At Wed, 20 Jul 2022 10:58:16 +0900, Masahiko Sawada <sawada.m...@gmail.com> 
wrote in 
> On Wed, Jul 20, 2022 at 9:58 AM Kyotaro Horiguchi
> <horikyota....@gmail.com> wrote:
> > Mmm. the patch changed that behavior. AllocateSnapshotBuilder always
> > allocate the array with a fixed size. SnapBuildAddCommittedTxn still
>  > assumes builder->committed.xip is non-NULL.  SnapBuildRestore *kept*
> > ondisk.builder.commited.xip populated with a valid array pointer. But
> > the patch allows committed.xip be NULL, thus in that case,
> > SnapBuildAddCommitedTxn calls repalloc(NULL) which triggers assertion
> > failure.
> 
> IIUC the patch doesn't allow committed.xip to be NULL since we don't
> overwrite it if builder->committed.xcnt is 0 (i.e.,
> ondisk.builder.committed.xip is NULL):

I meant that ondisk.builder.committed.xip can be NULL.. But looking
again that cannot be.  I don't understand what I was looking at at
that time.

So, sorry for the noise.

regards.

-- 
Kyotaro Horiguchi
NTT Open Source Software Center


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