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[trunk] Add check for number of layers & cblkw/cblkh values (fixes issue 475)

This commit is contained in:
Matthieu Darbois 2015-05-19 21:24:44 +00:00
parent daed8cc919
commit 757f9394bf
3 changed files with 15 additions and 0 deletions
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11
src/lib/openjp2/j2k.c
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@ -2463,6 +2463,11 @@ static OPJ_BOOL opj_j2k_read_cod ( opj_j2k_t *p_j2k,
opj_read_bytes(p_header_data,&l_tcp->numlayers,2); /* SGcod (B) */
p_header_data+=2;
if ((l_tcp->numlayers < 1U) || (l_tcp->numlayers > 65535U)) {
opj_event_msg(p_manager, EVT_ERROR, "Invalid number of layers in COD marker : %d not in range [1-65535]\n", l_tcp->numlayers);
return OPJ_FALSE;
}
/* If user didn't set a number layer to decode take the max specify in the codestream. */
if (l_cp->m_specific_param.m_dec.m_layer) {
l_tcp->num_layers_to_decode = l_cp->m_specific_param.m_dec.m_layer;
@ -8631,6 +8636,12 @@ OPJ_BOOL opj_j2k_read_SPCod_SPCoc( opj_j2k_t *p_j2k,
++l_current_ptr;
l_tccp->cblkh += 2;
if ((l_tccp->cblkw > 10) || (l_tccp->cblkh > 10) || ((l_tccp->cblkw + l_tccp->cblkh) > 12)) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element, Invalid cblkw/cblkh combination\n");
return OPJ_FALSE;
}
opj_read_bytes(l_current_ptr,&l_tccp->cblksty ,1); /* SPcoc (G) */
++l_current_ptr;

2
tests/nonregression/CMakeLists.txt
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@ -73,6 +73,8 @@ set(BLACKLIST_JPEG2000
27ac957758a35d00d6765a0c86350d9c.SIGFPE.d25.537.jpc #kdu_jp2info crash
3672da2f1f67bbecad27d7181b4e9d7c.SIGFPE.d25.805.jpc #kdu_jp2info crash
issue476.jp2 #kdu_jp2info ok
issue475.jp2 #kdu_jp2info ok
issue413.jp2 #kdu_jp2info ok
)
file(GLOB_RECURSE OPJ_DATA_NR_LIST

2
tests/nonregression/test_suite.ctest.in
View File

@ -262,6 +262,8 @@ opj_decompress -i @INPUT_NR_PATH@/issue411-ycc420.jp2 -o @TEMP_PATH@/issue411-yc
opj_decompress -i @INPUT_NR_PATH@/issue458.jp2 -o @TEMP_PATH@/issue458.jp2.pgx
# issue 476 Multiple COD in MH
!opj_decompress -i @INPUT_NR_PATH@/issue476.jp2 -o @TEMP_PATH@/issue476.jp2.pgx
# issue 475 Invalid number of layers
!opj_decompress -i @INPUT_NR_PATH@/issue475.jp2 -o @TEMP_PATH@/issue475.jp2.pgx
# decode with specific area