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dogbert@dogbert-VirtualBox:~$ ASAN_OPTIONS=alloc_dealloc_mismatch=0 MVM_JIT_DISABLE=1 LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libasan.so.5 perl6-gdb-m -e 'my $t = ("errors.md.tmpl" xx 1_000).join(" foo "); race for ^9_00 { my $page = $t; $page ~~ s:g[ "foo" ] = "a"; }' | |
================================================================================================ | |
This is Rakudo running in the debugger, which often allows the user to generate useful back- | |
traces to debug or report issues in Rakudo, the MoarVM backend or the currently running code. | |
This Rakudo version is 2021.12 built on MoarVM version 2021.12, | |
running on linuxmint (20.Ulyana) / linux | |
Type `bt full` to generate a backtrace if applicable, type `q` to quit or `help` for help. | |
------------------------------------------------------------------------------------------------ |
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dogbert@dogbert-VirtualBox:~$ MVM_JIT_DISABLE=1 LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libasan.so.5 perl6 -e 'my $t = ("errors.md.tmpl" xx 1_000).join(" foo "); race for ^9_00 { my $page = $t; $page ~~ s:g[ "foo" ] = "a"; }' | |
================================================================= | |
==218230==ERROR: AddressSanitizer: attempting double-free on 0x625001830900 in thread T2: | |
#0 0x7efe4160dffe in __interceptor_realloc (/usr/lib/x86_64-linux-gnu/libasan.so.5+0x10dffe) | |
#1 0x7efe4046411d in MVM_realloc src/core/alloc.h:20 | |
#2 0x7efe4046411d in set_size_internal src/6model/reprs/VMArray.c:372 | |
#3 0x7efe4046411d in MVM_VMArray_push src/6model/reprs/VMArray.c:486 | |
#4 0x7efe4034cc1c in MVM_interp_run src/core/interp.c:2095 | |
#5 0x7efe40392eb9 in start_thread src/core/threads.c:101 | |
#6 0x7efe3f9cc608 in start_thread /build/glibc-sMfBJT/glibc-2.31/nptl/pthread_create.c:477 |
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... | |
================== | |
WARNING: ThreadSanitizer: data race (pid=193074) | |
Read of size 1 at 0x7f83e48dbc4d by thread T4: | |
#0 VMArray_gc_mark src/6model/reprs/VMArray.c:90 (libmoar.so+0x36c90f) | |
#1 MVM_gc_mark_collectable src/gc/collect.c:412 (libmoar.so+0x322dc3) | |
#2 MVM_gc_root_add_gen2s_to_worklist src/gc/roots.c:350 (libmoar.so+0x31b5de) | |
#3 MVM_gc_collect src/gc/collect.c:136 (libmoar.so+0x31ecf6) | |
#4 run_gc src/gc/orchestrate.c:444 (libmoar.so+0x30b7c8) | |
#5 MVM_gc_enter_from_interrupt src/gc/orchestrate.c:734 (libmoar.so+0x30ceea) |
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dogbert@dogbert-VirtualBox:~/repos/rakudo$ ./rakudo-m --ll-exception -e 'my $t = ("errors.md.tmpl" xx 1_000).join(" foo "); race for ^5_00 { my $page = $t; $page ~~ s:g[ "foo" ] = "a"; }' | |
Type check failed in binding to parameter '<anon>'; expected List but got Match (Match.new(:orig("err...) | |
at SETTING::src/core.c/Exception.pm6:62 (/home/dogbert/repos/rakudo/blib/CORE.c.setting.moarvm:throw) | |
from gen/moar/Metamodel.nqp:60 (/home/dogbert/repos/rakudo/blib/Perl6/Metamodel.moarvm:throw_or_die) | |
from gen/moar/BOOTSTRAP/v6c.nqp:345 (/home/dogbert/repos/rakudo/blib/Perl6/BOOTSTRAP/v6c.moarvm:) | |
from gen/moar/BOOTSTRAP/v6c.nqp:4195 (/home/dogbert/repos/rakudo/blib/Perl6/BOOTSTRAP/v6c.moarvm:) | |
from SETTING::src/core.c/List.pm6:879 (/home/dogbert/repos/rakudo/blib/CORE.c.setting.moarvm:eager) | |
from -e:1 (<ephemeral file>:) | |
from SETTING::src/core.c/Rakudo/Internals/HyperRaceSharedImpl.pm6:59 (/home/dogbert/repos/rakudo/blib/CORE.c.setting.moarvm:process-batch) | |
from SETTING::src/core.c/Rakudo/Internals/Hy |
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[New LWP 189371] | |
[Thread debugging using libthread_db enabled] | |
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". | |
Core was generated by `/home/dogbert/repos/rakudo/nqp/MoarVM/../../install/bin/moar --execname=/home/d'. | |
Program terminated with signal SIGSEGV, Segmentation fault. | |
#0 0x00007ff804065645 in VMArray_gc_mark (tc=0x20010101200, st=0x2000118b968, data=0x20020533118, worklist=0x200240aff00) at src/6model/reprs/VMArray.c:90 | |
90 MVM_gc_worklist_add_no_include_gen2_nocheck(tc, worklist, &slots[i]); | |
[Current thread is 1 (Thread 0x7ff7f97fa700 (LWP 189372))] | |
(gdb) bt | |
#0 0x00007ff804065645 in VMArray_gc_mark (tc=0x20010101200, st=0x2000118b968, data=0x20020533118, worklist=0x200240aff00) at src/6model/reprs/VMArray.c:90 |
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dogbert@dogbert-VirtualBox:~/repos/rakudo$ ASAN_OPTIONS=detect_leaks=false ./rakudo-m -e 'my $t = ("errors.md.tmpl" xx 1_000).join(" foo "); race for ^2_000 { my $page = $t; $page ~~ s:g[ "foo" ] = "a"; }' | |
AddressSanitizer:DEADLYSIGNAL | |
================================================================= | |
==182115==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x7f0dfce351d1 bp 0x7f0dec8073a0 sp 0x7f0dec807230 T6) | |
==182115==The signal is caused by a READ memory access. | |
==182115==Hint: address points to the zero page. | |
#0 0x7f0dfce351d0 in MVM_gc_write_barrier src/gc/wb.h:10 | |
#1 0x7f0dfce351d0 in MVM_gc_write_barrier src/gc/wb.h:9 | |
#2 0x7f0dfce351d0 in log_param_type src/spesh/log.c:87 | |
#3 0x7f0dfce351d0 in log_parameter src/spesh/log.c:96 |
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dogbert@dogbert-VirtualBox:~/repos/rakudo$ gdb install/bin/moar core.moar.1000.b2d97e39327e49f583d2b42f2f4e8691.358445.1643821268000000000000 | |
GNU gdb (Ubuntu 9.2-0ubuntu1~20.04.1) 9.2 | |
Copyright (C) 2020 Free Software Foundation, Inc. | |
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> | |
This is free software: you are free to change and redistribute it. | |
There is NO WARRANTY, to the extent permitted by law. | |
Type "show copying" and "show warranty" for details. | |
This GDB was configured as "x86_64-linux-gnu". | |
Type "show configuration" for configuration details. | |
For bug reporting instructions, please see: |
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dogbert@dogbert-VirtualBox:~/repos/rakudo$ gdb install/bin/moar core.moar.1000.fe02281e586e4bf7a95818aee37796e3.500627.1642345053000000000000 | |
GNU gdb (Ubuntu 9.2-0ubuntu1~20.04) 9.2 | |
Copyright (C) 2020 Free Software Foundation, Inc. | |
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> | |
This is free software: you are free to change and redistribute it. | |
There is NO WARRANTY, to the extent permitted by law. | |
Type "show copying" and "show warranty" for details. | |
This GDB was configured as "x86_64-linux-gnu". | |
Type "show configuration" for configuration details. | |
For bug reporting instructions, please see: |
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Thread 1 "moar" hit Breakpoint 1, MVM_panic (exitCode=0, messageFormat=0x0) at src/core/exceptions.c:840 | |
840 MVM_NO_RETURN void MVM_panic(MVMint32 exitCode, const char *messageFormat, ...) { | |
(gdb) bt | |
#0 MVM_panic (exitCode=0, messageFormat=0x0) at src/core/exceptions.c:840 | |
#1 0x00007ffff7869e72 in MVM_gc_root_add_frame_registers_to_worklist (tc=0x55555555ae30, worklist=0x555557a4e5e0, frame=0x7ffff72272d8) at src/gc/roots.c:456 | |
#2 0x00007ffff7869cc3 in MVM_gc_root_add_frame_roots_to_worklist (tc=0x55555555ae30, worklist=0x555557a4e5e0, cur_frame=0x7ffff72272d8) at src/gc/roots.c:429 | |
#3 0x00007ffff78278fd in mark (tc=0x55555555ae30, from_record=0x7ffff7228240, worklist=0x555557a4e5e0, snapshot=0x0) at src/core/callstack.c:915 | |
#4 0x00007ffff78297c8 in MVM_callstack_mark_current_thread (tc=0x55555555ae30, worklist=0x555557a4e5e0, snapshot=0x0) at src/core/callstack.c:1046 | |
#5 0x00007ffff7865e9a in MVM_gc_root_add_tc_roots_to_worklist (tc=0x55555555ae30, worklist=0x555557a4e5e0, snapshot=0x0) at src/gc/roots |
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[Thread debugging using libthread_db enabled] | |
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". | |
[New Thread 0x7ffff720e700 (LWP 125092)] | |
1..63 | |
ok 1 - Simple .indent(1) | |
ok 2 - Simple .indent(2) | |
ok 3 - Simple .indent(3) | |
ok 4 - Simple .indent(4) | |
ok 5 - New indent goes after existing - .indent(1) | |
ok 6 - New indent goes after existing - .indent(2) |
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