From: zzak@...
Date: 2015-09-13T03:25:03+00:00
Subject: [ruby-core:70779] [Ruby trunk - Bug #10268] OpenSSL::PKey::EC::Point#mul causes a segmentation fault

Issue #10268 has been updated by Zachary Scott.

Assignee set to openssl

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Bug #10268: OpenSSL::PKey::EC::Point#mul causes a segmentation fault
https://bugs.ruby-lang.org/issues/10268#change-54160

* Author: Kazuki Tsujimoto
* Status: Open
* Priority: Normal
* Assignee: openssl
* ruby -v: ruby 2.2.0dev (2014-09-20 trunk 47651) [x86_64-linux]
* Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN
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Following code sometimes causes SEGV on Ubuntu 14.04 x86_64.
Backtrace log is attached.

~~~ruby
require 'openssl'

GC.stress = true

ec = OpenSSL::PKey::EC.new <<_end_of_pem_
-----BEGIN EC PRIVATE KEY-----
MHcCAQEEIID49FDqcf1O1eO8saTgG70UbXQw9Fqwseliit2aWhH1oAoGCCqGSM49
AwEHoUQDQgAEFglk2c+oVUIKQ64eZG9bhLNPWB7lSZ/ArK41eGy5wAzU/0G51Xtt
CeBUl+MahZtn9fO1JKdF4qJmS39dXnpENg==
-----END EC PRIVATE KEY-----
_end_of_pem_

p1 = ec.public_key
p1.mul([nil], [p1])
~~~


---Files--------------------------------
backtrace.log (1.92 KB)
dif_GetBNPtr.patch (360 Bytes)


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