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81f7567c51
vhci_hub_control() accesses port_status array with out of bounds port value. Fix it to reference port_status[] only with a valid rhport value when invalid_rhport flag is true. The invalid_rhport flag is set early on after detecting in port value is within the bounds or not. The following is used reproduce the problem and verify the fix: C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14ed8ab6400000 Reported-by: syzbot+bccc1fe10b70fadc78d0@syzkaller.appspotmail.com Cc: stable <stable@vger.kernel.org> Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org> 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.