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Ilya Leoshkevich 3ec2a0ed3f selftests/bpf: fix endianness issues in test_sysctl
A lot of test_sysctl sub-tests fail due to handling strings as a bunch
of immediate values in a little-endian-specific manner.

Fix by wrapping all immediates in bpf_ntohl and the new bpf_be64_to_cpu.

fixup_sysctl_value() dynamically writes an immediate, and thus should be
endianness-aware.  Implement this by simply memcpy()ing the raw
user-provided value, since testcase endianness and bpf program
endianness match.

Fixes: 1f5fa9ab6e ("selftests/bpf: Test BPF_CGROUP_SYSCTL")
Fixes: 9a1027e525 ("selftests/bpf: Test file_pos field in bpf_sysctl ctx")
Fixes: 6041c67f28 ("selftests/bpf: Test bpf_sysctl_get_name helper")
Fixes: 11ff34f74e ("selftests/bpf: Test sysctl_get_current_value helper")
Fixes: 786047dd08 ("selftests/bpf: Test bpf_sysctl_{get,set}_new_value helpers")
Fixes: 8549ddc832 ("selftests/bpf: Test bpf_strtol and bpf_strtoul helpers")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-09-03 21:01:52 +02:00
arch arm64: bpf: optimize modulo operation 2019-09-03 15:44:40 +02:00
block
certs
crypto
Documentation doc/af_xdp: include unaligned chunk case 2019-08-31 01:08:27 +02:00
drivers net/mlx5e: Allow XSK frames smaller than a page 2019-08-31 01:08:26 +02:00
fs
include xsk: add support to allow unaligned chunk placement 2019-08-31 01:08:26 +02:00
init
ipc
kernel bpf: introduce verifier internal test flag 2019-08-28 00:30:11 +02:00
lib
LICENSES
mm
net xsk: add support to allow unaligned chunk placement 2019-08-31 01:08:26 +02:00
samples samples/bpf: use hugepages in xdpsock app 2019-08-31 01:08:27 +02:00
scripts
security
sound
tools selftests/bpf: fix endianness issues in test_sysctl 2019-09-03 21:01:52 +02:00
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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.