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(parent: 9671367) | patch
octeontx2-af: cn10k: fix an array overflow in is_lmac_valid()
authorDan Carpenter <dan.carpenter@oracle.com>
Tue, 2 Mar 2021 11:21:54 +0000 (14:21 +0300)
committerDavid S. Miller <davem@davemloft.net>
Wed, 3 Mar 2021 16:44:24 +0000 (08:44 -0800)
commit574d9e89d19ec5878f0232f67a36e72595eb570c
tree93b684b11f887f208f69c8818e4ac690a983c9c8tree | snapshot
parent9671367d0c1bbb932e0e6940d450b4aeda6ce43bcommit | diff
octeontx2-af: cn10k: fix an array overflow in is_lmac_valid()

The value of "lmac_id" can be controlled by the user and if it is larger
then the number of bits in long then it reads outside the bitmap.
The highest valid value is less than MAX_LMAC_PER_CGX (4).

Fixes: 595bffe743ba ("octeontx2-af: cn10k: Add RPM MAC support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/marvell/octeontx2/af/cgx.c diff | blob | history
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