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cde3b1b66f
For network objects, like interfaces, nodes, port and InfiniBands, the object to SID lookup is cached in hashtables. OOM during such hashtable additions of new objects is considered non-fatal and the computed SID is simply returned without adding the compute result into the hash table. Actually ignore OOM in the InfiniBand code, despite the comment already suggesting to do so. This reverts commitc350f8bea2("selinux: Fix error return code in sel_ib_pkey_sid_slow()"). Add comments in the other places. Use kmalloc() instead of kzalloc(), since all members are initialized on success and the data is only used in internbal hash tables, so no risk of information leakage to userspace. Fixes:c350f8bea2("selinux: Fix error return code in sel_ib_pkey_sid_slow()") Signed-off-by: Christian Göttsche <cgzones@googlemail.com> Signed-off-by: Paul Moore <paul@paul-moore.com>
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.