT_NR_PATH@/gdal_fuzzer_check_number_of_tiles.jp2 -o @TEMP_PATH@/gdal_fuzzer_check_number_of_tiles.pgx
# issue 194 raised by the gdal fuzzer test (should properly failed)
opj_decompress -i @INPUT_NR_PATH@/gdal_fuzzer_check_comp_dx_dy.jp2 -o @TEMP_PATH@/gdal_fuzzer_check_comp_dx_dy.pgx
# issue 194 raised by the gdal fuzzer test (should nicely failed)
! opj_decompress -i @INPUT_NR_PATH@/gdal_fuzzer_check_comp_dx_dy.jp2 -o @TEMP_PATH@/gdal_fuzzer_check_comp_dx_dy.pgx
# decode with specific area
# prec=12; nb_c=1