I have not received any response to the e-mail below. Does this mean my
concern is deemed unimportant?
Mark
On 16-1-2016 16:15, Mark Rotteveel wrote:
> I have finally found what caused Jaybird 3.0 to crash Firebird 2.1.7
> with about a 100% success rate.
>
> When detaching from a database, I refrained from reading the response to
> op_detach (as I thought this would be irrelevant as the connections is
> going to get closed anyway). Doing this causes Firebird 2.1.7 to crash
> (SuperServer, 64 bit, on windows 10; haven't tested other platforms).
> This doesn't always happen immediately, sometimes it requires multiple
> attach/detach cycles.
>
> I know that Firebird 2.1.7 is EOL, but maybe this is a serious enough
> denial of service bug to consider releasing a security update.
>
> The specific case I used includes creating and dropping a database, so I
> am not entirely sure that just attaching and detaching is sufficient.
>
> Specifically I used:
>
> public class FB21Crash {
>
> private static final int RETRY_LIMIT = 10;
>
> @Test
> public void tryCrash() throws Exception {
> int remaining = RETRY_LIMIT;
> do {
> System.out.println("Attempts remaining " + remaining--);
> FBManager fbManager = new
> FBManager(FBTestProperties.getGdsType());
> FBTestProperties.defaultDatabaseSetUp(fbManager);
> FBTestProperties.defaultDatabaseTearDown(fbManager);
> } while (remaining > 0);
> }
> }
>
--
Mark Rotteveel
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