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-rw-r--r--src/http/v3/ngx_http_v3_tables.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/src/http/v3/ngx_http_v3_tables.c b/src/http/v3/ngx_http_v3_tables.c
index e07332c96..8f4e28edd 100644
--- a/src/http/v3/ngx_http_v3_tables.c
+++ b/src/http/v3/ngx_http_v3_tables.c
@@ -159,12 +159,23 @@ ngx_int_t
ngx_http_v3_ref_insert(ngx_connection_t *c, ngx_uint_t dynamic,
ngx_uint_t index, ngx_str_t *value)
{
- ngx_str_t name;
+ ngx_str_t name;
+ ngx_http_v3_session_t *h3c;
+ ngx_http_v3_dynamic_table_t *dt;
if (dynamic) {
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
"http3 ref insert dynamic[%ui] \"%V\"", index, value);
+ h3c = ngx_http_v3_get_session(c);
+ dt = &h3c->table;
+
+ if (dt->base + dt->nelts <= index) {
+ return NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR;
+ }
+
+ index = dt->base + dt->nelts - 1 - index;
+
if (ngx_http_v3_lookup(c, index, &name, NULL) != NGX_OK) {
return NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR;
}