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[trunk] Fixed a crash on illegal tile offset when decoding 

Update  issue 427
This commit is contained in:
Matthieu Darbois 2014-12-18 22:56:38 +00:00
parent c0cb119c0e
commit 58fc86452d
3 changed files with 18 additions and 1 deletions
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16
src/lib/openjp2/j2k.c
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@ -1919,7 +1919,7 @@ static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
OPJ_UINT32 l_nb_comp_remain;
OPJ_UINT32 l_remaining_size;
OPJ_UINT32 l_nb_tiles;
OPJ_UINT32 l_tmp;
OPJ_UINT32 l_tmp, l_tx1, l_ty1;
opj_image_t *l_image = 00;
opj_cp_t *l_cp = 00;
opj_image_comp_t * l_img_comp = 00;
@ -1998,6 +1998,20 @@ static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
return OPJ_FALSE;
}
/* testcase issue427-illegal-tile-offset.jp2 */
l_tx1 = l_cp->tx0 + l_cp->tdx;
if (l_tx1 < l_cp->tx0) { /* manage overflow */
l_tx1 = 0xFFFFFFFFU;
}
l_ty1 = l_cp->ty0 + l_cp->tdy;
if (l_ty1 < l_cp->ty0) { /* manage overflow */
l_ty1 = 0xFFFFFFFFU;
}
if ((l_cp->tx0 > l_image->x0) || (l_cp->ty0 > l_image->y0) || (l_tx1 <= l_image->x0) || (l_ty1 <= l_image->y0) ) {
opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker: illegal tile offset\n");
return OPJ_FALSE;
}
#ifdef USE_JPWL
if (l_cp->correct) {
/* if JPWL is on, we check whether TX errors have damaged

1
tests/nonregression/CMakeLists.txt
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@ -44,6 +44,7 @@ set(BLACKLIST_JPEG2000_TMP
edf_c2_1673169.jp2
issue429.jp2
issue427-null-image-size.jp2
issue427-illegal-tile-offset.jp2
)
# Define a list of file which should be gracefully rejected:

2
tests/nonregression/test_suite.ctest.in
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@ -231,6 +231,8 @@ opj_decompress -i @INPUT_NR_PATH@/issue411-ycc420.jp2 -o @TEMP_PATH@/issue411-yc
!opj_decompress -i @INPUT_NR_PATH@/issue432.jp2 -o @TEMP_PATH@/issue432.jp2.pgx
# issue 427 image width is 0
!opj_decompress -i @INPUT_NR_PATH@/issue427-null-image-size.jp2 -o @TEMP_PATH@/issue427-null-image-size.jp2.pgx
# issue 427 illegal tile offset
!opj_decompress -i @INPUT_NR_PATH@/issue427-illegal-tile-offset.jp2 -o @TEMP_PATH@/issue427-illegal-tile-offset.jp2.pgx
# decode with specific area
# prec=12; nb_c=1