Attachment 6002 Details for Bug 7718 – gdb backtrace

gdb backtrace

gdb-net.txt (text/plain), 8.84 KB, created by Chuck Short (mail address dead) on 2010-10-08 08:04:59 UTC

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Creator: Chuck Short (mail address dead)

Created: 2010-10-08 08:04:59 UTC

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obsolete

>GNU gdb (GDB) 7.2-ubuntu
>Copyright (C) 2010 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-linux-gnu".
>For bug reporting instructions, please see:
><http://www.gnu.org/software/gdb/bugs/>...
>Reading symbols from /usr/bin/net...Reading symbols from /usr/lib/debug/usr/bin/net.samba3...done.
>done.
>(gdb) handle SIG33 pass nostop noprint
>Signal        Stop	Print	Pass to program	Description
>SIG33         No	No	Yes		Real-time event 33
>(gdb) set pagination 0
>(gdb) run useraid[K[K[Ksidlist
>Starting program: /usr/bin/net usersidlist
>[Thread debugging using libthread_db enabled]
>
>Program received signal SIGSEGV, Segmentation fault.
>__libc_free (mem=0x2) at malloc.c:3709
>3709	malloc.c: No such file or directory.
>	in malloc.c
>(gdb) backtrace full
>#0  __libc_free (mem=0x2) at malloc.c:3709
>        ar_ptr = <value optimised out>
>        p = 0xfffffffa
>#1  0xb79a5ffd in free_user_token (c=0xb801d0d8, argc=0, argv=0xb801dc08) at utils/net_rpc.c:4061
>No locals.
>#2  net_usersidlist (c=0xb801d0d8, argc=0, argv=0xb801dc08) at utils/net_rpc.c:4597
>        num_tokens = 2
>        tokens = 0xb8081838
>        i = 1
>        __FUNCTION__ = "net_usersidlist"
>#3  0xb79cf435 in net_run_function (c=0xb801d0d8, argc=1, argv=0xb801dc04, whoami=0xb7e9e126 "net", table=0xb8015020) at utils/net_util.c:582
>No locals.
>#4  0xb79947cd in main (argc=2, argv=0xbffff8b4) at utils/net.c:914
>        opt = <value optimised out>
>        i = <value optimised out>
>        rc = 8
>        argc_new = 2
>        argv_new = 0xfffffffa
>        pc = 0xb801da60
>        frame = 0xb801d0a0
>        c = 0xb801d0d8
>        long_options = {{longName = 0xb7ea2cea "help", shortName = 104 'h', argInfo = 0, arg = 0x0, val = 104, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7e9e366 "workgroup", shortName = 119 'w', argInfo = 1, arg = 0xb801d120, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7ea08de "user", shortName = 85 'U', argInfo = 1, arg = 0xb801d0e4, val = 85, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7e9e03b "ipaddress", shortName = 73 'I', argInfo = 1, arg = 0x0, val = 73, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7f14ad0 "port", shortName = 112 'p', argInfo = 2, arg = 0xb801d100, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7e9e045 "myname", shortName = 110 'n', argInfo = 1, arg = 0xb801d0d8, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7ea5918 "server", shortName = 83 'S', argInfo = 1, arg = 0xb801d0dc, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7eba49b "encrypt", shortName = 101 'e', argInfo = 0, arg = 0x0, val = 101, descrip = 0xb7e9e5a0 "Encrypt SMB transport (UNIX extended servers only)", argDescrip = 0x0}, {longName = 0xb7e9e04c "container", shortName = 99 'c', argInfo = 1, arg = 0xb801d110, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7fabd1e "comment", shortName = 67 'C', argInfo = 1, arg = 0xb801d10c, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7e9e056 "maxusers", shortName = 77 'M', argInfo = 2, arg = 0xb801d108, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7fc7655 "flags", shortName = 70 'F', argInfo = 2, arg = 0xb801d114, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7e9e05f "long", shortName = 108 'l', argInfo = 0, arg = 0xb801d0f0, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7fafe93 "reboot", shortName = 114 'r', argInfo = 0, arg = 0xb801d0f4, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7e9e064 "force", shortName = 102 'f', argInfo = 0, arg = 0xb801d0f8, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7eac9ec "stdin", shortName = 105 'i', argInfo = 0, arg = 0xb801d0fc, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7eba67f "timeout", shortName = 116 't', argInfo = 2, arg = 0xb801d118, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7e9e06a "request-timeout", shortName = 0 '\000', argInfo = 2, arg = 0xb801d11c, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7e9e07a "machine-pass", shortName = 80 'P', argInfo = 0, arg = 0xb801d124, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7e9fb74 "kerberos", shortName = 107 'k', argInfo = 0, arg = 0xb801d154, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7e9e087 "myworkgroup", shortName = 87 'W', argInfo = 1, arg = 0xb801d0ec, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7e9e093 "use-ccache", shortName = 0 '\000', argInfo = 0, arg = 0xb801d15c, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7e9e09e "verbose", shortName = 118 'v', argInfo = 0, arg = 0xb801d104, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7e9e0a6 "test", shortName = 84 'T', argInfo = 0, arg = 0xb801d150, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7f97b82 "local", shortName = 76 'L', argInfo = 0, arg = 0xb801d128, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7e9fc71 "domain", shortName = 68 'D', argInfo = 0, arg = 0xb801d12c, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7e9e0ab "ntname", shortName = 78 'N', argInfo = 1, arg = 0xb801d134, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7f9efed "rid", shortName = 82 'R', argInfo = 2, arg = 0xb801d138, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7eba3db "acls", shortName = 0 '\000', argInfo = 0, arg = 0xb801d13c, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7f27896 "attrs", shortName = 0 '\000', argInfo = 0, arg = 0xb801d140, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7e9e0b2 "timestamps", shortName = 0 '\000', argInfo = 0, arg = 0xb801d144, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7e9e0bd "exclude", shortName = 88 'X', argInfo = 1, arg = 0xb801d148, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7e9e0c5 "destination", shortName = 0 '\000', argInfo = 1, arg = 0xb801d14c, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7e9e0d1 "tallocreport", shortName = 0 '\000', argInfo = 0, arg = 0xb801d130, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7e9e0de "force-full-repl", shortName = 0 '\000', argInfo = 0, arg = 0xb801d158, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7e9e0ee "single-obj-repl", shortName = 0 '\000', argInfo = 0, arg = 0xb801d160, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0xb7e9e0fe "clean-old-entries", shortName = 0 '\000', argInfo = 0, arg = 0xb801d164, val = 0, descrip = 0x0, argDescrip = 0x0}, {longName = 0x0, shortName = 0 '\000', argInfo = 4, arg = 0xb8019640, val = 0, descrip = 0xb7e9e110 "Common samba options:", argDescrip = 0x0}, {longName = 0x0, shortName = 0 '\000', argInfo = 0, arg = 0x0, val = 0, descrip = 0x0, argDescrip = 0x0}}
>        __FUNCTION__ = "main"
>(gdb)  info registers
>eax            0x0	0
>ecx            0xb76ca3c0	-1217616960
>edx            0xfffffffa	-6
>ebx            0xb76c8ff4	-1217622028
>esp            0xbffff2b8	0xbffff2b8
>ebp            0xbffff2c8	0xbffff2c8
>esi            0xb8081950	-1207428784
>edi            0xb8081838	-1207429064
>eip            0xb75dfe21	0xb75dfe21 <__libc_free+49>
>eflags         0x10297	[ CF PF AF SF IF RF ]
>cs             0x73	115
>ss             0x7b	123
>ds             0x7b	123
>es             0x7b	123
>fs             0x0	0
>gs             0x33	51
>(gdb) x/16i $pc
>=> 0xb75dfe21 <__libc_free+49>:	mov    0x4(%edx),%eax
>   0xb75dfe24 <__libc_free+52>:	test   $0x2,%al
>   0xb75dfe26 <__libc_free+54>:	jne    0xb75dfe80 <__libc_free+144>
>   0xb75dfe28 <__libc_free+56>:	test   $0x4,%al
>   0xb75dfe2a <__libc_free+58>:	lea    0x13cc(%ebx),%esi
>   0xb75dfe30 <__libc_free+64>:	je     0xb75dfe3b <__libc_free+75>
>   0xb75dfe32 <__libc_free+66>:	mov    %edx,%eax
>   0xb75dfe34 <__libc_free+68>:	and    $0xfff00000,%eax
>   0xb75dfe39 <__libc_free+73>:	mov    (%eax),%esi
>   0xb75dfe3b <__libc_free+75>:	xor    %eax,%eax
>   0xb75dfe3d <__libc_free+77>:	mov    $0x1,%ecx
>   0xb75dfe42 <__libc_free+82>:	cmpl   $0x0,%gs:0xc
>   0xb75dfe4a <__libc_free+90>:	je     0xb75dfe4d <__libc_free+93>
>   0xb75dfe4c <__libc_free+92>:	lock cmpxchg %ecx,(%esi)
>   0xb75dfe50 <__libc_free+96>:	jne    0xb75e1658 <_L_lock_9687>
>   0xb75dfe56 <__libc_free+102>:	mov    %esi,%eax
>(gdb) thread apply all backtrace
>
>Thread 1 (Thread 0xb73c8710 (LWP 939)):
>#0  __libc_free (mem=0x2) at malloc.c:3709
>#1  0xb79a5ffd in free_user_token (c=0xb801d0d8, argc=0, argv=0xb801dc08) at utils/net_rpc.c:4061
>#2  net_usersidlist (c=0xb801d0d8, argc=0, argv=0xb801dc08) at utils/net_rpc.c:4597
>#3  0xb79cf435 in net_run_function (c=0xb801d0d8, argc=1, argv=0xb801dc04, whoami=0xb7e9e126 "net", table=0xb8015020) at utils/net_util.c:582
>#4  0xb79947cd in main (argc=2, argv=0xbffff8b4) at utils/net.c:914
>(gdb) quit
>A debugging session is active.
>
>	Inferior 1 [process 939] will be killed.
>
>Quit anyway? (y or n)

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Attachments on bug 7718: 6002