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| /linux/net/ipv4/ |
| H A D | devinet.c | diff 6a9e9cea4c51dd7137f381710bb42e2ad6e7e285 Thu Jun 27 14:03:32 CEST 2019 Florian Westphal <fw@strlen.de> net: ipv4: fix infinite loop on secondary addr promotion
secondary address promotion causes infinite loop -- it arranges
for ifa->ifa_next to point back to itself.
Problem is that 'prev_prom' and 'last_prim' might point at the same entry,
so 'last_sec' pointer must be obtained after prev_prom->next update.
Fixes: 2638eb8b50cf ("net: ipv4: provide __rcu annotation for ifa_list")
Reported-by: Ran Rozenstein <ranro@mellanox.com>
Reported-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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