Fix envelope truncation in http_response when called after fs_read #55

2026-05-11T00:23:24Z

will.anderson commented

2026-05-11 00:23:24 +00:00

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will.anderson added 1 commit 2026-05-11 00:23:26 +00:00

Fix http_response() truncating envelope via stale _tl_fs_read_len

Dev — Build & local smoke test / build-smoke (pull_request) Failing after 2m22s

Details

0433fe8c0f

http_response() builds a JSON envelope wrapping the body. If the caller
previously called fs_read() (which sets _tl_fs_read_len = file_size),
http_worker used that stale value as the response copy length — truncating
the larger envelope to the original file size before it reached
http_send_response. The truncated envelope had the body field cut mid-string;
jp_parse_string_raw failed, env_body = "", and http_send_all sent file_size
bytes of garbage past the empty string.

Fix: reset _tl_fs_read_len = 0 at the start of http_response(). The hint
was set for the raw file bytes; the envelope is a new string and must use
strlen() for its length.

will.anderson merged commit f27fc2622c into dev

2026-05-11 00:23:30 +00:00

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Reference: neuron-technologies/neuron-web#55