[bug #26788] GNUMach crashes after rpctrace exits unexpectedly

[Zheng Da]

URL:
  <http://savannah.gnu.org/bugs/?26788>

                 Summary: GNUMach crashes after rpctrace exits unexpectedly
                 Project: The GNU Hurd
            Submitted by: zhengda
            Submitted on: Fri 12 Jun 2009 11:13:56 AM GMT
                Category: GNU Mach
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: Zheng Da
        Originator Email: zhengda1936@gmail.com
             Open/Closed: Open
         Discussion Lock: Any
         Reproducibility: Every Time
              Size (loc): None
         Planned Release: None
                  Effort: 0.00
Wiki-like text discussion box: 

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Details:

When the modified rpctrace (rpctrace.c) in the attachment traces the test
program (tmp.c), which is also in the attachment, rpctrace exits unexpectedly
and GNUMach crashes along with it.

The trace after Mach crash is as follows:
(null):/boot# addr2line -e gnumach-dbg 0x1036c4 0x127881 0x103b62 0x1033a4
0x11b0d1 0x11a506 0x11a4a0 0x122f6f 0x120920 0x1207ea 0x11a33d 0x11a366
/build/buildd/gnumach-1.3.99.dfsg.cvs20090220/build-dbg/../i386/i386/trap.c:518
/build/buildd/gnumach-1.3.99.dfsg.cvs20090220/build-dbg/../vm/vm_fault.c:1499
/build/buildd/gnumach-1.3.99.dfsg.cvs20090220/build-dbg/../i386/i386/trap.c:100
/build/buildd/gnumach-1.3.99.dfsg.cvs20090220/build-dbg/../i386/i386/trap.c:633
/build/buildd/gnumach-1.3.99.dfsg.cvs20090220/build-dbg/../kern/exception.c:103
/build/buildd/gnumach-1.3.99.dfsg.cvs20090220/build-dbg/../kern/exception.c:178
/build/buildd/gnumach-1.3.99.dfsg.cvs20090220/build-dbg/../kern/exception.c:267
/build/buildd/gnumach-1.3.99.dfsg.cvs20090220/build-dbg/../kern/thread.c:1166
/build/buildd/gnumach-1.3.99.dfsg.cvs20090220/build-dbg/../kern/sched_prim.c:886
/build/buildd/gnumach-1.3.99.dfsg.cvs20090220/build-dbg/../kern/sched_prim.c:380
/build/buildd/gnumach-1.3.99.dfsg.cvs20090220/build-dbg/../kern/debug.c:150
/build/buildd/gnumach-1.3.99.dfsg.cvs20090220/build-dbg/../kern/debug.c:103




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File Attachments:


-------------------------------------------------------
Date: Fri 12 Jun 2009 11:13:57 AM GMT  Name: rpctrace.c  Size: 52kB   By:
zhengda

<http://savannah.gnu.org/bugs/download.php?file_id=18252>
-------------------------------------------------------
Date: Fri 12 Jun 2009 11:13:57 AM GMT  Name: Picture 5.png  Size: 28kB   By:
zhengda

<http://savannah.gnu.org/bugs/download.php?file_id=18253>
-------------------------------------------------------
Date: Fri 12 Jun 2009 11:13:57 AM GMT  Name: tmp.c  Size: 3kB   By: zhengda

<http://savannah.gnu.org/bugs/download.php?file_id=18254>

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