[Mono-bugs] [Bug 567040] New: abort in mini_emit_memcpy while JITting a verified method

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Wed Dec 23 13:11:53 EST 2009


http://bugzilla.novell.com/show_bug.cgi?id=567040

http://bugzilla.novell.com/show_bug.cgi?id=567040#c0


           Summary: abort in mini_emit_memcpy while JITting a verified
                    method
    Classification: Mono
           Product: Mono: Runtime
           Version: 2.6.x
          Platform: Other
        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=334103)
 --> (http://bugzilla.novell.com/attachment.cgi?id=334103)
assembly to reproduce abort

MONO_PATH=/opt/mono/lib/moonlight/plugin/ gdb --args mono --security=core-clr
--compile-all System.Windows.sigabrt.91533.dll

** ERROR:(method-to-ir.c:1708):mini_emit_memcpy: assertion failed: (size <
10000)

Program received signal SIGABRT, Aborted.
[Switching to Thread 0x413b8950 (LWP 19443)]
0x00007fc05cbb65c5 in raise () from /lib64/libc.so.6
(gdb) bt
#0  0x00007fc05cbb65c5 in raise () from /lib64/libc.so.6
#1  0x00007fc05cbb7bb3 in abort () from /lib64/libc.so.6
#2  0x00007fc05d9e42c7 in g_assertion_message () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007fc05d9e4762 in g_assertion_message_expr () from
/usr/lib64/libglib-2.0.so.0
#4  0x000000000042f498 in mini_emit_memcpy (cfg=0xa78050, destreg=4, doffset=0,
srcreg=30, soffset=0, size=262160, align=4) at method-to-ir.c:1708
#5  0x00000000004fdb8f in mono_arch_emit_outarg_vt (cfg=0xa78050, ins=0xc44bc0,
src=0xc450d8) at mini-amd64.c:2115
#6  0x0000000000490418 in mono_decompose_vtype_opts (cfg=0xa78050) at
decompose.c:1099
#7  0x000000000041ff34 in mini_method_compile (method=0xbe5610, opts=55667199,
domain=0x7fc05defadb0, run_cctors=0, compile_aot=0, parts=0) at mini.c:3640
#8  0x00000000004a3d32 in compile_all_methods_thread_main (args=0x7fff66067be0)
at driver.c:881
#9  0x00000000005af9de in start_wrapper (data=0xa295a0) at threads.c:662
#10 0x0000000000658b53 in thread_start_routine (args=0x9fcc30) at
wthreads.c:286
#11 0x0000000000671d6e in GC_start_routine (arg=0x7fc05defbe70) at
pthread_support.c:1390
#12 0x00007fc05d13a040 in start_thread () from /lib64/libpthread.so.0
#13 0x00007fc05cc5708d in clone () from /lib64/libc.so.6
#14 0x0000000000000000 in ?? ()
(gdb) up 7
#7  0x000000000041ff34 in mini_method_compile (method=0xbe5610, opts=55667199,
domain=0x7fc05defadb0, run_cctors=0, compile_aot=0, parts=0) at mini.c:3640
3640            mono_decompose_vtype_opts (cfg);
(gdb) p method->name
$1 = 0x7fc05cb5d834 "Hydrate"
(gdb) p method->klass->name
$2 = 0x7fc05cb534cb "XamlLoader"
(gdb) p method->klass->name_space
$3 = 0x7fc05cb533b9 "Mono.Xaml"

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