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commit12e5eef0f4upstream. A failing call to ib_device_set_netdev() during device creation caused system crash due to xa_destroy of uninitialized xarray hit by device deallocation. Fixed by moving xarray initialization before potential device deallocation. Fixes:bdcf26bf9b("rdma/siw: network and RDMA core interface") Link: https://lore.kernel.org/r/20200302155814.9896-1-bmt@zurich.ibm.com Reported-by: syzbot+2e80962bedd9559fe0b3@syzkaller.appspotmail.com Signed-off-by: Bernard Metzler <bmt@zurich.ibm.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> 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.