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Linux kernel source tree
819aad967d
Kuniyuki Iwashima says:
====================
af_unix: Introduce SO_PASSRIGHTS.
As long as recvmsg() or recvmmsg() is used with cmsg, it is not
possible to avoid receiving file descriptors via SCM_RIGHTS.
This series introduces a new socket option, SO_PASSRIGHTS, to allow
disabling SCM_RIGHTS. The option is enabled by default.
See patch 8 for background/context.
This series is related to [0], but is split into a separate series,
as most of the patches are specific to af_unix.
The v2 of the BPF LSM extension part will be posted later, once
this series is merged into net-next and has landed in bpf-next.
[0]: https://lore.kernel.org/bpf/20250505215802.48449-1-kuniyu@amazon.com/
Changes:
v5:
* Patch 4
* Fix BPF selftest failure (setget_sockopt.c)
v4: https://lore.kernel.org/netdev/20250515224946.6931-1-kuniyu@amazon.com/
* Patch 6
* Group sk->sk_scm_XXX bits by struct
* Patch 9
* Remove errno handling
v3: https://lore.kernel.org/netdev/20250514165226.40410-1-kuniyu@amazon.com/
* Patch 3
* Remove inline in scm.c
* Patch 4 & 5 & 8
* Return -EOPNOTSUPP in getsockopt()
* Patch 5
* Add CONFIG_SECURITY_NETWORK check for SO_PASSSEC
* Patch 6
* Add kdoc for sk_scm_unused
* Update sk_scm_XXX under lock_sock() in setsockopt()
* Patch 7
* Update changelog (recent change ->
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| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
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| usr | ||
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| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.