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Fix assertion in debug mode / heap-based buffer overflow in opj_write_bytes_LE for Cinema profiles with numresolutions = 1 (#985)

This commit is contained in:
Even Rouault 2017-08-15 11:55:58 +02:00
parent 52d5690a6f
commit 4241ae6fbb
1 changed files with 10 additions and 4 deletions
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14
src/lib/openjp2/j2k.c
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@ -6573,10 +6573,16 @@ static void opj_j2k_set_cinema_parameters(opj_cparameters_t *parameters,
/* Precincts */
parameters->csty |= 0x01;
parameters->res_spec = parameters->numresolution - 1;
for (i = 0; i < parameters->res_spec; i++) {
parameters->prcw_init[i] = 256;
parameters->prch_init[i] = 256;
if (parameters->numresolution == 1) {
parameters->res_spec = 1;
parameters->prcw_init[0] = 128;
parameters->prch_init[0] = 128;
} else {
parameters->res_spec = parameters->numresolution - 1;
for (i = 0; i < parameters->res_spec; i++) {
parameters->prcw_init[i] = 256;
parameters->prch_init[i] = 256;
}
}
/* The progression order shall be CPRL */