Re: Call for testing: OpenSSH 7.2

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On Wed, 17 Feb 2016, Damien Miller wrote:

On Tue, 16 Feb 2016, Hisashi T Fujinaka wrote:

On Wed, 17 Feb 2016, Damien Miller wrote:

Core was generated by `test_sshkey'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x000000000041273e in cert_parse (key=0x7f7ff7b120c0,
certbuf=0x7f7ff7b16200, b=0x7f7ff7b161b0) at sshkey.c:1896
1896                    key->cert->principals[key->cert->nprincipals++] =
principal;

Could you do a "print *key->cert" to see what is going wrong here?

(gdb) print *key->cert
$1 = {certblob = 0x7f7ff7b162a0, type = 2, serial = 5, key_id = 0x7f7ff7b18090
"julius", nprincipals = 1,
  principals = 0xfffffffff7b180a0, valid_after = 915145200, valid_before =
1293836400, critical = 0x7f7ff7b162f0,
  extensions = 0x7f7ff7b16340, signature_key = 0x0}

Thanks, but nothing appears wrong there. How about
"print key->cert->principals[0]" - though I'm not sure how it could get
to this point without reallocarray() returning a bad pointer.

Yeah:

(gdb) print key->cert->principals[0]
Cannot access memory at address 0xfffffffff7b180a0

--
Hisashi T Fujinaka - htodd@xxxxxxxxxxxx
BSEE + BSChem + BAEnglish + MSCS + $2.50 = coffee
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