diff options
| author | Helge Deller <[email protected]> | 2022-07-30 20:50:18 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2022-08-30 14:30:52 +0200 |
| commit | 566f9c9f89337792070b5a6062dff448b3e7977f (patch) | |
| tree | 05de3a7d82e3c37b8e61336505a1516854754f28 /tools/testing/selftests/bpf/progs/test_autoload.c | |
| parent | b5a5b9d5f28d23b84f06b45c61dcad95b07d41bc (diff) | |
vt: Clear selection before changing the font
When changing the console font with ioctl(KDFONTOP) the new font size
can be bigger than the previous font. A previous selection may thus now
be outside of the new screen size and thus trigger out-of-bounds
accesses to graphics memory if the selection is removed in
vc_do_resize().
Prevent such out-of-memory accesses by dropping the selection before the
various con_font_set() console handlers are called.
Reported-by: [email protected]
Cc: stable <[email protected]>
Tested-by: Khalid Masum <[email protected]>
Signed-off-by: Helge Deller <[email protected]>
Link: https://lore.kernel.org/r/YuV9apZGNmGfjcor@p100
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_autoload.c')
0 files changed, 0 insertions, 0 deletions