Le 23/01/2020 à 13:31, Michael Ellerman a écrit :
Michael Ellerman writes:
Christophe Leroy writes:
Today, when a function like strncpy_from_user() is called,
the userspace access protection is de-activated and re-activated
for every word read.
By implementing user_access_begin and friend
Michael Ellerman writes:
> Christophe Leroy writes:
>> Today, when a function like strncpy_from_user() is called,
>> the userspace access protection is de-activated and re-activated
>> for every word read.
>>
>> By implementing user_access_begin and friends, the protection
>> is de-activated at t
Christophe Leroy writes:
> Today, when a function like strncpy_from_user() is called,
> the userspace access protection is de-activated and re-activated
> for every word read.
>
> By implementing user_access_begin and friends, the protection
> is de-activated at the beginning of the copy and re-ac
Today, when a function like strncpy_from_user() is called,
the userspace access protection is de-activated and re-activated
for every word read.
By implementing user_access_begin and friends, the protection
is de-activated at the beginning of the copy and re-activated at the
end.
Implement user_a
