Messages in this thread | | | From | Alan Cox <> | Subject | Re: Ok, making ready for pre-2.4 and code-freeze..yd | Date | Wed, 15 Dec 1999 07:53:43 -0500 (EST) |
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> On Tue, 14 Dec 1999 21:04:01 -0500 (EST), > Alan Cox <alan@redhat.com> wrote: > >Anyuser can crash the code due to module races (eg open) > > Details please and I'll fix it.
rdtsc open /dev/somefile [loads module] close it rdtsc compute unload time at unload time open it again
After enough goes the machine calls the open method of the driver as the driver is unloaded. The MOD_INC_USE_COUNT in foo_open is too late to stop disaster
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