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2658f94d67
apply_vma_lock_flags() calls mlock_fixup(), which could merge the VMA
after where the vma iterator is located. Although this is not an issue,
the next iteration of the loop will check the start of the vma to be equal
to the locally saved 'tmp' variable and cause an incorrect failure
scenario. Fix the error by setting tmp to the end of the vma iterator
value before restarting the loop.
There is also a potential of the error code being overwritten when the
loop terminates early. Fix the return issue by directly returning when an
error is encountered since there is nothing to undo after the loop.
Link: https://lkml.kernel.org/r/20230711175020.4091336-1-Liam.Howlett@oracle.com
Fixes:
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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.