# New Ticket Created by Moritz Lenz
# Please include the string: [perl #63592]
# in the subject line of all future correspondence about this issue.
# <URL: http://rt.perl.org/rt3/Ticket/Display.html?id=63592 >
Rakudo 08b789048:
$ time perl6 -e 'while 1 { 0.substr(-10) }'
Segmentation fault
real 0m3.535s
0x00007fb33aebab14 in Parrot_FixedIntegerArray_get_integer
(interp=Cannot access
memory at address 0x7fff42d83ff8
)
at ./src/pmc/fixedintegerarray.c:127
127 Parrot_FixedIntegerArray_get_integer(PARROT_INTERP, PMC *pmc)
(gdb) bt
#0 0x00007fb33aebab14 in Parrot_FixedIntegerArray_get_integer
(interp=Cannot ac
cess memory at address 0x7fff42d83ff8
)
at ./src/pmc/fixedintegerarray.c:127
#1 0x00007fb33aebaac9 in Parrot_FixedIntegerArray_elements
(interp=0x16f4010,
pmc=0x2ba3f60) at ./src/pmc/fixedintegerarray.pmc:225
#2 0x00007fb33aebcc14 in Parrot_FixedIntegerArray_get_integer_keyed_int (
interp=0x16f4010, pmc=0x2ba3f60, key=0)
at ./src/pmc/fixedintegerarray.pmc:256
#3 0x00007fb33ad29486 in next_arg_sig (interp=0x16f4010,
sti=0x7fff42d841c8)
at src/call/pcc.c:717
#4 0x00007fb33ad2d9b1 in Parrot_process_args (interp=0x16f4010,
st=0x7fff42d84170, param_or_result=PARROT_PASS_PARAMS)
at src/call/pcc.c:1638
#5 0x00007fb33ad2e0eb in parrot_pass_args (interp=0x16f4010,
src_ctx=0x1c08ab0, dest_ctx=0x1bae960, src_indexes=0x7fff42d86440,
dest_indexes=0x7fff42d84290, param_or_result=PARROT_PASS_PARAMS)
at src/call/pcc.c:1882
#6 0x00007fb33aec15c8 in Parrot_Iterator_nci_set_key (interp=0x16f4010,
pmc=0x1794510)
at
/home/moritz/rakudo/parrot/tools/build/../../lib/Parrot/Pmc2c/PCCMETHOD.p
m:442
#7 0x00007fb33ae6b367 in Parrot_NCI_invoke (interp=0x16f4010,
pmc=0x1794510,
next=0x0) at ./src/pmc/nci.pmc:330
#8 0x00007fb33ad2c78e in Parrot_PCCINVOKE (interp=0x16f4010,
pmc=0x2ba45f0,
method_name=0x170d650, signature=0x7fb33b01430c "P->")
at src/call/pcc.c:2846
#9 0x00007fb33af066c4 in Parrot_FixedPMCArray_get_iter (interp=0x16f4010,
pmc=0x2ba4740) at ./src/pmc/fixedpmcarray.pmc:664
#10 0x00007fb33ad83f88 in Parrot_cx_find_handler_local (interp=0x16f4010,
task=0x2ba4650) at src/scheduler.c:881
#11 0x00007fb33ad126a3 in Parrot_ex_throw_from_c (interp=0x16f4010,
exception=0x2ba4650) at src/exceptions.c:304
#12 0x00007fb33ad12a64 in Parrot_ex_throw_from_c_args (interp=0x16f4010,
ret_addr_unused=0x0, exitcode=7,
format=0x7fb33afacb28 "Cannot take substr outside string")
at src/exceptions.c:409
#13 0x00007fb33ac924b8 in Parrot_str_substr (interp=0x16f4010,
src=0x7fb336a46368, offset=-10, length=1, d=0x397ef28, replace_dest=0)
at src/string/api.c:1155
#14 0x00007fb33acb1059 in Parrot_substr_s_s_i_i (cur_opcode=0x7fb33b3cb858,
interp=0x16f4010) at src/ops/string.ops:266
#15 0x00007fb33ad83795 in runops_slow_core (interp=0x16f4010,
pc=0x7fb33b3cb858) at src/runops_cores.c:459
#16 0x00007fb33ad332e5 in runops_int (interp=0x16f4010, offset=13078)
at src/interpreter.c:978
#17 0x00007fb33ad33dea in runops (interp=0x16f4010, offs=13078)
at src/call/ops.c:106
#18 0x00007fb33ad341c2 in runops_args (interp=0x16f4010, sub=0x2ba6060,
obj=0x1780790, meth_unused=0x0, sig=0x7fb33afbdc2c "vP",
ap=0x7fff42d889f0)
at src/call/ops.c:253
#19 0x00007fb33ad3557c in Parrot_runops_fromc_args (interp=0x16f4010,
sub=0x2ba6060, sig=0x7fb33afbdc2c "vP") at src/call/ops.c:320
#20 0x00007fb33ad1288d in Parrot_ex_throw_from_c (interp=0x16f4010,
exception=0x2ba6000) at src/exceptions.c:340
#21 0x00007fb33ad12a64 in Parrot_ex_throw_from_c_args (interp=0x16f4010,
ret_addr_unused=0x0, exitcode=7,
format=0x7fb33afacb28 "Cannot take substr outside string")
at src/exceptions.c:409
#22 0x00007fb33ac924b8 in Parrot_str_substr (interp=0x16f4010,
src=0x7fb336a48e70, offset=-10, length=1, d=0x3976628, replace_dest=0)
at src/string/api.c:1155
#23 0x00007fb33acb1059 in Parrot_substr_s_s_i_i (cur_opcode=0x7fb33b3cb858,
interp=0x16f4010) at src/ops/string.ops:266
#24 0x00007fb33ad83795 in runops_slow_core (interp=0x16f4010,
pc=0x7fb33b3cb858) at src/runops_cores.c:459
#25 0x00007fb33ad332e5 in runops_int (interp=0x16f4010, offset=13078)
at src/interpreter.c:978
#26 0x00007fb33ad33dea in runops (interp=0x16f4010, offs=13078)
at src/call/ops.c:106
...
--
Moritz Lenz
http://perlgeek.de/ | http://perl-6.de/ | http://sudokugarden.de/
