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Re: memory hog script crashes bash with segfault
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From: |
Chet Ramey |
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Subject: |
Re: memory hog script crashes bash with segfault |
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Date: |
Fri, 11 Sep 2015 08:52:55 -0400 |
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User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 |
On 9/11/15 2:19 AM, Konstantin Khlebnikov wrote:
> $ ./bash -c ":(){ : $@$@;};: :"
> Segmentation fault
This is not a memory allocation problem. You have defined an infinitely
recursive function that, when executed, eventually exceeds your stack size
resource limit. When that happens, the kernel sends a SIGSEGV.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU chet@case.edu http://cnswww.cns.cwru.edu/~chet/