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Date: Thu, 20 Aug 2020 20:15:04 -0700 From: Florian Fainelli <f.fainelli@...il.com> To: Markus Mayer <markus.mayer@...adcom.com>, Colin Ian King <colin.king@...onical.com>, Krzysztof Kozlowski <krzk@...nel.org> Cc: BCM Kernel Feedback <bcm-kernel-feedback-list@...adcom.com>, Linux ARM Kernel <linux-arm-kernel@...ts.infradead.org>, Linux Kernel <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] memory: brcmstb_dpfe: fix array index out of bounds On 8/20/2020 6:03 PM, Markus Mayer wrote: > We would overrun the error_text array if we hit a TIMEOUT condition, > because we were using the error code "ETIMEDOUT" (which is 110) as an > array index. > > We fix the problem by correcting the array index and by providing a > function to retrieve error messages rather than accessing the array > directly. The function includes a bounds check that prevents the array > from being overrun. > > Signed-off-by: Markus Mayer <mmayer@...adcom.com> Acked-by: Florian Fainelli <f.fainelli@...il.com> Fixes: 2f330caff577 ("memory: brcmstb: Add driver for DPFE") Reported-by: Colin Ian King <colin.king@...onical.com> (Colin, was there a specific coverity ID you wanted to use?) -- Florian
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