| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | John Naylor <john(dot)naylor(at)enterprisedb(dot)com> |
| Cc: | John Naylor <john(dot)naylor(at)postgresql(dot)org>, pgsql-committers(at)lists(dot)postgresql(dot)org |
| Subject: | Re: pgsql: Specialize tuplesort routines for different kinds of abbreviated |
| Date: | 2022-04-02 20:21:56 |
| Message-ID: | 20220402202156.6rfdcjsms5rq3m7a@alap3.anarazel.de |
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| Lists: | pgsql-committers |
Hi,
On 2022-04-02 13:15:57 -0700, Andres Freund wrote:
> I get a backtrace to investigate. Unfortunately abort_on_error=1 also removes
> the nicer error message :(. So I ran both.
This bit was just me being stupid and missing the error message...
> with that applied
> CFLAGS=-fsanitize=alignment,undefined,address -fno-sanitize-recover=all
> and
> export ASAN_OPTIONS="detect_leaks=0:disable_coredump=0:print_stacktrace=1:abort_on_error=1" UBSAN_OPTIONS="disable_coredump=0:print_stacktrace=1:abort_on_error=1"
Forgot to add the warning that disable_coredump=0 on non-linux (or old linux)
systems can end up generating humongous core files...
To be able to run rr with ubsan/asan one needs verify_asan_link_order=0 in
ASAN_OPTIONS btw.
Greetings,
Andres Freund
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