[DRILL-5668] C++ connector crash when query error message is too long

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.10.0
• Fix Version/s: 1.11.0
• Component/s: Client - C++
• Assignee: Laurent Goujon
• Reporter: Laurent Goujon
• Created: 12/Jul/17 05:17
• Updated: 12/Jul/17 18:00
• Resolved: 12/Jul/17 18:00

Description

The C++ connector crashes if the query sent to the server is invalid and the error message returned by the server is too long.

The cause of the crash is a call to a vsprintf function which takes a fixed sized char buffer, but doesn't take a size argument.

https://github.com/apache/drill/blob/master/contrib/native/client/src/clientlib/errmsgs.cpp#L80

Issue Links

• links to: GitHub Pull Request #873