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SubjectRe: [PATCH v2] Introduce v3 namespaced file capabilities

"Serge E. Hallyn" <serge@hallyn.com> writes:

[snip]
> A patch to linux-test-project adding a new set of tests for this
> functionality is in the nsfscaps branch at github.com/hallyn/ltp
>
> Changelog:
> Nov 02 2016: fix invalid check at refuse_fcap_overwrite()
> Nov 07 2016: convert rootid from and to fs user_ns
> (From ebiederm: mar 28 2017)
> commoncap.c: fix typos - s/v4/v3
> get_vfs_caps_from_disk: clarify the fs_ns root access check
> nsfscaps: change the code split for cap_inode_setxattr()
> Apr 09 2017:
> don't return v3 cap for caps owned by current root.
> return a v2 cap for a true v2 cap in non-init ns
> Apr 18 2017:
> . Change the flow of fscap writing to support s_user_ns writing.
> . Remove refuse_fcap_overwrite(). The value of the previous
> xattr doesn't matter.
> Apr 24 2017:
> . incorporate Eric's incremental diff
> . move cap_convert_nscap to setxattr and simplify its usage
> ---
> fs/xattr.c | 6 +
> include/linux/capability.h | 3 +-
> include/linux/security.h | 2 +
> include/uapi/linux/capability.h | 22 +++-
> security/commoncap.c | 269 +++++++++++++++++++++++++++++++++++++---
> 5 files changed, 279 insertions(+), 23 deletions(-)
>

Grrr. No Signed-off-by: again.

Eric

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