Oliver Neukum c02c0249ce usb: cdc-acm: make sure a refcount is taken early enough ...

commit c52873e5a1 upstream.

destroy() will decrement the refcount on the interface, so that
it needs to be taken so early that it never undercounts.

Fixes: 7fb57a019f ("USB: cdc-acm: Fix potential deadlock (lockdep warning)")
Cc: stable <stable@vger.kernel.org>
Reported-and-tested-by: syzbot+1b2449b7b5dc240d107a@syzkaller.appspotmail.com
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Link: https://lore.kernel.org/r/20190808142119.7998-1-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2019-08-25 10:48:00 +02:00

..

cdc-acm.c

usb: cdc-acm: make sure a refcount is taken early enough

2019-08-25 10:48:00 +02:00

cdc-acm.h

cdc-acm: fix abnormal DATA RX issue for Mediatek Preloader.

2019-01-09 17:38:45 +01:00

cdc-wdm.c

Revert "usb: cdc-wdm: Fix a sleep-in-atomic-context bug in service_outstanding_interrupt()"

2018-09-20 12:47:41 +02:00

Kconfig

usb: fix some references for /proc/bus/usb

2017-04-18 16:54:19 +02:00

Makefile

USB: add SPDX identifiers to all remaining Makefiles

2017-11-07 15:53:48 +01:00

usblp.c

usb: usblp: use irqsave() in USB's complete callback

2018-06-28 19:36:06 +09:00

usbtmc.c

usb: usbtmc: Add support for 32 bit compat applications

2018-07-24 13:50:50 +02:00