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[ Upstream commit8ca34a13f7] Syzbot reported warning in netlbl_cipsov4_add(). The problem was in too big doi_def->map.std->lvl.local_size passed to kcalloc(). Since this value comes from userpace there is no need to warn if value is not correct. The same problem may occur with other kcalloc() calls in this function, so, I've added __GFP_NOWARN flag to all kcalloc() calls there. Reported-and-tested-by: syzbot+cdd51ee2e6b0b2e18c0d@syzkaller.appspotmail.com Fixes:96cb8e3313("[NetLabel]: CIPSOv4 and Unlabeled packet integration") Acked-by: Paul Moore <paul@paul-moore.com> Signed-off-by: Pavel Skripkin <paskripkin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
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.