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Colin Ian King 9109165625 s390/bpf: Perform r1 range checking before accessing jit->seen_reg[r1] 
Currently array jit->seen_reg[r1] is being accessed before the range
checking of index r1. The range changing on r1 should be performed
first since it will avoid any potential out-of-range accesses on the
array seen_reg[] and also it is more optimal to perform checks on r1
before fetching data from the array. Fix this by swapping the order
of the checks before the array access.

Fixes: 0546231057 ("s390/bpf: Add s390x eBPF JIT compiler backend")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Ilya Leoshkevich <iii@linux.ibm.com>
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://lore.kernel.org/bpf/20210715125712.24690-1-colin.king@canonical.com
2021-07-15 19:47:25 +02:00
arch s390/bpf: Perform r1 range checking before accessing jit->seen_reg[r1] 2021-07-15 19:47:25 +02:00
block
certs
crypto
Documentation doc, af_xdp: Fix bind flags option typo 2021-07-12 16:55:01 +02:00
drivers net: phy: marvell10g: fix differentiation of 88X3310 from 88X3340 2021-07-11 10:02:33 -07:00
fs
include net: phy: marvell10g: fix differentiation of 88X3310 from 88X3340 2021-07-11 10:02:33 -07:00
init
ipc
kernel bpf: Fix tail_call_reachable rejection for interpreter when jit failed 2021-07-13 08:19:13 -07:00
lib
LICENSES
mm
net xdp, net: Fix use-after-free in bpf_xdp_link_release 2021-07-13 08:22:31 -07:00
samples bpf, samples: Fix xdpsock with '-M' parameter missing unload process 2021-07-05 23:34:18 +02:00
scripts
security
sound
tools selftests: mptcp: fix case multiple subflows limited by server 2021-07-09 18:38:53 -07:00
usr
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MAINTAINERS MAINTAINERS: add entry for PTP virtual clock driver 2021-07-01 13:08:19 -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.