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0d0f659bf7
syzbot is reporting too large allocation at wnd_init() [1], for a crafted filesystem can become wnd->nwnd close to UINT_MAX. Add __GFP_NOWARN in order to avoid too large allocation warning, than exhausting memory by using kvcalloc(). Link: https://syzkaller.appspot.com/bug?extid=fa4648a5446460b7b963 [1] Reported-by: syzot <syzbot+fa4648a5446460b7b963@syzkaller.appspotmail.com> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.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 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.