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Wang Hai 85102ba58b samples/bpf: Fix Segmentation fault for xdp_redirect command 
A Segmentation fault error is caused when the following command
is executed.

$ sudo ./samples/bpf/xdp_redirect lo
Segmentation fault

This command is missing a device <IFNAME|IFINDEX> as an argument, resulting
in out-of-bounds access from argv.

If the number of devices for the xdp_redirect parameter is not 2,
we should report an error and exit.

Fixes: 24251c2647 ("samples/bpf: add option for native and skb mode for redirect apps")
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210616042324.314832-1-wanghai38@huawei.com
2021-06-18 11:10:26 -07:00
arch s390/qeth: remove QAOB's pointer to its TX buffer 2021-06-11 12:49:15 -07:00
block
certs
crypto
Documentation Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2021-06-17 11:54:56 -07:00
drivers Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue 2021-06-17 12:11:28 -07:00
fs
include driver core: add a helper to setup both the of_node and fwnode of a device 2021-06-17 12:06:52 -07:00
init
ipc
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2021-06-17 11:54:56 -07:00
lib
LICENSES
mm
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2021-06-17 11:54:56 -07:00
samples samples/bpf: Fix Segmentation fault for xdp_redirect command 2021-06-18 11:10:26 -07:00
scripts
security
sound
tools selftests/bpf: Fix ringbuf test fetching map FD 2021-06-17 18:23:55 -07:00
usr
virt
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MAINTAINERS net: iosm: infrastructure 2021-06-13 13:49:39 -07:00
Makefile
README

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.