| commit | f949a12fd697479f68d99dc65e9bbab68ee49043 | [log] [tgz] |
|---|---|---|
| author | Dan Carpenter <dan.carpenter@oracle.com> | Tue Apr 30 13:44:19 2019 +0300 |
| committer | David S. Miller <davem@davemloft.net> | Tue Apr 30 11:02:37 2019 -0400 |
| tree | 983664237abc90e605ef1ba16230d74132d8f6cd | |
| parent | b13023421b5179413421333f602850914f6a7ad8 [diff] |
net: dsa: bcm_sf2: fix buffer overflow doing set_rxnfc
The "fs->location" is a u32 that comes from the user in ethtool_set_rxnfc().
We can't pass unclamped values to test_bit() or it results in an out of
bounds access beyond the end of the bitmap.
Fixes: 7318166cacad ("net: dsa: bcm_sf2: Add support for ethtool::rxnfc")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>