diff options
Diffstat (limited to 'meta/recipes-devtools/qemu/qemu/10-xen-pt-add-a-few-PCI-config-space-field-descriptions-CVE-2015-4106.patch')
| -rw-r--r-- | meta/recipes-devtools/qemu/qemu/10-xen-pt-add-a-few-PCI-config-space-field-descriptions-CVE-2015-4106.patch | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/meta/recipes-devtools/qemu/qemu/10-xen-pt-add-a-few-PCI-config-space-field-descriptions-CVE-2015-4106.patch b/meta/recipes-devtools/qemu/qemu/10-xen-pt-add-a-few-PCI-config-space-field-descriptions-CVE-2015-4106.patch new file mode 100644 index 0000000..f30b40a --- /dev/null +++ b/meta/recipes-devtools/qemu/qemu/10-xen-pt-add-a-few-PCI-config-space-field-descriptions-CVE-2015-4106.patch @@ -0,0 +1,77 @@ +Upstream-Status: Backport + +Signed-off-by: Kai Kang <kai.kang@windriver.com> + +From a88a3f887181605f4487a22bdfb7d87ffafde5d9 Mon Sep 17 00:00:00 2001 +From: Jan Beulich <jbeulich@suse.com> +Date: Tue, 2 Jun 2015 15:07:01 +0000 +Subject: xen/pt: add a few PCI config space field descriptions +Bug-Debian: http://bugs.debian.org/787547 + +Since the next patch will turn all not explicitly described fields +read-only by default, those fields that have guest writable bits need +to be given explicit descriptors. + +This is a preparatory patch for XSA-131. + +Signed-off-by: Jan Beulich <jbeulich@suse.com> +--- + hw/xen/xen_pt_config_init.c | 28 ++++++++++++++++++++++++++++ + 1 file changed, 28 insertions(+) + +diff --git a/hw/xen/xen_pt_config_init.c b/hw/xen/xen_pt_config_init.c +index efd8bac..19f926b 100644 +--- a/hw/xen/xen_pt_config_init.c ++++ b/hw/xen/xen_pt_config_init.c +@@ -754,6 +754,15 @@ static XenPTRegInfo xen_pt_emu_reg_vpd[] = { + .u.b.write = xen_pt_byte_reg_write, + }, + { ++ .offset = PCI_VPD_ADDR, ++ .size = 2, ++ .ro_mask = 0x0003, ++ .emu_mask = 0x0003, ++ .init = xen_pt_common_reg_init, ++ .u.w.read = xen_pt_word_reg_read, ++ .u.w.write = xen_pt_word_reg_write, ++ }, ++ { + .size = 0, + }, + }; +@@ -889,6 +898,16 @@ static XenPTRegInfo xen_pt_emu_reg_pcie[] = { + .u.w.read = xen_pt_word_reg_read, + .u.w.write = xen_pt_word_reg_write, + }, ++ /* Device Status reg */ ++ { ++ .offset = PCI_EXP_DEVSTA, ++ .size = 2, ++ .res_mask = 0xFFC0, ++ .ro_mask = 0x0030, ++ .init = xen_pt_common_reg_init, ++ .u.w.read = xen_pt_word_reg_read, ++ .u.w.write = xen_pt_word_reg_write, ++ }, + /* Link Control reg */ + { + .offset = PCI_EXP_LNKCTL, +@@ -900,6 +919,15 @@ static XenPTRegInfo xen_pt_emu_reg_pcie[] = { + .u.w.read = xen_pt_word_reg_read, + .u.w.write = xen_pt_word_reg_write, + }, ++ /* Link Status reg */ ++ { ++ .offset = PCI_EXP_LNKSTA, ++ .size = 2, ++ .ro_mask = 0x3FFF, ++ .init = xen_pt_common_reg_init, ++ .u.w.read = xen_pt_word_reg_read, ++ .u.w.write = xen_pt_word_reg_write, ++ }, + /* Device Control 2 reg */ + { + .offset = 0x28, +-- +2.1.4 + |
