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6709f280e7
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Jérôme Pouiller 6709f280e7 staging: wfx: fix possible panic with re-queued frames 
[ Upstream commit 26df933d9b83ea668304dc4ec641d52ea1fc4091 ]

When the firmware rejects a frame (because station become asleep or
disconnected), the frame is re-queued in mac80211. However, the
re-queued frame was 8 bytes longer than the original one (the size of
the ICV for the encryption). So, when mac80211 try to send this frame
again, it is a little bigger than expected.
If the frame is re-queued secveral time it end with a skb_over_panic
because the skb buffer is not large enough.

Note it only happens when device acts as an AP and encryption is
enabled.

This patch more or less reverts the commit 049fde1304 ("staging: wfx:
drop useless field from struct wfx_tx_priv").

Fixes: 049fde1304 ("staging: wfx: drop useless field from struct wfx_tx_priv")
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20210208135254.399964-1-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-03-04 11:37:28 +01:00
arch ARM: s3c: fix fiq for clang IAS 2021-03-04 11:37:28 +01:00
block bfq: Avoid false bfq queue merging 2021-03-04 11:37:18 +01:00
certs
crypto crypto: xor - Fix divide error in do_xor_speed() 2021-01-27 11:54:52 +01:00
Documentation scsi: libsas: docs: Remove notify_ha_event() 2021-03-04 11:37:17 +01:00
drivers staging: wfx: fix possible panic with re-queued frames 2021-03-04 11:37:28 +01:00
fs debugfs: do not attempt to create a new file before the filesystem is initalized 2021-03-04 11:37:17 +01:00
include ACPICA: Fix exception code class checks 2021-03-04 11:37:24 +01:00
init fgraph: Initialize tracing_graph_pause at task creation 2021-02-10 09:29:16 +01:00
ipc
kernel kdb: Make memory allocations more robust 2021-03-04 11:37:18 +01:00
lib udp: fix skb_copy_and_csum_datagram with odd segment sizes 2021-02-17 11:02:28 +01:00
LICENSES
mm mm: provide a saner PTE walking API for modules 2021-02-26 10:13:01 +01:00
net Bluetooth: Put HCI device if inquiry procedure interrupts 2021-03-04 11:37:25 +01:00
samples
scripts scripts/recordmcount.pl: support big endian for ARCH sh 2021-02-26 10:13:02 +01:00
security cap: fix conversions on getxattr 2021-02-17 11:02:22 +01:00
sound ALSA: pcm: Don't call sync_stop if it hasn't been stopped 2021-03-04 11:37:19 +01:00
tools selftests: txtimestamp: fix compilation issue 2021-02-17 11:02:26 +01:00
usr
virt KVM: Use kvm_pfn_t for local PFN variable in hva_to_pfn_remapped() 2021-02-26 10:13:01 +01:00
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Makefile Linux 5.10.19 2021-02-26 10:14:35 +01:00
README

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.