On Thu, Jun 18, 2026 at 02:30:17PM +0800, HAN Ruidong via B4 Relay wrote: > From: HAN Ruidong <[email protected]> > > [ Upstream commit e4ef723d8975a2694cc90733a6b888a5e2841842 ] > > Clear the font buffer if the reallocation during console rotation fails > in fbcon_rotate_font(). The putcs implementations for the rotated buffer > will return early in this case. See [1] for an example. > > Currently, fbcon_rotate_font() keeps the old buffer, which is too small > for the rotated font. Printing to the rotated console with a high-enough > character code will overflow the font buffer. > > v2: > - fix typos in commit message > > Signed-off-by: Thomas Zimmermann <[email protected]> > Fixes: 6cc50e1c5b57 ("[PATCH] fbcon: Console Rotation - Add support to rotate > font bitmap") > Cc: [email protected] # v2.6.15+ > Link: > https://elixir.bootlin.com/linux/v6.19/source/drivers/video/fbdev/core/fbcon_ccw.c#L144 > # [1] > Signed-off-by: Helge Deller <[email protected]> > [ renamed `par` to `ops` to match the v5.15 local pointer name ] > Signed-off-by: HAN Ruidong <[email protected]> > --- > drivers/video/fbdev/core/fbcon_rotate.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-)
What stable tree(s) is this for? thanks, greg k-h
