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Kamal Heib 8dacf7a5ab RDMA/hfi1: Fix memory leak in _dev_comp_vect_mappings_create 
commit 8a4f300b97 upstream.

Make sure to free the allocated cpumask_var_t's to avoid the following
reported memory leak by kmemleak:

$ cat /sys/kernel/debug/kmemleak
unreferenced object 0xffff8897f812d6a8 (size 8):
  comm "kworker/1:1", pid 347, jiffies 4294751400 (age 101.703s)
  hex dump (first 8 bytes):
    00 00 00 00 00 00 00 00                          ........
  backtrace:
    [<00000000bff49664>] alloc_cpumask_var_node+0x4c/0xb0
    [<0000000075d3ca81>] hfi1_comp_vectors_set_up+0x20f/0x800 [hfi1]
    [<0000000098d420df>] hfi1_init_dd+0x3311/0x4960 [hfi1]
    [<0000000071be7e52>] init_one+0x25e/0xf10 [hfi1]
    [<000000005483d4c2>] local_pci_probe+0xd4/0x180
    [<000000007c3cbc6e>] work_for_cpu_fn+0x51/0xa0
    [<000000001d626905>] process_one_work+0x8f0/0x17b0
    [<000000007e569e7e>] worker_thread+0x536/0xb50
    [<00000000fd39a4a5>] kthread+0x30c/0x3d0
    [<0000000056f2edb3>] ret_from_fork+0x3a/0x50

Fixes: 5d18ee67d4 ("IB/{hfi1, rdmavt, qib}: Implement CQ completion vector support")
Link: https://lore.kernel.org/r/20200205110530.12129-1-kamalheib1@gmail.com
Signed-off-by: Kamal Heib <kamalheib1@gmail.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2020-02-19 19:54:09 +01:00
arch s390/uv: Fix handling of length extensions 2020-02-19 19:54:06 +01:00
block compat: scsi: sg: fix v3 compat read/write interface 2020-02-11 04:37:17 -08:00
certs certs: Add wrapper function to check blacklisted binary hash 2019-11-12 12:25:50 +11:00
crypto crypto: testmgr - don't try to decrypt uninitialized buffers 2020-02-14 16:53:04 -05:00
Documentation dt-bindings: iio: adc: ad7606: Fix wrong maxItems value 2020-02-14 16:53:05 -05:00
drivers RDMA/hfi1: Fix memory leak in _dev_comp_vect_mappings_create 2020-02-19 19:54:09 +01:00
fs jbd2: do not clear the BH_Mapped flag when forgetting a metadata buffer 2020-02-19 19:54:05 +01:00
include ACPICA: Introduce acpi_any_gpe_status_set() 2020-02-19 19:54:02 +01:00
init Revert "um: Enable CONFIG_CONSTRUCTORS" 2020-02-01 09:33:00 +00:00
ipc ipc/msg.c: consolidate all xxxctl_down() functions 2020-02-11 04:36:39 -08:00
kernel cgroup: init_tasks shouldn't be linked to the root cgroup 2020-02-19 19:54:05 +01:00
lib lib/test_kasan.c: fix memory leak in kmalloc_oob_krealloc_more() 2020-02-11 04:36:45 -08:00
LICENSES LICENSES: Rename other to deprecated 2019-05-03 06:34:32 -06:00
mm mm/mmu_gather: invalidate TLB correctly on batch allocation failure and flush 2020-02-11 04:37:14 -08:00
net xprtrdma: Fix DMA scatter-gather list mapping imbalance 2020-02-19 19:54:05 +01:00
samples samples/bpf: Reintroduce missed build targets 2020-02-11 04:37:00 -08:00
scripts scripts/find-unused-docs: Fix massive false positives 2020-02-11 04:36:53 -08:00
security selinux: fall back to ref-walk if audit is required 2020-02-14 16:53:07 -05:00
sound ALSA: usb-audio: Apply sample rate quirk for Audioengine D1 2020-02-19 19:54:01 +01:00
tools tools/power/acpi: fix compilation error 2020-02-14 16:53:02 -05:00
usr gen_initramfs_list.sh: fix 'bad variable name' error 2020-01-04 00:00:48 +09:00
virt KVM: arm64: Treat emulated TVAL TimerValue as a signed 32-bit integer 2020-02-14 16:53:04 -05:00
.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: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore modpost: dump missing namespaces into a single modules.nsdeps file 2019-11-11 20:10:01 +09:00
.mailmap MAINTAINERS: update my email address 2020-01-11 14:33:39 -08:00
COPYING COPYING: use the new text with points to the license files 2018-03-23 12:41:45 -06:00
CREDITS Linux 5.4-rc4 2019-10-29 04:43:29 -06:00
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 04:36:38 -08:00
Makefile Linux 5.5.4 2020-02-14 16:53:07 -05:00
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.