AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/drivers/base
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Linus Torvalds 6f957724b9 Fix firmware loader uevent buffer NULL pointer dereference 
The firmware class uevent function accessed the "fw_priv->buf" buffer
without the proper locking and testing for NULL.  This is an old bug
(looks like it goes back to 2012 and commit 1244691c73: "firmware
loader: introduce firmware_buf"), but for some reason it's triggering
only now in 4.2-rc1.

Shuah Khan is trying to bisect what it is that causes this to trigger
more easily, but in the meantime let's just fix the bug since others are
hitting it too (at least Ingo reports having seen it as well).

Reported-and-tested-by: Shuah Khan <shuahkh@osg.samsung.com>
Acked-by: Ming Lei <ming.lei@canonical.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-09 11:20:01 -07:00
..
power Merge branches 'acpi-pnp', 'acpi-soc', 'pm-domains' and 'pm-sleep' 2015-07-07 22:48:14 +02:00
regmap Merge remote-tracking branches 'regmap/topic/defaults', 'regmap/topic/irq' and 'regmap/topic/reg-params' into regmap-next 2015-06-17 17:40:08 +01:00
attribute_container.c attribute_container: fix missing blank lines after declarations 2015-03-25 14:35:09 +01:00
base.h driver-core: add asynchronous probing support for drivers 2015-05-20 00:25:24 -07:00
bus.c driver-core: add asynchronous probing support for drivers 2015-05-20 00:25:24 -07:00
cacheinfo.c Merge 4.1-rc7 into driver-core-next 2015-06-08 10:19:40 -07:00
class.c drivers: base: class: Add a blank line after declarations 2015-03-25 14:36:19 +01:00
component.c component: fix bug with legacy API 2014-07-04 18:05:05 +01:00
container.c ACPI / hotplug / driver core: Handle containers in a special way 2013-12-29 15:25:48 +01:00
core.c drivers/base/core.c: use strreplace() 2015-06-25 17:00:40 -07:00
cpu.c show nohz_full cpus in sysfs 2015-05-20 00:15:09 -07:00
dd.c base:dd - Fix for typo in comment to function driver_deferred_probe_trigger(). 2015-06-01 10:15:17 +09:00
devcoredump.c devcoredump: provide a one-way disable function 2014-11-26 19:40:12 -08:00
devres.c devres: Improve devm_kasprintf()/kvasprintf() support 2014-09-23 23:32:50 -07:00
devtmpfs.c VFS: assorted weird filesystems: d_inode() annotations 2015-04-15 15:06:58 -04:00
dma-coherent.c drivers: dma-coherent: add initialization from device tree 2014-10-14 02:18:12 +02:00
dma-contiguous.c drivers: of: add return value to of_reserved_mem_device_init() 2014-10-29 16:33:14 -07:00
dma-mapping.c drivers: base: dma-mapping: Erase blank space after pointer 2015-03-25 14:36:19 +01:00
driver.c driver core: add missing blank line after declaration 2015-03-25 14:36:30 +01:00
firmware_class.c Fix firmware loader uevent buffer NULL pointer dereference 2015-07-09 11:20:01 -07:00
firmware.c
hypervisor.c drivers/base: Add export.h for EXPORT_SYMBOL/THIS_MODULE as required. 2011-10-31 19:31:38 -04:00
init.c drivers: of/base: move of_init to driver_init 2015-05-26 19:55:56 -07:00
isa.c dma-mapping: replace all DMA_24BIT_MASK macro with DMA_BIT_MASK(24) 2009-04-07 08:31:12 -07:00
Kconfig cma: make default CMA area size zero for x86 2014-12-10 17:41:06 -08:00
Makefile Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
map.c drivers: base: map: Use kmalloc_array instead of kmalloc 2015-03-25 14:35:08 +01:00
memory.c mm, hotplug: fix concurrent memory hot-add deadlock 2015-04-14 16:49:00 -07:00
module.c driver core: module.c: Use kasprintf 2010-05-21 09:37:29 -07:00
node.c mm: meminit: initialise a subset of struct pages if CONFIG_DEFERRED_STRUCT_PAGE_INIT is set 2015-06-30 19:44:56 -07:00
pinctrl.c drivers: pinctrl sleep and idle states in the core 2013-06-16 11:56:52 +02:00
platform.c Revert "base/platform: Only insert MEM and IO resources" 2015-06-10 08:38:29 -07:00
property.c Merge branches 'acpi-video', 'device-properties', 'pm-sleep' and 'pm-cpuidle' 2015-06-26 03:30:37 +02:00
soc.c drivers/base: use tabs where possible in code indentation 2015-03-25 14:37:35 +01:00
syscore.c genirq: Simplify wakeup mechanism 2014-09-01 13:48:59 +02:00
topology.c sched/topology: Rename topology_thread_cpumask() to topology_sibling_cpumask() 2015-05-27 15:22:15 +02:00
transport_class.c drivers/base: transport_class explicitly requires EXPORT_SYMBOL 2011-10-31 19:31:15 -04:00