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(parent: 1cccf9d) | patch
Bluetooth: RFCOMM: fix ODEBUG bug in rfcomm_dev_ioctl
authorQiujun Huang <hqjagain@gmail.com>
Sun, 8 Mar 2020 09:45:27 +0000 (17:45 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 13 Apr 2020 08:32:57 +0000 (10:32 +0200)
commit5cc241a4bb92cf2d50849bb079c438b7f9838734
treed2253b19cab4d0dd3c2cf69697b37dee163264b1tree
parent1cccf9da6adebd2751f300f598559170c7a68b20commit | diff
Bluetooth: RFCOMM: fix ODEBUG bug in rfcomm_dev_ioctl

commit 71811cac8532b2387b3414f7cd8fe9e497482864 upstream.

Needn't call 'rfcomm_dlc_put' here, because 'rfcomm_dlc_exists' didn't
increase dlc->refcnt.

Reported-by: syzbot+4496e82090657320efc6@syzkaller.appspotmail.com
Signed-off-by: Qiujun Huang <hqjagain@gmail.com>
Suggested-by: Hillf Danton <hdanton@sina.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/bluetooth/rfcomm/tty.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git