[Kolab-devel] apache double free or corruption error
Gavin McCullagh
gavin.mccullagh at gcd.ie
Mon Jul 18 09:36:01 CEST 2011
Hi guys,
I noticed an apache backtrace in our logs this morning. It's the first time
I've seen it and I'm not overly concerned, but in case it's something
people would want to chase up, I thought I'd post it.
Gavin
*** glibc detected *** /kolab/sbin/apache: double free or corruption (out): 0x00007f8a44ba5d60 ***
======= Backtrace: =========
/lib/libc.so.6[0x7f8a448ca9a8]
/lib/libc.so.6(cfree+0x76)[0x7f8a448ccab6]
/kolab/libexec/apache/mod_php.so(fs_give+0x3d)[0x7f8a43adf6ed]
/kolab/libexec/apache/mod_php.so(imap_send+0xc7)[0x7f8a43b13d07]
/kolab/libexec/apache/mod_php.so(imap_annotation_work+0x18)[0x7f8a43b15058]
/kolab/libexec/apache/mod_php.so(imap_getannotation+0x59)[0x7f8a43b150e9]
/kolab/libexec/apache/mod_php.so(zif_imap_getannotation+0x2f5)[0x7f8a4391a0b5]
/kolab/libexec/apache/mod_php.so[0x7f8a43a83132]
/kolab/libexec/apache/mod_php.so(execute+0x163)[0x7f8a43a75873]
/kolab/libexec/apache/mod_php.so[0x7f8a43a82bd1]
/kolab/libexec/apache/mod_php.so(execute+0x163)[0x7f8a43a75873]
/kolab/libexec/apache/mod_php.so[0x7f8a43a82bd1]
/kolab/libexec/apache/mod_php.so(execute+0x163)[0x7f8a43a75873]
/kolab/libexec/apache/mod_php.so[0x7f8a43a82bd1]
/kolab/libexec/apache/mod_php.so(execute+0x163)[0x7f8a43a75873]
/kolab/libexec/apache/mod_php.so[0x7f8a43a82bd1]
/kolab/libexec/apache/mod_php.so(execute+0x163)[0x7f8a43a75873]
/kolab/libexec/apache/mod_php.so[0x7f8a43a82bd1]
/kolab/libexec/apache/mod_php.so(execute+0x163)[0x7f8a43a75873]
/kolab/libexec/apache/mod_php.so[0x7f8a43a82bd1]
/kolab/libexec/apache/mod_php.so(execute+0x163)[0x7f8a43a75873]
/kolab/libexec/apache/mod_php.so[0x7f8a43a82bd1]
/kolab/libexec/apache/mod_php.so(execute+0x163)[0x7f8a43a75873]
/kolab/libexec/apache/mod_php.so(zend_execute_scripts+0x168)[0x7f8a43a56418]
/kolab/libexec/apache/mod_php.so(php_execute_script+0x1ff)[0x7f8a43a137bf]
/kolab/libexec/apache/mod_php.so[0x7f8a43ada7ad]
/kolab/sbin/apache(ap_run_handler+0x7a)[0x46aeda]
/kolab/sbin/apache(ap_invoke_handler+0x7c)[0x46e2fc]
/kolab/sbin/apache(ap_process_request+0x1ae)[0x4a764e]
/kolab/sbin/apache[0x4a4810]
/kolab/sbin/apache(ap_run_process_connection+0x72)[0x472212]
/kolab/sbin/apache[0x4c4934]
/kolab/sbin/apache[0x4c4bda]
/kolab/sbin/apache(ap_mpm_run+0x841)[0x4c54f1]
/kolab/sbin/apache(main+0x855)[0x4580a5]
/lib/libc.so.6(__libc_start_main+0xe6)[0x7f8a448751a6]
/kolab/sbin/apache[0x4573d9]
======= Memory map: ========
00400000-006c0000 r-xp 00000000 fd:00 139345 /kolab/sbin/apache
008c0000-008f6000 rw-p 002c0000 fd:00 139345 /kolab/sbin/apache
008f6000-00900000 rw-p 00000000 00:00 0
01fda000-0382f000 rw-p 00000000 00:00 0 [heap]
7f8a3c000000-7f8a3c021000 rw-p 00000000 00:00 0
7f8a3c021000-7f8a40000000 ---p 00000000 00:00 0
7f8a408e9000-7f8a408ff000 r-xp 00000000 09:00 8147 /lib/libgcc_s.so.1
7f8a408ff000-7f8a40aff000 ---p 00016000 09:00 8147 /lib/libgcc_s.so.1
7f8a40aff000-7f8a40b00000 rw-p 00016000 09:00 8147 /lib/libgcc_s.so.1
7f8a40b00000-7f8a40b04000 r-xp 00000000 09:00 8478 /lib/libnss_dns-2.7.so
7f8a40b04000-7f8a40d03000 ---p 00004000 09:00 8478 /lib/libnss_dns-2.7.so
7f8a40d03000-7f8a40d05000 rw-p 00003000 09:00 8478 /lib/libnss_dns-2.7.so
7f8a40d05000-7f8a42d05000 rw-s 00000000 00:08 887488513 /SYSV00000000 (deleted)
7f8a42d05000-7f8a42eb9000 r--p 00000000 09:01 562002 /usr/lib/locale/locale-archive
7f8a42eb9000-7f8a42ec3000 r-xp 00000000 09:00 8479 /lib/libnss_files-2.7.so
7f8a42ec3000-7f8a430c3000 ---p 0000a000 09:00 8479 /lib/libnss_files-2.7.so
7f8a430c3000-7f8a430c5000 rw-p 0000a000 09:00 8479 /lib/libnss_files-2.7.so
7f8a430c5000-7f8a430ce000 r-xp 00000000 09:00 8497 /lib/libnss_nis-2.7.so
7f8a430ce000-7f8a432ce000 ---p 00009000 09:00 8497 /lib/libnss_nis-2.7.so
7f8a432ce000-7f8a432d0000 rw-p 00009000 09:00 8497 /lib/libnss_nis-2.7.so
7f8a432d0000-7f8a432d7000 r-xp 00000000 09:00 8475 /lib/libnss_compat-2.7.so
7f8a432d7000-7f8a434d6000 ---p 00007000 09:00 8475 /lib/libnss_compat-2.7.so
7f8a434d6000-7f8a434d8000 rw-p 00006000 09:00 8475 /lib/libnss_compat-2.7.so
7f8a434d8000-7f8a434df000 r-xp 00000000 09:01 563347 /usr/lib/libltdl.so.3.1.6
7f8a434df000-7f8a436de000 ---p 00007000 09:01 563347 /usr/lib/libltdl.so.3.1.6
7f8a436de000-7f8a436df000 rw-p 00006000 09:01 563347 /usr/lib/libltdl.so.3.1.6
7f8a436df000-7f8a44364000 r-xp 00000000 fd:00 221261 /kolab/libexec/apache/mod_php.so
7f8a44364000-7f8a44564000 ---p 00c85000 fd:00 221261 /kolab/libexec/apache/mod_php.so
7f8a44564000-7f8a44626000 rw-p 00c85000 fd:00 221261 /kolab/libexec/apache/mod_php.so
7f8a44626000-7f8a4463b000 rw-p 00000000 00:00 0
7f8a4463b000-7f8a44651000 r-xp 00000000 09:00 8161 /lib/libpthread-2.7.so
7f8a44651000-7f8a44851000 ---p 00016000 09:00 8161 /lib/libpthread-2.7.so
7f8a44851000-7f8a44853000 rw-p 00016000 09:00 8161 /lib/libpthread-2.7.so
7f8a44853000-7f8a44857000 rw-p 00000000 00:00 0
7f8a44857000-7f8a449a1000 r-xp 00000000 09:00 8166 /lib/libc-2.7.so
7f8a449a1000-7f8a44ba0000 ---p 0014a000 09:00 8166 /lib/libc-2.7.so
7f8a44ba0000-7f8a44ba3000 r--p 00149000 09:00 8166 /lib/libc-2.7.so
7f8a44ba3000-7f8a44ba5000 rw-p 0014c000 09:00 8166 /lib/libc-2.7.so
7f8a44ba5000-7f8a44baa000 rw-p 00000000 00:00 0
7f8a44baa000-7f8a44bac000 r-xp 00000000 09:00 8170 /lib/libdl-2.7.so
7f8a44bac000-7f8a44dac000 ---p 00002000 09:00 8170 /lib/libdl-2.7.so
7f8a44dac000-7f8a44dae000 rw-p 00002000 09:00 8170 /lib/libdl-2.7.so
7f8a44dae000-7f8a44db6000 r-xp 00000000 09:00 8168 /lib/libcrypt-2.7.so
7f8a44db6000-7f8a44fb6000 ---p 00008000 09:00 8168 /lib/libcrypt-2.7.so
7f8a44fb6000-7f8a44fb8000 rw-p 00008000 09:00 8168 /lib/libcrypt-2.7.so
7f8a44fb8000-7f8a44fe6000 rw-p 00000000 00:00 0
7f8a44fe6000-7f8a44fee000 r-xp 00000000 09:00 8502 /lib/librt-2.7.so
7f8a44fee000-7f8a451ed000 ---p 00008000 09:00 8502 /lib/librt-2.7.so
7f8a451ed000-7f8a451ef000 rw-p 00007000 09:00 8502 /lib/librt-2.7.so
7f8a451ef000-7f8a45204000 r-xp 00000000 09:00 8470 /lib/libnsl-2.7.so
7f8a45204000-7f8a45403000 ---p 00015000 09:00 8470 /lib/libnsl-2.7.so
7f8a45403000-7f8a45405000 rw-p 00014000 09:00 8470 /lib/libnsl-2.7.so
7f8a45405000-7f8a45407000 rw-p 00000000 00:00 0
7f8a45407000-7f8a45417000 r-xp 00000000 09:00 8501 /lib/libresolv-2.7.so
7f8a45417000-7f8a45617000 ---p 00010000 09:00 8501 /lib/libresolv-2.7.so
7f8a45617000-7f8a45619000 rw-p 00010000 09:00 8501 /lib/libresolv-2.7.so
7f8a45619000-7f8a4561b000 rw-p 00000000 00:00 0
7f8a4561b000-7f8a4569d000 r-xp 00000000 09:00 8187 /lib/libm-2.7.so
7f8a4569d000-7f8a4589c000 ---p 00082000 09:00 8187 /lib/libm-2.7.so
7f8a4589c000-7f8a4589e000 rw-p 00081000 09:00 8187 /lib/libm-2.7.so
7f8a4589e000-7f8a458ba000 r-xp 00000000 09:00 8162 /lib/ld-2.7.so
7f8a4591d000-7f8a45924000 r--s 00000000 09:01 563345 /usr/lib/gconv/gconv-modules.cache
7f8a45a26000-7f8a45a37000 rw-s 00000000 00:08 13544121 /dev/zero (deleted)
7f8a45a37000-7f8a45ab2000 rw-s 00000000 00:08 36817638 /dev/zero (deleted)
7f8a45ab2000-7f8a45ab9000 rw-p 00000000 00:00 0
7f8a45ab9000-7f8a45abb000 rw-p 0001b000 09:00 8162 /lib/ld-2.7.so
7fffde217000-7fffde246000 rw-p 00000000 00:00 0 [stack]
7fffde3a7000-7fffde3a8000 r-xp 00000000 00:00 0 [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]
[Mon Jul 18 00:00:10 2011] [notice] child pid 10134 exit signal Aborted (6)
sh: line 0: kill: (16957) - No such process
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