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overflow: fix some more potential overflows

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This commit is contained in:
Wim Taymans 2026-04-27 12:29:31 +02:00
parent fb4e148985
commit daa66c0646
5 changed files with 48 additions and 18 deletions
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9
spa/plugins/videoconvert/videoadapter.c
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@ -358,6 +358,7 @@ static void emit_node_info(struct impl *this, bool full)
if (this->info.props)
n_items = this->info.props->n_items;
n_items = SPA_MIN(n_items, 1024u);
items = alloca((n_items + 2) * sizeof(struct spa_dict_item));
for (i = 0; i < n_items; i++)
items[i] = this->info.props->items[i];
@ -518,6 +519,9 @@ static int negotiate_buffers(struct impl *this)
align = SPA_MAX(align, this->max_align);
if (blocks > 4096)
return -ENOMEM;
datas = alloca(sizeof(struct spa_data) * blocks);
memset(datas, 0, sizeof(struct spa_data) * blocks);
aligns = alloca(sizeof(uint32_t) * blocks);
@ -1910,9 +1914,10 @@ static int load_converter(struct impl *this, const struct spa_dict *info,
char direction[16];
uint32_t i;
items = alloca((info->n_items + 1) * sizeof(struct spa_dict_item));
uint32_t n_items = SPA_MIN(info->n_items, 1024u);
items = alloca((n_items + 1) * sizeof(struct spa_dict_item));
cinfo = SPA_DICT(items, 0);
for (i = 0; i < info->n_items; i++)
for (i = 0; i < n_items; i++)
items[cinfo.n_items++] = info->items[i];
snprintf(direction, sizeof(direction), "%s",