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https://issues.apache.org/jira/browse/PROTON-2136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16973327#comment-16973327
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ASF GitHub Bot commented on PROTON-2136:
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jdanekrh commented on pull request #208: PROTON-2136 Fix fuzz-connection-driver
to be tolerant of NULL input buffer
URL: https://github.com/apache/qpid-proton/pull/208
I completely forgot about this one. Maybe when it is fixed, the fuzz target
will not be crashing so much and the OSS Fuzz infra will run it more.
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> 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
>
> {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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