Attachment 31179 Details for Bug 24589 – backtrace of the segfaulting xdm process

backtrace of the segfaulting xdm process

logout_backtrace (text/plain), 7.50 KB, created by Johannes Dewender on 2009-11-13 09:47:12 UTC

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Creator: Johannes Dewender

Created: 2009-11-13 09:47:12 UTC

Size: 7.50 KB

patch

obsolete

>GNU gdb (GDB) 7.0
>Copyright (C) 2009 Free Software Foundation, Inc.
>License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
>This is free software: you are free to change and redistribute it.
>There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
>and "show warranty" for details.
>This GDB was configured as "x86_64-unknown-linux-gnu".
>For bug reporting instructions, please see:
><http://www.gnu.org/software/gdb/bugs/>...
>Reading symbols from /usr/bin/xdm...done.
>Reading symbols from /usr/lib/libXmu.so.6...(no debugging symbols found)...done.
>Loaded symbols for /usr/lib/libXmu.so.6
>Reading symbols from /usr/lib/libICE.so.6...(no debugging symbols found)...done.
>Loaded symbols for /usr/lib/libICE.so.6
>Reading symbols from /usr/lib/libXau.so.6...(no debugging symbols found)...done.
>Loaded symbols for /usr/lib/libXau.so.6
>Reading symbols from /usr/lib/libX11.so.6...(no debugging symbols found)...done.
>Loaded symbols for /usr/lib/libX11.so.6
>Reading symbols from /usr/lib/libXdmcp.so.6...done.
>Loaded symbols for /usr/lib/libXdmcp.so.6
>Reading symbols from /lib/libcrypt.so.1...done.
>Loaded symbols for /lib/libcrypt.so.1
>Reading symbols from /lib/libpam.so.0...done.
>Loaded symbols for /lib/libpam.so.0
>Reading symbols from /lib/libc.so.6...done.
>Loaded symbols for /lib/libc.so.6
>Reading symbols from /lib/libdl.so.2...done.
>Loaded symbols for /lib/libdl.so.2
>Reading symbols from /usr/lib/libXt.so.6...(no debugging symbols found)...done.
>Loaded symbols for /usr/lib/libXt.so.6
>Reading symbols from /usr/lib/libSM.so.6...(no debugging symbols found)...done.
>Loaded symbols for /usr/lib/libSM.so.6
>Reading symbols from /usr/lib/libXext.so.6...(no debugging symbols found)...done.
>Loaded symbols for /usr/lib/libXext.so.6
>Reading symbols from /usr/lib/libxcb.so.1...(no debugging symbols found)...done.
>Loaded symbols for /usr/lib/libxcb.so.1
>Reading symbols from /lib/ld-linux-x86-64.so.2...done.
>Loaded symbols for /lib/ld-linux-x86-64.so.2
>Reading symbols from /lib/libuuid.so.1...(no debugging symbols found)...done.
>Loaded symbols for /lib/libuuid.so.1
>Reading symbols from /lib/libnss_files.so.2...done.
>Loaded symbols for /lib/libnss_files.so.2
>Reading symbols from /usr/lib/libXrender.so.1...(no debugging symbols found)...done.
>Loaded symbols for /usr/lib/libXrender.so.1
>Reading symbols from /usr/lib/libXcursor.so.1...(no debugging symbols found)...done.
>Loaded symbols for /usr/lib/libXcursor.so.1
>Reading symbols from /usr/lib/libXfixes.so.3...(no debugging symbols found)...done.
>Loaded symbols for /usr/lib/libXfixes.so.3
>Reading symbols from /lib/security/pam_unix.so...done.
>Loaded symbols for /lib/security/pam_unix.so
>Reading symbols from /lib/libnsl.so.1...done.
>Loaded symbols for /lib/libnsl.so.1
>Reading symbols from /lib/security/pam_nologin.so...done.
>Loaded symbols for /lib/security/pam_nologin.so
>Reading symbols from /lib/security/pam_env.so...done.
>Loaded symbols for /lib/security/pam_env.so
>Reading symbols from /lib/security/pam_limits.so...done.
>Loaded symbols for /lib/security/pam_limits.so
>Core was generated by `-:0                                                         '.
>Program terminated with signal 11, Segmentation fault.
>#0  strlen () at ../sysdeps/x86_64/strlen.S:31
>	in ../sysdeps/x86_64/strlen.S
>(gdb) bt full
>#0  strlen () at ../sysdeps/x86_64/strlen.S:31
>No locals.
>#1  0x00007fdc018b978e in *__GI_fputs_unlocked (str=0x7fdc0079dd10 <Address 0x7fdc0079dd10 out of bounds>, fp=0xb99510) at iofputs_u.c:37
>        result = <value optimized out>
>#2  0x00007fdc01917d9b in *__GI___vsyslog_chk (pri=<value optimized out>, flag=-1, fmt=<value optimized out>, ap=0x7fff2be4bda0) at ../misc/syslog.c:207
>        now_tm = {tm_sec = 56, tm_min = 14, tm_hour = 18, tm_mday = 13, tm_mon = 10, tm_year = 109, tm_wday = 5, tm_yday = 316, tm_isdst = 0, 
>          tm_gmtoff = 3600, tm_zone = 0xba6080 "CET"}
>        now = 1258132496
>        fd = <value optimized out>
>        f = <value optimized out>
>        buf = 0x0
>        bufsize = 0
>        msgoff = <value optimized out>
>        saved_errno = 2
>        failbuf = "\320\f\270\000\000\000\000\000`\356\271\001\334\177\000\000 \000\000\000\000\000\000\000\320\276\344+\377"
>        clarg = {buf = 0xb80cd0, oldaction = 0x1f}
>#3  0x00007fdc01918330 in __syslog (pri=7986448, fmt=0x14 <Address 0x14 out of bounds>) at ../misc/syslog.c:119
>        ap = {{gp_offset = 16, fp_offset = 48, overflow_arg_area = 0x7fff2be4be80, reg_save_area = 0x7fff2be4bdc0}}
>#4  0x00007fdc01baa532 in pam_vsyslog (pamh=0xbee6c0, priority=6, fmt=0x7fdbfedd4812 "session closed for user %s", args=0x7fff2be4bed0) at pam_syslog.c:99
>        msgbuf1 = 0xb81260 "pam_unix(xdm:session):"
>        msgbuf2 = 0xb81850 "session closed for user jonnyjd"
>        save_errno = 2
>#5  0x00007fdc01baa6b3 in pam_syslog (pamh=0x7fdc0079dd10, priority=12162320, fmt=0x14 <Address 0x14 out of bounds>) at pam_syslog.c:113
>        args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fff2be4bfb0, reg_save_area = 0x7fff2be4bef0}}
>#6  0x00007fdbfedcf012 in pam_sm_close_session (pamh=0xbee6c0, flags=<value optimized out>, argc=<value optimized out>, argv=<value optimized out>)
>    at pam_unix_sess.c:125
>        user_name = 0xbf1480 "jonnyjd"
>        service = 0xbe7170 "xdm"
>        retval = <value optimized out>
>#7  0x00007fdc01ba588e in _pam_dispatch_aux (pamh=0xbee6c0, flags=<value optimized out>, choice=<value optimized out>) at pam_dispatch.c:110
>        action = <value optimized out>
>        depth = 0
>        prev_level = 0
>        impression = 0
>        skip_depth = <value optimized out>
>        substates = <value optimized out>
>#8  _pam_dispatch (pamh=0xbee6c0, flags=<value optimized out>, choice=<value optimized out>) at pam_dispatch.c:407
>        h = 0xbf0b60
>        retval = <value optimized out>
>        use_cached_chain = <value optimized out>
>        resumed = <value optimized out>
>#9  0x000000000040bdb6 in SessionExit (d=0xb718b0, status=0, removeAuth=1) at session.c:480
>        pamh = 0xbee6c0
>#10 0x000000000040c563 in ManageSession (d=<value optimized out>) at session.c:375
>        pid = 24810
>        dpy = 0xb83190
>        greet_stat = <value optimized out>
>        greet_user_proc = 0x7fdc0079c1b0
>        greet_lib_handle = 0xb7e4a0
>#11 0x0000000000408b70 in StartDisplay (d=0xb718b0) at dm.c:762
>No locals.
>#12 0x0000000000407f0d in ForEachDisplay (f=0x408c70 <CheckDisplayStatus>) at dpylist.c:54
>        d = 0x7fdc0079dd10
>        next = 0x0
>#13 0x0000000000409784 in StartDisplays (argc=<value optimized out>, argv=0x7fff2be4c738) at dm.c:630
>No locals.
>#14 main (argc=<value optimized out>, argv=0x7fff2be4c738) at dm.c:197
>        oldpid = <value optimized out>
>        oldumask = 20
>        cmdbuf = "/bin/rm -f /var/lib/xdm/authdir/authfiles/A*", '\000' <repeats 14 times>, "`\202\311W\376\377\000\000\266\350l\005\270\377Y,\266\002\334\177\000\000\000\000\000\000\000\000\000\000P\302\344+\377\177\000\000\000\000\000\000\000\000\000\000P\302\344+\377\177\000\000x\326\324\002\334\177\000\000\020\000\000\000\000\000\000\000\207\360\226|\000\000\000\000s3\266\002\334\177\000\000\000\000\000\000\000\000\000\000\a\000\000\000\334\177\000\000\302[\362\001\000\000\000\000\304\v\205\001\334\177\000\000\300\303\344+\377\177\000\000\370\v\205\001\334\177\000\000\340\324\205\001\334\177\000\000\210\t\325\002\334\177\000\000\000\302\344+\377\177\000\000\000\000\000\000\000\000\000\000p\211\327\002\334\177\000\000\000\000\000\000\000\000\000\000X\337\324\002\334\177\000\000\210\t\325\002\334\177\000\000\334\246\265\002\334\177\000\000"...
>Current language:  auto
>The current source language is "auto; currently asm".
>(gdb) quit

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Attachments on bug 24589: 31179 | 31180 | 32596 | 32712

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