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Gustavo A. R. Silva ced9e19150 atm: zatm: Fix potential Spectre v1 
pool can be indirectly controlled by user-space, hence leading to
a potential exploitation of the Spectre variant 1 vulnerability.

This issue was detected with the help of Smatch:

drivers/atm/zatm.c:1491 zatm_ioctl() warn: potential spectre issue
'zatm_dev->pool_info' (local cap)

Fix this by sanitizing pool before using it to index
zatm_dev->pool_info

Notice that given that speculation windows are large, the policy is
to kill the speculation on the first load and not worry if it can be
completed with a dependent load/store [1].

[1] https://marc.info/?l=linux-kernel&m=152449131114778&w=2

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-30 21:24:18 +09:00
..
.gitignore
adummy.c atm: make atmdev_ops const 2017-08-09 22:43:50 -07:00
ambassador.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-29 13:10:25 -08:00
ambassador.h
atmtcp.c atm: make atmdev_ops const 2017-08-09 22:43:50 -07:00
eni.c atm: eni: fix several indentation issues 2017-11-30 09:26:32 -05:00
eni.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
firestream.c firestream: fix spelling mistake: "reseverd" -> "reserved" 2018-05-10 15:23:49 -04:00
firestream.h
fore200e.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
fore200e.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
he.c atm: he: use 64-bit arithmetic instead of 32-bit 2018-02-08 15:05:16 -05:00
he.h atm: remove deprecated use of pci api 2015-01-18 00:28:41 -05:00
horizon.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
horizon.h
idt77105.c treewide: Switch DEFINE_TIMER callbacks to struct timer_list * 2017-11-21 15:57:05 -08:00
idt77105.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
idt77252_tables.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
idt77252.c atm: idt77252: remove redundant bit-wise or'ing of zero 2018-02-23 12:42:26 -05:00
idt77252.h atm: idt77252: Convert timers to use timer_setup() 2017-10-18 12:39:38 +01:00
iphase.c atm: iphase: fix a 64 bit bug 2018-06-30 18:44:38 +09:00
iphase.h scripts/spelling.txt: add "followings" pattern and fix typo instances 2017-02-27 18:43:47 -08:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
lanai.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-29 13:10:25 -08:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
midway.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nicstar.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
nicstar.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nicstarmac.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nicstarmac.copyright
solos-attrlist.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
solos-pci.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
suni.c atm: suni: remove extraneous space to fix indentation 2017-11-28 16:03:09 -05:00
suni.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tonga.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
uPD98401.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
uPD98402.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
uPD98402.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
zatm.c atm: zatm: Fix potential Spectre v1 2018-06-30 21:24:18 +09:00
zatm.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
zeprom.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00