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Kevin Hao 146f086a40 irqdomain: Fix a memory leak in irq_domain_push_irq() 
commit 0f394daef8 upstream.

Fix a memory leak reported by kmemleak:
unreferenced object 0xffff000bc6f50e80 (size 128):
  comm "kworker/23:2", pid 201, jiffies 4294894947 (age 942.132s)
  hex dump (first 32 bytes):
    00 00 00 00 41 00 00 00 86 c0 03 00 00 00 00 00  ....A...........
    00 a0 b2 c6 0b 00 ff ff 40 51 fd 10 00 80 ff ff  ........@Q......
  backtrace:
    [<00000000e62d2240>] kmem_cache_alloc_trace+0x1a4/0x320
    [<00000000279143c9>] irq_domain_push_irq+0x7c/0x188
    [<00000000d9f4c154>] thunderx_gpio_probe+0x3ac/0x438
    [<00000000fd09ec22>] pci_device_probe+0xe4/0x198
    [<00000000d43eca75>] really_probe+0xdc/0x320
    [<00000000d3ebab09>] driver_probe_device+0x5c/0xf0
    [<000000005b3ecaa0>] __device_attach_driver+0x88/0xc0
    [<000000004e5915f5>] bus_for_each_drv+0x7c/0xc8
    [<0000000079d4db41>] __device_attach+0xe4/0x140
    [<00000000883bbda9>] device_initial_probe+0x18/0x20
    [<000000003be59ef6>] bus_probe_device+0x98/0xa0
    [<0000000039b03d3f>] deferred_probe_work_func+0x74/0xa8
    [<00000000870934ce>] process_one_work+0x1c8/0x470
    [<00000000e3cce570>] worker_thread+0x1f8/0x428
    [<000000005d64975e>] kthread+0xfc/0x128
    [<00000000f0eaa764>] ret_from_fork+0x10/0x18

Fixes: 495c38d300 ("irqdomain: Add irq_domain_{push,pop}_irq() functions")
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20200120043547.22271-1-haokexin@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2020-02-11 04:35:14 -08:00
Documentation PM / devfreq: Add new name attribute for sysfs 2020-02-05 21:22:40 +00:00
LICENSES LICENSES: Rename other to deprecated 2019-05-03 06:34:32 -06:00
arch sparc32: fix struct ipc64_perm type definition 2020-02-11 04:35:03 -08:00
block block: fix memleak of bio integrity data 2020-01-26 10:01:09 +01:00
certs PKCS#7: Refactor verify_pkcs7_signature() 2019-08-05 18:40:18 -04:00
crypto crypto: pcrypt - Fix user-after-free on module unload 2020-02-01 09:34:52 +00:00
drivers media: v4l2-core: compat: ignore native command codes 2020-02-11 04:35:14 -08:00
fs utimes: Clamp the timestamps in notify_change() 2020-02-11 04:35:12 -08:00
include media: v4l2-rect.h: fix v4l2_rect_map_inside() top/left adjustments 2020-02-11 04:35:14 -08:00
init Revert "um: Enable CONFIG_CONSTRUCTORS" 2020-02-01 09:34:53 +00:00
ipc ipc/msg.c: consolidate all xxxctl_down() functions 2020-02-11 04:35:07 -08:00
kernel irqdomain: Fix a memory leak in irq_domain_push_irq() 2020-02-11 04:35:14 -08:00
lib lib/test_kasan.c: fix memory leak in kmalloc_oob_krealloc_more() 2020-02-11 04:35:14 -08:00
mm mm: move_pages: report the number of non-attempted pages 2020-02-11 04:35:13 -08:00
net netfilter: ipset: fix suspicious RCU usage in find_set_and_id 2020-02-11 04:35:07 -08:00
samples samples/bpf: Fix broken xdp_rxq_info due to map order assumptions 2020-01-26 10:00:58 +01:00
scripts ARM: 8950/1: ftrace/recordmcount: filter relocation types 2020-01-29 16:45:27 +01:00
security tomoyo: Use atomic_t for statistics counter 2020-02-05 21:22:41 +00:00
sound ALSA: dummy: Fix PCM format loop in proc output 2020-02-11 04:35:11 -08:00
tools objtool: Silence build output 2020-02-11 04:35:10 -08:00
usr gen_initramfs_list.sh: fix 'bad variable name' error 2020-01-09 10:20:00 +01:00
virt KVM: arm/arm64: Properly handle faulting of device mappings 2019-12-31 16:46:24 +01:00
.clang-format clang-format: Update with the latest for_each macro list 2019-08-31 10:00:51 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore Modules updates for v5.4 2019-09-22 10:34:46 -07:00
.mailmap ARM: SoC fixes 2019-11-10 13:41:59 -08:00
COPYING COPYING: use the new text with points to the license files 2018-03-23 12:41:45 -06:00
CREDITS MAINTAINERS: Remove Simon as Renesas SoC Co-Maintainer 2019-10-10 08:12:51 -07:00
Kbuild kbuild: do not descend to ./Kbuild when cleaning 2019-08-21 21:03:58 +09:00
Kconfig docs: kbuild: convert docs to ReST and rename to *.rst 2019-06-14 14:21:21 -06:00
MAINTAINERS MAINTAINERS: correct entries for ISDN/mISDN section 2020-02-11 04:35:06 -08:00
Makefile Linux 5.4.18 2020-02-05 21:22:53 +00:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.