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Filename Latest commit message Latest commit date
Bryan O'Donoghue a7d00597e0 usb: gadget: f_ncm: Use atomic_t to track in-flight request
commit 5b24c28cfe136597dc3913e1c00b119307a20c7e upstream.

Currently ncm->notify_req is used to flag when a request is in-flight.
ncm->notify_req is set to NULL and when a request completes it is
subsequently reset.

This is fundamentally buggy in that the unbind logic of the NCM driver will
unconditionally free ncm->notify_req leading to a NULL pointer dereference.

Fixes: 40d133d7f5 ("usb: gadget: f_ncm: convert to new function interface with backward compatibility")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-02-11 04:35:10 -08:00
arch sparc32: fix struct ipc64_perm type definition 2020-02-11 04:35:03 -08:00
block
certs
crypto
Documentation
drivers usb: gadget: f_ncm: Use atomic_t to track in-flight request 2020-02-11 04:35:10 -08:00
fs
include
init
ipc ipc/msg.c: consolidate all xxxctl_down() functions 2020-02-11 04:35:07 -08:00
kernel rcu: Use READ_ONCE() for ->expmask in rcu_read_unlock_special() 2020-02-11 04:35:08 -08:00
lib
LICENSES
mm
net netfilter: ipset: fix suspicious RCU usage in find_set_and_id 2020-02-11 04:35:07 -08:00
samples
scripts
security
sound
tools objtool: Silence build output 2020-02-11 04:35:10 -08:00
usr
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.cocciconfig
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MAINTAINERS MAINTAINERS: correct entries for ISDN/mISDN section 2020-02-11 04:35:06 -08:00
Makefile Linux 5.4.18 2020-02-05 21:22:53 +00:00
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.