Re: [PATCH 0/5] uaccess/sockptr: copy_struct_ fixes and more helpers

[Christian Brauner]

On Tue, 07 Apr 2026 18:03:12 +0200, Stefan Metzmacher wrote:
> here are some patches related to
> copy_struct_{from,to}_{user,sockptr}()
> I collected during my work on an IPPROTO_SMBDIRECT
> implementation wrapping the smbdirect code used
> by cifs.ko and ksmbd.ko.
> 
> The first patch fixes copy_struct_to_user()
> to behave like documented.
> 
> [...]

Applied to the vfs-7.2.misc branch of the vfs/vfs.git tree.
Patches in the vfs-7.2.misc branch should appear in linux-next soon.

Please report any outstanding bugs that were missed during review in a
new review to the original patch series allowing us to drop it.

It's encouraged to provide Acked-bys and Reviewed-bys even though the
patch has now been applied. If possible patch trailers will be updated.

Note that commit hashes shown below are subject to change due to rebase,
trailer updates or similar. If in doubt, please check the listed branch.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
branch: vfs-7.2.misc

[1/5] uaccess: fix ignored_trailing logic in copy_struct_to_user()
      https://git.kernel.org/vfs/vfs/c/0a8d67b47a5c
[2/5] sockptr: fix usize check in copy_struct_from_sockptr() for user pointers
      https://git.kernel.org/vfs/vfs/c/e555ebefea0a
[3/5] uaccess: add copy_struct_{from,to}_bounce_buffer() helpers
      https://git.kernel.org/vfs/vfs/c/14e710721cd3
[4/5] sockptr: let copy_struct_from_sockptr() use copy_struct_from_bounce_buffer()
      https://git.kernel.org/vfs/vfs/c/62343ea38031
[5/5] sockptr: introduce copy_struct_to_sockptr()
      https://git.kernel.org/vfs/vfs/c/9899f22cc41d