[PATCH 0/3] Fix bugs in *_set_par() caused by user input

From: Zheyu Ma
Date: Thu Aug 04 2022 - 08:41:51 EST


In the function *_set_par(), the value of 'screen_size' is
calculated by the user input. If the user provides the improper value,
the value of 'screen_size' may larger than 'info->screen_size', which
may cause a bug in the memset_io().

Zheyu Ma (3):
video: fbdev: vt8623fb: Check the size of screen before memset_io()
video: fbdev: arkfb: Check the size of screen before memset_io()
video: fbdev: s3fb: Check the size of screen before memset_io()

drivers/video/fbdev/arkfb.c | 2 ++
drivers/video/fbdev/s3fb.c | 2 ++
drivers/video/fbdev/vt8623fb.c | 2 ++
3 files changed, 6 insertions(+)

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2.25.1