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Backport #9485

Fix segfault at unpacking modified String

Added by nobu (Nobuyoshi Nakada) over 6 years ago. Updated over 6 years ago.

Status:
Closed
Priority:
Normal
[ruby-dev:47952]

Description

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。


Related issues

Related to Backport21 - Backport #9478: Fix segfault at unpacking modified StringClosednaruse (Yui NARUSE)02/04/2014Actions

Updated by nobu (Nobuyoshi Nakada) over 6 years ago

  • Related to Backport #9478: Fix segfault at unpacking modified String added

Updated by usa (Usaku NAKAMURA) over 6 years ago

  • Status changed from Assigned to Closed
  • % Done changed from 0 to 100

Applied in changeset r44830.


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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