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

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

     [ https://issues.apache.org/jira/browse/PROTON-2136?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jiri Daněk updated PROTON-2136:
-------------------------------
    Fix Version/s: proton-c-0.30.0

> 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
>            Priority: Major
>             Fix For: proton-c-0.30.0
>
>
> {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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