Attachment 207363 Details for Bug 286923 – xdm-crash-on-kerberos-password.txt

xdm-crash-on-kerberos-password.txt

xdm-crash-on-kerberos-password.txt (text/plain), 11.29 KB, created by Martin Mokrejš on 2009-10-16 21:45:04 UTC

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Creator: Martin Mokrejš

Created: 2009-10-16 21:45:04 UTC

Size: 11.29 KB

patch

obsolete

># gdb /usr/bin/xdm /var/dumps/core.xdm.2895 
>GNU gdb 6.8
>Copyright (C) 2008 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 "i686-pc-linux-gnu"...
>
>warning: Can't read pathname for load map: Input/output error.
>Reading symbols from /usr/lib/libXmu.so.6...done.
>Loaded symbols for /usr/lib/libXmu.so.6
>Reading symbols from /usr/lib/libXt.so.6...done.
>Loaded symbols for /usr/lib/libXt.so.6
>Reading symbols from /usr/lib/libSM.so.6...done.
>Loaded symbols for /usr/lib/libSM.so.6
>Reading symbols from /lib/libuuid.so.1...done.
>Loaded symbols for /lib/libuuid.so.1
>Reading symbols from /usr/lib/libICE.so.6...done.
>Loaded symbols for /usr/lib/libICE.so.6
>Reading symbols from /usr/lib/libXinerama.so.1...done.
>Loaded symbols for /usr/lib/libXinerama.so.1
>Reading symbols from /usr/lib/libXext.so.6...done.
>Loaded symbols for /usr/lib/libXext.so.6
>Reading symbols from /usr/lib/libXpm.so.4...done.
>Loaded symbols for /usr/lib/libXpm.so.4
>Reading symbols from /usr/lib/libX11.so.6...done.
>Loaded symbols for /usr/lib/libX11.so.6
>Reading symbols from /usr/lib/libXau.so.6...done.
>Loaded symbols for /usr/lib/libXau.so.6
>Reading symbols from /lib/libdl.so.2...done.
>Loaded symbols for /lib/libdl.so.2
>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/ld-linux.so.2...done.
>Loaded symbols for /lib/ld-linux.so.2
>Reading symbols from /usr/lib/X11/xdm/libXdmGreet.so...done.
>Loaded symbols for /usr/lib/X11/xdm/libXdmGreet.so
>Reading symbols from /usr/lib/libXaw.so.7...done.
>Loaded symbols for /usr/lib/libXaw.so.7
>Reading symbols from /usr/lib/libXft.so.2...done.
>Loaded symbols for /usr/lib/libXft.so.2
>Reading symbols from /usr/lib/libXrender.so.1...done.
>Loaded symbols for /usr/lib/libXrender.so.1
>Reading symbols from /usr/lib/libfontconfig.so.1...done.
>Loaded symbols for /usr/lib/libfontconfig.so.1
>Reading symbols from /usr/lib/libfreetype.so.6...done.
>Loaded symbols for /usr/lib/libfreetype.so.6
>Reading symbols from /lib/libz.so.1...done.
>Loaded symbols for /lib/libz.so.1
>Reading symbols from /usr/lib/libexpat.so.1...done.
>Loaded symbols for /usr/lib/libexpat.so.1
>Reading symbols from /usr/lib/libXcursor.so.1...done.
>Loaded symbols for /usr/lib/libXcursor.so.1
>Reading symbols from /usr/lib/libXfixes.so.3...done.
>Loaded symbols for /usr/lib/libXfixes.so.3
>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_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_cracklib.so...done.
>Loaded symbols for /lib/security/pam_cracklib.so
>Reading symbols from /lib/libcrack.so.2...done.
>Loaded symbols for /lib/libcrack.so.2
>Reading symbols from /lib/security/pam_limits.so...done.
>Loaded symbols for /lib/security/pam_limits.so
>Reading symbols from /lib/security/pam_permit.so...done.
>Loaded symbols for /lib/security/pam_permit.so
>Reading symbols from /lib/security/pam_deny.so...done.
>Loaded symbols for /lib/security/pam_deny.so
>Reading symbols from /lib/libnss_compat.so.2...done.
>Loaded symbols for /lib/libnss_compat.so.2
>Reading symbols from /lib/libnss_nis.so.2...done.
>Loaded symbols for /lib/libnss_nis.so.2
>Reading symbols from /lib/libnss_files.so.2...done.
>Loaded symbols for /lib/libnss_files.so.2
>Core was generated by `-:0         '.
>Program terminated with signal 11, Segmentation fault.
>[New process 2895]
>#0  0xb7c72258 in _IO_vfprintf_internal (s=0x80cbd58, format=0xb7fe4e04 "LOGIN FAILURE ON %s, %s", ap=0xbff938ac "\230\203\006\b\001") at vfprintf.c:1580
>1580    vfprintf.c: No such file or directory.
>        in vfprintf.c
>(gdb) where
>#0  0xb7c72258 in _IO_vfprintf_internal (s=0x80cbd58, format=0xb7fe4e04 "LOGIN FAILURE ON %s, %s", ap=0xbff938ac "\230\203\006\b\001") at vfprintf.c:1580
>#1  0xb7d122e0 in ___vfprintf_chk (fp=0x80cbd58, flag=1, format=0xb7fe4e04 "LOGIN FAILURE ON %s, %s", ap=0xbff938ac "\230\203\006\b\001") at vfprintf_chk.c:35
>#2  0xb7cfa9ae in __vsyslog_chk (pri=85, flag=1, fmt=0xb7fe4e04 "LOGIN FAILURE ON %s, %s", ap=0xbff938ac "\230\203\006\b\001") at ../misc/syslog.c:224
>#3  0xb7cfadb6 in __syslog_chk (pri=85, flag=1, fmt=0xb7fe4e04 "LOGIN FAILURE ON %s, %s") at ../misc/syslog.c:131
>#4  0xb7fe341a in GreetUser (d=0x8068298, dpy=0xbff93bbc, verify=0x8060d48, greet=0x8060d30, dlfuncs=0x80608e0) at /usr/include/bits/syslog.h:32
>#5  0x08053b96 in ManageSession (d=0x8068298) at session.c:320
>#6  0x080506b0 in StartDisplay (d=0x8068298) at dm.c:762
>#7  0x0804fbdc in ForEachDisplay (f=0x805079e <CheckDisplayStatus>) at dpylist.c:54
>#8  0x08051267 in main (argc=1, argv=0xbff941a4) at dm.c:630
>(gdb) bt full
>#0  0xb7c72258 in _IO_vfprintf_internal (s=0x80cbd58, format=0xb7fe4e04 "LOGIN FAILURE ON %s, %s", ap=0xbff938ac "\230\203\006\b\001") at vfprintf.c:1580
>        len = <value optimized out>
>        string_malloced = -1208070541
>        step0_jumps = {0, -4826, -4749, -4668, -4582, -4505, -4405, -4234, -3954, -1888, -3754, -2118, -8092, -2041, -6064, -6003, -522, -507, -3584, -3475, 365, -5384, 638, -2257, -2179, -8001, -3169, -1952, -8092, -4315}
>        space = 0
>        is_short = 0
>        use_outdigits = 0
>        step1_jumps = {0, 0, 0, 0, 0, 0, 0, 0, 0, -1888, -3754, -2118, -8092, -2041, -6064, -6003, -522, -507, -3584, -3475, 365, -5384, 638, -2257, -2179, -8001, -3169, -1952, -8092, 0}
>        group = 0
>        prec = -1074186064
>        step2_jumps = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -3754, -2118, -8092, -2041, -6064, -6003, -522, -507, -3584, -3475, 365, -5384, 638, -2257, -2179, -8001, -3169, -1952, -8092, 0}
>        string = 0x1 <Address 0x1 out of bounds>
>        left = 0
>        is_long_double = 0
>        width = <value optimized out>
>        step3a_jumps = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -3673, 0, 0, 0, -6064, -6003, -522, -507, -3584, 0, 0, 0, 0, -2257, 0, 0, 0, 0, 0, 0}
>        alt = 0
>        showsign = 0
>        is_long = 0
>        is_char = 0
>        pad = <value optimized out>
>        step3b_jumps = {0 <repeats 11 times>, -8092, 0, 0, -6064, -6003, -522, -507, -3584, -3475, 365, -5384, 638, -2257, -2179, -8001, -3169, 0, 0, 0}
>        step4_jumps = {0 <repeats 14 times>, -6064, -6003, -522, -507, -3584, -3475, 365, -5384, 638, -2257, -2179, -8001, -3169, 0, 0, 0}
>        is_negative = 0
>        number = {longlong = 13243315959663427584, word = 0}
>        base = -2
>        the_arg = {pa_wchar = -1210551344, pa_int = -1210551344, pa_long_int = -1210551344, pa_long_long_int = 24559252432, pa_u_int = 3084415952, pa_u_long_int = 3084415952, pa_u_long_long_int = 24559252432, 
>  pa_double = 1.2133882914194285e-313, pa_long_double = <invalid float value>, pa_string = 0xb7d873d0 "some-text", pa_wstring = 0xb7d873d0, pa_pointer = 0xb7d873d0, pa_user = 0xb7d873d0}
>        spec = <value optimized out>
>        _buffer = {__routine = 0xb7d85400 <_nl_C_locobj>, __arg = 0xb7d51a0f, __canceltype = 2, __prev = 0x5e74f79}
>        _avail = 0
>        thousands_sep = 0x0
>        grouping = 0xffffffff <Address 0xffffffff out of bounds>
>        f = <value optimized out>
>        lead_str_end = (const unsigned char *) 0xb7fe4e15 "%s, %s"
>        work_buffer = "\000\000\000\000ï¿½ï¿½:Õ·\006\000\000\000\\3ï¿½Mï¿½ï¿½ï¿½8ï¿½4ï¿½000\000\000\000\\3ï¿½\003\000\000\001\200ï¿½ï¿½4ï¿½4ï¿½4ï¿½4ï¿½ï¿½8ï¿½4ï¿½8ï¿½, '\0' <repeats 24 times>, "\004", '\0' <repeats 19 times>, "ï¿½Ø·ï¿½\f\bï¿½ï¿½ï¿½ï¿½\000\000\000\000\024\220É·\005\000\000\000ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½\001\000\000\000ï¿½Ø·\2004ï¿½\221É·ï¿½\f\b YØ·\000\000\000\000\001\000\000\000ï¿½\201\000\000 YØ·", '\0' <repeats 20 times>, "6\b\000\000\000\000\000\000\000\020\000\000ï¿½ï¿½ï¿½P"...
>        workstart = 0x0
>        workend = <value optimized out>
>        ap_save = 0xbff938ac "\230\203\006\b\001"
>        nspecs_done = 1
>        save_errno = 3
>        readonly_format = 0
>        jump_table = "\001\000\000\004\000\016\000\006\000\000\a\002\000\003\t\000\005\b\b\b\b\b\b\b\b\b\000\000\000\000\000\000\000\032\000\031\000\023\023\023\000\035\000\000\f\000\000\000\000\000\000\025\000\000\000\000\022\000\r\000\000\000\000\000\000\032\000\024\017\023\023\023\n\017\034\000\v\030\027\021\026\f\000\025\033\020\000\000\022\000\r"
>        __PRETTY_FUNCTION__ = "_IO_vfprintf_internal"
>#1  0xb7d122e0 in ___vfprintf_chk (fp=0x80cbd58, flag=1, format=0xb7fe4e04 "LOGIN FAILURE ON %s, %s", ap=0xbff938ac "\230\203\006\b\001") at vfprintf_chk.c:35
>        done = <value optimized out>
>#2  0xb7cfa9ae in __vsyslog_chk (pri=85, flag=1, fmt=0xb7fe4e04 "LOGIN FAILURE ON %s, %s", ap=0xbff938ac "\230\203\006\b\001") at ../misc/syslog.c:224
>        now_tm = {tm_sec = 26, tm_min = 34, tm_hour = 23, tm_mday = 16, tm_mon = 9, tm_year = 109, tm_wday = 5, tm_yday = 288, tm_isdst = 1, tm_gmtoff = 7200, tm_zone = 0x80c2320 "MEST"}
>        now = 1255728866
>        fd = <value optimized out>
>        f = <value optimized out>
>        buf = 0x0
>        bufsize = 0
>        msgoff = <value optimized out>
>        saved_errno = 3
>        failbuf = "ï¿½\000\000\000\000\001\000\000\000\001\000\000\000\2375Ù·ï¿½pÅ·ï¿½Ø·\a\000\000"
>        clarg = {buf = 0xb7d9359f, oldaction = 0xb7fe6ff4}
>#3  0xb7cfadb6 in __syslog_chk (pri=85, flag=1, fmt=0xb7fe4e04 "LOGIN FAILURE ON %s, %s") at ../misc/syslog.c:131
>No locals.
>#4  0xb7fe341a in GreetUser (d=0x8068298, dpy=0xbff93bbc, verify=0x8060d48, greet=0x8060d30, dlfuncs=0x80608e0) at /usr/include/bits/syslog.h:32
>        pam_error = 7
>        pcd = {d = 0x8068298, greet = 0x8060d30, username_display = 0x0}
>        username = 0x1 <Address 0x1 out of bounds>
>        login_prompt = <value optimized out>
>---Type <return> to continue, or q <return> to quit---
>        pamhp = (pam_handle_t **) 0x8060d28
>        pc = {conv = 0xb7fe3cf6 <pamconv>, appdata_ptr = 0xbff93b0c}
>        pam_fname = <value optimized out>
>        i = 0
>#5  0x08053b96 in ManageSession (d=0x8068298) at session.c:320
>        pid = 0
>        dpy = (Display *) 0x806fa18
>        greet_stat = <value optimized out>
>        greet_user_proc = (GreetUserProc) 0xb7fe2f98 <GreetUser>
>        greet_lib_handle = (void *) 0x8069148
>#6  0x080506b0 in StartDisplay (d=0x8068298) at dm.c:762
>No locals.
>#7  0x0804fbdc in ForEachDisplay (f=0x805079e <CheckDisplayStatus>) at dpylist.c:54
>        d = (struct display *) 0x0
>        next = (struct display *) 0x0
>#8  0x08051267 in main (argc=1, argv=0xbff941a4) at dm.c:630
>        oldpid = <value optimized out>
>        oldumask = 0
>        cmdbuf = "/bin/rm -f /var/lib/xdm/authdir/authfiles/A*\000ï¿½ï¿½ï¿½ï¿½210ï¿½ï¿½Uï¿½Wï¿½030]ï¿½200Zï¿½\205Ü·\000\000\000\000ï¿½ï¿½006eï¿½ï¿½\001", '\0' <repeats 19 times>, "ï¿½ï¿½ï¿½ï¿½ï¿½nï¿½ï¿½ï¿½ï¿½, '\0' <repeats 12 times>, "ï¿½177\000ï¿½P=ï¿½a\000\000\000,=ï¿½ï¿½ï¿½\b\000\000\000<\000\000\000ï¿½177\000ï¿½\034\000\000\000\226Xï¿½ï¿½ï¿½207Ü·ï¿½207Ü·\034\000\000\0009nï¿½ï¿½\v@ï¿½\177\000ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½...
>(gdb) 
>(gdb)

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Attachments on bug 286923: 205582 | 206581 | 206582 | 206583 | 206585 | 206586 | 207363 | 207364