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SubjectRe: Top kernel oopses/warnings for the week of May 30th 2008
James Morris wrote:
> On Fri, 30 May 2008, Arjan van de Ven wrote:
>> Rank 4: task_has_capability (warning)
>> Reported 181 times (202 total reports)
>> [out of tree] Bug in the proprietary firegl driver
>> warning only shows up in tainted kernels
>> This warning was last seen in version, and first seen in
>> 2.6.25.
>> More info:
> This is a shining example of why people should avoid binary drivers. I'd
> guess that the bug is related to the new 64-bit capability code.
> It'd be really interesting to know what this driver is doing with
> capabilities in the first place.

it's easy; it's making the user root via the following function:

void ATI_API_CALL KCL_PosixSecurityCapSetEffectiveVector(KCL_TYPE_Cap cap)
capt_t(current->cap_effective) = cap;

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