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Shifeng Li 0f5de95fa2 net/mlx5e: Fix slab-out-of-bounds in mlx5_query_nic_vport_mac_list()
[ Upstream commit ddb38ddff9c71026bad481b791a94d446ee37603 ]

Out_sz that the size of out buffer is calculated using query_nic_vport
_context_in structure when driver query the MAC list. However query_nic
_vport_context_in structure is smaller than query_nic_vport_context_out.
When allowed_list_size is greater than 96, calling ether_addr_copy() will
trigger an slab-out-of-bounds.

[ 1170.055866] BUG: KASAN: slab-out-of-bounds in mlx5_query_nic_vport_mac_list+0x481/0x4d0 [mlx5_core]
[ 1170.055869] Read of size 4 at addr ffff88bdbc57d912 by task kworker/u128:1/461
[ 1170.055870]
[ 1170.055932] Workqueue: mlx5_esw_wq esw_vport_change_handler [mlx5_core]
[ 1170.055936] Call Trace:
[ 1170.055949]  dump_stack+0x8b/0xbb
[ 1170.055958]  print_address_description+0x6a/0x270
[ 1170.055961]  kasan_report+0x179/0x2c0
[ 1170.056061]  mlx5_query_nic_vport_mac_list+0x481/0x4d0 [mlx5_core]
[ 1170.056162]  esw_update_vport_addr_list+0x2c5/0xcd0 [mlx5_core]
[ 1170.056257]  esw_vport_change_handle_locked+0xd08/0x1a20 [mlx5_core]
[ 1170.056377]  esw_vport_change_handler+0x6b/0x90 [mlx5_core]
[ 1170.056381]  process_one_work+0x65f/0x12d0
[ 1170.056383]  worker_thread+0x87/0xb50
[ 1170.056390]  kthread+0x2e9/0x3a0
[ 1170.056394]  ret_from_fork+0x1f/0x40

Fixes: e16aea2744 ("net/mlx5: Introduce access functions to modify/query vport mac lists")
Cc: Ding Hui <dinghui@sangfor.com.cn>
Signed-off-by: Shifeng Li <lishifeng@sangfor.com.cn>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-01-01 12:38:55 +00:00
arch s390/vx: fix save/restore of fpu kernel context 2024-01-01 12:38:53 +00:00
block blk-cgroup: bypass blkcg_deactivate_policy after destroying 2023-12-20 17:00:21 +01:00
certs certs: Fix build error when PKCS#11 URI contains semicolon 2023-02-09 11:28:11 +01:00
crypto crypto: pcrypt - Fix hungtask for PADATA_RESET 2023-11-28 17:06:58 +00:00
Documentation tee: optee: Fix supplicant based device enumeration 2023-12-13 18:39:12 +01:00
drivers net/mlx5e: Fix slab-out-of-bounds in mlx5_query_nic_vport_mac_list() 2024-01-01 12:38:55 +00:00
fs smb: client: fix OOB in smb2_query_reparse_point() 2023-12-20 17:00:27 +01:00
include bpf: Fix prog_array_map_poke_run map poke update 2024-01-01 12:38:52 +00:00
init proc: sysctl: prevent aliased sysctls from getting passed to init 2023-11-28 17:07:08 +00:00
io_uring io_uring: fix mutex_unlock with unreferenced ctx 2023-12-13 18:39:18 +01:00
ipc ipc: fix memory leak in init_mqueue_fs() 2022-12-31 13:32:01 +01:00
kernel bpf: Fix prog_array_map_poke_run map poke update 2024-01-01 12:38:52 +00:00
lib zstd: Fix array-index-out-of-bounds UBSAN warning 2023-12-13 18:39:04 +01:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm kasan: disable kasan_non_canonical_hook() for HW tags 2024-01-01 12:38:52 +00:00
net wifi: mac80211: mesh_plink: fix matches_local logic 2024-01-01 12:38:54 +00:00
rust rust: allocator: Prevent mis-aligned allocation 2023-08-11 12:08:18 +02:00
samples fprobe: Pass entry_data to handlers 2023-10-25 12:03:12 +02:00
scripts sign-file: Fix incorrect return values check 2023-12-20 17:00:19 +01:00
security ima: detect changes to the backing overlay file 2023-11-28 17:07:12 +00:00
sound ALSA: hda/realtek: Apply mute LED quirk for HP15-db 2023-12-20 17:00:20 +01:00
tools selftests/bpf: fix bpf_loop_bench for new callback verification scheme 2023-12-20 17:00:23 +01:00
usr usr/gen_init_cpio.c: remove unnecessary -1 values from int file 2022-10-03 14:21:44 -07:00
virt kvm/vfio: ensure kvg instance stays around in kvm_vfio_group_add() 2023-09-13 09:42:46 +02:00
.clang-format inet: ping: use hlist_nulls rcu iterator during lookup 2022-12-01 12:42:46 +01:00
.cocciconfig
.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 dts files 2019-12-04 19:44:11 -08:00
.gitignore Kbuild: add Rust support 2022-09-28 09:02:20 +02:00
.mailmap 9 hotfixes. 6 for MM, 3 for other areas. Four of these patches address 2022-12-10 17:10:52 -08:00
.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: Remove Michal Marek from Kbuild maintainers 2022-11-16 14:53:00 +09:00
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 devlink: move code to a dedicated directory 2023-08-30 16:11:00 +02:00
Makefile Linux 6.1.69 2023-12-20 17:00:29 +01:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.

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.