[Mono-bugs] [Bug 567084] New: sigsegv in mono_method_to_ir while JITting a verified method

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Wed Dec 23 13:55:14 EST 2009


http://bugzilla.novell.com/show_bug.cgi?id=567084

http://bugzilla.novell.com/show_bug.cgi?id=567084#c0


           Summary: sigsegv in mono_method_to_ir 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=334110)
 --> (http://bugzilla.novell.com/attachment.cgi?id=334110)
assembly to reproduce crash

Another case where mono_method_get_signature returns NULL

MONO_PATH=/opt/mono/lib/moonlight/plugin/ gdb --args mono --security=core-clr
--compile-all System.sigabrt.46399.dll

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x41474950 (LWP 21617)]
0x0000000000467d6a in mono_method_to_ir (cfg=0xa40270, method=0xa6f658,
start_bblock=0xa5a8d0, end_bblock=0xa5a9d8, return_var=0x0,
dont_inline=0xa70aa0, 
    inline_args=0x0, inline_offset=0, is_virtual_call=0) at method-to-ir.c:7531
warning: Source file is more recent than executable.
7531                n = fsig->param_count;
(gdb) bt
#0  0x0000000000467d6a in mono_method_to_ir (cfg=0xa40270, method=0xa6f658,
start_bblock=0xa5a8d0, end_bblock=0xa5a9d8, return_var=0x0,
dont_inline=0xa70aa0, 
    inline_args=0x0, inline_offset=0, is_virtual_call=0) at method-to-ir.c:7531
#1  0x000000000041f7bd in mini_method_compile (method=0xa6f658, opts=55667199,
domain=0x7faadecc6db0, run_cctors=0, compile_aot=0, parts=0) at mini.c:3402
#2  0x00000000004a3d32 in compile_all_methods_thread_main (args=0x7fffe6e349b0)
at driver.c:881
#3  0x00000000005af9de in start_wrapper (data=0xa29320) at threads.c:662
#4  0x0000000000658b53 in thread_start_routine (args=0x9fcbb0) at
wthreads.c:286
#5  0x0000000000671d6e in GC_start_routine (arg=0x7faadecc7e70) at
pthread_support.c:1390
#6  0x00007faaddf06040 in start_thread () from /lib64/libpthread.so.0
#7  0x00007faadda2308d in clone () from /lib64/libc.so.6
#8  0x0000000000000000 in ?? ()
(gdb) p fsig
$1 = (MonoMethodSignature *) 0x0

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