+1
On Fri, Jan 3, 2025 at 3:57 AM Ruben Safir <[email protected]> wrote:
> thank you
>
> On Fri, Jan 03, 2025 at 10:56:44AM +0000, Michael Stevens wrote:
> > Hi,
> >
> > This change hopefully fixes a memory leak in Embperl 3.0.0:
> >
> > Output of valgrind running test suite without change:
> >
> > ==912727==
> > ==912727== HEAP SUMMARY:
> > ==912727== in use at exit: 25,119,424 bytes in 88,791 blocks
> > ==912727== total heap usage: 1,183,812 allocs, 1,095,021 frees,
> > 153,474,615 bytes allocated
> > ==912727==
> > ==912727== LEAK SUMMARY:
> > ==912727== definitely lost: 50,430 bytes in 1,446 blocks
> > ==912727== indirectly lost: 107,796 bytes in 42 blocks
> > ==912727== possibly lost: 24,691,729 bytes in 87,116 blocks
> > ==912727== still reachable: 269,469 bytes in 187 blocks
> > ==912727== of which reachable via heuristic:
> > ==912727== length64 : 28 bytes in 1
> blocks
> > ==912727== newarray : 59,824 bytes in
> > 1,787 blocks
> > ==912727== suppressed: 0 bytes in 0 blocks
> > ==912727== Rerun with --leak-check=full to see details of leaked memory
> > ==912727==
> > ==912727== Use --track-origins=yes to see where uninitialised values come
> > from
> > ==912727== For lists of detected and suppressed errors, rerun with: -s
> > ==912727== ERROR SUMMARY: 133 errors from 12 contexts (suppressed: 0
> from 0)
> >
> > Output of valgrind running test suite with change:
> >
> > ==911443==
> > ==911443== HEAP SUMMARY:
> > ==911443== in use at exit: 25,081,636 bytes in 87,362 blocks
> > ==911443== total heap usage: 1,183,979 allocs, 1,096,617 frees,
> > 152,712,387 bytes allocated
> > ==911443==
> > ==911443== LEAK SUMMARY:
> > ==911443== definitely lost: 28,230 bytes in 44 blocks
> > ==911443== indirectly lost: 65,364 bytes in 29 blocks
> > ==911443== possibly lost: 24,722,683 bytes in 87,103 blocks
> > ==911443== still reachable: 265,359 bytes in 186 blocks
> > ==911443== of which reachable via heuristic:
> > ==911443== newarray : 63,240 bytes in
> > 1,788 blocks
> > ==911443== suppressed: 0 bytes in 0 blocks
> > ==911443== Rerun with --leak-check=full to see details of leaked memory
> > ==911443==
> > ==911443== Use --track-origins=yes to see where uninitialised values come
> > from
> > ==911443== For lists of detected and suppressed errors, rerun with: -s
> > ==911443== ERROR SUMMARY: 115 errors from 12 contexts (suppressed: 0
> from 0)
> >
> > Proposed change is:
> >
> > diff -urN orig/Embperl-3.0.0/epparse.c Embperl-3.0.0/epparse.c
> > --- orig/Embperl-3.0.0/epparse.c 2023-10-07 19:04:44.000000000
> +0100
> > +++ Embperl-3.0.0/epparse.c 2025-01-03 10:33:06.519275400 +0000
> > @@ -140,6 +140,7 @@
> > {
> > strncpy (r -> errdat1, "BuildTokenHash", sizeof (r ->
> > errdat1)) ;
> > sprintf (r -> errdat2, "%s => procinfo", pToken ->
> sText) ;
> > + free(pSortTokenHash);
> > return rcNotHashRef ;
> > }
> > if (strcmp (pKey, "embperl") == 0)
> > @@ -147,6 +148,7 @@
> > else if (strncmp (pKey, "embperl#", 8) == 0 && (n = atoi
> > (pKey+8)) > 0)
> > embperl_CompileInitItem (r, (HV *)(SvRV (pSVValue)),
> pToken
> > -> nNodeName, pToken -> nNodeType, n, ppCompilerInfo) ;
> > }
> > + free(pSortTokenHash);
> > }
> >
> > In the current release version pSortTokenHash is allocated but never
> freed.
> >
> > Michael Stevens
> > Senior Developer ▪︎ Dianomi
> > +44 207 802 5530 <+44%20207%20802%205530>
> > [email protected]
> > 84 Eccleston Square London, SW1V 1PX
> > www.dianomi.com
> >
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> --
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>
> DRM is THEFT - We are the STAKEHOLDERS - RI Safir 2002
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