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<p># gdb /usr/libexec/dovecot/imap-login ./core.34022<br />GNU gdb (GDB) Red Hat Enterprise Linux (7.2-92.el6)<br />Copyright (C) 2010 Free Software Foundation, Inc.<br />License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html><br />This is free software: you are free to change and redistribute it.<br />There is NO WARRANTY, to the extent permitted by law. Type "show copying"<br />and "show warranty" for details.<br />This GDB was configured as "x86_64-redhat-linux-gnu".<br />For bug reporting instructions, please see:<br /><http://www.gnu.org/software/gdb/bugs/>...<br />Reading symbols from /usr/libexec/dovecot/imap-login...Reading symbols from /usr/lib/debug/usr/libexec/dovecot/imap-login.debug...done.<br />done.<br />[New Thread 34022]<br />Reading symbols from /usr/lib64/dovecot/libdovecot-login.so.0...Reading symbols from /usr/lib/debug/usr/lib64/dovecot/libdovecot-login.so.0.0.0.debug...done.<br />done.<br />Loaded symbols for /usr/lib64/dovecot/libdovecot-login.so.0<br />Reading symbols from /usr/lib64/dovecot/libdovecot.so.0...Reading symbols from /usr/lib/debug/usr/lib64/dovecot/libdovecot.so.0.0.0.debug...done.<br />done.<br />Loaded symbols for /usr/lib64/dovecot/libdovecot.so.0<br />Reading symbols from /lib64/libc.so.6...(no debugging symbols found)...done.<br />Loaded symbols for /lib64/libc.so.6<br />Reading symbols from /usr/lib64/libssl.so.10...(no debugging symbols found)...done.<br />Loaded symbols for /usr/lib64/libssl.so.10<br />Reading symbols from /usr/lib64/libcrypto.so.10...(no debugging symbols found)...done.<br />Loaded symbols for /usr/lib64/libcrypto.so.10<br />Reading symbols from /lib64/librt.so.1...(no debugging symbols found)...done.<br />Loaded symbols for /lib64/librt.so.1<br />Reading symbols from /lib64/libdl.so.2...(no debugging symbols found)...done.<br />Loaded symbols for /lib64/libdl.so.2<br />Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done.<br />Loaded symbols for /lib64/ld-linux-x86-64.so.2<br />Reading symbols from /lib64/libgssapi_krb5.so.2...(no debugging symbols found)...done.<br />Loaded symbols for /lib64/libgssapi_krb5.so.2<br />Reading symbols from /lib64/libkrb5.so.3...(no debugging symbols found)...done.<br />Loaded symbols for /lib64/libkrb5.so.3<br />Reading symbols from /lib64/libcom_err.so.2...(no debugging symbols found)...done.<br />Loaded symbols for /lib64/libcom_err.so.2<br />Reading symbols from /lib64/libk5crypto.so.3...(no debugging symbols found)...done.<br />Loaded symbols for /lib64/libk5crypto.so.3<br />Reading symbols from /lib64/libz.so.1...(no debugging symbols found)...done.<br />Loaded symbols for /lib64/libz.so.1<br />Reading symbols from /lib64/libpthread.so.0...(no debugging symbols found)...done.<br />[Thread debugging using libthread_db enabled]<br />Loaded symbols for /lib64/libpthread.so.0<br />Reading symbols from /lib64/libkrb5support.so.0...(no debugging symbols found)...done.<br />Loaded symbols for /lib64/libkrb5support.so.0<br />Reading symbols from /lib64/libkeyutils.so.1...(no debugging symbols found)...done.<br />Loaded symbols for /lib64/libkeyutils.so.1<br />Reading symbols from /lib64/libresolv.so.2...(no debugging symbols found)...done.<br />Loaded symbols for /lib64/libresolv.so.2<br />Reading symbols from /lib64/libselinux.so.1...(no debugging symbols found)...done.<br />Loaded symbols for /lib64/libselinux.so.1<br />Reading symbols from /usr/lib64/dovecot/libssl_iostream_openssl.so...Reading symbols from /usr/lib/debug/usr/lib64/dovecot/libssl_iostream_openssl.so.debug...done.<br />done.<br />Loaded symbols for /usr/lib64/dovecot/libssl_iostream_openssl.so<br />Core was generated by `dovecot/imap-login [4 pre-lo'.<br />Program terminated with signal 11, Segmentation fault.<br />#0 i_stream_get_root_io (stream=0x0) at istream.c:919<br />919 while (stream->real_stream->parent != NULL) {<br />Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.209.el6_9.2.x86_64 keyutils-libs-1.4-5.el6.x86_64 krb5-libs-1.10.3-65.el6.x86_64 libcom_err-1.41.12-23.el6.x86_64 libselinux-2.0.94-7.el6.x86_64 openssl-1.0.1e-57.el6.x86_64 zlib-1.2.3-29.el6.x86_64<br />(gdb) bt full<br />#0 i_stream_get_root_io (stream=0x0) at istream.c:919<br /> __func__ = "i_stream_get_root_io"<br />#1 0x00007f697d6249b5 in i_stream_set_input_pending (stream=<value optimized out>, pending=<value optimized out>) at istream.c:931<br />No locals.<br />#2 0x00007f697af80b35 in openssl_iostream_bio_input (ssl_io=0x7f6980852320, type=OPENSSL_IOSTREAM_SYNC_TYPE_WRITE) at iostream-openssl.c:500<br /> data = 0x7f697d6784e0 ""<br /> bytes = 17371<br /> ret = <value optimized out><br /> bytes_read = true<br /> size = 0<br />#3 openssl_iostream_bio_sync (ssl_io=0x7f6980852320, type=OPENSSL_IOSTREAM_SYNC_TYPE_WRITE) at iostream-openssl.c:512<br /> ret = true<br />#4 0x00007f697af8120a in openssl_iostream_more (ssl_io=0x7f6980852320, type=<value optimized out>) at iostream-openssl.c:526<br /> ret = <value optimized out><br />#5 0x00007f697af81247 in openssl_iostream_destroy (ssl_io=0x7f6980852320) at iostream-openssl.c:354<br />No locals.<br />#6 0x00007f697d8cc862 in client_unref (_client=<value optimized out>) at client-common.c:365<br /> client = 0x7f6982b5a840<br /> __func__ = "client_unref"<br />#7 0x00007f697d8d0adc in login_proxy_free_full (_proxy=<value optimized out>, reason=0x7f697f6ae0a0 "Disconnected by server(0s idle, in=307, out=1038)", delayed=<value optimized out>) at login-proxy.c:529<br /> proxy = 0x7f6983ff8990<br /> client = 0x0<br /> ipstr = <value optimized out><br /> delay_ms = <value optimized out><br /> __func__ = "login_proxy_free_full"<br />#8 0x00007f697d8d1aca in login_proxy_free_delayed (side=<value optimized out>, status=<value optimized out>, proxy=0x0) at login-proxy.c:541<br />No locals.<br />#9 login_proxy_free_errstr (side=<value optimized out>, status=<value optimized out>, proxy=0x0) at login-proxy.c:129<br /> proxy = 0x7f6983ff8990<br /> reason = 0x7f697f6ae068<br />#10 login_proxy_finished (side=<value optimized out>, status=<value optimized out>, proxy=0x0) at login-proxy.c:619<br /> errstr = <value optimized out><br /> server_side = true<br />#11 0x00007f697d62f6d5 in io_loop_call_io (io=0x7f6981019440) at ioloop.c:674<br /> ioloop = 0x7f697f6b6d00<br /> t_id = 2<br /> __func__ = "io_loop_call_io"<br />#12 0x00007f697d6316af in io_loop_handler_run_internal (ioloop=<value optimized out>) at ioloop-epoll.c:222<br /> ctx = 0x7f697f6e5de0<br /> events = <value optimized out><br /> event = 0x7f6982f5f4e0<br /> list = 0x7f6980b980e0<br /> io = <value optimized out><br /> tv = {tv_sec = 0, tv_usec = 369635}<br /> events_count = <value optimized out><br /> msecs = <value optimized out><br /> ret = 1<br /> i = <value optimized out><br /> call = <value optimized out><br /> __func__ = "io_loop_handler_run_internal"<br />#13 0x00007f697d62f7c5 in io_loop_handler_run (ioloop=0x7f697f6b6d00) at ioloop.c:726<br /> __func__ = "io_loop_handler_run"<br />#14 0x00007f697d62f9e8 in io_loop_run (ioloop=0x7f697f6b6d00) at ioloop.c:699<br /> __func__ = "io_loop_run"<br />#15 0x00007f697d5ac963 in master_service_run (service=0x7f697f6b6b90, callback=<value optimized out>) at master-service.c:767<br />No locals.<br />#16 0x00007f697d8d31b3 in login_binary_run (binary=<value optimized out>, argc=2, argv=0x7f697f6b68a0) at main.c:549<br /> set_pool = 0x7f697f6b7e80<br /> login_socket = <value optimized out><br /> c = <value optimized out><br />#17 0x00007f697d1d6d1d in __libc_start_main () from /lib64/libc.so.6<br />No symbol table info available.<br />#18 0x00007f697dd00599 in _start ()<br />No symbol table info available.</p>
<div>---<br />
<div class="pre" style="margin: 0; padding: 0; font-family: monospace">Tom</div>
</div>
<p><br /></p>
<p>On 2018-07-05 15:43, Aki Tuomi wrote:</p>
<blockquote type="cite" style="padding: 0 0.4em; border-left: #1010ff 2px solid; margin: 0"><!-- html ignored --><!-- head ignored --><!-- meta ignored -->
<div>Can you install debuginfo and try again?</div>
<div> </div>
<div> </div>
<div> </div>
<div id="composer_signature">---
<div>Aki Tuomi</div>
<div>Dovecot oy</div>
</div>
<div> </div>
<div style="font-size: 100%; color: #000000;">
<div>-------- Original message --------</div>
<div>From: Tom Sommer <mail@tomsommer.dk></div>
<div>Date: 05/07/2018 14:12 (GMT+01:00)</div>
<div>To: Dovecot <dovecot@dovecot.org></div>
<div>Subject: 2.3.2 director imap-login segfaults</div>
<div> </div>
</div>
My director has started segfaulting since upgradeing to 2.3.2:<br /><br /># gdb /usr/libexec/dovecot/imap-login ./core.9757<br />GNU gdb (GDB) Red Hat Enterprise Linux (7.2-92.el6)<br />Copyright (C) 2010 Free Software Foundation, Inc.<br />License GPLv3+: GNU GPL version 3 or later <br /><http://gnu.org/licenses/gpl.html><br />This is free software: you are free to change and redistribute it.<br />There is NO WARRANTY, to the extent permitted by law. Type "show <br />copying"<br />and "show warranty" for details.<br />This GDB was configured as "x86_64-redhat-linux-gnu".<br />For bug reporting instructions, please see:<br /><http://www.gnu.org/software/gdb/bugs/>...<br />Reading symbols from /usr/libexec/dovecot/imap-login...(no debugging <br />symbols found)...done.<br />[New Thread 9757]<br />Reading symbols from /usr/lib64/dovecot/libdovecot-login.so.0...(no <br />debugging symbols found)...done.<br />Loaded symbols for /usr/lib64/dovecot/libdovecot-login.so.0<br />Reading symbols from /usr/lib64/dovecot/libdovecot.so.0...(no debugging <br />symbols found)...done.<br />Loaded symbols for /usr/lib64/dovecot/libdovecot.so.0<br />Reading symbols from /lib64/libc.so.6...(no debugging symbols <br />found)...done.<br />Loaded symbols for /lib64/libc.so.6<br />Reading symbols from /usr/lib64/libssl.so.10...(no debugging symbols <br />found)...done.<br />Loaded symbols for /usr/lib64/libssl.so.10<br />Reading symbols from /usr/lib64/libcrypto.so.10...(no debugging symbols <br />found)...done.<br />Loaded symbols for /usr/lib64/libcrypto.so.10<br />Reading symbols from /lib64/librt.so.1...(no debugging symbols <br />found)...done.<br />Loaded symbols for /lib64/librt.so.1<br />Reading symbols from /lib64/libdl.so.2...(no debugging symbols <br />found)...done.<br />Loaded symbols for /lib64/libdl.so.2<br />Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols <br />found)...done.<br />Loaded symbols for /lib64/ld-linux-x86-64.so.2<br />Reading symbols from /lib64/libgssapi_krb5.so.2...(no debugging symbols <br />found)...done.<br />Loaded symbols for /lib64/libgssapi_krb5.so.2<br />Reading symbols from /lib64/libkrb5.so.3...(no debugging symbols <br />found)...done.<br />Loaded symbols for /lib64/libkrb5.so.3<br />Reading symbols from /lib64/libcom_err.so.2...(no debugging symbols <br />found)...done.<br />Loaded symbols for /lib64/libcom_err.so.2<br />Reading symbols from /lib64/libk5crypto.so.3...(no debugging symbols <br />found)...done.<br />Loaded symbols for /lib64/libk5crypto.so.3<br />Reading symbols from /lib64/libz.so.1...(no debugging symbols <br />found)...done.<br />Loaded symbols for /lib64/libz.so.1<br />Reading symbols from /lib64/libpthread.so.0...(no debugging symbols <br />found)...done.<br />[Thread debugging using libthread_db enabled]<br />Loaded symbols for /lib64/libpthread.so.0<br />Reading symbols from /lib64/libkrb5support.so.0...(no debugging symbols <br />found)...done.<br />Loaded symbols for /lib64/libkrb5support.so.0<br />Reading symbols from /lib64/libkeyutils.so.1...(no debugging symbols <br />found)...done.<br />Loaded symbols for /lib64/libkeyutils.so.1<br />Reading symbols from /lib64/libresolv.so.2...(no debugging symbols <br />found)...done.<br />Loaded symbols for /lib64/libresolv.so.2<br />Reading symbols from /lib64/libselinux.so.1...(no debugging symbols <br />found)...done.<br />Loaded symbols for /lib64/libselinux.so.1<br />Reading symbols from /usr/lib64/dovecot/libssl_iostream_openssl.so...(no <br />debugging symbols found)...done.<br />Loaded symbols for /usr/lib64/dovecot/libssl_iostream_openssl.so<br />Core was generated by `dovecot/imap-login [26 pre-l'.<br />Program terminated with signal 11, Segmentation fault.<br />#0 0x00007fa19b3ec6ed in i_stream_get_root_io () from <br />/usr/lib64/dovecot/libdovecot.so.0<br />Missing separate debuginfos, use: debuginfo-install <br />dovecot-2.3.2-3.x86_64<br />(gdb) bt full<br />#0 0x00007fa19b3ec6ed in i_stream_get_root_io () from <br />/usr/lib64/dovecot/libdovecot.so.0<br />No symbol table info available.<br />#1 0x00007fa19b3ec9b5 in i_stream_set_input_pending () from <br />/usr/lib64/dovecot/libdovecot.so.0<br />No symbol table info available.<br />#2 0x00007fa198d48b35 in openssl_iostream_bio_sync () from <br />/usr/lib64/dovecot/libssl_iostream_openssl.so<br />No symbol table info available.<br />#3 0x00007fa198d4920a in openssl_iostream_more () from <br />/usr/lib64/dovecot/libssl_iostream_openssl.so<br />No symbol table info available.<br />#4 0x00007fa198d49247 in ?? () from <br />/usr/lib64/dovecot/libssl_iostream_openssl.so<br />No symbol table info available.<br />#5 0x00007fa19b694862 in client_unref () from <br />/usr/lib64/dovecot/libdovecot-login.so.0<br />No symbol table info available.<br />#6 0x00007fa19b698adc in ?? () from <br />/usr/lib64/dovecot/libdovecot-login.so.0<br />No symbol table info available.<br />#7 0x00007fa19b699aca in ?? () from <br />/usr/lib64/dovecot/libdovecot-login.so.0<br />No symbol table info available.<br />#8 0x00007fa19b3f76d5 in io_loop_call_io () from <br />/usr/lib64/dovecot/libdovecot.so.0<br />No symbol table info available.<br />#9 0x00007fa19b3f96af in io_loop_handler_run_internal () from <br />/usr/lib64/dovecot/libdovecot.so.0<br />No symbol table info available.<br />#10 0x00007fa19b3f77c5 in io_loop_handler_run () from <br />/usr/lib64/dovecot/libdovecot.so.0<br />No symbol table info available.<br />#11 0x00007fa19b3f79e8 in io_loop_run () from <br />/usr/lib64/dovecot/libdovecot.so.0<br />No symbol table info available.<br />#12 0x00007fa19b374963 in master_service_run () from <br />/usr/lib64/dovecot/libdovecot.so.0<br />No symbol table info available.<br />#13 0x00007fa19b69b1b3 in login_binary_run () from <br />/usr/lib64/dovecot/libdovecot-login.so.0<br />No symbol table info available.<br />#14 0x00007fa19af9ed1d in __libc_start_main () from /lib64/libc.so.6<br />No symbol table info available.<br />#15 0x00007fa19bac8599 in _start ()<br />No symbol table info available.<br /><br /><br />-- <br />Tom</blockquote>
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