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1b34743c31
In 'ocfs2_dx_dir_lookup_rec()', check whether an extent list length of the directory indexing block matches the one configured via the superblock parameters established at mount, thus preventing an out-of-bounds accesses while iterating over the extent records below. Link: https://lkml.kernel.org/r/20251007094626.196143-1-dmantipov@yandex.ru Reported-by: syzbot+30b53487d00b4f7f0922@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=30b53487d00b4f7f0922 Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru> Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com> Reviewed-by: Heming Zhao <heming.zhao@suse.com>> Cc: Mark Fasheh <mark@fasheh.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Cc: Changwei Ge <gechangwei@live.cn> Cc: Jun Piao <piaojun@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.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 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.