[ruby-dev:47959] [Backport93 - Backport #9485] [Closed] Fix segfault at unpacking modified String
From:
usa@...
Date:
2014-02-05 04:43:58 UTC
List:
ruby-dev #47959
Issue #9485 has been updated by Usaku NAKAMURA.
Status changed from Assigned to Closed
% Done changed from 0 to 100
Applied in changeset r44830.
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merge revision(s) 44803: [Backport #9485]
* 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.
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Backport #9485: Fix segfault at unpacking modified String
https://bugs.ruby-lang.org/issues/9485#change-44968
* Author: Nobuyoshi Nakada
* Status: Closed
* Priority: Normal
* Assignee: Usaku NAKAMURA
* Category:
* Target version:
* ruby -v: 1.9.3p511
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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。
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