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Wenli Looi 8d9d475bb1 staging: rtl8723bs: Fix uninitialized variables commit `43c85d770d` upstream. The sinfo.pertid and sinfo.generation variables are not initialized and it causes a crash when we use this as a wireless access point. [ 456.873025] ------------[ cut here ]------------ [ 456.878198] kernel BUG at mm/slub.c:3968! [ 456.882680] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM [ snip ] [ 457.271004] Backtrace: [ 457.273733] [<c02b7ee4>] (kfree) from [<c0e2a470>] (nl80211_send_station+0x954/0xfc4) [ 457.282481] r9:eccca0c0 r8:e8edfec0 r7:00000000 r6:00000011 r5:e80a9480 r4:e8edfe00 [ 457.291132] [<c0e29b1c>] (nl80211_send_station) from [<c0e2b18c>] (cfg80211_new_sta+0x90/0x1cc) [ 457.300850] r10:e80a9480 r9:e8edfe00 r8:ea678cca r7:00000a20 r6:00000000 r5:ec46d000 [ 457.309586] r4:ec46d9e0 [ 457.312433] [<c0e2b0fc>] (cfg80211_new_sta) from [<bf086684>] (rtw_cfg80211_indicate_sta_assoc+0x80/0x9c [r8723bs]) [ 457.324095] r10:00009930 r9:e85b9d80 r8:bf091050 r7:00000000 r6:00000000 r5:0000001c [ 457.332831] r4:c1606788 [ 457.335692] [<bf086604>] (rtw_cfg80211_indicate_sta_assoc [r8723bs]) from [<bf03df38>] (rtw_stassoc_event_callback+0x1c8/0x1d4 [r8723bs]) [ 457.349489] r7:ea678cc0 r6:000000a1 r5:f1225f84 r4:f086b000 [ 457.355845] [<bf03dd70>] (rtw_stassoc_event_callback [r8723bs]) from [<bf048e4c>] (mlme_evt_hdl+0x8c/0xb4 [r8723bs]) [ 457.367601] r7:c1604900 r6:f086c4b8 r5:00000000 r4:f086c000 [ 457.373959] [<bf048dc0>] (mlme_evt_hdl [r8723bs]) from [<bf03693c>] (rtw_cmd_thread+0x198/0x3d8 [r8723bs]) [ 457.384744] r5:f086e000 r4:f086c000 [ 457.388754] [<bf0367a4>] (rtw_cmd_thread [r8723bs]) from [<c014a214>] (kthread+0x170/0x174) [ 457.398083] r10:ed7a57e8 r9:bf0367a4 r8:f086b000 r7:e8ede000 r6:00000000 r5:e9975200 [ 457.406828] r4:e8369900 [ 457.409653] [<c014a0a4>] (kthread) from [<c01010e8>] (ret_from_fork+0x14/0x2c) [ 457.417718] Exception stack(0xe8edffb0 to 0xe8edfff8) [ 457.423356] ffa0: 00000000 00000000 00000000 00000000 [ 457.432492] ffc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 457.441618] ffe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 457.449006] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c014a0a4 [ 457.457750] r4:e9975200 [ 457.460574] Code: 1a000003 e5953004 e3130001 1a000000 (e7f001f2) [ 457.467381] ---[ end trace 4acbc8c15e9e6aa7 ]--- Link: https://forum.armbian.com/topic/14727-wifi-ap-kernel-bug-in-kernel-5444/ Fixes: `8689c051a2` ("cfg80211: dynamically allocate per-tid stats for station info") Fixes: `f5ea9120be` ("nl80211: add generation number to all dumps") Signed-off-by: Wenli Looi <wlooi@ucalgary.ca> Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210608064620.74059-1-wlooi@ucalgary.ca Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2021-06-16 11:53:02 +02:00
arch	powerpc/fsl: set fsl,i2c-erratum-a004447 flag for P1010 i2c controllers	2021-06-16 11:53:02 +02:00
block	blk-mq: Swap two calls in blk_mq_exit_queue()	2021-05-22 10:57:40 +02:00
certs	certs: Fix blacklist flag type confusion	2021-03-03 18:22:46 +01:00
crypto	crypto: api - check for ERR pointers in crypto_destroy_tfm()	2021-05-22 10:57:16 +02:00
Documentation	tweewide: Fix most Shebang lines	2021-06-03 08:36:11 +02:00
drivers	staging: rtl8723bs: Fix uninitialized variables	2021-06-16 11:53:02 +02:00
firmware	Fix built-in early-load Intel microcode alignment	2020-01-23 08:20:30 +01:00
fs	proc: Track /proc/$pid/attr/ opener mm_struct	2021-06-16 11:53:00 +02:00
include	kvm: avoid speculation-based attacks from out-of-range memslot accesses	2021-06-16 11:53:02 +02:00
init	pid: take a reference when initializing `cad_pid`	2021-06-10 12:43:51 +02:00
ipc	ipc/util.c: sysvipc_find_ipc() incorrectly updates position index	2020-05-20 08:17:07 +02:00
kernel	wq: handle VM suspension in stall detection	2021-06-16 11:53:01 +02:00
lib	lib: stackdepot: turn depot_lock spinlock to raw_spinlock	2021-05-22 10:57:43 +02:00
mm	mm, hugetlb: fix simple resv_huge_pages underflow on UFFDIO_COPY	2021-06-10 12:43:51 +02:00
net	netlink: disable IRQs for netlink_lock_table()	2021-06-16 11:53:01 +02:00
samples	samples/bpf: Fix broken tracex1 due to kprobe argument change	2021-05-22 10:57:37 +02:00
scripts	scripts: switch explicitly to Python 3	2021-06-03 08:36:11 +02:00
security	security: commoncap: fix -Wstringop-overread warning	2021-05-22 10:57:21 +02:00
sound	ASoC: sti-sas: add missing MODULE_DEVICE_TABLE	2021-06-16 11:53:00 +02:00
tools	selftests/bpf: make 'dubious pointer arithmetic' test useful	2021-06-10 12:43:53 +02:00
usr	initramfs: restore default compression behavior	2020-04-13 10:34:19 +02:00
virt	KVM: arm64: Fix exclusive limit for IPA size	2021-03-17 16:34:35 +01:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS	MAINTAINERS: Update drm/i915 bug filing URL	2020-02-28 16:36:12 +01:00
Makefile	Linux 4.14.236	2021-06-10 12:43:54 +02:00
README

README

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

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

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.