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qemu/s390x-add-have_virtio_ccw.patch
Bruce Rogers 86ffd40d11 Accepting request 882222 from home:bfrogers:branches:Virtualization
- Switch method of splitting off hw-s390x-virtio-gpu-ccw.so as a
  module to what was accepted upstream (bsc#1181103)
* Patches dropped:
  hw-s390x-modularize-virtio-gpu-ccw.patch
* Patches added:
  s390x-add-have_virtio_ccw.patch
  s390x-modularize-virtio-gpu-ccw.patch
  s390x-move-S390_ADAPTER_SUPPRESSIBLE.patch
- Fix OOB access in sdhci interface (CVE-2020-17380, bsc#1175144,
  CVE-2020-25085, bsc#1176681, CVE-2021-3409, bsc#1182282)
  hw-sd-sd-Actually-perform-the-erase-oper.patch
  hw-sd-sd-Fix-build-error-when-DEBUG_SD-i.patch
  hw-sd-sdhci-Correctly-set-the-controller.patch
  hw-sd-sdhci-Don-t-transfer-any-data-when.patch
  hw-sd-sdhci-Don-t-write-to-SDHC_SYSAD-re.patch
  hw-sd-sdhci-Limit-block-size-only-when-S.patch
  hw-sd-sdhci-Reset-the-data-pointer-of-s-.patch
  hw-sd-sd-Move-the-sd_block_-read-write-a.patch
  hw-sd-sd-Skip-write-protect-groups-check.patch
- Fix potential privilege escalation in virtiofsd tool
  (CVE-2021-20263, bsc#1183373)
  tools-virtiofsd-Replace-the-word-whiteli.patch
  viriofsd-Add-support-for-FUSE_HANDLE_KIL.patch
  virtiofsd-extract-lo_do_open-from-lo_ope.patch
  virtiofsd-optionally-return-inode-pointe.patch
  virtiofsd-prevent-opening-of-special-fil.patch
  virtiofs-drop-remapped-security.capabili.patch
  virtiofsd-Save-error-code-early-at-the-f.patch
- Fix OOB access (stack overflow) in rtl8139 NIC emulation
  (CVE-2021-3416, bsc#1182968)
  net-introduce-qemu_receive_packet.patch
  rtl8139-switch-to-use-qemu_receive_packe.patch
- Fix OOB access (stack overflow) in other NIC emulations
  (CVE-2021-3416)
  cadence_gem-switch-to-use-qemu_receive_p.patch
  dp8393x-switch-to-use-qemu_receive_packe.patch
  e1000-switch-to-use-qemu_receive_packet-.patch
  lan9118-switch-to-use-qemu_receive_packe.patch
  msf2-mac-switch-to-use-qemu_receive_pack.patch
  pcnet-switch-to-use-qemu_receive_packet-.patch
  sungem-switch-to-use-qemu_receive_packet.patch
  tx_pkt-switch-to-use-qemu_receive_packet.patch
- Fix heap overflow in MSIx emulation (CVE-2020-27821, bsc#1179686)
  memory-clamp-cached-translation-in-case-.patch
- Include upstream patches designated as stable material and
  reviewed for applicability to include here
  hw-arm-virt-Disable-pl011-clock-migratio.patch
  xen-block-Fix-removal-of-backend-instanc.patch
- Fix package scripts to not use hard coded paths for temporary
  working directories and log files (bsc#1182425)

OBS-URL: https://build.opensuse.org/request/show/882222
OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=632
2021-03-30 20:27:28 +00:00

51 lines
1.7 KiB
Diff

From: Gerd Hoffmann <kraxel@redhat.com>
Date: Wed, 17 Mar 2021 10:56:21 +0100
Subject: s390x: add have_virtio_ccw
Git-commit: 2dd9d8cfb4f3bd30d9cdfc2edba5cb7ee5917f4b
References: bsc#1181103
Introduce a symbol which can be used to prevent ccw modules
being loaded into system emulators without ccw support.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
Tested-by: Halil Pasic <pasic@linux.ibm.com>
Message-Id: <20210317095622.2839895-3-kraxel@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Bruce Rogers <brogers@suse.com>
---
hw/s390x/virtio-ccw.c | 2 ++
hw/s390x/virtio-ccw.h | 5 +++++
2 files changed, 7 insertions(+)
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index 4582e94ae7dc4d75117ffc201047..82ec2889b0c7ce64bb96b9c67212 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -35,6 +35,8 @@
#define NR_CLASSIC_INDICATOR_BITS 64
+bool have_virtio_ccw = true;
+
static int virtio_ccw_dev_post_load(void *opaque, int version_id)
{
VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(opaque);
diff --git a/hw/s390x/virtio-ccw.h b/hw/s390x/virtio-ccw.h
index 49a2b8ca42df799f1815f8af32d1..0168232e3b8db1da2a91dfd157db 100644
--- a/hw/s390x/virtio-ccw.h
+++ b/hw/s390x/virtio-ccw.h
@@ -63,6 +63,11 @@ typedef struct VirtioBusClass VirtioCcwBusClass;
DECLARE_OBJ_CHECKERS(VirtioCcwBusState, VirtioCcwBusClass,
VIRTIO_CCW_BUS, TYPE_VIRTIO_CCW_BUS)
+/*
+ * modules can reference this symbol to avoid being loaded
+ * into system emulators without ccw support
+ */
+extern bool have_virtio_ccw;
struct VirtIOCCWDeviceClass {
CCWDeviceClass parent_class;