Le 31/01/2021 à 07:19, Vincent Fazio a écrit :
> From: Vincent Fazio
>
> Previously, pgd_find_hole_fallback assumed that if the build host's libc
> had MAP_FIXED_NOREPLACE defined that the address returned by mmap would
> match the requested address. This is not a safe assumption for Linux
> kern
On 2/15/21 3:52 AM, Alex Bennée wrote:
Vincent Fazio writes:
Ahh right so I think this is a case of binaries being built on a
different platform than kernel they are running on. In which case the
flag would be defined but the underlying kernel fails to identify it. Is
this a container lik
Vincent Fazio writes:
> On Sun, Feb 14, 2021 at 6:50 AM Laurent Vivier wrote:
>>
>> Le 14/02/2021 à 12:24, Alex Bennée a écrit :
>> >
>> > Vincent Fazio writes:
>> >
>> >> From: Vincent Fazio
>> >>
>> >> Previously, pgd_find_hole_fallback assumed that if the build host's libc
>> >> had MAP_F
On Sun, Feb 14, 2021 at 6:50 AM Laurent Vivier wrote:
>
> Le 14/02/2021 à 12:24, Alex Bennée a écrit :
> >
> > Vincent Fazio writes:
> >
> >> From: Vincent Fazio
> >>
> >> Previously, pgd_find_hole_fallback assumed that if the build host's libc
> >> had MAP_FIXED_NOREPLACE defined that the addre
Le 14/02/2021 à 12:24, Alex Bennée a écrit :
>
> Vincent Fazio writes:
>
>> From: Vincent Fazio
>>
>> Previously, pgd_find_hole_fallback assumed that if the build host's libc
>> had MAP_FIXED_NOREPLACE defined that the address returned by mmap would
>> match the requested address. This is not a
Vincent Fazio writes:
> From: Vincent Fazio
>
> Previously, pgd_find_hole_fallback assumed that if the build host's libc
> had MAP_FIXED_NOREPLACE defined that the address returned by mmap would
> match the requested address. This is not a safe assumption for Linux
> kernels prior to 4.17
It
Le 31/01/2021 à 07:19, Vincent Fazio a écrit :
> From: Vincent Fazio
>
> Previously, pgd_find_hole_fallback assumed that if the build host's libc
> had MAP_FIXED_NOREPLACE defined that the address returned by mmap would
> match the requested address. This is not a safe assumption for Linux
> kern
From: Vincent Fazio
Previously, pgd_find_hole_fallback assumed that if the build host's libc
had MAP_FIXED_NOREPLACE defined that the address returned by mmap would
match the requested address. This is not a safe assumption for Linux
kernels prior to 4.17
Now, we always compare mmap's resultant
