dashboard/config: add upstream-arm64-kasan_sw-kcov.config

The new config will enable KASAN_SW_TAGS and KCOV.
Also make sure KVM_SW_PROTECTED_VM is only enabled on x86_64.

dashboard/config/linux/bits/kasan_sw.yml

@@ -0,0 +1,6 @@
+# Copyright 2024 syzkaller project authors. All rights reserved.
+# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+config:
+ - KASAN
+ - KASAN_SW_TAGS

dashboard/config/linux/bits/subsystems.yml

@@ -70,7 +70,7 @@ config:
  - KVM_AMD: [x86_64]
  - KVM_XEN: [x86_64, v5.12]
  - KVM_PROVE_MMU: [x86_64, v6.6]
- - KVM_SW_PROTECTED_VM: [linux-next]
+ - KVM_SW_PROTECTED_VM: [x86_64, linux-next]
  - KVM_HYPERV: [x86_64, linux-next]
  # KMSAN disables HYPERVISOR_GUEST which is required to enable X86_X2APIC
  # which is required to enable this.

dashboard/config/linux/main.yml

@@ -12,6 +12,7 @@ instances:
  - upstream-leak:		[upstream, timeouts_native, x86_64, gcc, bpfjit, lsm, apparmor, nonoise, kmemleak]
  - upstream-usb:		[upstream, timeouts_native, x86_64, gcc, lsm, apparmor, onlyusb, kasan]
  - upstream-arm64-kasan:	[upstream, arm64, arm64_emu, timeouts_emu, clang, lsm, selinux, reduced, kasan, nokcov]
+ - upstream-arm64-kasan_sw-kcov: [linux-next, arm64, arm64_emu, timeouts_emu, clang, lsm, selinux, reduced, kasan_sw]
  - upstream-arm64-mte:		[upstream, arm64, arm64_emu, timeouts_emu, clang, bpfjit, lsm, smack, nonoise, reduced, kfence, mte, nokcov]
  # The full configs are used with syz-check to avoid no-such-struct warnings.
  - upstream-arm64-full:		[upstream, arm64, timeouts_native, clang, bpfjit, lsm, smack, kasan, kfence]
@@ -78,6 +79,7 @@ includes:
  - kmemleak.yml: [kmemleak]
  - kasan.yml: [kasan]
  - kasan_panic_on_write.yml: [kasan_panic_on_write]
+ - kasan_sw.yml: [kasan_sw]
  - mte.yml: [mte]
  - kcsan.yml: [kcsan]
  - kmsan.yml: [kmsan]