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Cezary Rojewski 2ff28b22a3 ASoC: Intel: skl_hda_dsp_common: Fix global-out-of-bounds bug commit `15adb20f64` upstream. Definitions for idisp snd_soc_dai_links within skl_hda_dsp_common are missing platform component. Add it to address following bug reported by KASAN: [ 10.538502] BUG: KASAN: global-out-of-bounds in skl_hda_audio_probe+0x13a/0x2b0 [snd_soc_skl_hda_dsp] [ 10.538509] Write of size 8 at addr ffffffffc0606840 by task systemd-udevd/299 (...) [ 10.538519] Call Trace: [ 10.538524] dump_stack+0x62/0x95 [ 10.538528] print_address_description+0x2f5/0x3b0 [ 10.538532] ? skl_hda_audio_probe+0x13a/0x2b0 [snd_soc_skl_hda_dsp] [ 10.538535] __kasan_report+0x134/0x191 [ 10.538538] ? skl_hda_audio_probe+0x13a/0x2b0 [snd_soc_skl_hda_dsp] [ 10.538542] ? skl_hda_audio_probe+0x13a/0x2b0 [snd_soc_skl_hda_dsp] [ 10.538544] kasan_report+0x12/0x20 [ 10.538546] __asan_store8+0x57/0x90 [ 10.538550] skl_hda_audio_probe+0x13a/0x2b0 [snd_soc_skl_hda_dsp] [ 10.538553] platform_drv_probe+0x51/0xb0 [ 10.538556] really_probe+0x311/0x600 [ 10.538559] driver_probe_device+0x87/0x1b0 [ 10.538562] device_driver_attach+0x8f/0xa0 [ 10.538565] ? device_driver_attach+0xa0/0xa0 [ 10.538567] __driver_attach+0x102/0x1a0 [ 10.538569] ? device_driver_attach+0xa0/0xa0 [ 10.538572] bus_for_each_dev+0xe8/0x160 [ 10.538574] ? subsys_dev_iter_exit+0x10/0x10 [ 10.538577] ? preempt_count_sub+0x18/0xc0 [ 10.538580] ? _raw_write_unlock+0x1f/0x40 [ 10.538582] driver_attach+0x2b/0x30 [ 10.538585] bus_add_driver+0x251/0x340 [ 10.538588] driver_register+0xd3/0x1c0 [ 10.538590] __platform_driver_register+0x6c/0x80 [ 10.538592] ? 0xffffffffc03e8000 [ 10.538595] skl_hda_audio_init+0x1c/0x1000 [snd_soc_skl_hda_dsp] [ 10.538598] do_one_initcall+0xd0/0x36a [ 10.538600] ? trace_event_raw_event_initcall_finish+0x160/0x160 [ 10.538602] ? kasan_unpoison_shadow+0x36/0x50 [ 10.538605] ? __kasan_kmalloc+0xcc/0xe0 [ 10.538607] ? kasan_unpoison_shadow+0x36/0x50 [ 10.538609] ? kasan_poison_shadow+0x2f/0x40 [ 10.538612] ? __asan_register_globals+0x65/0x80 [ 10.538615] do_init_module+0xf9/0x36f [ 10.538619] load_module+0x398e/0x4590 [ 10.538625] ? module_frob_arch_sections+0x20/0x20 [ 10.538628] ? __kasan_check_write+0x14/0x20 [ 10.538630] ? kernel_read+0x9a/0xc0 [ 10.538632] ? __kasan_check_write+0x14/0x20 [ 10.538634] ? kernel_read_file+0x1d3/0x3c0 [ 10.538638] ? cap_capable+0xca/0x110 [ 10.538642] __do_sys_finit_module+0x190/0x1d0 [ 10.538644] ? __do_sys_finit_module+0x190/0x1d0 [ 10.538646] ? __x64_sys_init_module+0x50/0x50 [ 10.538649] ? expand_files+0x380/0x380 [ 10.538652] ? __kasan_check_write+0x14/0x20 [ 10.538654] ? fput_many+0x20/0xc0 [ 10.538658] __x64_sys_finit_module+0x43/0x50 [ 10.538660] do_syscall_64+0xce/0x700 [ 10.538662] ? syscall_return_slowpath+0x230/0x230 [ 10.538665] ? __do_page_fault+0x51e/0x640 [ 10.538668] ? __kasan_check_read+0x11/0x20 [ 10.538670] ? prepare_exit_to_usermode+0xc7/0x200 [ 10.538673] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Fixes: `a78959f407` ("ASoC: Intel: skl_hda_dsp_common: use modern dai_link style") Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com> Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> Link: https://lore.kernel.org/r/20200122181254.22801-1-cezary.rojewski@intel.com Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		History 2020-02-11 04:37:21 -08:00
arch	powerpc/44x: Adjust indentation in ibm4xx_denali_fixup_memsize	2020-02-11 04:37:18 -08:00
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: api - Fix race condition in crypto_spawn_alg	2020-02-11 04:37:01 -08:00
Documentation	PM / devfreq: Add new name attribute for sysfs	2020-02-04 18:18:01 +00:00
drivers	regulator: core: Add regulator_is_equal() helper	2020-02-11 04:37:21 -08:00
fs	ubifs: Fix memory leak from c->sup_node	2020-02-11 04:37:20 -08:00
include	regulator: core: Add regulator_is_equal() helper	2020-02-11 04:37:21 -08:00
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	bpf, devmap: Pass lockdep expression to RCU lists	2020-02-11 04:36:59 -08:00
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	sunrpc: expiry_time should be seconds not timeval	2020-02-11 04:37:04 -08:00
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	broken ping to ipv6 linklocal addresses on debian buster	2020-02-11 04:37:16 -08:00
sound	ASoC: Intel: skl_hda_dsp_common: Fix global-out-of-bounds bug	2020-02-11 04:37:21 -08:00
tools	tools/kvm_stat: Fix kvm_exit filter name	2020-02-11 04:37:06 -08:00
usr	gen_initramfs_list.sh: fix 'bad variable name' error	2020-01-04 00:00:48 +09:00
virt	KVM: x86: Use gpa_t for cr2/gpa to fix TDP support on 32-bit KVM	2020-02-11 04:37:11 -08:00
.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 5.5.2	2020-02-04 18:18:03 +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.