#1746: A way to get Rakudo to segfault
-------------------+--------------------------------------------------------
Reporter: masak | Type: bug
Status: new | Priority: major
Milestone: | Component: core
Version: 2.6.0 | Severity: medium
Keywords: | Lang: perl6
Patch: | Platform: all
-------------------+--------------------------------------------------------
Comment(by nwellnhof):
I'm getting a completely different segfault. It's in the exception
handler. Part of the error message is printed. Then there's a segfault in
the code trying to find the current source file and line number.
(gdb) run ticket1746.pir
Starting program: /usr/local/bin/parrot ticket1746.pir
[Thread debugging using libthread_db enabled]
Unable to find module 'A' in the @*INC directories.
(@*INC contains:
/home/nik/.perl6/lib
/usr/local/lib/parrot/2.7.0-devel/languages/perl6/lib
.)
Program received signal SIGSEGV, Segmentation fault.
0xb7ed056d in Parrot_Context_get_info (interp=0x8051040, ctx=0x80b3af0,
info=0xbffff334) at src/sub.c:197
197 n += op_info->op_count + var_args;
(gdb) bt
#0 0xb7ed056d in Parrot_Context_get_info (interp=0x8051040,
ctx=0x80b3af0,
info=0xbffff334) at src/sub.c:197
#1 0xb7ed0751 in Parrot_Context_infostr (interp=0x8051040, ctx=0x80b3af0)
at src/sub.c:313
#2 0xb7e8a694 in PDB_backtrace (interp=0x8051040) at src/debug.c:3247
#3 0xb7e605bc in die_from_exception (interp=0x8051040,
exception=0x9aebf20)
at src/exceptions.c:142
#4 0xb7e91a2d in Parrot_ex_throw_from_op (interp=0x8051040,
exception=0x9aebf20, dest=0xb5d4cee8) at src/exceptions.c:236
#5 0xb7e87c40 in Parrot_die_p (cur_opcode=0xb5d4cee0, interp=0x8051040)
at src/ops/core_ops.c:15813
#6 0xb7ecb095 in runops_slow_core (interp=0x8051040,
runcore_unused=0x80f1ea0, pc=0x80f7958) at src/runcore/cores.c:647
#7 0xb7eca9ae in runops_int (interp=0x8051040, offset=154)
at src/runcore/main.c:237
#8 0xb7ea035d in runops (interp=0x8051040, offs=154) at
src/call/ops.c:127
#9 0xb7e9c4c7 in Parrot_pcc_invoke_from_sig_object (interp=0x8051040,
sub_obj=0x80b3710, call_object=0x80b3af0) at src/call/pcc.c:325
#10 0xb7e91f46 in Parrot_ext_call (interp=0x8051040, sub_pmc=0x80b3710,
signature=0xb7f9cb3d "->P") at src/extend.c:322
#11 0xb7ec7200 in run_sub (interp=0x8051040, self=0x80f7958,
action=PBC_MAIN,
eval_pmc=0x0) at src/packfile.c:741
#12 do_1_sub_pragma (interp=0x8051040, self=0x80f7958, action=PBC_MAIN,
eval_pmc=0x0) at src/packfile.c:833
#13 do_sub_pragmas (interp=0x8051040, self=0x80f7958, action=PBC_MAIN,
eval_pmc=0x0) at src/packfile.c:997
#14 0xb7ec74f1 in PackFile_fixup_subs (interp=0x8051040, what=PBC_MAIN,
eval=0x0) at src/packfile.c:5051
#15 0xb7f7bea8 in imcc_run_pbc (interp=0x8051040, output_file=0x0, argc=1,
argv=0xbffff818) at compilers/imcc/main.c:413
#16 0x0804961c in main (argc=2, argv=0xbffff814) at src/main.c:149
--
Ticket URL: <https://trac.parrot.org/parrot/ticket/1746#comment:4>
Parrot <https://trac.parrot.org/parrot/>
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