Christophe JAILLET 351c8d8650 usb: early: xhci-dbc: Fix a potential out-of-bound memory access ...

[ Upstream commit a4a97ab3db ]

If xdbc_bulk_write() fails, the values in 'buf' can be anything. So the
string is not guaranteed to be NULL terminated when xdbc_trace() is called.

Reserve an extra byte, which will be zeroed automatically because 'buf' is
a static variable, in order to avoid troubles, should it happen.

Fixes: aeb9dd1de9 ("usb/early: Add driver for xhci debug capability")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/d6a7562c5e839a195cee85db6dc81817f9372cb1.1675016180.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2023-03-10 09:33:35 +01:00

..

ehci-dbgp.c

usb: early: ehci-dbgp: convert to readl_poll_timeout_atomic()

2020-09-25 16:29:09 +02:00

Makefile

USB: add SPDX identifiers to all remaining Makefiles

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

xhci-dbc.c

usb: early: xhci-dbc: Fix a potential out-of-bound memory access

2023-03-10 09:33:35 +01:00

xhci-dbc.h

Merge 5.7-rc3 into usb-next

2020-04-27 09:32:30 +02:00