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Re: CVS commit: src/sys/sys
On Thu, Jan 29, 2009 at 09:05:50PM +0000, Matthias Drochner wrote:
> Module Name: src
> Committed By: drochner
> Date: Thu Jan 29 21:05:50 UTC 2009
> Modified Files:
> src/sys/sys: types.h
> Log Message:
> Revert change of rlim_t to an unsigned quad_t which crept in in the
> time_t merge. This has bad effects on comparisions in the kernel
> leading to processes randomly killed for RLIMIT_CPU violation.
> (There are situations where the CPU time used can drop below 0, if
> the time is changed by ntp. This is certainly not good but this is
> a minor issue we obviously could live with and which is not related
> to the time_t size change.)
I remember seeing a number of comparisons against rlim_t that were modified
with the time_t diff. They looked to be handling signed/unsigned issues.
Those also need to be restored otherwise we may have a security issue.
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