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Request body: added alert to catch duplicate body saving.
If due to an error ngx_http_request_body_save_filter() is called more than once with rb->rest == 0, this used to result in a segmentation fault. Added an alert to catch such errors, just in case.
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@ -1246,6 +1246,12 @@ ngx_http_request_body_save_filter(ngx_http_request_t *r, ngx_chain_t *in)
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if (rb->temp_file || r->request_body_in_file_only) {
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if (rb->bufs && rb->bufs->buf->in_file) {
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ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
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"body already in file");
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return NGX_HTTP_INTERNAL_SERVER_ERROR;
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}
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if (ngx_http_write_request_body(r) != NGX_OK) {
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return NGX_HTTP_INTERNAL_SERVER_ERROR;
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}
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