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filter-graph: limit lv2 ports

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Limit the lv2 ports to 512 and check for allocation errors.
This commit is contained in:
Wim Taymans 2026-05-04 12:16:26 +02:00
parent e423844f9b
commit 2993bf1722
1 changed files with 10 additions and 0 deletions
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10
spa/plugins/filter-graph/plugin_lv2.c
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@ -5,6 +5,8 @@
#include <dlfcn.h> #include <dlfcn.h>
#include <math.h> #include <math.h>
#define MAX_PORTS 512
#include <lilv/lilv.h> #include <lilv/lilv.h>
#include <spa/utils/defs.h> #include <spa/utils/defs.h>
@ -536,7 +538,15 @@ static const struct spa_fga_descriptor *lv2_plugin_make_desc(void *plugin, const
desc->desc.flags = 0; desc->desc.flags = 0;
desc->desc.n_ports = lilv_plugin_get_num_ports(p->p); desc->desc.n_ports = lilv_plugin_get_num_ports(p->p);
if (desc->desc.n_ports > MAX_PORTS) {
free(desc);
return NULL;
}
desc->desc.ports = calloc(desc->desc.n_ports, sizeof(struct spa_fga_port)); desc->desc.ports = calloc(desc->desc.n_ports, sizeof(struct spa_fga_port));
if (desc->desc.ports == NULL) {
free(desc);
return NULL;
}
mins = alloca(desc->desc.n_ports * sizeof(float)); mins = alloca(desc->desc.n_ports * sizeof(float));
maxes = alloca(desc->desc.n_ports * sizeof(float)); maxes = alloca(desc->desc.n_ports * sizeof(float));