Bart,
On Mon, Apr 23, 2018, at 6:45 AM, Bart Van Assche wrote:
> On 04/23/18 00:34, Keith Mendoza wrote:
> > Even with the -std=c89 flag the issue is still present. I was able to
> > replicate the issue with the following code:
> >
> > === BEGIN C CODE ===
> > #include <stdio.h>
> > #define OPENSSL_NO_SHA512
> > #include <openssl/evp.h>
> >
> > const EVP_MD *getType()
> > {
> > const EVP_MD *ret;
> > ret = (const EVP_MD *)EVP_sha512();
> >
> > return ret;
> > }
> >
> > int main()
> > {
> > EVP_MD_CTX ctx;
> > const EVP_MD *type = NULL;
> > int retVal = 0;
> >
> > OpenSSL_add_all_digests();
> >
> > type = getType();
> > if(!EVP_DigestInit(&ctx, type))
> > {
> > fprintf(stderr, "Failed to init digest\n");
> > retVal = 1;
> > goto drop;
> > }
> > else
> > printf("Digest initialized\n");
> >
> > drop:
> > EVP_cleanup();
> > return 0;
> > }
> > === END C CODE ===
> >
> > Note the #define right before #include <openssl/evp.h>. The darwin*.h files
> > that I mention earlier are only referenced in INCLUDESUBDIRHEADERS variable
> > in net-snmp/Makefile.in file. However, after removing those from the list
> > and running autoreconf, the warning about EVP_sha512 being undeclared--and
> > the crash--are all still occurring. The only think I can think of at this
> > point is some header that has #define OPENSSL_NO_SHA512 is in play
> > somewhere.
> >
> > Hope this helps narrow things down.
>
> Thanks Keith, that helps a lot. Based on this feedback I checked in a
> new patch on the v5.7 and master branches. With that patch applied all
> tests pass on Travis for Darwin except the full MIB walk.
I can confirm that T024snmpv3getSHA512_simple now passes for me too. I updated
bug 2853 accordingly.
However, in addition to the full MIB walk, test T071com2sec6_simple is also
still failing. I know this is not related to the Darwin crash; just want to
make sure I provide the complete picture that I'm seeing.
>
> Bart.
--
Thanks,
Keith (pantherse)
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