From: Junichi Nomura Date: Mon, 9 Jan 2017 11:41:46 +0000 (+0100) Subject: x86/microcode/intel: Fix allocation size of struct ucode_patch X-Git-Tag: v4.14-rc1~1697^2~7 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9fcf5ba2ef908af916e9002891fbbca20ce4dc98;p=platform%2Fkernel%2Flinux-rpi3.git x86/microcode/intel: Fix allocation size of struct ucode_patch We allocate struct ucode_patch here. @size is the size of microcode data and used for kmemdup() later in this function. Fixes: 06b8534cb728 ("x86/microcode: Rework microcode loading") Signed-off-by: Jun'ichi Nomura Signed-off-by: Borislav Petkov Link: http://lkml.kernel.org/r/7a730dc9-ac17-35c4-fe76-dfc94e5ecd95@ce.jp.nec.com Signed-off-by: Thomas Gleixner --- diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c index faec8fa..9434865 100644 --- a/arch/x86/kernel/cpu/microcode/intel.c +++ b/arch/x86/kernel/cpu/microcode/intel.c @@ -150,7 +150,7 @@ static struct ucode_patch *__alloc_microcode_buf(void *data, unsigned int size) { struct ucode_patch *p; - p = kzalloc(size, GFP_KERNEL); + p = kzalloc(sizeof(struct ucode_patch), GFP_KERNEL); if (!p) return ERR_PTR(-ENOMEM);