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Oleksij Rempel e052d05402 can: j1939: transport: j1939_xtp_rx_dat_one(): compare own packets to detect corruptions
Since the stack relays on receiving own packets, it was overwriting own
transmit buffer from received packets.

At least theoretically, the received echo buffer can be corrupt or
changed and the session partner can request to resend previous data. In
this case we will re-send bad data.

With this patch we will stop to overwrite own TX buffer and use it for
sanity checking.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/r/20200807105200.26441-6-o.rempel@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-08-14 12:38:47 +02:00
arch MIPS upates for v5.9 2020-08-06 10:54:07 -07:00
block for-5.9/block-merge-20200804 2020-08-05 11:12:34 -07:00
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crypto Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-08-05 20:13:21 -07:00
Documentation bpf, doc: Remove references to warning message when using bpf_trace_printk() 2020-08-07 18:44:56 +02:00
drivers net: ethernet: stmmac: Disable hardware multicast filter 2020-08-12 13:12:52 -07:00
fs Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-08-05 20:13:21 -07:00
include net: refactor bind_bucket fastreuse into helper 2020-08-11 15:49:08 -07:00
init It's been a busy cycle for documentation - hopefully the busiest for a 2020-08-04 22:47:54 -07:00
ipc mmap locking API: use coccinelle to convert mmap_sem rwsem call sites 2020-06-09 09:39:14 -07:00
kernel bpf: Delete repeated words in comments 2020-08-07 18:57:24 +02:00
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mm Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-08-05 20:13:21 -07:00
net can: j1939: transport: j1939_xtp_rx_dat_one(): compare own packets to detect corruptions 2020-08-14 12:38:47 +02:00
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sound Remove uninitialized_var() macro for v5.9-rc1 2020-08-04 13:49:43 -07:00
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usr usr: Add support for zstd compressed initramfs 2020-07-31 11:49:08 +02:00
virt entry: Provide infrastructure for work before transitioning to guest mode 2020-07-24 15:03:42 +02:00
.clang-format block: add bio_for_each_bvec_all() 2020-05-25 11:25:24 +02:00
.cocciconfig
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
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.gitignore .gitignore: Add ZSTD-compressed files 2020-07-31 11:50:49 +02:00
.mailmap It's been a busy cycle for documentation - hopefully the busiest for a 2020-08-04 22:47:54 -07:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS CREDITS: Replace HTTP links with HTTPS ones 2020-07-23 14:53:58 -06:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS nfp: update maintainer 2020-08-10 12:11:20 -07:00
Makefile Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-08-05 20:13:21 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.