[glade--] Error from calling malloc

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Dear all:

I encountered some problem while calling malloc. Here is the back trace from
gdb:

(gdb) bt
#0  0xb7eb086b in ?? () from /lib/libc.so.6
#1  0xb7fb1000 in ?? ()
#2  0x00000010 in ?? ()
#3  0xb7f704c0 in ?? () from /lib/libc.so.6
#4  0xb7f704c0 in ?? () from /lib/libc.so.6
#5  0xbfad3e84 in ?? ()
#6  0xb7eaa7a5 in ?? () from /lib/libc.so.6
#7  0xb7eb27fe in malloc () from /lib/libc.so.6
#8  0x0804a237 in GetAvailableInTime (badTimeList=0x80db660) at
random_pair.c:1171
#9  0x08049e50 in GetGlobalAvailableTxTime (thisPair=0x804d5f0) at
random_pair.c:994
#10 0x080495b3 in GetStartTime (currentPair=0x804d5f0) at random_pair.c:657
#11 0x080494b3 in Schedule (sequence=0x804d170, PRINT=0) at
random_pair.c:615
#12 0x0804886c in main () at random_pair.c:181

The first thing is: what I can do to step into functions in /lib/libc.so.6
so I can locate the problem more precisely.
Second: in what circumstances will malloc get corrupted?

-- 
-------------------------------------------------------------------
Yang Guan
Shanghai Jiao Tong University

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<div>Dear all:</div><div><br></div><div>I encountered some problem while ca=
lling malloc. Here is the back trace from gdb:</div><div><br></div><div>(gd=
b) bt</div><div>#0 &nbsp;0xb7eb086b in ?? () from /lib/libc.so.6</div><div>=
#1 &nbsp;0xb7fb1000 in ?? ()</div>
<div>#2 &nbsp;0x00000010 in ?? ()</div><div>#3 &nbsp;0xb7f704c0 in ?? () fr=
om /lib/libc.so.6</div><div>#4 &nbsp;0xb7f704c0 in ?? () from /lib/libc.so.=
6</div><div>#5 &nbsp;0xbfad3e84 in ?? ()</div><div>#6 &nbsp;0xb7eaa7a5 in ?=
? () from /lib/libc.so.6</div>
<div>#7 &nbsp;0xb7eb27fe in malloc () from /lib/libc.so.6</div><div>#8 &nbs=
p;0x0804a237 in GetAvailableInTime (badTimeList=3D0x80db660) at random_pair=
.c:1171</div><div>#9 &nbsp;0x08049e50 in GetGlobalAvailableTxTime (thisPair=
=3D0x804d5f0) at random_pair.c:994</div>
<div>#10 0x080495b3 in GetStartTime (currentPair=3D0x804d5f0) at random_pai=
r.c:657</div><div>#11 0x080494b3 in Schedule (sequence=3D0x804d170, PRINT=
=3D0) at random_pair.c:615</div><div>#12 0x0804886c in main () at random_pa=
ir.c:181</div>
<div><br></div><div>The first thing is: what I can do to step into function=
s in /lib/libc.so.6 so I can locate the problem more precisely.</div><div>S=
econd: in what circumstances will malloc get corrupted?&nbsp;</div><br>-- <=
br>
-------------------------------------------------------------------<br>Yang=
 Guan<br>Shanghai Jiao Tong University<br>

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