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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2019-04-04 11:44:23 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-11 12:23:55 +0200 |
| commit | af2fb022b390da9b8e3e068bc176a1547584949f (patch) | |
| tree | b71861bdabfef382e9184848a81b8bfb31e97f82 /tools/perf/scripts/python/syscall-counts.py | |
| parent | 4b24af0936314bc0e0bd8aa6d45ea11df83db4d2 (diff) | |
mwifiex: prevent an array overflow
[ Upstream commit b4c35c17227fe437ded17ce683a6927845f8c4a4 ]
The "rate_index" is only used as an index into the phist_data->rx_rate[]
array in the mwifiex_hist_data_set() function. That array has
MWIFIEX_MAX_AC_RX_RATES (74) elements and it's used to generate some
debugfs information. The "rate_index" variable comes from the network
skb->data[] and it is a u8 so it's in the 0-255 range. We need to cap
it to prevent an array overflow.
Fixes: cbf6e05527a7 ("mwifiex: add rx histogram statistics support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions