happens while checking for mail..
$smm
*** glibc detected *** smm: malloc(): memory
corruption: 0x0813a168 ***
======= Backtrace: =========
/lib/libc.so.6[0x4ee990ea]
/lib/libc.so.6(calloc+0x91)[0x4ee9a1d9]
/usr/share/smm//plugins/pop3.so(pop3_List+0x102)[0xb7e26d26]
/usr/share/smm//plugins/pop3.so[0xb7e23bc8]
/lib/libpthread.so.0[0x4f07db80]
/lib/libc.so.6(__clone+0x5e)[0x4eeff9ce]
======= Memory map: ========
08048000-08071000 r-xp 00000000 16:44 832180
/usr/bin/smm
08071000-08073000 rw-p 00028000 16:44 832180
/usr/bin/smm
08073000-0815e000 rw-p 08073000 00:00 0 [heap]
4ee17000-4ee31000 r-xp 00000000 03:01 1052845
/lib/ld-2.3.5.so
4ee31000-4ee32000 r--p 00019000 03:01 1052845
/lib/ld-2.3.5.so
4ee32000-4ee33000 rw-p 0001a000 03:01 1052845
/lib/ld-2.3.5.so
4ee35000-4ef58000 r-xp 00000000 03:01 1052847
/lib/libc-2.3.5.so
4ef58000-4ef5a000 r--p 00123000 03:01 1052847
/lib/libc-2.3.5.so
4ef5a000-4ef5c000 rw-p 00125000 03:01 1052847
/lib/libc-2.3.5.so
4ef5c000-4ef5e000 rw-p 4ef5c000 00:00 0
4ef60000-4ef83000 r-xp 00000000 03:01 1052849
/lib/libm-2.3.5.so
4ef83000-4ef84000 r--p 00022000 03:01 1052849
/lib/libm-2.3.5.so
4ef84000-4ef85000 rw-p 00023000 03:01 1052849
/lib/libm-2.3.5.so
4ef87000-4ef89000 r-xp 00000000 03:01 1052853
/lib/libdl-2.3.5.so
4ef89000-4ef8a000 r--p 00001000 03:01 1052853
/lib/libdl-2.3.5.so
4ef8a000-4ef8b000 rw-p 00002000 03:01 1052853
/lib/libdl-2.3.5.so
4ef8d000-4ef9e000 r-xp 00000000 16:44 703432
/usr/lib/libadns.so.1.0
4ef9e000-4ef9f000 rw-p 00011000 16:44 703432
/usr/lib/libadns.so.1.0
4efa2000-4f072000 r-xp 00000000 16:44 562479
/usr/X11R6/lib/libX11.so.6.2
4f072000-4f076000 rw-p 000cf000 16:44 562479
/usr/X11R6/lib/libX11.so.6.2
4f078000-4f086000 r-xp 00000000 03:01 1052854
/lib/libpthread-2.3.5.so
4f086000-4f087000 r--p 0000d000 03:01 1052854
/lib/libpthread-2.3.5.so
4f087000-4f088000 rw-p 0000e000 03:01 1052854
/lib/libpthread-2.3.5.so
4f088000-4f08a000 rw-p 4f088000 00:00 0
4f08c000-4f09a000 r-xp 00000000 16:44 562562
/usr/X11R6/lib/libXext.so.6.4
4f09a000-4f09b000 rw-p 0000e000 16:44 562562
/usr/X11R6/lib/libXext.so.6.4
4f187000-4f18e000 r-xp 00000000 16:44 562522
/usr/X11R6/lib/libXrender.so.1.2.2
4f18e000-4f18f000 rw-p 00007000 16:44 562522
/usr/X11R6/lib/libXrender.so.1.2.2
4f323000-4f32c000 r-xp 00000000 16:44 562492
/usr/X11R6/lib/libXcursor.so.1.0.2
4f32c000-4f32d000 rw-p 00008000 16:44 562492
/usr/X11R6/lib/libXcursor.so.1.0.2
4f335000-4f344000 r-xp 00000000 03:01 1052503
/lib/libresolv-2.3.5.so
4f344000-4f345000 r--p 0000e000 03:01 1052503
/lib/libresolv-2.3.5.so
4f345000-4f346000 rw-p 0000f000 03:01 1052503
/lib/libresolv-2.3.5.so
4f346000-4f348000 rw-p 4f346000 00:00 0
4f350000-4f357000 r-xp 00000000 16:44 562475
/usr/X11R6/lib/libXi.so.6.0
4f357000-4f358000 rw-p 00006000 16:44 562475
/usr/X11R6/lib/libXi.so.6.0
4f37b000-4f39d000 r-xp 00000000 16:44 701065
/usr/lib/libglib-1.2.so.0.0.10
4f39d000-4f39f000 rw-p 00021000 16:44 701065
/usr/lib/libglib-1.2.so.0.0.10
4f3a1000-4f3a3000 r-xp 00000000 16:44 700437
/usr/lib/libgmodule-1.2.so.0.0.10
4f3a3000-4f3a4000 rw-p 00001000 16:44 700437
/usr/lib/libgmodule-1.2.so.0.0.10
4f3a6000-4f3df000 r-xp 00000000 16:44 700053
/usr/lib/libgdk-1.2.so.0.9.1
4f3df000-4f3e1000 rw-p 00039000 16:44 700053
/usr/lib/libgdk-1.2.so.0.9.1
4f43e000-4f583000 r-xp 00000000 16:44 654884
/usr/lib/libgtk-1.2.so.0.9.1
4f583000-4f595000 rw-p 00144000 16:44 654884
/usr/lib/libgtk-1.2.so.0.9.1
4f595000-4f596000 rw-p 4f595000 00:00 0
b3c00000-b3c21000 rw-p b3c00000 00:00 0
b3c21000-b3d00000 ---p b3c21000 00:00 0
b3db4000-b3df5000 rw-p b3df5000 00:00 0
b3e16000-b3e17000 ---p b3e16000 00:00 0
b3e17000-b4617000 rw-p b3e17000 00:00 0
b4617000-b4618000 ---p b4617000 00:00 0
b4618000-b4e18000 rw-p b4618000 00:00 0
b4e18000-b4e19000 ---p b4e18000 00:00 0
b4e19000-b5619000 rw-p b4e19000 00:00 0
b5619000-b561a000 ---p b5619000 00:00 0
b561a000-b5e1a000 rw-p b561a000 00:00 0
b5e1a000-b5e1b000Aborted
$rpm -q glibc
glibc-2.3.5-10.3
on Fedora Core 4