[GitHub] Tienipia opened a new issue #794: binary_to_term/1 unknown_error : badarg at high rate request

[gi...@git.apache.org]

Tienipia opened a new issue #794: binary_to_term/1 unknown_error : badarg at high rate request
URL: https://github.com/apache/couchdb/issues/794
 
 
   ## Story
   When I try to request too fast to server(like over 1000req/sec), sometimes server send me 500 Interner Server Error and server log under 'Error log'. It doesn't big issue to running server but it's little bit annoying, cause I need to re-request to server.
   
   ## Possible Solution
   According to Erlang official documents, using [binary_to_term/1](http://erlang.org/doc/man/erlang.html#binary_to_term-1) under untrusted source is not recommend. Officail recommend to use [binary_to_term/2](http://erlang.org/doc/man/erlang.html#binary_to_term-2) to prevent DoS attack or high load situation.
   
   ## Environment
   * Linux couchdb-local 4.10.0-33-generic #37-Ubuntu SMP Fri Aug 11 10:55:28 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
   * v. 2.1.0-f72820910
   * 4 core / 4GB memory
   
   ## Error log
   `[error] 2017-09-06T08:28:43.948227Z couchdb@192.168.135.194 <0.22970.339> 2e191baa82 req_err(2175836054) unknown_error : badarg
       [<<"erlang:binary_to_term/1">>,<<"fabric_view_changes:do_unpack_seqs/2 L415">>,<<"fabric_view_changes:send_changes/6 L145">>,<<"fabric_view_changes:go/5 L66">>,<<"chttpd:process_request/1 L295">>,<<"chttpd:handle_request_int/1 L231">>,<<"mochiweb_http:headers/6 L91">>,<<"proc_lib:init_p_do_apply/3 L247">>]`
 
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