Hi Ivan,

yes, sure, push it 😊

Best regards
Christoph

> -----Original Message-----
> From: Ivan Gerasimov <ivan.gerasi...@oracle.com>
> Sent: Dienstag, 15. Januar 2019 20:53
> To: Baesken, Matthias <matthias.baes...@sap.com>; net-
> d...@openjdk.java.net; Langer, Christoph <christoph.lan...@sap.com>
> Subject: Re: RFR 8007606 : Handle realloc() failure in
> unix/native/libnet/net_util_md.c correctly
> 
> Hello!
> 
> Do you think it is good to go now?
> 
> With kind regards,
> 
> Ivan
> 
> 
> On 1/11/19 11:30 AM, Ivan Gerasimov wrote:
> > Good catch, thank you!
> >
> > Indeed, if we don't reset localifsSize then we could end up accessing
> > already freed memory, which is worse than just a memory leak.
> >
> > Here's the updated webrev:
> >
> > http://cr.openjdk.java.net/~igerasim/8007606/01/webrev/
> >
> > With kind regards,
> > Ivan
> >
> > On 1/11/19 4:43 AM, Baesken, Matthias wrote:
> >> Hi Ivan,
> >>
> >> Shouldn't you reset    localifsSize to 0   in case of  the early
> >> return ?  The comment says  localifsSize is the size of the array so
> >> the size of the array is 0 again after freeing.
> >>
> >>
> >> 637 static struct localinterface *localifs = 0;
> >>   638 static int localifsSize = 0;    /* size of array */
> >>   639 static int nifs = 0;            /* number of entries used in
> >> array */
> >>
> >>     ...
> >>
> >> 679             if (localifsTemp == 0) {
> >>   680                 free(localifs);
> >>   681                 localifs = 0;
> >>   682                 nifs = 0;
> >>   683                 fclose(f);
> >>   684                 return;
> >>   685             }
> >>
> >>
> >>
> >>
> >> Best regards, Matthias
> >>
> >>
> >>
> >>> Date: Thu, 10 Jan 2019 20:29:08 -0800
> >>> From: Ivan Gerasimov <ivan.gerasi...@oracle.com>
> >>> To: "net-dev@openjdk.java.net" <net-dev@openjdk.java.net>
> >>> Subject: RFR 8007606 : Handle realloc() failure in
> >>>     unix/native/libnet/net_util_md.c correctly
> >>> Message-ID: <3dc3c26b-fea7-2538-2c7a-bfa623f2f...@oracle.com>
> >>> Content-Type: text/plain; charset=utf-8; format=flowed
> >>>
> >>> Hello!
> >>>
> >>> This seems to be the last use of realloc() without proper handling of a
> >>> failure.
> >>>
> >>> Would you please help review a trivial fix?
> >>>
> >>> BUGURL: https://bugs.openjdk.java.net/browse/JDK-8007606
> >>> WEBREV: http://cr.openjdk.java.net/~igerasim/8007606/00/webrev/
> >>>
> >>> Thanks in advance!
> >>>
> >>> --
> >>> With kind regards,
> >>> Ivan Gerasimov
> >>>
> >>>
> >>
> >
> 
> --
> With kind regards,
> Ivan Gerasimov

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