1
0
Fork 0
alistair23-linux/drivers/char
Kees Cook ee7998c50c random: do not ignore early device randomness
The add_device_randomness() function would ignore incoming bytes if the
crng wasn't ready.  This additionally makes sure to make an early enough
call to add_latent_entropy() to influence the initial stack canary,
which is especially important on non-x86 systems where it stays the same
through the life of the boot.

Link: http://lkml.kernel.org/r/20170626233038.GA48751@beast
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jessica Yu <jeyu@redhat.com>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Lokesh Vutla <lokeshvutla@ti.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-12 16:26:00 -07:00
..
agp agp: use set_memory.h header 2017-05-08 17:15:13 -07:00
hw_random hwrng: mtk - add runtime PM support 2017-06-20 11:21:28 +08:00
ipmi Some small fixes for IPMI, and one medium sized changed. 2017-07-10 10:59:29 -07:00
mwave Annotate hardware config module parameters in drivers/char/mwave/ 2017-04-20 12:02:32 +01:00
pcmcia networking: introduce and use skb_put_data() 2017-06-16 11:48:37 -04:00
tpm tpm: do not suspend/resume if power stays on 2017-07-07 09:49:26 +10:00
xilinx_hwicap char: xilinx_hwicap: Remove pointless local variables 2017-01-25 11:41:44 +01:00
xillybus char: xillybus: Fix spelling mistake and comment 2016-08-31 14:47:54 +02:00
Kconfig arm64 updates for 4.13: 2017-07-05 17:09:27 -07:00
Makefile mmtimer: Remove the SGI SN2 mmtimer driver 2017-05-26 12:52:19 +02:00
apm-emulation.c apm-emulation: move APM_MINOR_DEV to include/linux/miscdevice.h 2017-01-10 21:46:41 +01:00
applicom.c Annotate hardware config module parameters in drivers/char/ 2017-04-20 12:02:32 +01:00
applicom.h
bfin-otp.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
bsr.c bsr: avoid format string leaking into device name 2014-07-09 16:59:15 -07:00
ds1302.c ds1302: remove unneeded linux/miscdevice.h include 2017-01-10 21:46:41 +01:00
ds1620.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
dsp56k.c format-security: move static strings to const 2017-05-08 17:15:14 -07:00
dtlk.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
efirtc.c drivers/char: make efirtc.c driver explicitly non-modular 2015-09-20 19:32:35 -07:00
generic_nvram.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
hangcheck-timer.c hangcheck-timer: Fix typo in comment 2017-04-08 18:08:54 +02:00
hpet.c hpet: Make cmd parameter of hpet_ioctl_common() unsigned 2017-03-17 15:10:49 +09:00
lp.c char: lp: fix possible integer overflow in lp_setup() 2017-05-16 23:05:20 +02:00
mbcs.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
mbcs.h
mem.c drivers: char: mem: Fix wraparound check to allow mappings up to the end 2017-06-03 18:56:04 +09:00
misc.c drivers: char: misc: Replace printk with pr_err. 2017-04-08 17:53:06 +02:00
mspec.c drivers, char: convert vma_data.refcnt from atomic_t to refcount_t 2017-03-23 13:57:19 +01:00
nsc_gpio.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
nvram.c char/nvram: set array of const as const 2016-02-08 14:57:30 -08:00
nwbutton.c drivers/char/nwbutton: Fix build breakage caused by include file reshuffling 2017-03-07 08:35:49 +01:00
nwbutton.h
nwflash.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
pc8736x_gpio.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
powernv-op-panel.c powerpc/powernv: Add driver for operator panel on FSP machines 2016-06-29 17:33:46 +10:00
ppdev.c ppdev: fix registering same device name 2017-03-16 17:32:21 +09:00
ps3flash.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
random.c random: do not ignore early device randomness 2017-07-12 16:26:00 -07:00
raw.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
rtc.c sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
scx200_gpio.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
snsc.c sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
snsc.h
snsc_event.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/signal.h> 2017-03-02 08:42:29 +01:00
sonypi.c scripts/spelling.txt: add "initialiazation" pattern and fix typo instances 2017-02-27 18:43:47 -08:00
tb0219.c mips: separate extable.h, switch module.h to it 2016-10-05 18:36:18 -04:00
tile-srom.c tile-srom: allow the driver to be built as a module 2016-11-10 15:18:56 +01:00
tlclk.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
toshiba.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
ttyprintk.c ttyprintk: Neaten and simplify printing 2016-09-13 17:30:17 +02:00
uv_mmtimer.c
virtio_console.c virtio: fixes, cleanups, performance 2017-05-10 11:33:08 -07:00