On Wed, 18 Dec 2024 20:34:58 +0100, Ahmad Fatoum wrote: > The nvmem interface supports variable buffer sizes, while the regmap > interface operates with fixed-size storage. If an nvmem client uses a > buffer size less than 4 bytes, regmap_read will write out of bounds > as it expects the buffer to point at an unsigned int. > > Fix this by using an intermediary unsigned int to hold the value. > > [...] Applied, thanks! [1/1] rtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read https://git.kernel.org/abelloni/c/3ab8c5ed4f84 Best regards, -- Alexandre Belloni, co-owner and COO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com