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| Filename | Latest commit message | Latest commit date |
|---|---|---|
7ef6b3062f
With the old code, when a process with the (real,effective,saved) UID set (1,1,1) calls setresuid(2,3,4), safesetid_task_fix_setuid() only checks whether the transition 1->2 is permitted; the transitions 1->3 and 1->4 are not checked. Fix this. This is also a good opportunity to refactor safesetid_task_fix_setuid() to be less verbose - having one branch per set*uid() syscall is unnecessary. Note that this slightly changes semantics: The UID transition check for UIDs that were not in the old cred struct is now always performed against the policy of the RUID. I think that's more consistent anyway, since the RUID is also the one that decides whether any policy is enforced at all. Signed-off-by: Jann Horn <jannh@google.com> Signed-off-by: Micah Morton <mortonm@chromium.org> |
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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 Restructured Text 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.