Bug #11560
closed
crash in rb_vm_proc_envval after symbol change
Description
somewhere in "git diff c2310ba..c90550c" where was some kind of heisenbug (its hard to debug because sometimes the crash does not happen)
below is the backtrace i got from running with gdb
#0 rb_vm_proc_envval (proc=proc@entry=0x87bf20) at vm.c:725
#1 0x00007ffff797c8f5 in proc_mark (ptr=0x87bf20) at proc.c:51
#2 0x00007ffff79971ad in gc_mark_stacked_objects (incremental=, count=, objspace=) at gc.c:4464
#3 gc_mark_stacked_objects_all (objspace=) at gc.c:4504
#4 gc_marks_rest (objspace=0x6039f0) at gc.c:5327
#5 0x00007ffff79977e5 in gc_marks (full_mark=, objspace=0x6039f0) at gc.c:5387
#6 gc_start (objspace=0x6039f0, full_mark=, immediate_mark=, immediate_sweep=, reason=) at gc.c:6172
#7 0x00007ffff7999316 in heap_prepare (heap=0x603a10, objspace=0x6039f0) at gc.c:1632
#8 heap_get_freeobj_from_next_freepage (heap=, objspace=) at gc.c:1644
#9 heap_get_freeobj (heap=0x603a10, objspace=0x6039f0) at gc.c:1668
#10 newobj_of (klass=, flags=13, v1=0, v2=0, v3=0) at gc.c:1722
#11 0x00007ffff7a22dcc in match_alloc (klass=) at re.c:900
#12 rb_reg_search0 (re=9830120, str=6325000, pos=10, reverse=2, set_backref_str=8280744) at re.c:1518
#13 0x00007ffff7a72b56 in str_gsub (argc=, argv=, str=6325000, bang=1) at string.c:4540
#14 0x00007ffff7ad9a0e in vm_call0_cfunc_with_frame (ci=, cc=, argv=, calling=, th=) at vm_eval.c:131
#15 vm_call0_cfunc (argv=, cc=, ci=, calling=, th=) at vm_eval.c:148
#16 vm_call0_body (th=0x6035f0, calling=0x3, ci=0x608308, cc=0x2, cc@entry=0x7fffffffbaf0, argv=0x7fffffffbb60) at vm_eval.c:186
#17 0x00007ffff7ada66e in vm_call0 (me=, argv=0x7fffffffbb60, argc=2, id=6799, recv=6325000, th=) at vm_eval.c:61
#18 rb_call0 (recv=6325000, recv@entry=140737488337904, mid=6799, argc=argc@entry=2, argv=0x7fffffffbb60, scope=scope@entry=CALL_FCALL, self=) at vm_eval.c:351
#19 0x00007ffff7adb152 in rb_call (scope=CALL_FCALL, argv=, argc=2, mid=, recv=140737488337904) at vm_eval.c:630
#20 rb_funcall (recv=recv@entry=6325000, mid=, n=n@entry=2) at vm_eval.c:828
#21 0x00007ffff5ce3f67 in date__parse (str=6325000, comp=20) at date_parse.c:2213
#22 0x00007ffff5cc848f in date_s__parse_internal (argc=argc@entry=2, argv=argv@entry=0x7fffffffbcb0, klass=) at date_core.c:4300
#23 0x00007ffff5cdc04f in date_s__parse (klass=8699520, argv=0x7fffffffbcb0, argc=2) at date_core.c:4332
#24 datetime_s_parse (argc=1, argv=, klass=8699520) at date_core.c:7931
#25 0x00007ffff7ac635d in vm_call_cfunc_with_frame (ci=, cc=, calling=, reg_cfp=0x7ffff7fc0e10, th=) at vm_insnhelper.c:1621
#26 vm_call_cfunc (th=, reg_cfp=, calling=, ci=, cc=) at vm_insnhelper.c:1716
#27 0x00007ffff7acfba0 in vm_exec_core (th=th@entry=0x6035f0, initial=initial@entry=0) at insns.def:978
#28 0x00007ffff7ad4e0f in vm_exec (th=th@entry=0x6035f0) at vm.c:1476
#29 0x00007ffff7ad5dc9 in invoke_block_from_c (th=0x6035f0, block=, self=6711080, argc=argc@entry=1, argv=argv@entry=0x7fffffffc468, blockptr=blockptr@entry=0x0, cref=0x0, splattable=1) at vm.c:852
#30 0x00007ffff7ad610c in vm_yield (argc=, argv=, th=) at vm.c:890
#31 rb_yield_0 (argv=, argc=) at vm_eval.c:1003
#32 rb_yield (val=6326360) at vm_eval.c:1013
#33 0x00007ffff7927a2d in rb_ary_collect (ary=6326560) at array.c:2738
#34 0x00007ffff7ac635d in vm_call_cfunc_with_frame (ci=, cc=, calling=, reg_cfp=0x7ffff7fc0e90, th=) at vm_insnhelper.c:1621
#35 vm_call_cfunc (th=, reg_cfp=, calling=, ci=, cc=) at vm_insnhelper.c:1716
#36 0x00007ffff7acfac5 in vm_exec_core (th=th@entry=0x6035f0, initial=initial@entry=0) at insns.def:947
#37 0x00007ffff7ad4e0f in vm_exec (th=th@entry=0x6035f0) at vm.c:1476
#38 0x00007ffff7ad5dc9 in invoke_block_from_c (th=0x6035f0, block=, self=6711080, argc=argc@entry=1, argv=argv@entry=0x7fffffffcc18, blockptr=blockptr@entry=0x0, cref=0x0, splattable=1) at vm.c:852
#39 0x00007ffff7ad610c in vm_yield (argc=, argv=, th=) at vm.c:890
#40 rb_yield_0 (argv=, argc=) at vm_eval.c:1003
#41 rb_yield (val=9979600) at vm_eval.c:1013
#42 0x00007ffff7927a2d in rb_ary_collect (ary=6331640) at array.c:2738
#43 0x00007ffff7ac635d in vm_call_cfunc_with_frame (ci=, cc=, calling=, reg_cfp=0x7ffff7fc0f10, th=) at vm_insnhelper.c:1621
#44 vm_call_cfunc (th=, reg_cfp=, calling=, ci=, cc=) at vm_insnhelper.c:1716
#45 0x00007ffff7acfac5 in vm_exec_core (th=th@entry=0x6035f0, initial=initial@entry=0) at insns.def:947
#46 0x00007ffff7ad4e0f in vm_exec (th=th@entry=0x6035f0) at vm.c:1476
#47 0x00007ffff7ad5dc9 in invoke_block_from_c (th=0x6035f0, block=, self=6711080, argc=argc@entry=1, argv=argv@entry=0x7fffffffd3c8, blockptr=blockptr@entry=0x0, cref=0x0, splattable=1) at vm.c:852
#48 0x00007ffff7ad610c in vm_yield (argc=, argv=, th=) at vm.c:890
#49 rb_yield_0 (argv=, argc=) at vm_eval.c:1003
#50 rb_yield (val=9901160) at vm_eval.c:1013
#51 0x00007ffff7927a2d in rb_ary_collect (ary=9896720) at array.c:2738
#52 0x00007ffff7ac635d in vm_call_cfunc_with_frame (ci=, cc=, calling=0x6535b0, reg_cfp=0x7ffff7fc0f90, th=) at vm_insnhelper.c:1621
#53 vm_call_cfunc (th=th@entry=0x6035f0, reg_cfp=reg_cfp@entry=0x7ffff7fc0f90, calling=calling@entry=0x7fffffffd600, ci=, cc=) at vm_insnhelper.c:1716
#54 0x00007ffff7ad6f4e in vm_call_method (th=0x6035f0, cfp=0x7ffff7fc0f90, calling=0x7fffffffd600, ci=, cc=) at vm_insnhelper.c:2023
#55 0x00007ffff7acfac5 in vm_exec_core (th=th@entry=0x6035f0, initial=initial@entry=0) at insns.def:947
#56 0x00007ffff7ad4e0f in vm_exec (th=0x6035f0) at vm.c:1476
#57 0x00007ffff7ad9763 in rb_iseq_eval_main (iseq=iseq@entry=0x8d1f30) at vm.c:1718
#58 0x00007ffff7974e5f in ruby_exec_internal (n=0x8d1f30) at eval.c:244
#59 0x00007ffff7976f2d in ruby_exec_node (n=n@entry=0x8d1f30) at eval.c:309
#60 0x00007ffff79795ee in ruby_run_node (n=0x8d1f30) at eval.c:301
#61 0x000000000040088b in main (argc=2, argv=0x7fffffffde08) at main.c:36
Updated by Hanmac (Hans Mackowiak) over 8 years ago
- Assignee set to nobu (Nobuyoshi Nakada)
Updated by nobu (Nobuyoshi Nakada) over 8 years ago
- Status changed from Open to Closed
Applied in changeset r51996.
proc.c: fix symbol proc mark
- proc.c (proc_mark): block.ep of Proc from Symbol is now NULL.
[ruby-core:70961] [Bug #11560]