[GHC] #15634: GHCi: Segmentation fault Data.List.sum large number

GHC ghc-devs at haskell.org
Wed Sep 12 18:35:25 UTC 2018


#15634: GHCi: Segmentation fault Data.List.sum large number
-------------------------------------+-------------------------------------
        Reporter:  ksallberg         |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  Research
                                     |  needed
       Component:  GHCi              |              Version:  8.0.1
      Resolution:                    |             Keywords:  segfault
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Description changed by ksallberg:

Old description:

> Hello, first bug report here, so please let me know what I should
> provide. I tried to search for this but didn't find it.
>
> {{{
> kristian at snabbadatorn:~$ ghci
> GHCi, version 8.0.1: http://www.haskell.org/ghc/  :? for help
> Prelude> [1..100]
> [1,2,3,4,5,6,7,8,9,10,11,12... and so on
> Prelude> sum [1..10000000]
> 50000005000000
> Prelude> sum [1..100000000]
> Segmentation fault
> }}}
>
> Machine: Google compute engine, n1-highcpu-8 (8 vCPUs, 7.2 GB memory),
>
> uname -r: 4.9.0-8-amd64
>
> {{{
> kristian at snabbadatorn:~$ lsb_release -a
> No LSB modules are available.
> Distributor ID: Debian
> Description:    Debian GNU/Linux 9.5 (stretch)
> Release:        9.5
> Codename:       stretch
> }}}

New description:

 Hello, first bug report here, so please let me know what I should provide.
 I tried to search for this but didn't find it.

 {{{
 kristian at snabbadatorn:~$ ghci
 GHCi, version 8.0.1: http://www.haskell.org/ghc/  :? for help
 Prelude> [1..100]
 [1,2,3,4,5,6,7,8,9,10,11,12... and so on
 Prelude> sum [1..10000000]
 50000005000000
 Prelude> sum [1..100000000]
 Segmentation fault
 }}}

 Machine: Google compute engine, n1-highcpu-8 (8 vCPUs, 7.2 GB memory),

 uname -r: 4.9.0-8-amd64

 {{{
 kristian at snabbadatorn:~$ lsb_release -a
 No LSB modules are available.
 Distributor ID: Debian
 Description:    Debian GNU/Linux 9.5 (stretch)
 Release:        9.5
 Codename:       stretch
 }}}

 {{{
 kristian at snabbadatorn:~$ ghci --version
 The Glorious Glasgow Haskell Compilation System, version 8.0.1
 }}}

--

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15634#comment:2>
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