[jira] [Created] (PROTON-2136) fuzz-connection-driver.c exits with 1 when the engine stops accepting additional input

["Jiri Daněk (Jira)" <ji...@apache.org>]

Jiri Daněk created PROTON-2136:
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             Summary: fuzz-connection-driver.c exits with 1 when the engine stops accepting additional input
                 Key: PROTON-2136
                 URL: https://issues.apache.org/jira/browse/PROTON-2136
             Project: Qpid Proton
          Issue Type: Test
          Components: proton-c
    Affects Versions: proton-c-0.29.0
            Reporter: Jiri Daněk
            Assignee: Jiri Daněk


{noformat}
size_t fcd_read(pn_connection_driver_t *driver, uint8_t **data, size_t *size) {
  pn_rwbytes_t buf = pn_connection_driver_read_buffer(driver);
  size_t s = (*size < buf.size) ? *size : buf.size;
  if (buf.start == NULL) {
    exit(1);
  }
{noformat}

The engine offers a null buffer for further input. AFAIK that is legit, because it is just that the "socket" was closed for further input, after reading the invalid header.

The fuzz target should just return peacefully at this point and not crash.



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