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e3eeacbac4
request_module may return a positive error result from modprobe, if we cast this to ERR_PTR this returns a garbage result (it passes IS_ERR checks). Fix it by ignoring modprobe return values entirely, just retry the table lookup instead. Reported-by: syzbot+980925dbfbc7f93bc2ef@syzkaller.appspotmail.com Fixes:03d13b6868("netfilter: xtables: add and use xt_request_find_table_lock") Fixes:20651cefd2("netfilter: x_tables: unbreak module auto loading") Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.