https://github.com/torvalds/linux
Revision c52873e5a1ef72f845526d9f6a50704433f9c625 authored by Oliver Neukum on 08 August 2019, 14:21:19 UTC, committed by Greg Kroah-Hartman on 15 August 2019, 12:49:16 UTC
destroy() will decrement the refcount on the interface, so that
it needs to be taken so early that it never undercounts.

Fixes: 7fb57a019f94e ("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>
1 parent 303911c
History
Tip revision: c52873e5a1ef72f845526d9f6a50704433f9c625 authored by Oliver Neukum on 08 August 2019, 14:21:19 UTC
usb: cdc-acm: make sure a refcount is taken early enough
Tip revision: c52873e
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