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Filename Latest commit message Latest commit date
Dan Carpenter ce5355f140 net: dsa: fix a crash if ->get_sset_count() fails
commit a269333fa5c0c8e53c92b5a28a6076a28cde3e83 upstream.

If ds->ops->get_sset_count() fails then it "count" is a negative error
code such as -EOPNOTSUPP.  Because "i" is an unsigned int, the negative
error code is type promoted to a very high value and the loop will
corrupt memory until the system crashes.

Fix this by checking for error codes and changing the type of "i" to
just int.

Fixes: badf3ada60 ("net: dsa: Provide CPU port statistics to master netdev")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-06-03 08:59:07 +02:00
arch
block
certs
crypto
Documentation Documentation: seccomp: Fix user notification documentation 2021-06-03 08:59:03 +02:00
drivers net: dsa: mt7530: fix VLAN traffic leaks 2021-06-03 08:59:07 +02:00
fs NFSv4: Fix v4.0/v4.1 SEEK_DATA return -ENOTSUPP when set NFS_V4_2 config 2021-06-03 08:59:06 +02:00
include mac80211: properly handle A-MSDUs that start with an RFC 1042 header 2021-06-03 08:59:01 +02:00
init
ipc
kernel
lib
LICENSES
mm
net net: dsa: fix a crash if ->get_sset_count() fails 2021-06-03 08:59:07 +02:00
samples
scripts
security
sound ALSA: usb-audio: scarlett2: Improve driver startup messages 2021-06-03 08:59:00 +02:00
tools selftests/gpio: Fix build when source tree is read only 2021-06-03 08:59:03 +02:00
usr
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.get_maintainer.ignore
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Makefile Linux 5.4.123 2021-05-28 13:10:27 +02:00
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.