On 29 April 2016 at 08:31, Andreas Seltenreich <seltenre...@gmx.de> wrote:

> Hi,
> tonight's sqlsmith run yielded another core dump:
> TRAP: FailedAssertion("!(MyProc->lockGroupLeader == ((void *)0))", File:
> "proc.c", Line: 1787)
> I couldn't identifiy a query for it though: debug_query_string is empty.
> Additionally, the offending query was not reported in the error context
> as it typically is for non-parallel executor crashes.

It's good that the input is fuzzed, but there needs to be a way to re-run
identical fuzzing or a way to backtrack to find what broke. Not much point
finding bugs we can't identify later.

Simon Riggs                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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