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Arseniy Krasnov c84d28b322 mtd: rawnand: meson: initialize struct with zeroes 
[ Upstream commit 4ce341de6c ]

This structure must be zeroed, because it's field 'hw->core' is used as
'parent' in 'clk_core_fill_parent_index()', but it will be uninitialized.
This happens, because when this struct is not zeroed, pointer 'hw' is
"initialized" by garbage, which is valid pointer, but points to some
garbage. So 'hw' will be dereferenced, but 'core' contains some random
data which will be interpreted as a pointer. The following backtrace is
result of dereference of such pointer:

[    1.081319]  __clk_register+0x414/0x820
[    1.085113]  devm_clk_register+0x64/0xd0
[    1.088995]  meson_nfc_probe+0x258/0x6ec
[    1.092875]  platform_probe+0x70/0xf0
[    1.096498]  really_probe+0xc8/0x3e0
[    1.100034]  __driver_probe_device+0x84/0x190
[    1.104346]  driver_probe_device+0x44/0x120
[    1.108487]  __driver_attach+0xb4/0x220
[    1.112282]  bus_for_each_dev+0x78/0xd0
[    1.116077]  driver_attach+0x2c/0x40
[    1.119613]  bus_add_driver+0x184/0x240
[    1.123408]  driver_register+0x80/0x140
[    1.127203]  __platform_driver_register+0x30/0x40
[    1.131860]  meson_nfc_driver_init+0x24/0x30

Fixes: 1e4d3ba668 ("mtd: rawnand: meson: fix the clock")
Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20230227102425.793841-1-AVKrasnov@sberdevices.ru
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2023-04-06 12:10:42 +02:00
arch x86/PVH: obtain VGA console info in Dom0 2023-04-06 12:10:39 +02:00
block block: do not reverse request order when flushing plug list 2023-03-22 13:33:46 +01:00
certs certs: Fix build error when PKCS#11 URI contains semicolon 2023-02-09 11:28:11 +01:00
crypto crypto: rsa-pkcs1pad - Use akcipher_request_complete 2023-03-10 09:33:03 +01:00
Documentation docs: Correct missing "d_" prefix for dentry_operations member d_weak_revalidate 2023-03-22 13:33:40 +01:00
drivers mtd: rawnand: meson: initialize struct with zeroes 2023-04-06 12:10:42 +02:00
fs btrfs: use temporary variable for space_info in btrfs_update_block_group 2023-04-06 12:10:42 +02:00
include x86/PVH: obtain VGA console info in Dom0 2023-04-06 12:10:39 +02:00
init gcc: disable -Warray-bounds for gcc-11 too 2023-01-14 10:33:43 +01:00
io_uring io_uring/rsrc: fix null-ptr-deref in io_file_bitmap_get() 2023-03-30 12:49:25 +02:00
ipc ipc: fix memory leak in init_mqueue_fs() 2022-12-31 13:32:01 +01:00
kernel tracing: Fix wrong return in kprobe_event_gen_test.c 2023-04-06 12:10:41 +02:00
lib zstd: Fix definition of assert() 2023-04-06 12:10:38 +02:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm mm/ksm: fix race with VMA iteration and mm_struct teardown 2023-03-30 12:49:29 +02:00
net net: hsr: Don't log netdev_err message on unknown prp dst node 2023-04-06 12:10:39 +02:00
rust rust: print: avoid evaluating arguments in pr_* macros in unsafe blocks 2023-02-06 08:06:34 +01:00
samples ftrace: Export ftrace_free_filter() to modules 2023-02-01 08:34:37 +01:00
scripts kconfig: Update config changed flag before calling callback 2023-03-22 13:33:52 +01:00
security keys: Do not cache key in task struct if key is requested from kernel thread 2023-03-30 12:49:07 +02:00
sound ALSA: hda/ca0132: fixup buffer overrun at tuning_ctl_set() 2023-04-06 12:10:40 +02:00
tools tools/power turbostat: fix decoding of HWP_STATUS 2023-04-06 12:10:41 +02:00
usr usr/gen_init_cpio.c: remove unnecessary -1 values from int file 2022-10-03 14:21:44 -07:00
virt KVM: Register /dev/kvm as the _very_ last thing during initialization 2023-03-10 09:34:11 +01:00
.clang-format inet: ping: use hlist_nulls rcu iterator during lookup 2022-12-01 12:42:46 +01:00
.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 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 audit: update the mailing list in MAINTAINERS 2023-02-25 11:25:42 +01:00
Makefile Linux 6.1.22 2023-03-30 12:49:31 +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.