| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | exclusion(at)gmail(dot)com |
| Cc: | pgsql-bugs(at)lists(dot)postgresql(dot)org |
| Subject: | Re: BUG #19020: BufFileDumpBuffer writes uninitialized data on executing hash join |
| Date: | 2025-08-16 14:11:24 |
| Message-ID: | 757307.1755353484@sss.pgh.pa.us |
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| Lists: | pgsql-bugs |
PG Bug reporting form <noreply(at)postgresql(dot)org> writes:
> ==00:00:00:06.424 2914013== Syscall param pwrite64(buf) points to
> uninitialised byte(s)
> ==00:00:00:06.424 2914013== at 0x4FF8517: pwrite (pwrite64.c:25)
> ==00:00:00:06.424 2914013== by 0x7C10E8: pg_pwritev (pg_iovec.h:101)
> ==00:00:00:06.424 2914013== by 0x7C3BD1: FileWriteV (fd.c:2293)
> ==00:00:00:06.424 2914013== by 0x7BEB0A: FileWrite (fd.h:219)
> ==00:00:00:06.424 2914013== by 0x7BF685: BufFileDumpBuffer
> (buffile.c:538)
Looks like this path needs to be added to the suppressions in
src/tools/valgrind.supp. I'm a bit surprised that the buildfarm
hasn't already shown this up.
regards, tom lane
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