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Gonglei 02ed3e7c16 virtio-crypto: zeroize the key material before free 
Common practice with sensitive information (key material, passwords,
etc). Prevents sensitive information from being exposed by accident later in
coredumps, memory disclosure bugs when heap memory is reused, etc.

Sensitive information is sometimes also held in mlocked pages to prevent
it being swapped to disk but that's not being done here.

Let's zeroize the memory of CryptoDevBackendSymOpInfo structure pointed
for key material security.

[Thanks to Stefan for help with crafting the commit message]

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
 		2017-01-10 07:02:52 +02:00
..
9pfs 9pfs: fix P9_NOTAG and P9_NOFID macros 2017-01-03 17:28:44 +01:00
acpi nvdimm acpi: introduce NVDIMM_DSM_MEMORY_SIZE 2016-11-15 17:20:37 +02:00
adc STM32F2xx: Add the ADC device 2016-10-04 13:28:07 +01:00
alpha Move target-* CPU file into a target/ folder 2016-12-20 21:52:12 +01:00
arm hw/arm/virt-acpi-build: Don't incorrectly claim architectural timer to be edge-triggered 2017-01-09 11:40:23 +00:00
audio i2c: Allow I2C devices to NAK start events 2017-01-09 11:40:20 +00:00
block virtio: convert to use DMA api 2017-01-10 05:56:58 +02:00
bt char: replace avail_connections 2016-10-24 15:46:10 +02:00
char virtio: convert to use DMA api 2017-01-10 05:56:58 +02:00
core loader: fix undefined behavior in rom_order_compare() 2016-11-30 04:22:18 +02:00
cpu cpu: Abstract CPU core type 2016-06-17 16:33:48 +10:00
cris cris: Fix broken header guard in hw/cris/boot.h 2016-07-12 16:20:46 +02:00
display i2c: Allow I2C devices to NAK start events 2017-01-09 11:40:20 +00:00
dma hw/dma/pl080: Fix bad bit mask (PL080_CONF_M1 | PL080_CONF_M1) 2016-10-17 19:22:17 +01:00
gpio i2c: Allow I2C devices to NAK start events 2017-01-09 11:40:20 +00:00
i2c i2c: Allow I2C devices to NAK start events 2017-01-09 11:40:20 +00:00
i386 acpi: add ATSR for q35 2017-01-10 05:56:59 +02:00
ide atapi: classify read_cd as conditionally returning data 2016-11-14 11:15:54 -05:00
input i2c: Allow I2C devices to NAK start events 2017-01-09 11:40:20 +00:00
intc hw/intc/arm_gicv3: Don't signal Pending+Active interrupts to CPU 2016-12-27 14:59:25 +00:00
ipack ipack: Update e-mail address 2016-05-18 15:04:27 +03:00
ipmi ipmi: fix qemu crash while migrating with ipmi 2016-11-18 17:50:09 +02:00
isa char: remove init callback 2016-10-24 15:27:20 +02:00
lm32 loader: fix handling of custom address spaces when adding ROM blobs 2016-11-30 04:20:57 +02:00
m68k m68k: change default system clock for m5208evb 2016-10-08 11:25:29 +03:00
mem pc: memhp: enable nvdimm device hotplug 2016-11-01 19:21:09 +02:00
microblaze clean-up: removed duplicate #includes 2016-10-28 18:17:24 +03:00
mips clean-up: removed duplicate #includes 2016-10-28 18:17:24 +03:00
misc i2c: Allow I2C devices to NAK start events 2017-01-09 11:40:20 +00:00
moxie hw: explicitly include qemu-common.h and cpu.h 2016-03-22 22:20:17 +01:00
net fsl_etsec: Fix Tx BD ring wrapping handling 2017-01-06 10:38:21 +08:00
nvram fw_cfg: move FW_CFG_NB_CPUS out of fw_cfg_init1() 2016-11-16 12:09:58 -02:00
openrisc hw: explicitly include qemu-common.h and cpu.h 2016-03-22 22:20:17 +01:00
pci virtio-pci: address space translation service (ATS) support 2017-01-10 05:56:59 +02:00
pci-bridge clean-up: removed duplicate #includes 2016-10-28 18:17:24 +03:00
pci-host ppc: Make uninorth interrupt swizzling identical to Grackle 2016-11-23 12:00:48 +11:00
pcmcia hw: Clean up includes 2016-01-29 15:07:25 +00:00
ppc Move target-* CPU file into a target/ folder 2016-12-20 21:52:12 +01:00
s390x virtio: avoid using guest_notifier_mask in vhost-user mode 2016-12-16 01:14:54 +02:00
scsi virtio: convert to use DMA api 2017-01-10 05:56:58 +02:00
sd vmstateify ssi-sd 2016-09-22 18:13:08 +01:00
sh4 Move target-* CPU file into a target/ folder 2016-12-20 21:52:12 +01:00
smbios smbios: fix uuid copy 2016-09-29 11:43:22 +08:00
sparc fw_cfg: move FW_CFG_NB_CPUS out of fw_cfg_init1() 2016-11-16 12:09:58 -02:00
sparc64 fw_cfg: move FW_CFG_NB_CPUS out of fw_cfg_init1() 2016-11-16 12:09:58 -02:00
ssi hw/ssi/imx_spi.c: Remove MSGDATA register support 2017-01-09 11:50:23 +00:00
timer i2c: Allow I2C devices to NAK start events 2017-01-09 11:40:20 +00:00
tpm clean-up: removed duplicate #includes 2016-10-28 18:17:24 +03:00
tricore tricore: remove useless cast 2016-09-15 15:32:22 +03:00
unicore32 clean-up: removed duplicate #includes 2016-10-28 18:17:24 +03:00
usb xen: attach pvusb usb bus to backend qdev 2016-11-22 10:29:41 -08:00
vfio vfio: Add support for mmapping sub-page MMIO BARs 2016-10-31 09:53:04 -06:00
virtio virtio-crypto: zeroize the key material before free 2017-01-10 07:02:52 +02:00
watchdog watchdog: 6300esb: add exit function 2016-12-22 16:00:23 +01:00
xen xen: create qdev for each backend device 2016-11-22 10:29:39 -08:00
xenpv xenpv: Fix qemu_uuid compiling error 2016-09-29 11:43:17 +08:00
xtensa char: remove init callback 2016-10-24 15:27:20 +02:00
Makefile.objs STM32F2xx: Add the ADC device 2016-10-04 13:28:07 +01:00