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Split clients: check length when parsing configuration.
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@ -218,7 +218,7 @@ ngx_http_split_clients(ngx_conf_t *cf, ngx_command_t *dummy, void *conf)
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part->percent = 0;
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} else {
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if (value[0].data[value[0].len - 1] != '%') {
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if (value[0].len == 0 || value[0].data[value[0].len - 1] != '%') {
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goto invalid;
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}
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