Re: Valgrind suppressions in back branches not working

Hi,

On 2025-03-05 16:28:21 -0500, Andres Freund wrote:
> Some time recently valgrind suppressions in the older backbranches stopped
> fully working. E.g.
> 
> https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=skink&dt=2025-03-04%2022%3A31%3A25
> failed on 14, with:
> 
> [...]
>
> An embarassing amount of staring later I realized this must be due to the
> cancellation related functions in the stack trace.
> 
> 
> I think all we need to do is to add a ... line to the two relevant
> suppressions, similar to what we do for other suppressions. See attached.
> 
> 
> I don't think we need it for other suppressions, they either already use
> ... or aren't below a syscall.

Pushed to 13 and 14, may skink be well.

Greetings,

Andres Freund