Michael Ho has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/9601 )

Change subject: KUDU-2305: Limit sidecars to INT_MAX and fortify socket code
......................................................................


Patch Set 2:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/9601/2/src/kudu/rpc/outbound_call.cc
File src/kudu/rpc/outbound_call.cc:

http://gerrit.cloudera.org:8080/#/c/9601/2/src/kudu/rpc/outbound_call.cc@161
PS2, Line 161:  // SerializeMessage() takes the additional_size as an int32_t. 
Protect against
             :   // any overflow.
             :   CHECK_LE(sidecar_byte_size_, 
std::numeric_limits<int32_t>::max());
> Maybe these should be DCHECKs. We know that they can't be triggered, becaus
I still find the type mismatch a bit confusing.

Given the computation of total size in SerializeMessage() is using int64_t and 
sidecar_byte_size_ is also int64_t, I don't see why we just standardize on just 
switching the type of additional_size to int64_t and skip the cast inside 
SerialzieMessage() ? What's the benefit of keeping it as int32_t given 64-bit 
machines have 64-bit registers anyway.



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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I2d041e214b15d9c22b810588643798e2b3bc5c24
Gerrit-Change-Number: 9601
Gerrit-PatchSet: 2
Gerrit-Owner: Joe McDonnell <joemcdonn...@cloudera.com>
Gerrit-Reviewer: Joe McDonnell <joemcdonn...@cloudera.com>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Michael Ho <k...@cloudera.com>
Gerrit-Reviewer: Todd Lipcon <t...@apache.org>
Gerrit-Comment-Date: Wed, 14 Mar 2018 20:22:00 +0000
Gerrit-HasComments: Yes

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