$ mapserv QUERY_STRING="map=sos.map&service=SOS&version=1.0.0&request=DescribeSensor&sensorid=371&outputFormat=text/xml; subtype=sensorML/1.0.0"                            
Location: http://localhost/sml/371.xml

*** glibc detected *** mapserv: double free or corruption (!prev): 0x090f3a18 ***
======= Backtrace: =========
/lib/libc.so.6[0x3357df1]
/lib/libc.so.6(cfree+0x90)[0x335b430]
mapserv[0x8065731]
mapserv[0x80658d9]
mapserv[0x8057ae9]
mapserv[0x8058cd1]
mapserv[0x8055d30]
/lib/libc.so.6(__libc_start_main+0xe0)[0x3305f70]
mapserv[0x8052961]
======= Memory map: ========
00110000-00111000 r-xp 00110000 00:00 0          [vdso]
00111000-00131000 r-xp 00000000 68:11 4194852    /usr/lib/libgd.so.2.0.0
00131000-00151000 rwxp 0001f000 68:11 4194852    /usr/lib/libgd.so.2.0.0
00151000-00155000 rwxp 00151000 00:00 0 
00155000-001b2000 r-xp 00000000 68:11 20250907   /usr/local/lib/libfreetype.so.6.3.10
001b2000-001b5000 rwxp 0005d000 68:11 20250907   /usr/local/lib/libfreetype.so.6.3.10
001b5000-001e6000 r-xp 00000000 68:11 4194421    /usr/lib/libagg.so.2.0.4
001e6000-001e9000 rwxp 00030000 68:11 4194421    /usr/lib/libagg.so.2.0.4
001e9000-001f9000 r-xp 00000000 68:11 4194423    /usr/lib/libaggfontfreetype.so.2.0.4
001f9000-001fa000 rwxp 0000f000 68:11 4194423    /usr/lib/libaggfontfreetype.so.2.0.4
001fa000-0022c000 r-xp 00000000 68:11 20250918   /usr/local/lib/libproj.so.0.5.2
0022c000-0022e000 rwxp 00031000 68:11 20250918   /usr/local/lib/libproj.so.0.5.2
0022e000-00235000 r-xp 00000000 68:11 20250703   /usr/local/lib/libgif.so.4.1.4
00235000-00236000 rwxp 00006000 68:11 20250703   /usr/local/lib/libgif.so.4.1.4
00236000-0024c000 r-xp 00000000 68:11 20613504   /usr/local/pgsql/lib/libpq.so.4.1
0024c000-0024d000 rwxp 00015000 68:11 20613504   /usr/local/pgsql/lib/libpq.so.4.1
0024d000-00254000 r-xp 00000000 68:03 10977382   /lib/librt-2.6.so
00254000-00255000 r-xp 00006000 68:03 10977382   /lib/librt-2.6.so
00255000-00256000 rwxp 00007000 68:03 10977382   /lib/librt-2.6.so
00256000-0026b000 r-xp 00000000 68:03 10977398   /lib/libnsl-2.6.so
0026b000-0026c000 r-xp 00014000 68:03 10977398   /lib/libnsl-2.6.so
0026c000-0026d000 rwxp 00015000 68:03 10977398   /lib/libnsl-2.6.so
0026d000-0026f000 rwxp 0026d000 00:00 0 
0026f000-00271000 r-xp 00000000 68:03 10977305   /lib/libcom_err.so.2.1
00271000-00272000 rwxp 00001000 68:03 10977305   /lib/libcom_err.so.2.1
00273000-00294000 r-xp 00000000 68:11 4194700    /usr/lib/libjpeg.so.62.0.0
00294000-00295000 rwxp 00020000 68:11 4194700    /usr/lib/libjpeg.so.62.0.0
00295000-002a2000 r-xp 00000000 68:11 20251791   /usr/local/lib/libgeos_c.so.1.1.1
002a2000-002a3000 rwxp 0000c000 68:11 20251791   /usr/local/lib/libgeos_c.so.1.1.1
002a3000-002ab000 r-xp 00000000 68:11 4194779    /usr/lib/libSM.so.6.0.0
002ab000-002ac000 rwxp 00007000 68:11 4194779    /usr/lib/libSM.so.6.0.0
002ac000-002ae000 r-xp 00000000 68:03 10977403   /lib/libkeyutils-1.2.so
002ae000-002af000 rwxp 00001000 68:03 10977403   /lib/libkeyutils-1.2.so
002b3000-002d2000 r-xp 00000000 68:03 10977370   /lib/libexpat.so.0.5.0
002d2000-002d4000 rwxp 0001e000 68:03 10977370   /lib/libexpat.so.0.5.0
002d4000-0033d000 r-xp 00000000 68:11 4194811    /usr/lib/libsqlite3.so.0.8.6
0033d000-0033f000 rwxp 00068000 68:11 4194811    /usr/lib/libsqlite3.so.0.8.6
0033f000-00344000 r-xp 00000000 68:03 10977393   /lib/libcrypt-2.6.so
00344000-00345000 r-xp 00004000 68:03 10977393   /lib/libcrypt-2.6.so
00345000-00346000 rwxp 00005000 68:03 10977393   /lib/libcrypt-2.6.so
00346000-0036d000 rwxp 00346000 00:00 0 
0036d000-00374000 r-xp 00000000 68:11 4194308    /usr/lib/libkrb5support.so.0.1
00374000-00375000 rwxp 00006000 68:11 4194308    /usr/lib/libkrb5support.so.0.1
00375000-00380000 r-xp 00000000 68:03 10977425   /lib/libgcc_s-4.1.2-20070925.so.1
00380000-00381000 rwxp 0000a000 68:03 10977425   /lib/libgcc_s-4.1.2-20070925.so.1
00383000-003a8000 r-xp 00000000 68:11 4194730    /usr/lib/libpng12.so.0.22.0
003a8000-003a9000 rwxp 00025000 68:11 4194730    /usr/lib/libpng12.so.0.22.0
003a9000-004c1000 r-xp 00000000 68:11 20250998   /usr/local/lib/libpdf.so.6.0.0
004c1000-004e8000 rwxp 00118000 68:11 20250998   /usr/local/lib/libpdf.so.6.0.0
004e8000-00609000 r-xp 00000000 68:11 4358945    /usr/lib/mysql/libmysqlclient.so.15.0.0
00609000-0064c000 rwxp 00120000 68:11 4358945    /usr/lib/mysql/libmysqlclient.so.15.0.0
0064c000-0068d000 r-xp 00000000 68:11 20250716   /usr/local/lib/libming.so.0.3.0beta2
0068d000-0068f000 rwxp 00041000 68:11 20250716   /usr/local/lib/libming.so.0.3.0beta2
0068f000-00691000 rwxp 0068f000 00:00 0 
00691000-006b8000 r-xp 00000000 68:11 4196927    /usr/lib/libfontconfig.so.1.2.0
006b8000-006c0000 rwxp 00027000 68:11 4196927    /usr/lib/libfontconfig.so.1.2.0
006c0000-006d7000 r-xp 00000000 68:11 4194324    /usr/lib/libICE.so.6.3.0
006d7000-006d8000 rwxp 00016000 68:11 4194324    /usr/lib/libICE.so.6.3.0
006d8000-006da000 rwxp 006d8000 00:00 0 
006dd000-0071e000 r-xp 00000000 68:03 10978027   /lib/libssl.so.0.9.8b
0071e000-00722000 rwxp 00040000 68:03 10978027   /lib/libssl.so.0.9.8b
00724000-00804000 r-xp 00000000 68:11 4194358    /usr/lib/libstdc++.so.6.0.8
00804000-00807000 r-xp 000e0000 68:11 4194358    /usr/lib/libstdc++.so.6.0.8
00807000-00809000 rwxp 000e3000 68:11 4194358    /usr/lib/libstdc++.so.6.0.8
00809000-0080f000 rwxp 00809000 00:00 0 
0080f000-0081f000 r-xp 00000000 68:03 10977374   /lib/libresolv-2.6.so
0081f000-00820000 r-xp 0000f000 68:03 10977374   /lib/libresolv-2.6.so
00820000-00821000 rwxp 00010000 68:03 10977374   /lib/libresolv-2.6.so
00821000-00823000 rwxp 00821000 00:00 0 
0082b000-00846000 r-xp 00000000 68:03 10977317   /lib/ld-2.6.so
00846000-00847000 r-xp 0001a000 68:03 10977317   /lib/ld-2.6.so
00847000-00848000 rwxp 0001b000 68:03 10977317   /lib/ld-2.6.so
00848000-00965000 r-xp 00000000 68:03 10977488   /lib/libcrypto.so.0.9.8b
00965000-00977000 rwxp 0011d000 68:03 10977488   /lib/libcrypto.so.0.9.8b
00977000-0097b000 rwxp 00977000 00:00 0 
0097b000-0099d000 r-xp 00000000 68:11 20251076   /usr/local/lib/libpng.so.3.16.0
0099d000-0099e000 rwxp 00022000 68:11 20251076   /usr/local/lib/libpng.so.3.16.0
009a0000-009c7000 r-xp 00000000 68:03 10977367   /lib/libm-2.6.so
009c7000-009c8000 r-xp 00026000 68:03 10977367   /lib/libm-2.6.so
009c8000-009c9000 rwxp 00027000 68:03 10977367   /lib/libm-2.6.so
009cb000-009ce000 r-xp 00000000 68:03 10977321   /lib/libdl-2.6.so
009ce000-009cf000 r-xp 00002000 68:03 10977321   /lib/libdl-2.6.so
009cf000-009d0000 rwxp 00003000 68:03 10977321   /lib/libdl-2.6.so
009d2000-009e6000 r-xp 00000000 68:03 10977377   /lib/libpthread-2.6.so
009e6000-009e7000 r-xp 00013000 68:03 10977377   /lib/libpthread-2.6.so
009e7000-009e8000 rwxp 00014000 68:03 10977377   /lib/libpthread-2.6.so
009e8000-009ea000 rwxp 009e8000 00:00 0 
009ff000-00a11000 r-xp 00000000 68:03 10977364   /lib/libz.so.1.2.3
00a11000-00a12000 rwxp 00011000 68:03 10977364   /lib/libz.so.1.2.3
00a14000-00a54000 r-xp 00000000 68:11 4194428    /usr/lib/libcurl.so.4.0.0
00a54000-00a55000 rwxp 00040000 68:11 4194428    /usr/lib/libcurl.so.4.0.0
00a76000-00b74000 r-xp 00000000 68:11 4194686    /usr/lib/libX11.so.6.2.0
00b74000-00b78000 rwxp 000fe000 68:11 4194686    /usr/lib/libX11.so.6.2.0
00b7a000-00b7f000 r-xp 00000000 68:11 4194685    /usr/lib/libXdmcp.so.6.0.0
00b7f000-00b80000 rwxp 00004000 68:11 4194685    /usr/lib/libXdmcp.so.6.0.0
00b82000-00b84000 r-xp 00000000 68:11 4194684    /usr/lib/libXau.so.6.0.0
00b84000-00b85000 rwxp 00001000 68:11 4194684    /usr/lib/libXau.so.6.0.0
00b9f000-00baf000 r-xp 00000000 68:11 4194737    /usr/lib/libXpm.so.4.11.0
00baf000-00bb0000 rwxp 00010000 68:11 4194737    /usr/lib/libXpm.so.4.11.0
00bb0000-01082000 r-xp 00000000 68:11 20250691   /usr/local/lib/libgdal.so.1.11.0
01082000-010d8000 rwxp 004d1000 68:11 20250691   /usr/local/lib/libgdal.so.1.11.0
010d8000-010dc000 rwxp 010d8000 00:00 0 
010dc000-01101000 r-xp 00000000 68:11 4194327    /usr/lib/libk5crypto.so.3.1
01101000-01102000 rwxp 00025000 68:11 4194327    /usr/lib/libk5crypto.so.3.1
01d35000-020fa000 r-xp 00000000 68:11 4194953    /usr/lib/libxerces-c.so.27.0
020fa000-0212d000 rwxp 003c4000 68:11 4194953    /usr/lib/libxerces-c.so.27.0
03130000-0325e000 r-xp 00000000 68:11 4194721    /usr/lib/libxml2.so.2.6.29
0325e000-03263000 rwxp 0012d000 68:11 4194721    /usr/lib/libxml2.so.2.6.29
03263000-03264000 rwxp 03263000 00:00 0 
032f0000-0343e000 r-xp 00000000 68:03 10977319   /lib/libc-2.6.so
0343e000-03440000 r-xp 0014e000 68:03 10977319   /lib/libc-2.6.so
03440000-03441000 rwxp 00150000 68:03 10977319   /lib/libc-2.6.so
03441000-03444000 rwxp 03441000 00:00 0 
0350f000-0353c000 r-xp 00000000 68:11 4194337    /usr/lib/libgssapi_krb5.so.2.2
0353c000-0353d000 rwxp 0002d000 68:11 4194337    /usr/lib/libgssapi_krb5.so.2.2
03578000-035a8000 r-xp 00000000 68:11 4194726    /usr/lib/libidn.so.11.5.22
035a8000-035a9000 rwxp 0002f000 68:11 4194726    /usr/lib/libidn.so.11.5.22
042de000-0436e000 r-xp 00000000 68:11 4194326    /usr/lib/libkrb5.so.3.3
0436e000-04371000 rwxp 0008f000 68:11 4194326    /usr/lib/libkrb5.so.3.3
051c5000-052c0000 r-xp 00000000 68:11 20251707   /usr/local/lib/libgeos.so.2.2.3
052c0000-052c5000 rwxp 000fb000 68:11 20251707   /usr/local/lib/libgeos.so.2.2.3
08048000-08173000 r-xp 00000000 68:11 20252775   /usr/local/bin/mapserv
08173000-08177000 rw-p 0012b000 68:11 20252775   /usr/local/bin/mapserv
08177000-08178000 rw-p 08177000 00:00 0 
090f2000-09113000 rw-p 090f2000 00:00 0 
b7e00000-b7e21000 rw-p b7e00000 00:00 0 
b7e21000-b7f00000 ---p b7e21000 00:00 0 
b7f6f000-b7f7b000 rw-p b7f6f000 00:00 0 
b7f86000-b7f87000 rw-p b7f86000 00:00 0 
bfafc000-bfb11000 rw-p bffea000 00:00 0          [stack]
Aborted