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Helge Deller 2afb553d68 fbcon: Fix boundary checks for fbcon=vc:n1-n2 parameters ... commit cad564ca557f8d3bb3b1fa965d9a2b3f6490ec69 upstream. The user may use the fbcon=vc:<n1>-<n2> option to tell fbcon to take over the given range (n1...n2) of consoles. The value for n1 and n2 needs to be a positive number and up to (MAX_NR_CONSOLES - 1). The given values were not fully checked against those boundaries yet. To fix the issue, convert first_fb_vc and last_fb_vc to unsigned integers and check them against the upper boundary, and make sure that first_fb_vc is smaller than last_fb_vc. Cc: stable@vger.kernel.org # v4.19+ Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Helge Deller <deller@gmx.de> Link: https://patchwork.freedesktop.org/patch/msgid/YpkYRMojilrtZIgM@p100 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2022-08-25 11:17:22 +02:00
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backlight	video: backlight: Drop maximum brightness override for brightness zero	2021-11-17 09:48:50 +01:00
console	vgacon: Propagate console boot parameters before calling `vc_resize'	2021-12-08 09:01:13 +01:00
fbdev	fbcon: Fix boundary checks for fbcon=vc:n1-n2 parameters	2022-08-25 11:17:22 +02:00
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display_timing.c
hdmi.c
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of_display_timing.c
of_videomode.c
vgastate.c
videomode.c