noexec option and java

6 Jul 2004

      Hi,

I added "noexec=on noexec32=on" to kernel option, and when executed java, It aborted.
If not added, of course, it performed normally.

$ java

An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : 11 occurred at PC=0x8076780
Function=[Unknown.]
Library=(N/A)

NOTE: We are unable to locate the function name symbol for the error
      just occurred. Please refer to release documentation for possible
      reason and solutions.

Current Java thread:

Dynamic libraries:
08048000-0804e000 r-xp 00000000 03:05 185895                             /usr/lib/SunJava2-1.4.2/bin/java
0804e000-0804f000 rwxp 00005000 03:05 185895                             /usr/lib/SunJava2-1.4.2/bin/java
55555000-5556b000 r-xp 00000000 03:02 383                                /lib/ld-2.3.3.so
5556b000-5556c000 rwxp 00015000 03:02 383                                /lib/ld-2.3.3.so
55596000-555a3000 r-xp 00000000 03:02 410                                /lib/tls/libpthread.so.0
555a3000-555a4000 rwxp 0000d000 03:02 410                                /lib/tls/libpthread.so.0
555a6000-555a8000 r-xp 00000000 03:02 392                                /lib/libdl.so.2
555a8000-555a9000 rwxp 00002000 03:02 392                                /lib/libdl.so.2
555a9000-556b3000 r-xp 00000000 03:02 408                                /lib/tls/libc.so.6
556b3000-556bb000 rwxp 0010a000 03:02 408                                /lib/tls/libc.so.6
556bf000-55ab9000 r-xp 00000000 03:05 64506                              /usr/lib/SunJava2-1.4.2/jre/lib/i386/client/libjvm.so
55ab9000-55ad5000 rwxp 003f9000 03:05 64506                              /usr/lib/SunJava2-1.4.2/jre/lib/i386/client/libjvm.so
55ae7000-55aef000 r-xp 00000000 03:05 64534                              /usr/lib/SunJava2-1.4.2/jre/lib/i386/native_threads/libhpi.so
55aef000-55af0000 rwxp 00007000 03:05 64534                              /usr/lib/SunJava2-1.4.2/jre/lib/i386/native_threads/libhpi.so
55b10000-55b22000 r-xp 00000000 03:02 395                                /lib/libnsl.so.1
55b22000-55b23000 rwxp 00011000 03:02 395                                /lib/libnsl.so.1
55b25000-55b46000 r-xp 00000000 03:02 409                                /lib/tls/libm.so.6
55b46000-55b47000 rwxp 00020000 03:02 409                                /lib/tls/libm.so.6
55b47000-55b4b000 rwxs 00000000 03:09 694                                /tmp/hsperfdata_eshsf/5034
55b4b000-55b5b000 r-xp 00000000 03:05 64531                              /usr/lib/SunJava2-1.4.2/jre/lib/i386/libverify.so
55b5b000-55b5d000 rwxp 0000f000 03:05 64531                              /usr/lib/SunJava2-1.4.2/jre/lib/i386/libverify.so
55b70000-55b77000 r-xp 00000000 03:02 396                                /lib/libnss_compat.so.2
55b77000-55b78000 rwxp 00006000 03:02 396                                /lib/libnss_compat.so.2
55b78000-55b80000 r-xp 00000000 03:02 400                                /lib/libnss_nis.so.2
55b80000-55b81000 rwxp 00007000 03:02 400                                /lib/libnss_nis.so.2
55b81000-55b89000 r-xp 00000000 03:02 398                                /lib/libnss_files.so.2
55b89000-55b8a000 rwxp 00008000 03:02 398                                /lib/libnss_files.so.2
55b8a000-55baa000 r-xp 00000000 03:05 64517                              /usr/lib/SunJava2-1.4.2/jre/lib/i386/libjava.so
55baa000-55bac000 rwxp 0001f000 03:05 64517                              /usr/lib/SunJava2-1.4.2/jre/lib/i386/libjava.so
55bac000-55bc0000 r-xp 00000000 03:05 64532                              /usr/lib/SunJava2-1.4.2/jre/lib/i386/libzip.so
55bc0000-55bc3000 rwxp 00013000 03:05 64532                              /usr/lib/SunJava2-1.4.2/jre/lib/i386/libzip.so
55bc3000-5755b000 r-xs 00000000 03:05 64597                              /usr/lib/SunJava2-1.4.2/jre/lib/rt.jar
575a5000-575bb000 r-xs 00000000 03:05 64604                              /usr/lib/SunJava2-1.4.2/jre/lib/sunrsasign.jar
575bb000-57696000 r-xs 00000000 03:05 64553                              /usr/lib/SunJava2-1.4.2/jre/lib/jsse.jar
57696000-576a7000 r-xs 00000000 03:05 64552                              /usr/lib/SunJava2-1.4.2/jre/lib/jce.jar
576a7000-57c00000 r-xs 00000000 03:05 64451                              /usr/lib/SunJava2-1.4.2/jre/lib/charsets.jar

Heap at VM Abort:
Heap
 def new generation   total 576K, used 0K [0x59cb0000, 0x59d50000, 0x5a190000)
  eden space 512K,   0% used [0x59cb0000, 0x59cb0048, 0x59d30000)
  from space 64K,   0% used [0x59d30000, 0x59d30000, 0x59d40000)
  to   space 64K,   0% used [0x59d40000, 0x59d40000, 0x59d50000)
 tenured generation   total 1408K, used 0K [0x5a190000, 0x5a2f0000, 0x5dcb0000)
   the space 1408K,   0% used [0x5a190000, 0x5a190000, 0x5a190200, 0x5a2f0000)
 compacting perm gen  total 4096K, used 277K [0x5dcb0000, 0x5e0b0000, 0x61cb0000)
   the space 4096K,   6% used [0x5dcb0000, 0x5dcf5490, 0x5dcf5600, 0x5e0b0000)

Local Time = Tue Jul  6 20:50:37 2004
Elapsed Time = 0
#
# The exception above was detected in native code outside the VM
#
# Java VM: Java HotSpot(TM) Client VM (1.4.2_03-b02 mixed mode)
#
# An error report file has been saved as hs_err_pid5034.log.
# Please refer to the file for further information.
#
Aborted
$

$ uname -srmpo
Linux 2.6.5-7.95-smp x86_64 x86_64 GNU/Linux

I use SUSE 9.1.

$ rpm -qa | grep java2
java2-jre-1.4.2-116
java2-1.4.2-116

java installed from YaST.

Regards,
eshsf