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authorKees Cook <keescook@chromium.org>2021-06-16 12:53:59 -0700
committerSasha Levin <sashal@kernel.org>2021-06-30 08:48:58 -0400
commit45d17208cb47604c6d3c6260c96ba87aa9e11058 (patch)
treee54e656ac5b8ddf5dd0888d1205bdfdc95d7f80b
parentc844b7c40a02968e52ab9a5b9d2ae93592970d64 (diff)
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r8169: Avoid memcpy() over-reading of ETH_SS_STATS
[ Upstream commit da5ac772cfe2a03058b0accfac03fad60c46c24d ] In preparation for FORTIFY_SOURCE performing compile-time and run-time field bounds checking for memcpy(), memmove(), and memset(), avoid intentionally reading across neighboring array fields. The memcpy() is copying the entire structure, not just the first array. Adjust the source argument so the compiler can do appropriate bounds checking. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/net/ethernet/realtek/r8169.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 530b8da11960..191531a03415 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -2355,7 +2355,7 @@ static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
{
switch(stringset) {
case ETH_SS_STATS:
- memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
+ memcpy(data, rtl8169_gstrings, sizeof(rtl8169_gstrings));
break;
}
}