diff options
| -rw-r--r-- | net/core/ethtool.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c index a0f4964033d2..a3a7e9a48dff 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -347,8 +347,9 @@ static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev, if (info.cmd == ETHTOOL_GRXCLSRLALL) { if (info.rule_cnt > 0) { - rule_buf = kmalloc(info.rule_cnt * sizeof(u32), - GFP_USER); + if (info.rule_cnt <= KMALLOC_MAX_SIZE / sizeof(u32)) + rule_buf = kmalloc(info.rule_cnt * sizeof(u32), + GFP_USER); if (!rule_buf) return -ENOMEM; } |