在 星期一, 2020-12-07 19:24:10 Dominique Martinet 撰写
> Chengguang Xu wrote on Mon, Dec 07, 2020:
> > > , VM_MAYWRITE is set anytime we have a shared map where file has
> > > been opened read-write, which seems to be what you want with regards to
> > > protecting from mprotect calls.
Chengguang Xu wrote on Mon, Dec 07, 2020:
> > , VM_MAYWRITE is set anytime we have a shared map where file has
> > been opened read-write, which seems to be what you want with regards to
> > protecting from mprotect calls.
> >
> > How about simply changing check from WRITE to MAYWRITE?
>
> I
在 星期一, 2020-12-07 04:53:18 Dominique Martinet 撰写
> Dominique Martinet wrote on Sun, Dec 06, 2020:
> > Chengguang Xu wrote on Sat, Dec 05, 2020:
> > > If vma is shared and the file was opened for writing,
> > > we should also create writeback fid because vma may be
> > > mprotected
Dominique Martinet wrote on Sun, Dec 06, 2020:
> Chengguang Xu wrote on Sat, Dec 05, 2020:
> > If vma is shared and the file was opened for writing,
> > we should also create writeback fid because vma may be
> > mprotected writable even if now readonly.
>
> Hm, I guess it makes sense.
I had a sec
4 matches
Mail list logo
