#1357: Segfault occurs when invoked a Kernel#eval within some threads. ----------------------------------+----------------------------------------- Reporter: watson1978@… | Owner: lsansonetti@… Type: defect | Status: new Priority: blocker | Milestone: Component: MacRuby | Keywords: ----------------------------------+----------------------------------------- Test Script: {{{ #!ruby th = Thread.new { 10000.times do eval "1 + 2" end } 10000.times do eval "3 + 4" end th.join puts :ok }}} BackTrace: {{{ Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: KERN_INVALID_ADDRESS at address: 0x0000000107bc1000 0x00007fff83610380 in libunwind::LocalAddressSpace::getEncodedP () (gdb) t a a bt Thread 5 (process 27911): #0 0x00007fff834f4a2a in __workq_kernreturn () #1 0x00007fff834f4e3c in _pthread_wqthread () #2 0x00007fff834f4aa5 in start_wqthread () Thread 4 (process 27911): #0 0x00007fff834f4a2a in __workq_kernreturn () #1 0x00007fff834f4e3c in _pthread_wqthread () #2 0x00007fff834f4aa5 in start_wqthread () Thread 3 (process 27911): #0 0x00007fff834dadc2 in semaphore_wait_signal_trap () #1 0x00007fff834e040d in pthread_mutex_lock () #2 0x00000001000ee31d in RoxorCore::lock (this=0x102068200) at vm.h:852 #3 0x000000010015a6ce in RoxorCoreLock::RoxorCoreLock (this=0x10171e0cf) at vm.cpp:95 #4 0x0000000100149af4 in rb_vm_run (fname=0x10099e4d4 "(eval)", node=0x200274460, binding=0x0, inside_eval=true) at vm.cpp:4079 #5 0x000000010014a0a5 in rb_vm_run_under () at vm.cpp:4230 #6 0x000000010014a2b7 in rb_vm_eval_string (self=8590062368, klass=0, src=8592598944, binding=0x0, file=0x10099e4d4 "(eval)", line=1, should_push_outer=false) at vm.cpp:4274 #7 0x00000001000db411 in eval_string_with_should_push_outer (self=8590062368, klass=0, src=8592598944, scope=4, file=0x10099e4d4 "(eval)", line=1, should_push_outer=false) at vm_eval.c:299 #8 0x00000001000db4e0 in eval_string (self=8590062368, klass=0, src=8592598944, scope=4, file=0x10099e4d4 "(eval)", line=1) at vm_eval.c:320 #9 0x00000001000db8aa in rb_f_eval (self=8590062368, sel=0x100f27180, argc=1, argv=0x10171f380) at vm_eval.c:441 #10 0x000000010012deb3 in ruby_dispatch [inlined] () at /Users/watson/src /macruby-master/dispatcher.cpp:448 #11 0x000000010012deb3 in rb_vm_dispatch () at dispatcher.cpp:872 #12 0x00000001016006d4 in ?? () #13 0x0000000101600e71 in ?? () #14 0x0000000100134887 in __rb_vm_bcall [inlined] () at /Users/watson/src /macruby-master/dispatcher.cpp:98 #15 0x0000000100134887 in vm_block_eval [inlined] () at /Users/watson/src /macruby-master/dispatcher.cpp:1221 #16 0x0000000100134887 in rb_vm_yield_args () at dispatcher.cpp:1278 #17 0x00000001000daefd in rb_vm_yield (argc=1, argv=0x10171f928) at vm.h:697 #18 0x00000001000daed0 in rb_yield (val=19605) at vm_eval.c:183 #19 0x000000010004cdda in int_dotimes (num=40001, sel=0x100fe7370) at numeric.c:3241 #20 0x000000010012e4b4 in __rb_vm_rcall [inlined] () at /Users/watson/src /macruby-master/dispatcher.cpp:159 #21 0x000000010012e4b4 in ruby_dispatch [inlined] () at /Users/watson/src /macruby-master/dispatcher.cpp:466 #22 0x000000010012e4b4 in rb_vm_dispatch () at dispatcher.cpp:872 #23 0x00000001016006d4 in ?? () #24 0x0000000101600c01 in ?? () #25 0x0000000100132867 in __rb_vm_bcall [inlined] () at /Users/watson/src /macruby-master/dispatcher.cpp:98 #26 0x0000000100132867 in vm_block_eval [inlined] () at /Users/watson/src /macruby-master/dispatcher.cpp:1221 #27 0x0000000100132867 in rb_vm_block_eval (b=0x2000a8d40, argc=0, argv=0x0) at dispatcher.cpp:1228 #28 0x000000010014ccf7 in rb_vm_thread_run (thread=8590070112) at vm.cpp:4864 #29 0x00007fff83513fd6 in _pthread_start () #30 0x00007fff83513e89 in thread_start () Thread 2 (process 27911): #0 0x00007fff834f4a2a in __workq_kernreturn () #1 0x00007fff834f4e3c in _pthread_wqthread () #2 0x00007fff834f4aa5 in start_wqthread () Thread 1 (process 27911): #0 0x00007fff83610380 in libunwind::LocalAddressSpace::getEncodedP () #1 0x00007fff8361595c in libunwind::CFI_Parser<libunwind::LocalAddressSpace>::decodeFDE () #2 0x00007fff836105ff in _unw_add_dynamic_fde () #3 0x000000010045d009 in (anonymous namespace)::JITEmitter::finishFunction () at Type.h:511 #4 0x00000001001e3eea in (anonymous namespace)::Emitter<llvm::JITCodeEmitter>::runOnMachineFunction () at vector.tcc:300 #5 0x00000001004e270d in llvm::MachineFunctionPass::runOnFunction () at Type.h:511 #6 0x0000000100904ea0 in llvm::FPPassManager::runOnFunction () at vector.tcc:300 #7 0x000000010090503c in llvm::FunctionPassManagerImpl::run () at vector.tcc:300 #8 0x0000000100905329 in llvm::FunctionPassManager::run () at vector.tcc:300 #9 0x000000010044b80a in llvm::JIT::jitTheFunction () at vector.tcc:300 #10 0x000000010044be81 in llvm::JIT::getPointerToFunction () at vector.tcc:300 #11 0x00000001001423fa in RoxorCore::compile (this=0x102068200, func=0x108072ab0, run_optimize=true) at vm.cpp:595 #12 0x0000000100149c07 in rb_vm_run (fname=0x10099e4d4 "(eval)", node=0x200279480, binding=0x0, inside_eval=true) at vm.cpp:4111 #13 0x000000010014a0a5 in rb_vm_run_under () at vm.cpp:4230 #14 0x000000010014a2b7 in rb_vm_eval_string (self=8590062368, klass=0, src=8592570400, binding=0x0, file=0x10099e4d4 "(eval)", line=1, should_push_outer=false) at vm.cpp:4274 #15 0x00000001000db411 in eval_string_with_should_push_outer (self=8590062368, klass=0, src=8592570400, scope=4, file=0x10099e4d4 "(eval)", line=1, should_push_outer=false) at vm_eval.c:299 #16 0x00000001000db4e0 in eval_string (self=8590062368, klass=0, src=8592570400, scope=4, file=0x10099e4d4 "(eval)", line=1) at vm_eval.c:320 #17 0x00000001000db8aa in rb_f_eval (self=8590062368, sel=0x100f27180, argc=1, argv=0x7fff5fbfc6d0) at vm_eval.c:441 #18 0x000000010012deb3 in ruby_dispatch [inlined] () at /Users/watson/src /macruby-master/dispatcher.cpp:448 #19 0x000000010012deb3 in rb_vm_dispatch () at dispatcher.cpp:872 #20 0x00000001016006d4 in ?? () #21 0x0000000101600d41 in ?? () #22 0x0000000100134887 in __rb_vm_bcall [inlined] () at /Users/watson/src /macruby-master/dispatcher.cpp:98 #23 0x0000000100134887 in vm_block_eval [inlined] () at /Users/watson/src /macruby-master/dispatcher.cpp:1221 #24 0x0000000100134887 in rb_vm_yield_args () at dispatcher.cpp:1278 #25 0x00000001000daefd in rb_vm_yield (argc=1, argv=0x7fff5fbfcc78) at vm.h:697 #26 0x00000001000daed0 in rb_yield (val=19609) at vm_eval.c:183 #27 0x000000010004cdda in int_dotimes (num=40001, sel=0x100fe7370) at numeric.c:3241 #28 0x000000010012e4b4 in __rb_vm_rcall [inlined] () at /Users/watson/src /macruby-master/dispatcher.cpp:159 #29 0x000000010012e4b4 in ruby_dispatch [inlined] () at /Users/watson/src /macruby-master/dispatcher.cpp:466 #30 0x000000010012e4b4 in rb_vm_dispatch () at dispatcher.cpp:872 #31 0x00000001016006d4 in ?? () #32 0x0000000101600188 in ?? () #33 0x0000000100149ca2 in rb_vm_run (fname=0x200023a80 "/Users/watson/tmp/t.rb", node=0x200020de0, binding=0x0, inside_eval=false) at vm.cpp:4123 #34 0x000000010002858b in ruby_run_node (n=0x200020de0) at eval.c:211 #35 0x0000000100000be3 in main (argc=2, argv=0x100f1c030, envp=0x7fff5fbfde38) at main.cpp:40 (gdb) }}} -- Ticket URL: <http://www.macruby.org/trac/ticket/1357> MacRuby <http://macruby.org/>