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e3f06daf3f
commit 248d3a73a0167dce15ba100477c3e778c4787178 upstream.
The current validation 'wire_order[i] > ARRAY_SIZE(config_pins)' allows
wire_order[i] to equal ARRAY_SIZE(config_pins), which causes out-of-bounds
access when used as index in 'config_pins[wire_order[i]]'.
Since config_pins has 4 elements (indices 0-3), the valid range for
wire_order should be 0-3. Fix the off-by-one error by using >= instead
of > in the validation check.
Signed-off-by: Junjie Cao <junjie.cao@intel.com>
Link: https://patch.msgid.link/20251114062817.852698-1-junjie.cao@intel.com
Fixes: bb76dc09dd ("input: ti_am33x_tsc: Order of TSC wires, made configurable")
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ulrich Hecht <uli@kernel.org>