gdb.log

(gdb) r
Starting program: /home/dan/Source/perl6/install/bin/moar --libpath=blib --libpath=/home/dan/Source/perl6/install/share/nqp/lib --libpath=/home/dan/Source/perl6/install/share/nqp/lib perl6.moarvm --nqp-lib=blib --setting=NULL --ll-exception --optimize=3 --target=mbc --stagestats --output=CORE.setting.moarvm gen/moar/CORE.setting
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ffff5fcf700 (LWP 11769)]
Stage start      :   0.000
Stage parse      : 
Thread 1 "moar" hit Breakpoint 1, MVM_panic (exitCode=1, messageFormat=0x7ffff77ea1f8 "Fixed size allocator: wrong size in free, expected %lu, got %lu") at src/core/exceptions.c:686
686     void MVM_panic(MVMint32 exitCode, const char *messageFormat, ...) {
(gdb) bt
#0  MVM_panic (exitCode=1, messageFormat=0x7ffff77ea1f8 "Fixed size allocator: wrong size in free, expected %lu, got %lu") at src/core/exceptions.c:686
#1  0x00007ffff76d80b1 in MVM_fixed_size_free (tc=0x5555557589a0, al=0x555555759e70, bytes=96, to_free=0x555568797608) at src/core/fixedsizealloc.c:278
#2  0x00007ffff770418f in gc_free (tc=0x5555557589a0, obj=0x7fffef553d30) at src/6model/reprs/MVMString.c:87
#3  0x00007ffff76e7a5a in MVM_gc_collect_free_nursery_uncopied (tc=0x5555557589a0, limit=0x7fffef811fe8) at src/gc/collect.c:581
#4  0x00007ffff76e0bf9 in finish_gc (tc=0x5555557589a0, gen=0 '\000', is_coordinator=1 '\001') at src/gc/orchestrate.c:230
#5  0x00007ffff76e0fc6 in run_gc (tc=0x5555557589a0, what_to_do=0 '\000') at src/gc/orchestrate.c:363
#6  0x00007ffff76e13f5 in MVM_gc_enter_from_allocator (tc=0x5555557589a0) at src/gc/orchestrate.c:472
#7  0x00007ffff76e180d in MVM_gc_allocate_nursery (tc=0x5555557589a0, size=48) at src/gc/allocation.c:32
#8  0x00007ffff76e1710 in MVM_gc_allocate (tc=0x5555557589a0, size=48) at src/gc/allocation.h:13
#9  0x00007ffff76e188d in MVM_gc_allocate_zeroed (tc=0x5555557589a0, size=48) at src/gc/allocation.c:49
#10 0x00007ffff76e1a54 in MVM_gc_allocate_object (tc=0x5555557589a0, st=0x55555579cfd0) at src/gc/allocation.c:86
#11 0x00007ffff76fdfb0 in MVM_repr_alloc_init (tc=0x5555557589a0, type=0x5555557a9800) at src/6model/reprconv.c:17
#12 0x00007ffff778244f in MVM_string_concatenate (tc=0x5555557589a0, a=0x5555572af6d0, b=0x5555572af760) at src/strings/ops.c:715
#13 0x00007ffff769254c in MVM_interp_run (tc=0x5555557589a0, initial_invoke=0x7ffff77ab450 <toplevel_initial_invoke>, invoke_data=0x5555557d0010) at src/core/interp.c:1573
#14 0x00007ffff77ab5b5 in MVM_vm_run_file (instance=0x555555758010, filename=0x7fffffffe17f "perl6.moarvm") at src/moar.c:387
#15 0x00005555555556ab in main (argc=13, argv=0x7fffffffdd08) at src/main.c:255

valgrind.log

Stage parse      : Address 0xDF08090 len 16 defined
==27816==  Address 0xdf08090 is 0 bytes inside a block of size 20 alloc'd
==27816==    at 0x4C2DB2F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==27816==    by 0x50222A4: MVM_malloc (alloc.h:2)
==27816==    by 0x50222A4: MVM_fixed_size_alloc (fixedsizealloc.c:178)
==27816==    by 0x50BB9EF: MVM_unicode_codepoints_c_array_to_nfg_string (normalize.c:96)
==27816==    by 0x50A07A8: MVM_string_concatenate (ops.c:672)
==27816==    by 0x5006C1D: MVM_interp_run (interp.c:1573)
==27816==    by 0x50CCEF1: MVM_vm_run_file (moar.c:387)
==27816==    by 0x10941E: main (main.c:255)
**27816** Fixed size allocator: wrong size in free: expected 12, got 8   at 0x5021FB5: VALGRIND_PRINTF_BACKTRACE.constprop.2 (valgrind.h:6818)
==27816==    by 0x5022464: MVM_fixed_size_free (fixedsizealloc.c:283)
==27816==    by 0x5041A2C: gc_free (MVMString.c:87)
==27816==    by 0x502C654: MVM_gc_collect_free_nursery_uncopied (collect.c:581)
==27816==    by 0x50282F0: finish_gc (orchestrate.c:230)
==27816==    by 0x50282F0: run_gc (orchestrate.c:363)
==27816==    by 0x5028CA0: MVM_gc_enter_from_allocator (orchestrate.c:472)
==27816==    by 0x5028E57: MVM_gc_allocate_nursery (allocation.c:32)
==27816==    by 0x502912D: MVM_gc_allocate_frame (allocation.c:99)
==27816==    by 0x500E3C7: MVM_frame_move_to_heap (frame.c:624)
==27816==    by 0x500E7EF: MVM_frame_force_to_heap (frame.h:193)
==27816==    by 0x500E7EF: allocate_frame (frame.c:241)
==27816==    by 0x500E983: MVM_frame_invoke (frame.c:484)
==27816==    by 0x504CD12: invoke_handler (MVMCode.c:10)
Address 0x277D98F0 len 104 not defined:
Uninitialised value at 0x277D990C
==27816==  Address 0x277d98f0 is 0 bytes inside a block of size 152 alloc'd
==27816==    at 0x4C2DB2F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==27816==    by 0x50222A4: MVM_malloc (alloc.h:2)
==27816==    by 0x50222A4: MVM_fixed_size_alloc (fixedsizealloc.c:178)
==27816==    by 0x50A04C8: allocate_strands (ops.c:152)
==27816==    by 0x50A04C8: MVM_string_concatenate (ops.c:715)
==27816==    by 0x5006C1D: MVM_interp_run (interp.c:1573)
==27816==    by 0x50CCEF1: MVM_vm_run_file (moar.c:387)
==27816==    by 0x10941E: main (main.c:255)
**27816** Fixed size allocator: wrong size in free: expected 144, got 96   at 0x5021FB5: VALGRIND_PRINTF_BACKTRACE.constprop.2 (valgrind.h:6818)
==27816==    by 0x5022464: MVM_fixed_size_free (fixedsizealloc.c:283)
==27816==    by 0x5041A2C: gc_free (MVMString.c:87)
==27816==    by 0x502C654: MVM_gc_collect_free_nursery_uncopied (collect.c:581)
==27816==    by 0x50282F0: finish_gc (orchestrate.c:230)
==27816==    by 0x50282F0: run_gc (orchestrate.c:363)
==27816==    by 0x5028CA0: MVM_gc_enter_from_allocator (orchestrate.c:472)
==27816==    by 0x5028E57: MVM_gc_allocate_nursery (allocation.c:32)
==27816==    by 0x502912D: MVM_gc_allocate_frame (allocation.c:99)
==27816==    by 0x500E3C7: MVM_frame_move_to_heap (frame.c:624)
==27816==    by 0x500E7EF: MVM_frame_force_to_heap (frame.h:193)
==27816==    by 0x500E7EF: allocate_frame (frame.c:241)
==27816==    by 0x500E983: MVM_frame_invoke (frame.c:484)
==27816==    by 0x504CD12: invoke_handler (MVMCode.c:10)

valgrind2.log

==17516== Memcheck, a memory error detector
==17516== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al.
==17516== Using Valgrind-3.12.0 and LibVEX; rerun with -h for copyright info
==17516== Command: /home/dan/Source/perl6/install/bin/moar --libpath=blib --libpath=/home/dan/Source/perl6/install/share/nqp/lib --libpath=/home/dan/Source/perl6/install/share/nqp/lib perl6.moarvm --nqp-lib=blib --setting=NULL --ll-exception --optimize=3 --target=mbc --stagestats --output=CORE.setting.moarvm gen/moar/CORE.setting
==17516== 
Stage start      :   0.000
Stage parse      : Address 0x1EEB8440 len 16 defined
==17516==  Address 0x1eeb8440 is 0 bytes inside a block of size 20 alloc'd
==17516==    at 0x4C2DB2F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==17516==    by 0x50222A4: MVM_malloc (alloc.h:2)
==17516==    by 0x50222A4: MVM_fixed_size_alloc (fixedsizealloc.c:178)
==17516==    by 0x50BB9C9: MVM_unicode_codepoints_c_array_to_nfg_string (normalize.c:98)
==17516==    by 0x50A07A8: MVM_string_concatenate (ops.c:672)
==17516==    by 0x5006C1D: MVM_interp_run (interp.c:1573)
==17516==    by 0x50CCE81: MVM_vm_run_file (moar.c:387)
==17516==    by 0x10941E: main (main.c:255)
**17516** Fixed size allocator: wrong size in free: expected 12, got 8   at 0x5021FB5: VALGRIND_PRINTF_BACKTRACE.constprop.2 (valgrind.h:6818)
==17516==    by 0x5022464: MVM_fixed_size_free (fixedsizealloc.c:283)
==17516==    by 0x5041A2C: gc_free (MVMString.c:87)
==17516==    by 0x502C654: MVM_gc_collect_free_nursery_uncopied (collect.c:581)
==17516==    by 0x50282F0: finish_gc (orchestrate.c:230)
==17516==    by 0x50282F0: run_gc (orchestrate.c:363)
==17516==    by 0x5028CA0: MVM_gc_enter_from_allocator (orchestrate.c:472)
==17516==    by 0x5028E57: MVM_gc_allocate_nursery (allocation.c:32)
==17516==    by 0x502909A: MVM_gc_allocate_object (allocation.c:86)
==17516==    by 0x503D592: MVM_repr_alloc_init (reprconv.c:17)
==17516==    by 0x50578FE: MVM_nfa_run_proto (NFA.c:753)
==17516==    by 0x50064C2: MVM_interp_run (interp.c:1759)
==17516==    by 0x50CCE81: MVM_vm_run_file (moar.c:387)
Address 0x24A1D800 len 104 not defined:
Uninitialised value at 0x24A1D81C
==17516==  Address 0x24a1d800 is 0 bytes inside a block of size 152 alloc'd
==17516==    at 0x4C2DB2F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==17516==    by 0x50222A4: MVM_malloc (alloc.h:2)
==17516==    by 0x50222A4: MVM_fixed_size_alloc (fixedsizealloc.c:178)
==17516==    by 0x50A04C8: allocate_strands (ops.c:152)
==17516==    by 0x50A04C8: MVM_string_concatenate (ops.c:715)
==17516==    by 0x5006C1D: MVM_interp_run (interp.c:1573)
==17516==    by 0x50CCE81: MVM_vm_run_file (moar.c:387)
==17516==    by 0x10941E: main (main.c:255)
**17516** Fixed size allocator: wrong size in free: expected 144, got 96   at 0x5021FB5: VALGRIND_PRINTF_BACKTRACE.constprop.2 (valgrind.h:6818)
==17516==    by 0x5022464: MVM_fixed_size_free (fixedsizealloc.c:283)
==17516==    by 0x5041A2C: gc_free (MVMString.c:87)
==17516==    by 0x502C654: MVM_gc_collect_free_nursery_uncopied (collect.c:581)
==17516==    by 0x50282F0: finish_gc (orchestrate.c:230)
==17516==    by 0x50282F0: run_gc (orchestrate.c:363)
==17516==    by 0x5028CA0: MVM_gc_enter_from_allocator (orchestrate.c:472)
==17516==    by 0x5028E57: MVM_gc_allocate_nursery (allocation.c:32)
==17516==    by 0x502909A: MVM_gc_allocate_object (allocation.c:86)
==17516==    by 0x503D592: MVM_repr_alloc_init (reprconv.c:17)
==17516==    by 0x50578FE: MVM_nfa_run_proto (NFA.c:753)
==17516==    by 0x50064C2: MVM_interp_run (interp.c:1759)
==17516==    by 0x50CCE81: MVM_vm_run_file (moar.c:387)

valgrind3.log

Address 0x4453A8D0 len 104 not defined:
Uninitialised value at 0x4453A8EC
==25628==  Address 0x4453a8d0 is 0 bytes inside a block of size 152 alloc'd
==25628==    at 0x4C2DB2F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==25628==    by 0x50222A4: MVM_malloc (alloc.h:2)
==25628==    by 0x50222A4: MVM_fixed_size_alloc (fixedsizealloc.c:178)
==25628==    by 0x50A04C8: allocate_strands (ops.c:152)
==25628==    by 0x50A04C8: MVM_string_concatenate (ops.c:715)
==25628==    by 0x5006C1D: MVM_interp_run (interp.c:1573)
==25628==    by 0x50CCED1: MVM_vm_run_file (moar.c:387)
==25628==    by 0x10941E: main (main.c:255)
**25628** Fixed size allocator: wrong size in free: expected 144, got 96   at 0x5021FB5: VALGRIND_PRINTF_BACKTRACE.constprop.2 (valgrind.h:6818)
==25628==    by 0x5022464: MVM_fixed_size_free (fixedsizealloc.c:283)
==25628==    by 0x5041A2C: gc_free (MVMString.c:87)
==25628==    by 0x502C654: MVM_gc_collect_free_nursery_uncopied (collect.c:581)
==25628==    by 0x50282F0: finish_gc (orchestrate.c:230)
==25628==    by 0x50282F0: run_gc (orchestrate.c:363)
==25628==    by 0x5028CA0: MVM_gc_enter_from_allocator (orchestrate.c:472)
==25628==    by 0x5028E57: MVM_gc_allocate_nursery (allocation.c:32)
==25628==    by 0x502909A: MVM_gc_allocate_object (allocation.c:86)
==25628==    by 0x500471E: MVM_interp_run (interp.c:1857)
==25628==    by 0x50CCED1: MVM_vm_run_file (moar.c:387)
==25628==    by 0x10941E: main (main.c:255)

valgrind4.log

Stage parse      : Address 0x18698BB0 len 48 defined
==26930==  Address 0x18698bb0 is 0 bytes inside a block of size 56 alloc'd
==26930==    at 0x4C2DB2F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==26930==    by 0x5026004: MVM_malloc (alloc.h:2)
==26930==    by 0x5026004: MVM_fixed_size_alloc (fixedsizealloc.c:178)
==26930==    by 0x509ACAE: MVM_string_utf8_decode (utf8.c:183)
==26930==    by 0x500ECF4: MVM_cu_obtain_string (compunit.c:240)
==26930==    by 0x500F83A: MVM_cu_string (compunit.h:10)
==26930==    by 0x500F83A: get_heap_string (bytecode.c:131)
==26930==    by 0x500F83A: MVM_bytecode_finish_frame (bytecode.c:620)
==26930==    by 0x50118AF: prepare_and_verify_static_frame (frame.c:29)
==26930==    by 0x50118AF: instrumentation_level_barrier (frame.c:92)
==26930==    by 0x5012609: MVM_frame_invoke (frame.c:379)
==26930==    by 0x5050B52: invoke_handler (MVMCode.c:10)
==26930==    by 0x4FF8D2C: MVM_interp_run (interp.c:990)
==26930==    by 0x50D0EB1: MVM_vm_run_file (moar.c:400)
==26930==    by 0x10941E: main (main.c:257)
**26930** Fixed size allocator: wrong size in free: expected 48, got 40   at 0x5025D15: VALGRIND_PRINTF_BACKTRACE.constprop.2 (valgrind.h:6818)
==26930==    by 0x50261C4: MVM_fixed_size_free (fixedsizealloc.c:283)
==26930==    by 0x504586C: gc_free (MVMString.c:87)
==26930==    by 0x50306D5: MVM_gc_collect_free_gen2_unmarked (collect.c:703)
==26930==    by 0x502C359: finish_gc (orchestrate.c:220)
==26930==    by 0x502C359: run_gc (orchestrate.c:363)
==26930==    by 0x502CAA0: MVM_gc_enter_from_allocator (orchestrate.c:472)
==26930==    by 0x502CC57: MVM_gc_allocate_nursery (allocation.c:32)
==26930==    by 0x502CF2D: MVM_gc_allocate_frame (allocation.c:99)
==26930==    by 0x50124DB: allocate_frame (frame.c:242)
==26930==    by 0x50126D3: MVM_frame_invoke (frame.c:487)
==26930==    by 0x5012F15: MVM_frame_invoke_code (frame.c:363)
==26930==    by 0x108011FF: ???
Address 0x17EC39C0 len 52 defined
==26930==  Address 0x17ec39c0 is 0 bytes inside a block of size 60 alloc'd
==26930==    at 0x4C2DB2F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==26930==    by 0x5026004: MVM_malloc (alloc.h:2)
==26930==    by 0x5026004: MVM_fixed_size_alloc (fixedsizealloc.c:178)
==26930==    by 0x509ACAE: MVM_string_utf8_decode (utf8.c:183)
==26930==    by 0x500ECF4: MVM_cu_obtain_string (compunit.c:240)
==26930==    by 0x500F83A: MVM_cu_string (compunit.h:10)
==26930==    by 0x500F83A: get_heap_string (bytecode.c:131)
==26930==    by 0x500F83A: MVM_bytecode_finish_frame (bytecode.c:620)
==26930==    by 0x50118AF: prepare_and_verify_static_frame (frame.c:29)
==26930==    by 0x50118AF: instrumentation_level_barrier (frame.c:92)
==26930==    by 0x5012609: MVM_frame_invoke (frame.c:379)
==26930==    by 0x5050B52: invoke_handler (MVMCode.c:10)
==26930==    by 0x4FF8D2C: MVM_interp_run (interp.c:990)
==26930==    by 0x50D0EB1: MVM_vm_run_file (moar.c:400)
==26930==    by 0x10941E: main (main.c:257)
**26930** Fixed size allocator: wrong size in free: expected 52, got 44   at 0x5025D15: VALGRIND_PRINTF_BACKTRACE.constprop.2 (valgrind.h:6818)
==26930==    by 0x50261C4: MVM_fixed_size_free (fixedsizealloc.c:283)
==26930==    by 0x504586C: gc_free (MVMString.c:87)
==26930==    by 0x50306D5: MVM_gc_collect_free_gen2_unmarked (collect.c:703)
==26930==    by 0x502C359: finish_gc (orchestrate.c:220)
==26930==    by 0x502C359: run_gc (orchestrate.c:363)
==26930==    by 0x502CAA0: MVM_gc_enter_from_allocator (orchestrate.c:472)
==26930==    by 0x502CC57: MVM_gc_allocate_nursery (allocation.c:32)
==26930==    by 0x502CF2D: MVM_gc_allocate_frame (allocation.c:99)
==26930==    by 0x50124DB: allocate_frame (frame.c:242)
==26930==    by 0x50126D3: MVM_frame_invoke (frame.c:487)
==26930==    by 0x5012F15: MVM_frame_invoke_code (frame.c:363)
==26930==    by 0x108011FF: ???