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ac125d993b
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Greg Kurz ac125d993b 9pfs: local: truncate: don't follow symlinks 
The local_truncate() callback is vulnerable to symlink attacks because
it calls truncate() which follows symbolic links in all path elements.

This patch converts local_truncate() to rely on open_nofollow() and
ftruncate() instead.

This partly fixes CVE-2016-9602.

Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-02-28 11:21:15 +01:00
..
9pfs 9pfs: local: truncate: don't follow symlinks 2017-02-28 11:21:15 +01:00
acpi change CPUArchId.cpu type to Object* 2017-02-22 11:28:28 +11:00
adc STM32F2xx: Add the ADC device 2016-10-04 13:28:07 +01:00
alpha hw: Default -drive to if=ide explicitly where it works 2017-02-21 13:10:53 +01:00
arm hw: Deprecate -drive if=scsi with non-onboard HBAs 2017-02-21 13:17:45 +01:00
audio es1370: wire up reset via DeviceClass 2017-01-11 09:19:03 +01:00
block block: explicitly acquire aiocontext in aio callbacks that need it 2017-02-21 11:39:39 +00:00
bt chardev: qom-ify 2017-01-27 18:08:00 +01:00
char hw/char/mcf_uart: QOMify the ColdFire UART 2017-02-16 14:06:56 +01:00
core This is the MTTCG pull-request as posted yesterday. 2017-02-25 18:43:52 +00:00
cpu Introduce DEVICE_CATEGORY_CPU for CPU devices 2017-01-27 18:07:31 +01:00
cris cris: Fix broken header guard in hw/cris/boot.h 2016-07-12 16:20:46 +02:00
display virtio-gpu: use dpy_gl_scanout_disable 2017-02-27 16:15:29 +01:00
dma migration: consolidate VMStateField.start 2017-02-13 17:27:13 +00:00
gpio hw/gpio: QOM'ify mpc8xxx.c 2017-01-31 10:10:13 +11:00
i2c arm: Uniquely name imx25 I2C buses. 2017-01-20 11:15:06 +00:00
i386 This is the MTTCG pull-request as posted yesterday. 2017-02-25 18:43:52 +00:00
ide hw: Drop superfluous special checks for orphaned -drive 2017-02-21 13:17:45 +01:00
input -----BEGIN PGP SIGNATURE----- 2017-02-02 16:08:28 +00:00
intc This is the MTTCG pull-request as posted yesterday. 2017-02-25 18:43:52 +00:00
ipack ipack: Update e-mail address 2016-05-18 15:04:27 +03:00
ipmi migration: consolidate VMStateField.start 2017-02-13 17:27:13 +00:00
isa Allow ISA bus to be configured out 2017-02-06 12:33:21 +11:00
lm32 char: rename CharDriverState Chardev 2017-01-27 18:07:59 +01:00
m68k hw/m68k: QOMify the ColdFire interrupt controller 2017-02-18 22:23:31 +01:00
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 hw/mips: MIPS Boston board support 2017-02-24 10:37:21 +00:00
misc This is the MTTCG pull-request as posted yesterday. 2017-02-25 18:43:52 +00:00
moxie hw: explicitly include qemu-common.h and cpu.h 2016-03-22 22:20:17 +01:00
net hw/net/spapr_llan: 6 byte mac address device tree entry 2017-02-22 14:28:53 +11:00
nios2 nios2: Add Altera 10M50 GHRD emulation 2017-01-24 13:10:35 -08:00
nvram migration: consolidate VMStateField.start 2017-02-13 17:27:13 +00:00
openrisc target/openrisc: Rename the cpu from or32 to or1k 2017-02-14 08:14:58 +11:00
pci Don't check qobject_type() before qobject_to_qdict() 2017-02-22 19:52:01 +01:00
pci-bridge ppc patch queue 2017-02-02 2017-02-02 18:48:06 +00:00
pci-host ppc patch queue for 2017-02-22 2017-02-24 10:13:57 +00:00
pcmcia hw: Clean up includes 2016-01-29 15:07:25 +00:00
ppc This is the MTTCG pull-request as posted yesterday. 2017-02-25 18:43:52 +00:00
s390x s390x/css: handle format-0 TIC CCW correctly 2017-02-24 10:15:18 +01:00
scsi Changes to -drive without if= and with if=scsi 2017-02-21 13:58:50 +00:00
sd migration: consolidate VMStateField.start 2017-02-13 17:27:13 +00:00
sh4 hw: Default -drive to if=ide explicitly where it works 2017-02-21 13:10:53 +01:00
smbios stubs: move smbios stubs to hw/smbios 2017-01-16 17:52:35 +01:00
sparc hw: Drop superfluous special checks for orphaned -drive 2017-02-21 13:17:45 +01:00
sparc64 Pull request for Niagara patches 2017 02 26 2017-02-26 22:40:23 +00:00
ssi aspeed/smc: use a modulo to check segment limits 2017-02-10 17:40:30 +00:00
timer hw/mips_gictimer: provide API for retrieving frequency 2017-02-21 22:24:58 +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 xhci: properties cleanup 2017-02-23 16:18:03 +01:00
vfio vfio/pci-quirks.c: Disable stolen memory for igd VFIO 2017-02-22 13:19:59 -07:00
virtio virtio: Fix no interrupt when not creating msi controller 2017-02-17 21:52:30 +02:00
watchdog wdt: Add Aspeed watchdog device model 2017-02-07 18:29:59 +00:00
xen Xen 2017/02/02 2017-02-03 12:31:40 +00:00
xenpv xenpv: Fix qemu_uuid compiling error 2016-09-29 11:43:17 +08:00
xtensa target/xtensa: refactor CCOUNT/CCOMPARE 2017-01-15 13:01:55 -08:00
Makefile.objs acpi: filter based on CONFIG_ACPI_X86 rather than TARGET 2017-01-16 17:52:35 +01:00