[Mono-bugs] [Bug 705383] New: sigsegv running on mono exe, works fine on MS .NET

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Wed Jul 13 06:54:15 EDT 2011



           Summary: sigsegv running on mono exe, works fine on MS .NET
    Classification: Mono
           Product: Mono: Runtime
           Version: 2.10.x
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: Critical
          Priority: P5 - None
         Component: generics
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: ck at carlo-kok.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---

Created an attachment (id=439621)
 --> (http://bugzilla.novell.com/attachment.cgi?id=439621)
the testcase

User-Agent:       Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.1 (KHTML,
like Gecko) Chrome/13.0.782.55 Safari/535.1

OS: All but windows. Testcase works on .NET.

In the attached testcase, running it ends up as a sigsegv in generic sharing.  

Any ideas appreciated, workarounds preferred to fixes.

Mono JIT compiler version 2.10.2 (tarball Sat Apr 30 10:15:52 UTC 2011)

Reproducible: Always

Steps to Reproduce:
1. Open zip attached
2. run bin/Debug/RebirthDALicensing.exe
Actual Results:  
[ck at buurtnet 1]$ mono --verify-all --debug bin/Debug/RebirthDALicensing.exe

Native stacktrace:

        mono() [0x49134a]
        mono() [0x4e0c3f]
        mono() [0x41b187]
        /lib64/libpthread.so.0() [0x3efa40eeb0]

Debug info from gdb:

Mono support loaded.
[Thread debugging using libthread_db enabled]
[New Thread 0x7fe89b2e0700 (LWP 4105)]
[New Thread 0x7fe89c19c700 (LWP 4104)]
0x0000003efa40dfdd in read () from /lib64/libpthread.so.0
  Id   Target Id         Frame
  3    Thread 0x7fe89c19c700 (LWP 4104) "mono" 0x0000003efa40b475 in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
  2    Thread 0x7fe89b2e0700 (LWP 4105) "mono" 0x0000003efa40d520 in sem_wait
() from /lib64/libpthread.so.0
* 1    Thread 0x7fe8a25c0760 (LWP 4103) "mono" 0x0000003efa40dfdd in read ()
from /lib64/libpthread.so.0

Thread 3 (Thread 0x7fe89c19c700 (LWP 4104)):
#0  0x0000003efa40b475 in pthread_cond_wait@@GLIBC_2.3.2 () from
#1  0x00000000005dcf33 in ?? ()
#2  0x00000000005d715c in ?? ()
#3  0x00000000005db637 in ?? ()
#4  0x0000003efa407af1 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003efa0dfddd in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fe89b2e0700 (LWP 4105)):
#0  0x0000003efa40d520 in sem_wait () from /lib64/libpthread.so.0
#1  0x00000000005c1dd8 in mono_sem_wait ()
#2  0x000000000050fddb in ?? ()
#3  0x00000000005924e7 in ?? ()
#4  0x00000000005bc7d2 in ?? ()
#5  0x00000000005dc5ee in ?? ()
#6  0x0000003efa407af1 in start_thread () from /lib64/libpthread.so.0
#7  0x0000003efa0dfddd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fe8a25c0760 (LWP 4103)):
#0  0x0000003efa40dfdd in read () from /lib64/libpthread.so.0
#1  0x00000000004914e6 in ?? ()
#2  0x00000000004e0c3f in ?? ()
#3  0x000000000041b187 in ?? ()
#4  <signal handler called>
#5  0x0000000040591991 in ?? ()
#6  0x0000000040934700 in ?? ()
#7  0x0000000000000000 in ?? ()

Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.

Aborted (core dumped)

Or with gshared disbled:

[ck at buurtnet 1]$ mono --verify-all --debug --optimize=-gshared

Unhandled Exception: System.NullReferenceException: Object reference not set to
an instance of an object
(System.String key) [0x00016] in
  at RemObjects.DataAbstract.ROLicenseProvider.GetLicense
(System.ComponentModel.LicenseContext context, System.Type aType, System.Object
anInstance, Boolean aAllowExceptions) [0x00000] in <filename unknown>:0
  at System.ComponentModel.LicenseManager.privateGetLicense (System.Type type,
System.Object instance, Boolean allowExceptions, System.ComponentModel.License&
license) [0x00048] in
  at System.ComponentModel.LicenseManager.Validate (System.Type type,
System.Object instance) [0x00002] in
  at RemObjects.DataAbstract.BaseDataAdapter..ctor (IContainer aContainer)
[0x00000] in <filename unknown>:0
  at RemObjects.DataAbstract.DataAdapter..ctor (IContainer aContainer)
[0x00000] in <filename unknown>:0
  at RemObjects.DataAbstract.RemoteDataAdapter..ctor (IContainer aContainer)
[0x00000] in <filename unknown>:0
  at (wrapper remoting-invoke-with-check)
  at RebirthDALicensing.Component1.InitializeComponent () [0x00000] in
<filename unknown>:0
  at (wrapper remoting-invoke-with-check)
RebirthDALicensing.Component1:InitializeComponent ()
  at RebirthDALicensing.Component1..ctor () [0x00000] in <filename unknown>:0
  at (wrapper remoting-invoke-with-check) RebirthDALicensing.Component1:.ctor
  at RebirthDALicensing.Program.Main (System.String[] args) [0x00000] in
<filename unknown>:0

Expected Results:  

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