On 7/29/20 6:52 AM, Kirill A. Shutemov wrote:
> On Mon, Jul 27, 2020 at 10:11:25AM -0700, Anthony Yznaga wrote:
>> A vma with the VM_EXEC_KEEP flag is preserved across exec. For anonymous
>> vmas only. For safety, overlap with fixed address VMAs created in the new
>> mm during exec (e.g. the
On Mon, Jul 27, 2020 at 10:11:25AM -0700, Anthony Yznaga wrote:
> A vma with the VM_EXEC_KEEP flag is preserved across exec. For anonymous
> vmas only. For safety, overlap with fixed address VMAs created in the new
> mm during exec (e.g. the stack and elf load segments) is not permitted and
>
On 7/28/20 6:38 AM, ebied...@xmission.com wrote:
> Anthony Yznaga writes:
>
>> A vma with the VM_EXEC_KEEP flag is preserved across exec. For anonymous
>> vmas only. For safety, overlap with fixed address VMAs created in the new
>> mm during exec (e.g. the stack and elf load segments) is not
Anthony Yznaga writes:
> A vma with the VM_EXEC_KEEP flag is preserved across exec. For anonymous
> vmas only. For safety, overlap with fixed address VMAs created in the new
> mm during exec (e.g. the stack and elf load segments) is not permitted and
> will cause the exec to fail.
> (We are
A vma with the VM_EXEC_KEEP flag is preserved across exec. For anonymous
vmas only. For safety, overlap with fixed address VMAs created in the new
mm during exec (e.g. the stack and elf load segments) is not permitted and
will cause the exec to fail.
(We are studying how to guarantee there are
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