problem with glibc 2.3.2

[Folkert van Heusden]

Hi,

I've found while running multitail for a couple of days (which does quiet a
few regexecs on regular expressions which it compiles only once(!)) that
giant memory leaks occur. I traced those back (using valgrind) to glibc:

==25067== 146920 bytes in 13997 blocks are still reachable in loss record 90
of 94
==25067==    at 0x40027BAA: malloc (vg_replace_malloc.c:153)
==25067==    by 0x40365649: re_node_set_init_copy (in /lib/libc-2.3.1.so)
==25067==    by 0x40366764: create_cd_newstate (in /lib/libc-2.3.1.so)
==25067==    by 0x403662E4: re_acquire_state_context (in /lib/libc-2.3.1.so)
==25067==
==25067==
==25067== 147728 bytes in 14167 blocks are still reachable in loss record 91
of 94
==25067==    at 0x40027BAA: malloc (vg_replace_malloc.c:153)
==25067==    by 0x40365649: re_node_set_init_copy (in /lib/libc-2.3.1.so)
==25067==    by 0x40366384: create_newstate_common (in /lib/libc-2.3.1.so)
==25067==    by 0x403665C3: create_cd_newstate (in /lib/libc-2.3.1.so)
==25067==
==25067==
==25067== 167724 bytes in 13977 blocks are still reachable in loss record 92
of 94
==25067==    at 0x40027BAA: malloc (vg_replace_malloc.c:153)
==25067==    by 0x4036674E: create_cd_newstate (in /lib/libc-2.3.1.so)
==25067==    by 0x403662E4: re_acquire_state_context (in /lib/libc-2.3.1.so)
==25067==    by 0x4035FF5C: check_matching (in /lib/libc-2.3.1.so)
==25067==
==25067==
==25067== 453344 bytes in 14167 blocks are still reachable in loss record 93
of 94
==25067==    at 0x4002803A: calloc (vg_replace_malloc.c:284)
==25067==    by 0x4036636A: create_newstate_common (in /lib/libc-2.3.1.so)
==25067==    by 0x403665C3: create_cd_newstate (in /lib/libc-2.3.1.so)
==25067==    by 0x403662E4: re_acquire_state_context (in /lib/libc-2.3.1.so)


Folkert van Heusden

+--------------------------------------------------------------------------+
| UNIX sysop? Then give MultiTail ( http://www.vanheusden.com/multitail/ ) |
| a try, it brings monitoring logfiles to a different level! See:          |
| http://www.vanheusden.com/multitail/features.html for a feature list.    |
+---------------------------------------------------= www.vanheusden.com =-+