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Filename Latest commit message Latest commit date
Zeng Tao 70a9c0352e usb: core: fix slab-out-of-bounds Read in read_descriptors 
commit a18cd6c9b6bc73dc17e8b7e9bd07decaa8833c97 upstream.

The USB device descriptor may get changed between two consecutive
enumerations on the same device for some reason, such as DFU or
malicius device.
In that case, we may access the changing descriptor if we don't take
the device lock here.

The issue is reported:
https://syzkaller.appspot.com/bug?id=901a0d9e6519ef8dc7acab25344bd287dd3c7be9

Cc: stable <stable@vger.kernel.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Reported-by: syzbot+256e56ddde8b8957eabd@syzkaller.appspotmail.com
Fixes: 217a9081d8 ("USB: add all configs to the "descriptors" attribute")
Signed-off-by: Zeng Tao <prime.zeng@hisilicon.com>
Link: https://lore.kernel.org/r/1599201467-11000-1-git-send-email-prime.zeng@hisilicon.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-17 13:47:55 +02:00
arch ARM: dts: vfxxx: Add syscon compatible with OCOTP 2020-09-17 13:47:55 +02:00
block
certs
crypto
Documentation
drivers usb: core: fix slab-out-of-bounds Read in read_descriptors 2020-09-17 13:47:55 +02:00
fs debugfs: Fix module state check condition 2020-09-17 13:47:55 +02:00
include irqchip/eznps: Fix build error for !ARC700 builds 2020-09-17 13:47:47 +02:00
init
ipc
kernel gcov: Disable gcov build with GCC 10 2020-09-17 13:47:49 +02:00
lib kobject: Restore old behaviour of kobject_del(NULL) 2020-09-17 13:47:52 +02:00
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sound ALSA: hda: fix a runtime pm issue in SOF when integrated GPU is disabled 2020-09-17 13:47:49 +02:00
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virt KVM: fix memory leak in kvm_io_bus_unregister_dev() 2020-09-17 13:47:54 +02:00
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README 

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.