gpg-agent from gnupg-2.0.17 crashes when trying to add ECDSA key

[Werner Koch]

On Sat, 18 Jun 2011 11:40, n-roeser at gmx.net said:

> The bug is triggered in gnupg-2.0.17/agent/command-ssh.c, line 1410,
> which says ‘xfree (comment);’.

Arghh, this function is indeed buggy.  We are freeing a constant.
I better review the whole file.

> A quick look at the ssh_key_types structure in command-ssh.c (lines 218
> ff.) suggests that gpg-agent does not yet support ECDSA keys; is that
> right? Nevertheless, it should not crash, but rather return some kind of

Right.  Agreed.

Thanks,

  Werner

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