Ovidiu Panait c905bfe767 selftests/bpf: add selftest part of "bpf: improve verifier branch analysis"
Backport the missing selftest part of commit 7da6cd690c ("bpf: improve
verifier branch analysis") in order to fix the following test_verifier
failures:

...
Unexpected success to load!
0: (b7) r0 = 0
1: (75) if r0 s>= 0x0 goto pc+1
3: (95) exit
processed 3 insns (limit 131072), stack depth 0
Unexpected success to load!
0: (b7) r0 = 0
1: (75) if r0 s>= 0x0 goto pc+1
3: (95) exit
processed 3 insns (limit 131072), stack depth 0
...

The changesets apply with a minor context difference.

Fixes: 7da6cd690c ("bpf: improve verifier branch analysis")
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-06-03 08:38:06 +02:00
2021-05-26 11:48:31 +02:00
2021-05-26 11:48:36 +02:00

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.
See Documentation/00-INDEX for a list of what is contained in each file.

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.
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