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Hariprasad Kelam b04872e15f octeontx2-af: Add validation before accessing cgx and lmac 
[ Upstream commit 79ebb53772 ]

with the addition of new MAC blocks like CN10K RPM and CN10KB
RPM_USX, LMACs are noncontiguous and CGX blocks are also
noncontiguous. But during RVU driver initialization, the driver
is assuming they are contiguous and trying to access
cgx or lmac with their id which is resulting in kernel panic.

This patch fixes the issue by adding proper checks.

[   23.219150] pc : cgx_lmac_read+0x38/0x70
[   23.219154] lr : rvu_program_channels+0x3f0/0x498
[   23.223852] sp : ffff000100d6fc80
[   23.227158] x29: ffff000100d6fc80 x28: ffff00010009f880 x27:
000000000000005a
[   23.234288] x26: ffff000102586768 x25: 0000000000002500 x24:
fffffffffff0f000

Fixes: 91c6945ea1 ("octeontx2-af: cn10k: Add RPM MAC support")
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2023-07-19 16:36:45 +02:00
arch KVM: s390/diag: fix racy access of physical cpu number in diag 9c handler 2023-07-19 16:36:38 +02:00
block blk-throttle: Fix io statistics for cgroup v1 2023-07-19 16:36:40 +02:00
certs KEYS: Add missing function documentation 2023-04-24 16:15:52 +03:00
crypto crypto: jitter - correct health test during initialization 2023-07-19 16:36:19 +02:00
Documentation f2fs: support errors=remount-ro|continue|panic mountoption 2023-07-19 16:36:35 +02:00
drivers octeontx2-af: Add validation before accessing cgx and lmac 2023-07-19 16:36:45 +02:00
fs f2fs: fix error path handling in truncate_dnode() 2023-07-19 16:36:45 +02:00
include Bluetooth: MGMT: Fix marking SCAN_RSP as not connectable 2023-07-19 16:36:44 +02:00
init kbuild: Fix CFI failures with GCOV 2023-07-19 16:36:23 +02:00
io_uring io_uring/net: use the correct msghdr union member in io_sendmsg_copy_hdr 2023-06-21 07:34:17 -06:00
ipc Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2023-02-24 19:20:07 -08:00
kernel kcsan: Don't expect 64 bits atomic builtins from 32 bits architectures 2023-07-19 16:36:13 +02:00
lib lib/bitmap: drop optimization of bitmap_{from,to}_arr64 2023-07-19 16:36:39 +02:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm splice: Fix filemap_splice_read() to use the correct inode 2023-07-19 16:35:07 +02:00
net Bluetooth: MGMT: Fix marking SCAN_RSP as not connectable 2023-07-19 16:36:44 +02:00
rust Rust changes for v6.4 2023-04-30 11:20:22 -07:00
samples samples/bpf: xdp1 and xdp2 reduce XDPBUFSIZE to 60 2023-07-19 16:35:25 +02:00
scripts kbuild: deb-pkg: remove the CONFIG_MODULES check in buildeb 2023-07-19 16:36:24 +02:00
security apparmor: fix: kzalloc perms tables for shared dfas 2023-07-19 16:36:21 +02:00
sound ALSA: pcm: Fix potential data race at PCM memory allocation helpers 2023-07-19 16:36:21 +02:00
tools tools/virtio: fix build break for aarch64 2023-07-19 16:36:41 +02:00
usr initramfs: Check negative timestamp to prevent broken cpio archive 2023-04-16 17:37:01 +09:00
virt KVM: Avoid illegal stage2 mapping on invalid memory slot 2023-06-22 15:14:57 -04:00
.clang-format cxl for v6.4 2023-04-30 11:51:51 -07:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for *.dtso files 2023-02-26 15:28:23 +09:00
.gitignore linux-kselftest-kunit-6.4-rc1 2023-04-24 12:31:32 -07:00
.mailmap mailmap: add entries for Ben Dooks 2023-06-19 13:19:35 -07:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: sctp: move Neil to CREDITS 2023-05-12 08:51:32 +01:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Networking fixes for 6.4-rc8, including fixes from ipsec, bpf, 2023-06-22 17:59:51 -07:00
Makefile Linux 6.4.3 2023-07-11 06:31:05 +02:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.