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9e2e1a5abccd3a4cd331549399c6ff4008aa4bba
commit7eaecf7963upstream. syzbot reports just another NULL deref crash because of missing test for presence of the attribute. Reported-by: syzbot+cf23983d697c26c34f60@syzkaller.appspotmail.com Fixes:b96af92d6e("netfilter: nf_tables: implement Passive OS fingerprint module in nft_osf") Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.
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