From: aruprakshit@...
Date: 2015-02-27T12:46:27+00:00
Subject: [ruby-core:68338] [Ruby trunk - Bug #10913] Enum#each_slice is crashing with Bignum as an argument

Issue #10913 has been updated by arup rakshit.


    [shreyas@so (master)]$ rvm list
    
    rvm rubies
    
    => ruby-2.0.0-p598 [ x86_64 ]
       ruby-2.1.0 [ x86_64 ]
     * ruby-2.1.2 [ x86_64 ]
       ruby-2.1.4 [ x86_64 ]
       ruby-2.1.5 [ x86_64 ]
       ruby-2.2.0 [ x86_64 ]
    
    # => - current
    # =* - current && default
    #  * - default
    
    [shreyas@so (master)]$ rvm use 2.0.0
    Using /Users/shreyas/.rvm/gems/ruby-2.0.0-p598
    [shreyas@so (master)]$ irb
    cannot load such file -- interactive_editor
    2.0.0-p598 :001 > [1,2,3].each_slice(50000000000000000).to_a
    irb(47601,0x7fff73abb180) malloc: *** mmap(size=400000000000000000) failed (error code=12)
    *** error: can't allocate region
    *** set a breakpoint in malloc_error_break to debug
    irb(47601,0x7fff73abb180) malloc: *** mmap(size=400000000000000000) failed (error code=12)
    *** error: can't allocate region
    *** set a breakpoint in malloc_error_break to debug
    NoMemoryError: failed to allocate memory
    	from (irb):1:in `each_slice'
    	from (irb):1:in `each'
    	from (irb):1:in `to_a'
    	from (irb):1
    	from /Users/shreyas/.rvm/rubies/ruby-2.0.0-p598/bin/irb:12:in `<main>'
    2.0.0-p598 :002 > exit
    [shreyas@so (master)]$ rvm use 2.1.5
    Using /Users/shreyas/.rvm/gems/ruby-2.1.5
    [shreyas@so (master)]$ irb
    cannot load such file -- interactive_editor
    2.1.5 :001 > [1,2,3].each_slice(50000000000000000).to_a
    irb(47687,0x7fff73abb180) malloc: *** mmap(size=400000000000000000) failed (error code=12)
    *** error: can't allocate region
    *** set a breakpoint in malloc_error_break to debug
    irb(47687,0x7fff73abb180) malloc: *** mmap(size=400000000000000000) failed (error code=12)
    *** error: can't allocate region
    *** set a breakpoint in malloc_error_break to debug
    NoMemoryError: failed to allocate memory
    	from (irb):1:in `each_slice'
    	from (irb):1:in `each'
    	from (irb):1:in `to_a'
    	from (irb):1
    	from /Users/shreyas/.rvm/rubies/ruby-2.1.5/bin/irb:11:in `<main>'
    2.1.5 :002 > exit
    [shreyas@so (master)]$ rvm use 2.2.0
    Using /Users/shreyas/.rvm/gems/ruby-2.2.0
    [shreyas@so (master)]$ irb
    cannot load such file -- interactive_editor
    2.2.0 :001 > [1,2,3].each_slice(50000000000000000).to_a
    irb(47773,0x7fff73abb180) malloc: *** mmap(size=400000000000000000) failed (error code=12)
    *** error: can't allocate region
    *** set a breakpoint in malloc_error_break to debug
    irb(47773,0x7fff73abb180) malloc: *** mmap(size=400000000000000000) failed (error code=12)
    *** error: can't allocate region
    *** set a breakpoint in malloc_error_break to debug
    NoMemoryError: failed to allocate memory
    	from (irb):1:in `each_slice'
    	from (irb):1:in `each'
    	from (irb):1:in `to_a'
    	from (irb):1
    	from /Users/shreyas/.rvm/rubies/ruby-2.2.0/bin/irb:11:in `<main>'
    2.2.0 :002 >

----------------------------------------
Bug #10913: Enum#each_slice is crashing with Bignum as an argument
https://bugs.ruby-lang.org/issues/10913#change-51685

* Author: arup rakshit
* Status: Open
* Priority: Normal
* Assignee: 
* ruby -v: ruby 2.1.2p95 (2014-05-08 revision 45877) [x86_64-darwin12.0]
* Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN
----------------------------------------
[shreyas@~ (master)]$ rvm use 2.1.2
Using /Users/shreyas/.rvm/gems/ruby-2.1.2
[shreyas@~ (master)]$ pry
`[1] pry(main)> [1,2,3].each_slice(50000000000000000).to_a
pry(948,0x7fff73abb180) malloc: *** mmap(size=400000000000000000) failed (error code=12)
*** error: can't allocate region
*** set a breakpoint in malloc_error_break to debug
pry(948,0x7fff73abb180) malloc: *** mmap(size=400000000000000000) failed (error code=12)
*** error: can't allocate region
*** set a breakpoint in malloc_error_break to debug
NoMemoryError: failed to allocate memory
from (pry):1:in `each_slice'
[2] pry(main)>`



-- 
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