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nfsd_inet[6]addr_event uses nn->nfsd_serv without taking nfsd_mutex, which can be changed during execution of notifiers and crash the host. Moreover if notifiers were enabled in one net namespace they are enabled in all other net namespaces, from creation until destruction. This patch allows notifiers to access nn->nfsd_serv only after the pointer is correctly initialized and delays cleanup until notifiers are no longer in use. Signed-off-by: Vasily Averin <vvs@virtuozzo.com> Tested-by: Scott Mayhew <smayhew@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com> |
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| README | ||
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.