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commitb549c252b1upstream. Deleting dmabuf item's list head after releasing its container can lead to KASAN-reported issue: BUG: KASAN: use-after-free in __list_del_entry_valid+0x15/0xf0 Read of size 8 at addr ffff88818a4598a8 by task kworker/u8:3/13119 So fix this issue by puting deleting dmabuf_objs ahead of releasing its container. Fixes:dfb6ae4e14("drm/i915/gvt: Handle orphan dmabuf_objs") Signed-off-by: Tina Zhang <tina.zhang@intel.com> Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20200225053527.8336-2-tina.zhang@intel.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.
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.