Re: sshd crashes

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yes, the problem was with the  HAVE_STRNDUP flag in  config.h.
it is working now.
thank you.

Regards
Shivakumar

On Mon, Feb 17, 2020 at 2:16 PM Darren Tucker <dtucker@xxxxxxxxxxx> wrote:

> On Mon, 17 Feb 2020 at 17:17, shiva kumar <shivakumar2696@xxxxxxxxx>
> wrote:
> > sshd crashes at below location.
> > After compilation, when I start sshd it crashes in “sshbuf-misc.c” file
> > inside “sshbuf_b64tod” function at line size_t plen = strlen(b64);
> >
> > The call trace is as below,
> > Sshd main function -> sshkey_load_public -> sshkey_try_load_public ->
> > sshkey_read -> sshbuf_b64tod
> >
> > During compilation a warning is thrown. Is this the trigger point for the
> > crash?
> > "sshkey.c", : warning #2223-D: function "strndup" declared implicitly
> >         if ((blobcopy = strndup(cp, space)) == NULL)
>
> It's possible.  It'll be implicitly declared to return an int and if
> that's a different size to your char * the return value will be
> truncated.
>
> What platform is this?  Does it have a native strndup (ie is
> HAVE_STRNDUP defined in config.h)?  If so, which header file is
> strndup defined in?
>
> --
> Darren Tucker (dtucker at dtucker.net)
> GPG key 11EAA6FA / A86E 3E07 5B19 5880 E860  37F4 9357 ECEF 11EA A6FA (new)
>     Good judgement comes with experience. Unfortunately, the experience
> usually comes from bad judgement.
>


-- 
*With Best Regards*
*Shivakumar S*
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