Issue #8353 has been reported by trevor (trevor 6).

----------------------------------------
Bug #8353: segfault with puma-1.6.3
https://bugs.ruby-lang.org/issues/8353

Author: trevor (trevor 6)
Status: Open
Priority: Normal
Assignee: 
Category: 
Target version: 
ruby -v: 2.0.0
Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN


not sure if this is helpful, but it's all I can provide.

intel xeon X5670, linux 2.6.32

---
/usr/local/lib/ruby/gems/2.0.0/gems/puma-1.6.3/lib/puma/client.rb:127: [BUG] Segmentation fault
ruby 2.0.0p0 (2013-02-24 revision 39474) [x86_64-linux]

-- Control frame information -----------------------------------------------
c:0007 p:---- s:0028 e:000027 CFUNC  :readpartial
c:0006 p:0031 s:0024 e:000023 METHOD /usr/local/lib/ruby/gems/2.0.0/gems/puma-1.6.3/lib/puma/client.rb:127
c:0005 p:0048 s:0020 e:000019 BLOCK  /usr/local/lib/ruby/gems/2.0.0/gems/puma-1.6.3/lib/puma/reactor.rb:55 [FINISH]
c:0004 p:---- s:0016 e:000015 CFUNC  :each
c:0003 p:0057 s:0013 e:000012 METHOD /usr/local/lib/ruby/gems/2.0.0/gems/puma-1.6.3/lib/puma/reactor.rb:26
c:0002 p:0015 s:0005 e:000004 BLOCK  /usr/local/lib/ruby/gems/2.0.0/gems/puma-1.6.3/lib/puma/reactor.rb:95 [FINISH]
c:0001 p:---- s:0002 e:000001 TOP    [FINISH]

/usr/local/lib/ruby/gems/2.0.0/gems/puma-1.6.3/lib/puma/reactor.rb:95:in `block in run_in_thread'
/usr/local/lib/ruby/gems/2.0.0/gems/puma-1.6.3/lib/puma/reactor.rb:26:in `run'
/usr/local/lib/ruby/gems/2.0.0/gems/puma-1.6.3/lib/puma/reactor.rb:26:in `each'
/usr/local/lib/ruby/gems/2.0.0/gems/puma-1.6.3/lib/puma/reactor.rb:55:in `block in run'
/usr/local/lib/ruby/gems/2.0.0/gems/puma-1.6.3/lib/puma/client.rb:127:in `try_to_finish'
/usr/local/lib/ruby/gems/2.0.0/gems/puma-1.6.3/lib/puma/client.rb:127:in `readpartial'

-- C level backtrace information -------------------------------------------
/usr/local/lib/libruby.so.2.0(+0x19e38a) [0x7f36f87e238a] vm_dump.c:647
/usr/local/lib/libruby.so.2.0(+0x673fc) [0x7f36f86ab3fc] error.c:283
/usr/local/lib/libruby.so.2.0(rb_bug+0xb8) [0x7f36f86ab6d8] error.c:302
/usr/local/lib/libruby.so.2.0(+0x125975) [0x7f36f8769975] signal.c:649
/lib64/libpthread.so.0() [0x3533c0f500]
/usr/local/lib/libruby.so.2.0(+0x7fa38) [0x7f36f86c3a38] gc.c:2594
/usr/local/lib/libruby.so.2.0(+0x182c17) [0x7f36f87c6c17] vm_method.c:115
/usr/local/lib/libruby.so.2.0(+0x8262e) [0x7f36f86c662e] gc.c:2946
/usr/local/lib/libruby.so.2.0(+0x83a27) [0x7f36f86c7a27] gc.c:3038
/usr/local/lib/libruby.so.2.0(+0x849b8) [0x7f36f86c89b8] gc.c:3060
/usr/local/lib/libruby.so.2.0(+0x1331bc) [0x7f36f87771bc] string.c:1335
/usr/local/lib/libruby.so.2.0(rb_str_modify_expand+0x19b) [0x7f36f87810db] string.c:1374
/usr/local/lib/libruby.so.2.0(+0x9730b) [0x7f36f86db30b] io.c:2236
/usr/local/lib/libruby.so.2.0(+0x9761b) [0x7f36f86db61b] io.c:2443
/usr/local/lib/libruby.so.2.0(+0x187019) [0x7f36f87cb019] vm_insnhelper.c:1438
/usr/local/lib/libruby.so.2.0(+0x18aba7) [0x7f36f87ceba7] insns.def:1017
/usr/local/lib/libruby.so.2.0(+0x190ddb) [0x7f36f87d4ddb] vm.c:1175
/usr/local/lib/libruby.so.2.0(rb_yield+0x8d) [0x7f36f87ddbfd] vm.c:679
/usr/local/lib/libruby.so.2.0(rb_ary_each+0x57) [0x7f36f86734b7] array.c:1678
/usr/local/lib/libruby.so.2.0(+0x187019) [0x7f36f87cb019] vm_insnhelper.c:1438
/usr/local/lib/libruby.so.2.0(+0x18b02d) [0x7f36f87cf02d] insns.def:1002
/usr/local/lib/libruby.so.2.0(+0x190ddb) [0x7f36f87d4ddb] vm.c:1175
/usr/local/lib/libruby.so.2.0(+0x192404) [0x7f36f87d6404] vm.c:648
/usr/local/lib/libruby.so.2.0(+0x19250a) [0x7f36f87d650a] vm.c:715
/usr/local/lib/libruby.so.2.0(+0x1abb8e) [0x7f36f87efb8e]
/usr/local/lib/libruby.so.2.0(+0x1abe50) [0x7f36f87efe50] thread_pthread.c:724
/lib64/libpthread.so.0() [0x3533c07851]
/lib64/libc.so.6(clone+0x6d) [0x35334e890d]



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