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(parent: a188339) | patch
x86/ima: Check EFI_RUNTIME_SERVICES before using
authorScott Wood <swood@redhat.com>
Tue, 23 Apr 2019 22:48:07 +0000 (17:48 -0500)
committerMimi Zohar <zohar@linux.ibm.com>
Mon, 20 May 2019 00:27:12 +0000 (20:27 -0400)
commit558b523d46289f111d53d7c42211069063be5985
tree5c00e16c30f325b0da8d00106318403ad1cb5a15tree | snapshot
parenta188339ca5a396acc588e5851ed7e19f66b0ebd9commit | diff
x86/ima: Check EFI_RUNTIME_SERVICES before using

Checking efi_enabled(EFI_BOOT) is not sufficient to ensure that
EFI runtime services are available, e.g. if efi=noruntime is used.

Without this, I get an oops on a PREEMPT_RT kernel where efi=noruntime is
the default.

Fixes: 399574c64eaf94e8 ("x86/ima: retry detecting secure boot mode")
Cc: stable@vger.kernel.org (linux-5.0)
Signed-off-by: Scott Wood <swood@redhat.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
arch/x86/kernel/ima_arch.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git