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Re: Seg fault even though address space is accessible
From: |
Todimala |
Subject: |
Re: Seg fault even though address space is accessible |
Date: |
Tue, 29 Jul 2008 15:15:44 -0700 (PDT) |
***Apologize for the repetition. Maybe this is in a better format.
Hi All,
I got a segmentation fault while accessing a structure element.
I pasted the output from gdb and the backtrace.
However I am able successfully access the structure using the address from
the gdb output
after it seg faulted. Output from gdb also give below.
Any idea y this is happening?
yes I am trying to access the structure element from where it seg faulted.
I am surely missing something.
Any help is appreciated!
Thanks,
Ajay.
$$$$$$$$$$$$$ SEG FAULT $$$$$$$$$$$$$$$$$
Program received signal SIGSEGV, Segmentation fault.
checkBFVectorList (BFVecList=0x84187a0, BFlen=699)
at compute_sticky_IP_per_ASN.c:776
776 vector = vector->nextVector;
$$$$$$$$$$$$$$$$ BT $$$$$$$$$$$$$$$$$$$$
(gdb) bt
#0 checkBFVectorList (BFVecList=0x84187a0, BFlen=699)
at compute_sticky_IP_per_ASN.c:776
#1 0x08051bb3 in buildPeerDetailStructFromLine (line=0x8418dd0 "566",
peerStruct=0x8047124) at compute_sticky_IP_per_ASN.c:752
#2 0x080522c1 in main (argc=11, argv=0x8047348)
at compute_sticky_IP_per_ASN.c:179
$$$$$$$$$$$$$$$$$$$$ ACCESSING STRUCTURE $$$$$$$$$$$$$$$$$$$
(gdb) p *(bitfieldItemStruct *) 0x84187a0
$1 = {BFVector = 3309413121, nextVector = 0x84187b0}
(gdb) p ((bitfieldItemStruct *) 0x84187a0)->nextVector
$2 = (struct bitfieldItem *) 0x84187b0
(gdb) p ((struct bitfieldItem *) 0x84187a0)->nextVector
$3 = (struct bitfieldItem *) 0x84187b0
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