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| author | ChiYuan Huang <cy_huang@richtek.com> | 2022-09-29 05:00:17 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-04 13:29:01 +0300 |
| commit | e9d055b8dfcac3c7c9e90328582ffda7179581f1 (patch) | |
| tree | 075c5daed8afe4b53b9eb45b436861f71fe663d2 /drivers/mfd/ab8500-sysctrl.c | |
| parent | 784a4f995ee24460aa72e00b085612fad57ebce5 (diff) | |
| download | linux-e9d055b8dfcac3c7c9e90328582ffda7179581f1.tar.xz | |
mfd: mt6360: Add bounds checking in Regmap read/write call-backs
commit 5f4f94e9f26cca6514474b307b59348b8485e711 upstream.
Fix the potential risk of OOB read if bank index is over the maximum.
Refer to the discussion list for the experiment result on mt6370.
https://lore.kernel.org/all/20220914013345.GA5802@cyhuang-hp-elitebook-840-g3.rt/
If not to check the bound, there is the same issue on mt6360.
Cc: stable@vger.kernel.org
Fixes: 3b0850440a06c (mfd: mt6360: Merge different sub-devices I2C read/write)
Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/1664416817-31590-1-git-send-email-u0084500@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/mfd/ab8500-sysctrl.c')
0 files changed, 0 insertions, 0 deletions