Re: [PATCH v3] drm: Fix potential overflow issue in event_string array

From: André Almeida
Date: Wed Apr 09 2025 - 00:06:27 EST


Em 08/04/2025 22:46, jiangfeng@xxxxxxxxxx escreveu:
From: Feng Jiang <jiangfeng@xxxxxxxxxx>

When calling scnprintf() to append recovery method to event_string,
the second argument should be `sizeof(event_string) - len`, otherwise
there is a potential overflow problem.

Fixes: b7cf9f4ac1b8 ("drm: Introduce device wedged event")
Signed-off-by: Feng Jiang <jiangfeng@xxxxxxxxxx>

Reviewed-by: André Almeida <andrealmeid@xxxxxxxxxx>