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(parent: 2638a67) | patch
USB: serial: mos7840: fix status-register error handling
authorJohan Hovold <johan@kernel.org>
Wed, 4 Jul 2018 15:02:17 +0000 (17:02 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 17 Jul 2018 09:31:43 +0000 (11:31 +0200)
commitdd1496f3b50316927b60a1baf4c06853f8c6cbdc
tree6b90c8e8a4e372159c07a61beceb6b5bd4c337actree | snapshot
parent2638a67a0c50a97e0564491325c24c2c12083dbbcommit | diff
USB: serial: mos7840: fix status-register error handling

commit 794744abfffef8b1f3c0c8a4896177d6d13d653d upstream.

Add missing transfer-length sanity check to the status-register
completion handler to avoid leaking bits of uninitialised slab data to
user space.

Fixes: 3f5429746d91 ("USB: Moschip 7840 USB-Serial Driver")
Cc: stable <stable@vger.kernel.org> # 2.6.19
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/serial/mos7840.c diff | blob | history
Mirror: https://github.com/0ranko0P/kernel_xiaomi_msm8998/
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