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Soenke Huster aa1ca580e3 Bluetooth: hci_event: Ignore multiple conn complete events 
[ Upstream commit d5ebaa7c5f ]

When one of the three connection complete events is received multiple
times for the same handle, the device is registered multiple times which
leads to memory corruptions. Therefore, consequent events for a single
connection are ignored.

The conn->state can hold different values, therefore HCI_CONN_HANDLE_UNSET
is introduced to identify new connections. To make sure the events do not
contain this or another invalid handle HCI_CONN_HANDLE_MAX and checks
are introduced.

Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=215497
Signed-off-by: Soenke Huster <soenke.huster@eknoes.de>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-04-13 19:27:08 +02:00
arch KVM: x86/emulator: Emulate RDPID only if it is enabled in guest 2022-04-13 19:27:07 +02:00
block block: restore the old set_task_ioprio() behaviour wrt PF_EXITING 2022-04-08 13:58:57 +02:00
certs certs: Fix build error when CONFIG_MODULE_SIG_KEY is empty 2022-01-23 00:08:44 +09:00
crypto crypto: xts - Add softdep on ecb 2022-04-08 13:58:36 +02:00
Documentation docs: sysctl/kernel: add missing bit to panic_print 2022-04-08 13:59:03 +02:00
drivers drm/edid: improve non-desktop quirk logging 2022-04-13 19:27:08 +02:00
fs coredump: Use the vma snapshot in fill_files_note 2022-04-08 13:59:04 +02:00
include Bluetooth: hci_event: Ignore multiple conn complete events 2022-04-13 19:27:08 +02:00
init lib/stackdepot: allow optional init and stack_table allocation by kvmalloc() 2022-01-22 08:33:37 +02:00
ipc ipc/sem: do not sleep with a spin lock held 2022-02-04 09:25:05 -08:00
kernel bpf: Adjust BPF stack helper functions to accommodate skip > 0 2022-04-08 13:59:00 +02:00
lib lib/logic_iomem: correct fallback config references 2022-04-13 19:27:06 +02:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm mm: kfence: fix objcgs vector allocation 2022-04-13 19:27:07 +02:00
net Bluetooth: hci_event: Ignore multiple conn complete events 2022-04-13 19:27:08 +02:00
samples samples/bpf, xdpsock: Fix race when running for fix duration of time 2022-04-08 13:58:18 +02:00
scripts modpost: restore the warning message for missing symbol versions 2022-04-08 13:58:54 +02:00
security Fix incorrect type in assignment of ipv6 port for audit 2022-04-08 13:58:37 +02:00
sound ASoC: topology: Allow TLV control to be either read or write 2022-04-08 13:59:02 +02:00
tools torture: Make torture.sh help message match reality 2022-04-08 13:59:04 +02:00
usr kbuild: remove include/linux/cyclades.h from header file check 2022-01-27 08:51:08 +01:00
virt KVM: avoid double put_page with gfn-to-pfn cache 2022-04-08 13:58:52 +02:00
.clang-format genirq/msi: Make interrupt allocation less convoluted 2021-12-16 22:22:20 +01:00
.cocciconfig
.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 .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap MAINTAINERS: Update Jisheng's email address 2022-03-08 17:30:32 +01:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: replace a Microchip AT91 maintainer 2022-02-09 11:30:01 +01:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS net: dsa: realtek-smi: move to subdirectory 2022-04-08 13:58:12 +02:00
Makefile Linux 5.17.2 2022-04-08 13:59:05 +02:00
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.