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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-05-17 14:02:08 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-05-17 14:02:08 +0200
commite6a62f955681c58f49b1ce74222d6670fb55bb33 (patch)
treeb7122202e22b1bbd8bd0e9b762e1675de8d2ea42 /net/packet/af_packet.c
parent7e55399235e88fa56bc2763d1d900e75e582d114 (diff)
parent170014a900a54d2c44ba6aacd3acda1733018c69 (diff)
downloadlinux-stable-linux-rolling-stable.tar.gz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/packet/af_packet.c')
-rw-r--r--net/packet/af_packet.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index ecd9fc27e360..b8c62d88567b 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2034,7 +2034,7 @@ retry:
goto retry;
}
- if (!dev_validate_header(dev, skb->data, len)) {
+ if (!dev_validate_header(dev, skb->data, len) || !skb->len) {
err = -EINVAL;
goto out_unlock;
}