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Esben Haabendal c364df2489 net: ll_temac: Fix TX BD buffer overwrite
Just as the initial check, we need to ensure num_frag+1 buffers available,
as that is the number of buffers we are going to use.

This fixes a buffer overflow, which might be seen during heavy network
load. Complete lockup of TEMAC was reproducible within about 10 minutes of
a particular load.

Fixes: 84823ff80f ("net: ll_temac: Fix race condition causing TX hang")
Cc: stable@vger.kernel.org # v5.4+
Signed-off-by: Esben Haabendal <esben@geanix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-18 12:11:51 -07:00
arch
block
certs
crypto
Documentation
drivers net: ll_temac: Fix TX BD buffer overwrite 2021-06-18 12:11:51 -07:00
fs
include net/mlx5e: Don't create devices during unload flow 2021-06-16 15:36:47 -07:00
init
ipc
kernel
lib
LICENSES
mm
net net/af_unix: fix a data-race in unix_dgram_sendmsg / unix_release_sock 2021-06-16 12:51:55 -07:00
samples
scripts
security
sound
tools selftests: net: use bash to run udpgro_fwd test case 2021-06-16 12:56:10 -07:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS MAINTAINERS: add Guvenc as SMC maintainer 2021-06-18 12:05:52 -07:00
Makefile
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.