Messages in this thread | | | Date | Thu, 11 Sep 2003 14:51:09 +1000 | From | Nick Piggin <> | Subject | Re: Local DoS on single_open? |
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Keith Owens wrote:
>single_open() requires the kernel to kmalloc a buffer which lives until >the userspace caller closes the file. What prevents a malicious user >opening the same /proc entry multiple times, allocating lots of kmalloc >space and causing a local DoS? > >
ulimit?
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