Joseph Ferano
e22a8dba82
The 4K result cap and condition_name[128] are on the agent's socket path, which is why the sanitizer corpus cannot reach them: a program in the sweep has no socket and nobody on the other end of it. test_agent has both. A 5000-byte string literal evaluated into the running program comes back as exactly 4096 bytes ending in the ellipsis result_end puts there to say it clamped — and it comes back through the seqlock's copy, so the cap and the new reader are pinned by the same case. The header also shows the generation as 1, which is the count of complete values rather than the raw counter. A condition class of 198 characters comes back from `status` as 127 and a terminator. Aborting out of that break is what pins the exit status at 134 now that the loop leaves with _exit rather than exit. SNAP_MAX, SNAP_NAMES and the dev registry's overflow guard are still read rather than tested. Sixty-five nested restart-cases and four thousand interned names are a lot of program to write for a clamp each, and neither is on a path this session changed. flan_dev_result_cap() exists so the size is asked for rather than written down in two files: "the copy is never truncated" is only true while the agent's buffer and the runtime's bound agree, and the agent checks that where the copy happens. The pipe the queue program blocks on is close-on-exec, or the child inherits the write end and its own stdin never reaches end of file — it sat in its last read waiting for a byte only it could send.
16 lines
981 B
Plaintext
16 lines
981 B
Plaintext
;;;; The agent's condition_name[128], which had no coverage at all: it is on
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;;;; the socket path, so nothing in the sanitizer corpus can reach it.
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;;;;
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;;;; The condition class here is 200 characters, so the copy into that buffer
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;;;; has to clamp, and [status] answers with the 127 that fit. The name is ugly
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;;;; on purpose — its length is the whole of the test.
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(import agent "vendor:agent")
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(defstruct MissingYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY [id i32])
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(defn main [] i32
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;; The path is overridden by FLAN_AGENT_SOCKET; a program has to name one.
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(agent/start "/tmp/flan-longname.sock")
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(error (MissingYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY {:id 1}))
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0)
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