Re: [PATCH v4 0/7] arm64: untag user pointers passed to the kernel

From: Andrey Konovalov
Date: Fri Jun 29 2018 - 11:20:52 EST


On Fri, Jun 29, 2018 at 5:19 PM, Andrey Konovalov <andreyknvl@xxxxxxxxxx> wrote:
> a bunch of compat
> a bunch of ioctl that use ptr to stored ints
>
> ipc/shm.c:1355
> ipc/shm.c:1566
>
> mm/process_vm_access.c:178:20
> mm/process_vm_access.c:180:19
> substraction => harmless
>
> mm/process_vm_access.c:221:4
> ?
>
> mm/memory.c:4679:14
> should be __user pointer
>
> fs/fuse/file.c:1256:9
> ?
>
> kernel/kthread.c:73:9
> ?
>
> mm/migrate.c:1586:10
> mm/migrate.c:1660:24
>
> lib/iov_iter.c
> ???
>
> kernel/futex.c:502
> uses user addr as key
>
> kernel/futex.c:730
> gup, fixed
>
> lib/strncpy_from_user.c:110:13
> fixed?
>
> lib/strnlen_user.c:112
> fixed?
>
> fs/readdir.c:369
> ???

Started looking at the results and accidentally posted my notes.
Ignore this for now, will post when done.