From: Dan Carpenter dan.carpenter@oracle.com
stable inclusion from stable-v5.10.106 commit 6d9700b445098dbbce0caff4b8cfca214cf1e757 bugzilla: https://gitee.com/openeuler/kernel/issues/I573US
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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commit fc7f750dc9d102c1ed7bbe4591f991e770c99033 upstream.
The netif_rx_ni() function frees the skb so we can't dereference it to save the skb->len.
Fixes: 61e121047645 ("staging: gdm7240: adding LTE USB driver") Cc: stable stable@vger.kernel.org Reported-by: kernel test robot lkp@intel.com Signed-off-by: Dan Carpenter dan.carpenter@oracle.com Link: https://lore.kernel.org/r/20220228074331.GA13685@kili Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Yu Liao liaoyu15@huawei.com Reviewed-by: Wei Li liwei391@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- drivers/staging/gdm724x/gdm_lte.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/gdm724x/gdm_lte.c b/drivers/staging/gdm724x/gdm_lte.c index bd5f87433404..de30262c3fae 100644 --- a/drivers/staging/gdm724x/gdm_lte.c +++ b/drivers/staging/gdm724x/gdm_lte.c @@ -76,14 +76,15 @@ static void tx_complete(void *arg)
static int gdm_lte_rx(struct sk_buff *skb, struct nic *nic, int nic_type) { - int ret; + int ret, len;
+ len = skb->len + ETH_HLEN; ret = netif_rx_ni(skb); if (ret == NET_RX_DROP) { nic->stats.rx_dropped++; } else { nic->stats.rx_packets++; - nic->stats.rx_bytes += skb->len + ETH_HLEN; + nic->stats.rx_bytes += len; }
return 0;