[PATCH] UBUNTU: Only send SIGXFSZ when exceeding rlimits.

Micah Cowan micahcowan at ubuntu.com
Wed May 23 18:19:36 UTC 2007


Micah Cowan wrote:
> Ben Collins wrote:
>> On Sat, 2007-05-19 at 17:19 -0700, Micah Cowan wrote:
>>> Some users have been having problems with utilities like cp or dd
>>> dumping core when they try to copy a file that's too large for the
>>> destination filesystem (typically, > 4gb). Apparently, some defunct
>>> standards required SIGXFSZ to be sent in such circumstances, but SUS
>>> only requires/allows it for when a written file exceeds the process's
>>> resource limits. I'd like to limit SIGXFSZs to the bare minimum required
>>> by SUS; dumping core by default for a write failure is evil.
>>>
>>> Signed-off-by: Micah Cowan <micahcowan at ubuntu.com>
>> NACK.
>>
>> We appreciate the patch, however, patches like this that change behavior
>> related to standards like SUS, POSIX and similar, should be sent to
>> upstream kernel (and in this case, probably gnu-libc too) for
>> discussion.
> 
> Have done (last month). Not in yet (/just/ got around to submitting the
> patch); I'll let you know when a firm decision is made.
> 
> Brief discussion with Alan Cox is at
> http://groups.google.com/group/fa.linux.kernel/browse_thread/thread/5bee5c7f7405233e/b8e06b88a8520973

See here for upstream ACK by Alan Cox: http://lkml.org/lkml/2007/5/23/158

-- 
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer...
http://micah.cowan.name/

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