linux_dsm_epyc7002/net/mac802154
Lennert Buytenhek c22ff7b4e7 mac802154: Fix memory corruption with global deferred transmit state.
When transmitting a packet via a mac802154 driver that can sleep in
its transmit function, mac802154 defers the call to the driver's
transmit function to a per-device workqueue.

However, mac802154 uses a single global work_struct for this, which
means that if you have more than one registered mac802154 interface
in the system, and you transmit on more than one of them at the same
time, you'll very easily cause memory corruption.

This patch moves the deferred transmit processing state from global
variables to struct ieee802154_local, and this seems to fix the memory
corruption issue.

Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Acked-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-07-30 14:08:55 +02:00
..
cfg.c mac802154: cfg: add suspend and resume callbacks 2015-07-23 17:10:49 +02:00
cfg.h mac802154: introduce mac802154_config_ops 2014-11-02 04:51:06 +01:00
driver-ops.h mac802154: add trace functionality for driver ops 2015-06-02 19:21:09 +02:00
ieee802154_i.h mac802154: Fix memory corruption with global deferred transmit state. 2015-07-30 14:08:55 +02:00
iface.c mac802154: util: add stop_device utility function 2015-07-23 17:10:49 +02:00
Kconfig mac802154: select CRYPTO when needed 2015-05-19 19:35:48 +02:00
llsec.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2015-06-22 21:04:48 -07:00
llsec.h mac802154: add llsec decryption method 2014-05-16 17:23:41 -04:00
mac_cmd.c mac802154: mac802154_mlme_start_req() optimisation. 2015-05-26 20:26:10 +02:00
main.c mac802154: Fix memory corruption with global deferred transmit state. 2015-07-30 14:08:55 +02:00
Makefile mac802154: add trace functionality for driver ops 2015-06-02 19:21:09 +02:00
mib.c mac802154: remove mib lock 2015-05-23 17:57:08 +02:00
rx.c mac802154: fix ieee802154_rx handling 2015-07-23 17:10:50 +02:00
trace.c mac802154: add trace functionality for driver ops 2015-06-02 19:21:09 +02:00
trace.h mac802154: add trace functionality for driver ops 2015-06-02 19:21:09 +02:00
tx.c mac802154: Fix memory corruption with global deferred transmit state. 2015-07-30 14:08:55 +02:00
util.c mac802154: util: add stop_device utility function 2015-07-23 17:10:49 +02:00