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authorColin Ian King <colin.king@canonical.com>2020-05-01 17:10:16 +0300
committerDavid S. Miller <davem@davemloft.net>2020-05-04 21:57:21 +0300
commit44d95cc6b10ff7439d45839c96c581cb4368c088 (patch)
tree2bd48e1c658e69d2db09d0b4d20ddbfc85257544 /net/atm/common.c
parenta7df4870d79b00742da6cc93ca2f336a71db77f7 (diff)
downloadlinux-44d95cc6b10ff7439d45839c96c581cb4368c088.tar.xz
net: stmmac: gmac5+: fix potential integer overflow on 32 bit multiply
The multiplication of cfg->ctr[1] by 1000000000 is performed using a 32 bit multiplication (since cfg->ctr[1] is a u32) and this can lead to a potential overflow. Fix this by making the constant a ULL to ensure a 64 bit multiply occurs. Fixes: 504723af0d85 ("net: stmmac: Add basic EST support for GMAC5+") Addresses-Coverity: ("Unintentional integer overflow") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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