linux-kernel - Re: (subset) [PATCH v3 0/3] nvmem: fix out-of-bounds reboot-mode write

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Message-Id: <173471330771.223296.13009549390429951707.b4-ty@linaro.org>
Date: Fri, 20 Dec 2024 16:48:27 +0000
From: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To: Sebastian Reichel <sre@...nel.org>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Maxime Ripard <mripard@...nel.org>, 
 Jennifer Berringer <jberring@...hat.com>
Cc: linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: (subset) [PATCH v3 0/3] nvmem: fix out-of-bounds reboot-mode
 write


On Mon, 04 Nov 2024 10:23:09 -0500, Jennifer Berringer wrote:
> These patches fix a small out-of-bounds write when using the
> nvmem-reboot-mode driver on Qualcomm SA8775P, such as by executing
> "reboot bootloader" in a shell. Relevant error log:
> 
>   BUG: KASAN: slab-out-of-bounds in nvmem_cell_prepare_write_buffer+0x144/0x47c
>   Write of size 4 at addr ffff19dd8e1a37a0 by task systemd-shutdow/1
>   Hardware name: Qualcomm SA8775P Ride (DT)
>   Call trace:
>   nvmem_cell_prepare_write_buffer
>   nvmem_cell_write
>   nvmem_reboot_mode_write
>   The buggy address is located 0 bytes inside of
>    allocated 1-byte region
> 
> [...]

Applied, thanks!

[1/3] nvmem: core: improve range check for nvmem_cell_write()
      commit: 27a3485271ed3e81dec1e51460dc671dae387a2a

Best regards,
-- 
Srinivas Kandagatla <srinivas.kandagatla@...aro.org>