RT #129787

gistfile1.txt

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This is Rakudo Perl 6 running in valgrind, a tool for debugging and profiling programs.
Running a program in valgrind usually takes *a lot* more time than running it directly,                                                                                                                                                            
so please be patient.
This Rakudo version is 2016.09.100.g.46.e.0.ede built on MoarVM version 2016.09.15.gc.8.b.4228,
running on arch (4.7.3.1.arch) / linux (4.7.4.1.ARCH)
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==939== Memcheck, a memory error detector
==939== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al.
==939== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info
==939== Command: /home/dan/Source/perl6/install/bin/moar --full-cleanup --execname=./install/bin/perl6-valgrind-m --libpath=/home/dan/Source/perl6/install/share/nqp/lib --libpath=/home/dan/Source/perl6/install/share/perl6/lib --libpath=/home/dan/Source/perl6/install/share/perl6/runtime /home/dan/Source/perl6/install/share/perl6/runtime/perl6.moarvm t.p6
==939== 
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==939== Thread 2:
==939== Invalid read of size 8
==939==    at 0x507944D: uv__write (stream.c:844)
==939==    by 0x507A71F: uv_write2 (stream.c:1398)
==939==    by 0x4FD0614: MVM_io_syncstream_write_str (syncstream.c:200)
==939==    by 0x4FCE395: MVM_io_write_string (io.c:214)
==939==    by 0x4F95087: MVM_interp_run (interp.c:3491)
==939==    by 0x4FB571D: start_thread (threads.c:77)
==939==    by 0x507B266: uv__thread_start (thread.c:49)
==939==    by 0x5B65453: start_thread (in /usr/lib/libpthread-2.24.so)
==939==  Address 0xd059dc0 is 112 bytes inside a block of size 192 free'd
==939==    at 0x4C2AD90: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==939==    by 0x5079310: uv__write_callbacks (stream.c:940)
==939==    by 0x5079ED4: uv__stream_io (stream.c:1265)
==939==    by 0x5072302: uv__run_pending (core.c:741)
==939==    by 0x5072302: uv_run (core.c:343)
==939==    by 0x4FD0624: MVM_io_syncstream_write_str (syncstream.c:207)
==939==    by 0x4FCE395: MVM_io_write_string (io.c:214)
==939==    by 0x4F95087: MVM_interp_run (interp.c:3491)
==939==    by 0x505CC98: MVM_vm_run_file (moar.c:304)
==939==    by 0x400ED3: main (main.c:191)
==939==  Block was alloc'd at
==939==    at 0x4C29BBE: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==939==    by 0x4FD05CC: MVM_malloc (alloc.h:2)
==939==    by 0x4FD05CC: MVM_io_syncstream_write_str (syncstream.c:197)
==939==    by 0x4FCE395: MVM_io_write_string (io.c:214)
==939==    by 0x4F95087: MVM_interp_run (interp.c:3491)
==939==    by 0x4FB571D: start_thread (threads.c:77)
==939==    by 0x507B266: uv__thread_start (thread.c:49)
==939==    by 0x5B65453: start_thread (in /usr/lib/libpthread-2.24.so)
==939== 
==939== Invalid read of size 4
==939==    at 0x5079451: uv__write (stream.c:844)
==939==    by 0x507A71F: uv_write2 (stream.c:1398)
==939==    by 0x4FD0614: MVM_io_syncstream_write_str (syncstream.c:200)
==939==    by 0x4FCE395: MVM_io_write_string (io.c:214)
==939==    by 0x4F95087: MVM_interp_run (interp.c:3491)
==939==    by 0x4FB571D: start_thread (threads.c:77)
==939==    by 0x507B266: uv__thread_start (thread.c:49)
==939==    by 0x5B65453: start_thread (in /usr/lib/libpthread-2.24.so)
==939==  Address 0xd059db8 is 104 bytes inside a block of size 192 free'd
==939==    at 0x4C2AD90: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==939==    by 0x5079310: uv__write_callbacks (stream.c:940)
==939==    by 0x5079ED4: uv__stream_io (stream.c:1265)
==939==    by 0x5072302: uv__run_pending (core.c:741)
==939==    by 0x5072302: uv_run (core.c:343)
==939==    by 0x4FD0624: MVM_io_syncstream_write_str (syncstream.c:207)
==939==    by 0x4FCE395: MVM_io_write_string (io.c:214)
==939==    by 0x4F95087: MVM_interp_run (interp.c:3491)
==939==    by 0x505CC98: MVM_vm_run_file (moar.c:304)
==939==    by 0x400ED3: main (main.c:191)
==939==  Block was alloc'd at
==939==    at 0x4C29BBE: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==939==    by 0x4FD05CC: MVM_malloc (alloc.h:2)
==939==    by 0x4FD05CC: MVM_io_syncstream_write_str (syncstream.c:197)
==939==    by 0x4FCE395: MVM_io_write_string (io.c:214)
==939==    by 0x4F95087: MVM_interp_run (interp.c:3491)
==939==    by 0x4FB571D: start_thread (threads.c:77)
==939==    by 0x507B266: uv__thread_start (thread.c:49)
==939==    by 0x5B65453: start_thread (in /usr/lib/libpthread-2.24.so)
==939== 
==939== Invalid read of size 8
==939==    at 0x5079469: uv__write (stream.c:863)
==939==    by 0x507A71F: uv_write2 (stream.c:1398)
==939==    by 0x4FD0614: MVM_io_syncstream_write_str (syncstream.c:200)
==939==    by 0x4FCE395: MVM_io_write_string (io.c:214)
==939==    by 0x4F95087: MVM_interp_run (interp.c:3491)
==939==    by 0x4FB571D: start_thread (threads.c:77)
==939==    by 0x507B266: uv__thread_start (thread.c:49)
==939==    by 0x5B65453: start_thread (in /usr/lib/libpthread-2.24.so)
==939==  Address 0x18 is not stack'd, malloc'd or (recently) free'd
==939== 
==939== 
==939== Process terminating with default action of signal 11 (SIGSEGV): dumping core
==939==  Access not within mapped region at address 0x18
==939==    at 0x5079469: uv__write (stream.c:863)
==939==    by 0x507A71F: uv_write2 (stream.c:1398)
==939==    by 0x4FD0614: MVM_io_syncstream_write_str (syncstream.c:200)
==939==    by 0x4FCE395: MVM_io_write_string (io.c:214)
==939==    by 0x4F95087: MVM_interp_run (interp.c:3491)
==939==    by 0x4FB571D: start_thread (threads.c:77)
==939==    by 0x507B266: uv__thread_start (thread.c:49)
==939==    by 0x5B65453: start_thread (in /usr/lib/libpthread-2.24.so)
==939==  If you believe this happened as a result of a stack
==939==  overflow in your program's main thread (unlikely but
==939==  possible), you can try to increase the size of the
==939==  main thread stack using the --main-stacksize= flag.
==939==  The main thread stack size used in this run was 8388608.
==939== 
==939== HEAP SUMMARY:
==939==     in use at exit: 57,755,986 bytes in 221,837 blocks
==939==   total heap usage: 243,888 allocs, 22,051 frees, 71,577,372 bytes allocated
==939== 
==939== LEAK SUMMARY:
==939==    definitely lost: 8,778 bytes in 184 blocks
==939==    indirectly lost: 22,368 bytes in 668 blocks
==939==      possibly lost: 393,168 bytes in 7,020 blocks
==939==    still reachable: 57,331,672 bytes in 213,965 blocks
==939==         suppressed: 0 bytes in 0 blocks
==939== Rerun with --leak-check=full to see details of leaked memory
==939== 
==939== For counts of detected and suppressed errors, rerun with: -v
==939== ERROR SUMMARY: 3 errors from 3 contexts (suppressed: 0 from 0)