RHEL7: System crash due bad dst entry
Issue
- Over unknown conditions machine crashes and then restarts
- multiple crashes occur with different back traces but all seem to be related to bad
dstentries cached insk->sk_dst_cache.
Environment
- Red Hat Enterprise Linux 7
- TCP
- not limited to but especially short lived TCP connections like for haproxy
- ICMP routing redirects
- Red Hat Enterprise Linux 6 is not affected.
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