[ruby-dev:47969] [Backport200 - Backport #9484] [Closed] Fix segfault at unpacking modified String
From:
nagachika00@...
Date:
2014-02-16 15:54:59 UTC
List:
ruby-dev #47969
Issue #9484 has been updated by Tomoyuki Chikanaga.
Status changed from Assigned to Closed
% Done changed from 0 to 100
Applied in changeset r45005.
----------
merge revision(s) r44803: [Backport #9484]
* string.c (rb_str_modify_expand): enable capacity and disable
assocation with packed objects when setting capa, so that
pack("p") string fails to unpack properly after modified.
----------------------------------------
Backport #9484: Fix segfault at unpacking modified String
https://bugs.ruby-lang.org/issues/9484#change-45199
* Author: Nobuyoshi Nakada
* Status: Closed
* Priority: Normal
* Assignee: Tomoyuki Chikanaga
* Category:
* Target version:
* ruby -v: 2.0.0p394
----------------------------------------
trunkではr44803で修正済みですが、1.9.3以降2.1まで `([""].pack("p")<<"a").unpack("p")` でSEGVします。
1.9.2までは起きないようです。
--
http://bugs.ruby-lang.org/