efi/libstub: Zero initialize heap allocated struct screen_info

Browse source

commit ee8b8f5d83 upstream.

After calling uefi interface allocate_pool to apply for memory, we
should clear 0 to prevent the possibility of using random values.

Signed-off-by: Qiang Ma <maqianga@uniontech.com>
Cc: <stable@vger.kernel.org> # v6.6+
Fixes: 732ea9db9d ("efi: libstub: Move screen_info handling to common code")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Qiang Ma 2024-07-17 15:00:43 +08:00 • committed by Greg Kroah-Hartman

parent ea4f779462

commit f17cbe5545

1 changed files with 2 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

drivers/firmware/efi/libstub/screen_info.c

View file