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List:       kdevelop-bugs
Subject:    [Bug 159910] Crashes periodically with SIGABRT and memory corruption
From:       "Tais M.Hansen" <tais.hansen () osd ! dk>
Date:       2008-03-27 12:33:34
Message-ID: 20080327123334.30232.qmail () ktown ! kde ! org
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http://bugs.kde.org/show_bug.cgi?id=159910         




------- Additional Comments From tais.hansen osd dk  2008-03-27 13:33 -------
Crashes seems to be producing varying backtraces. Here's a full backtrace from a \
recent "crash-while-editing":

(gdb) bt full
#0  0xb7f93410 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb60a7c55 in *__GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = <value optimized out>
        pid = -1239748620
        selftid = 19783
#2  0xb60a9461 in *__GI_abort () at abort.c:88
        act = {__sigaction_handler = {sa_handler = 0, sa_sigaction = 0}, sa_mask = \
{__val = {1, 0, 0, 3055218676, 1, 3053984972, 3043957068, 3054979591, 3086676544, 0, \
3086676544, 0, 3043957196, 3043957044, 9, 3043957124, 3054742706,  3055218676, 9, \
3043957124, 3043957068, 3054742885, 18, 0, 9, 7, 3043957240, 3054841480, 18, \
3043957124, 9, 0}}, sa_flags = -1239861063, sa_restorer = 0xb56f1984}  sigs = {__val \
= {32, 0 <repeats 31 times>}} #3  0xb60df78c in __libc_message (do_abort=2, \
fmt=0xb6195648 "*** glibc detected *** %s: %s: 0x%s ***\n") at \
../sysdeps/unix/sysv/linux/libc_fatal.c:170  ap = 0xb56f2060 "�V\031�\020"
        ap_copy = 0xb56f2054 "\225.���V\031�g o��V\031�\020"
        fd = 18
        list = <value optimized out>
        nlist = 7
        cp = <value optimized out>
        written = 6
#4  0xb60e53e6 in malloc_printerr (action=2, str=0xb61956dc "double free or \
corruption (fasttop)", ptr=<value optimized out>) at malloc.c:5891  buf = "b4a0de18"
        cp = 0x4d47 <Address 0x4d47 out of bounds>
#5  0xb60e7069 in *__GI___libc_free (mem=0xb4a0de18) at malloc.c:3626
        ar_ptr = (mstate) 0xb4a00010
        p = (mchunkptr) 0x6
        hook = <value optimized out>
#6  0xb6295ce3 in operator delete (ptr=0x0) at \
/var/tmp/paludis/sys-devel/gcc-4.2.3/work/gcc-4.2.3/libstdc++-v3/libsupc++/del_op.cc:49
 No locals.
#7  0xb6295d2f in operator delete[] (ptr=0xb4a0de18) at \
/var/tmp/paludis/sys-devel/gcc-4.2.3/work/gcc-4.2.3/libstdc++-v3/libsupc++/del_opv.cc:37
 No locals.
#8  0xb6c6db0d in QStringData::deleteSelf () from /usr/qt/3/lib/libqt-mt.so.3
No symbol table info available.
#9  0xb7f5be16 in ~QValueListPrivate (this=0xb4c0e190) at \
/usr/qt/3/include/qstring.h:848 No locals.
#10 0xb6c660ae in QRegExp::cap () from /usr/qt/3/lib/libqt-mt.so.3
No symbol table info available.
#11 0xb593076e in PHPFile::ParseFunction (this=0x8bcfbb8, line= 0xb56f2288, \
lineNo=194) at phpfile.cpp:191  function = {eng = 0xb4a163b8, priv = 0xb4a15c60}
#12 0xb59321b9 in PHPFile::ParseSource (this=0x8bcfbb8) at phpfile.cpp:461
        line = {static null = {static null = <same as static member of an already \
seen type>, d = 0x8059070, static shared_null = 0x8059070}, d = 0xb4a08888, static \
shared_null = 0x8059070}  lineNo = 194
        bracketOpen = 6
        bracketClose = 4
        bracketFuncOpen = 1
        bracketFuncClose = 1
        includere = {eng = 0x0, priv = 0xb4a10d80}
#13 0xb5932d6c in PHPFile::Analyse (this=0x8bcfbb8) at phpfile.cpp:132
No locals.
#14 0xb592b8ad in PHPParser::run (this=0x8a911b8) at phpparser.cpp:133
        file = (class PHPFile *) 0x8bcfbb8
        it = {node = 0x8c6e928}
#15 0xb69349a3 in QThreadInstance::start () from /usr/qt/3/lib/libqt-mt.so.3
No symbol table info available.
#16 0xb62ed16b in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#17 0xb6141b8e in clone () from /lib/libc.so.6
        fstab_state = {fs_fp = 0x0, fs_buffer = 0x0, fs_mntres = {mnt_fsname = 0x0, \
mnt_dir = 0x0, mnt_type = 0x0, mnt_opts = 0x0, mnt_freq = 0, mnt_passno = 0}, fs_ret \
= {fs_spec = 0x0, fs_file = 0x0, fs_vfstype = 0x0,  fs_mntops = 0x0, fs_type = 0x0, \
                fs_freq = 0, fs_passno = 0}}
        __elf_set___libc_subfreeres_element_fstab_free__ = (const void *) 0xb617cd90

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