[ruby-core:75823] [Ruby trunk Bug#12195][Feedback] [BUG] probable buffer overflow: 4010 for 2005 (CFUNC :read)

From: shibata.hiroshi@...
Date: 2016-06-01 13:42:04 UTC
List: ruby-core #75823
Issue #12195 has been updated by Hiroshi SHIBATA.

Status changed from Open to Feedback

Please try with Ruby 2.3.1

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Bug #12195: [BUG] probable buffer overflow: 4010 for 2005 (CFUNC  :read)
https://bugs.ruby-lang.org/issues/12195#change-59004

* Author: James Watson
* Status: Feedback
* Priority: Normal
* Assignee: 
* ruby -v: ruby 2.3.0p0 (2015-12-25 revision 53290) [x86_64-linux]
* Backport: 2.1: UNKNOWN, 2.2: UNKNOWN, 2.3: UNKNOWN
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This causes ruby to shutdown:
[[https://github.com/minad/mimemagic/blob/master/lib/mimemagic.rb#L112]]
recursive read and seek on a file for a table of regexps.
It's a gem for mime type detection.

The code is running in a rails Sidekiq worker. 
It's a delayed job to detect uploaded file type.
The file is stored in a distributed fs CF.

---Files--------------------------------
crash.log (211 KB)


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