[Mono-bugs] [Bug 564256] New: abort in mono_arch_emit_prolog while JITting a verified method

[bugzilla_noreply at novell.com]

http://bugzilla.novell.com/show_bug.cgi?id=564256

http://bugzilla.novell.com/show_bug.cgi?id=564256#c0


           Summary: abort in mono_arch_emit_prolog while JITting a
                    verified method
    Classification: Mono
           Product: Mono: Runtime
           Version: 2.6.x
          Platform: x86-64
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: JIT
        AssignedTo: lupus at novell.com
        ReportedBy: spouliot at novell.com
         QAContact: mono-bugs at lists.ximian.com
                CC: rkumpera at novell.com
          Found By: ---
           Blocker: ---


Created an attachment (id=332317)
 --> (http://bugzilla.novell.com/attachment.cgi?id=332317)
assembly to reproduce abort

MONO_PATH=/opt/mono/lib/moonlight/plugin/ gdb --args mono --security=core-clr
--compile-all System.Windows.sigabrt.127903.dll

** ERROR:(mini-amd64.c:6161):mono_arch_emit_prolog: assertion failed:
(cfg->code_len < cfg->code_size)

Program received signal SIGABRT, Aborted.
0x00007fd8351985c5 in raise () from /lib64/libc.so.6
(gdb) bt
#0  0x00007fd8351985c5 in raise () from /lib64/libc.so.6
#1  0x00007fd835199bb3 in abort () from /lib64/libc.so.6
#2  0x00000000004c9ad3 in mono_handle_native_sigsegv (signal=6, ctx=0x40778140)
at mini-exceptions.c:1847
#3  0x00000000005561f4 in sigabrt_signal_handler (_dummy=6, info=0x40778270,
context=0x40778140) at mini-posix.c:154
#4  <signal handler called>
#5  0x00007fd8351985c5 in raise () from /lib64/libc.so.6
#6  0x00007fd835199bb3 in abort () from /lib64/libc.so.6
#7  0x00007fd835fc62c7 in g_assertion_message () from
/usr/lib64/libglib-2.0.so.0
#8  0x00007fd835fc6762 in g_assertion_message_expr () from
/usr/lib64/libglib-2.0.so.0
#9  0x00000000005405f9 in mono_arch_emit_prolog (cfg=0xa74f20) at
mini-amd64.c:6161
#10 0x000000000041e5f0 in mono_codegen (cfg=0xa74f20) at mini.c:2995
#11 0x0000000000420619 in mini_method_compile (method=0xacb818, opts=55667199,
domain=0x7fd8364dcdb0, run_cctors=0, compile_aot=0, parts=0) at mini.c:3810
#12 0x00000000004a382e in compile_all_methods_thread_main (args=0x7fff3e64a1c0)
at driver.c:881
#13 0x00000000005aef56 in start_wrapper (data=0xa265a0) at threads.c:662
#14 0x0000000000656cb3 in thread_start_routine (args=0x9f9c50) at
wthreads.c:286
#15 0x000000000066fece in GC_start_routine (arg=0x7fd8364dde70) at
pthread_support.c:1390
#16 0x00007fd83571c040 in start_thread () from /lib64/libpthread.so.0
#17 0x00007fd83523908d in clone () from /lib64/libc.so.6
#18 0x0000000000000000 in ?? ()
(gdb) up 9
#9  0x00000000005405f9 in mono_arch_emit_prolog (cfg=0xa74f20) at
mini-amd64.c:6161
6161        g_assert (cfg->code_len < cfg->code_size);
(gdb) p cfg->code_len
$1 = 11293
(gdb) p cfg->code_size
$2 = 10240
(gdb) p *cfg
$3 = {method = 0xacb818, mempool = 0xad1600, varinfo = 0xad5a00, vars =
0xae6880, ret = 0x0, bb_entry = 0xad2b50, bb_exit = 0xad2c58, bb_init =
0xaedb30, 
  bblocks = 0xaf45b0, cil_offset_to_bb = 0xad1ae0, state_pool = 0x0, cbb =
0xabcae0, prev_ins = 0x0, patch_info = 0x0, jit_info = 0x0, dynamic_info = 0x0, 
  num_bblocks = 39, locals_start = 3, num_varinfo = 19, varinfo_count = 128,
stack_offset = 4194504, max_ireg = 0, cil_offset_to_bb_len = 523, 
  locals_min_stack_offset = -4194440, locals_max_stack_offset = -40, rs =
0xa70450, spill_info = {0xb052f0, 0x0 <repeats 15 times>}, spill_count = 8, 
  spill_info_len = {16, 0 <repeats 15 times>}, inlined_method = 0x0, domainvar
= 0x0, got_var = 0x0, locals = 0xad1898, rgctx_var = 0x0, args = 0xad1690, 
  arg_types = 0xad2b38, current_method = 0xacb818, method_to_register =
0xacb818, generic_context = 0x0, vret_addr = 0x0, ip = 0x0, aliasing_info =
0x0, 
  spvars = 0x9ddb80, exvars = 0xa5fac0, ldstr_list = 0x0, domain =
0x7fd8364dcdb0, real_offset = 522, cbb_hash = 0x0, next_vreg = 483, 
  generic_sharing_context = 0x0, cil_start = 0x7fd8350a4f04 "\003:\v",
native_code = 0xb06ec0 "UH\213�SATAUAVAWH\201�", code_size = 10240, code_len =
11293, 
  prolog_end = 0, epilog_begin = 0, used_int_regs = 61448, opt = 55667199,
prof_options = 0, flags = 390, comp_done = 275, verbose_level = 0, stack_usage
= 0, 
  param_area = 0, frame_reg = 5, sig_cookie = 0, disable_aot = 0, disable_ssa =
0, disable_llvm = 0, enable_extended_bblocks = 0, run_cctors = 0, 
  need_lmf_area = 0, compile_aot = 0, compile_llvm = 0, got_var_allocated = 0,
ret_var_is_local = 0, ret_var_set = 0, globalra = 0, unverifiable = 0, 
  skip_visibility = 0, disable_reuse_registers = 0, disable_reuse_stack_slots =
0, disable_initlocals_opt = 0, disable_omit_fp = 0, disable_vreg_to_lvreg = 0, 
  disable_deadce_vars = 0, extend_live_ranges = 0, has_got_slots = 0,
uses_rgctx_reg = 0, uses_vtable_reg = 0, uses_simd_intrinsics = 0,
keep_cil_nops = 0, 
  gen_seq_points = 0, debug_info = 0x0, lmf_offset = 0, intvars = 0xad1630,
coverage_info = 0x0, token_info_hash = 0xa28b80, arch = {lmf_offset = 0, 
    localloc_offset = 0, reg_save_area_offset = 0, stack_alloc_size = 4194472,
omit_fp = 0, omit_fp_computed = 1, no_pushes = 1, cinfo = 0xad1a50, 
    async_point_count = 0, vret_addr_loc = 0x0}, inline_depth = 0,
exception_type = 0, exception_data = 0, exception_message = 0x0, exception_ptr
= 0x0, 
  encoded_unwind_ops = 0x0, encoded_unwind_ops_len = 0, unwind_ops = 0xb05b60,
reginfo = 0xb00ea0, reginfo_len = 1024, vreg_to_inst = 0xae0920, 
  vreg_to_inst_len = 512, orig_method = 0xacb818, abs_patches = 0x0,
tailcall_valuetype_addrs = 0x0, iconv_raw_var = 0x0, fconv_to_r8_x_var = 0x0, 
  simd_ctor_var = 0x0, dyn_call_var = 0x0, seq_points = 0x0, got_offset = 0}

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