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authorEric Dumazet2024-05-10 07:29:32 +0000
committerJakub Kicinski2024-05-13 13:53:01 -0700
commit1af7f88af269c4e06a4dc3bc920ff6cdf7471124 (patch)
treee1512b0d3b87964022d45e950827eca7c631ee3b /include
parentc9f9df3f6347b33ae770747c40bae38836e3658c (diff)
inet: fix inet_fill_ifaddr() flags truncation
I missed that (struct ifaddrmsg)->ifa_flags was only 8bits, while (struct in_ifaddr)->ifa_flags is 32bits. Use a temporary 32bit variable as I did in set_ifa_lifetime() and check_lifetime(). Fixes: 3ddc2231c810 ("inet: annotate data-races around ifa->ifa_flags") Reported-by: Yu Watanabe <watanabe.yu@gmail.com> Dianosed-by: Yu Watanabe <watanabe.yu@gmail.com> Closes: https://github.com/systemd/systemd/pull/32666#issuecomment-2103977928 Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Larysa Zaremba <larysa.zaremba@intel.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://lore.kernel.org/r/20240510072932.2678952-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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