Hi,
According to ULK 3rd edition, the stack of a process start from
0xc0000000 and grow towards lower address. It is not the case in the
following session:
root [ ~ ]# ulimit -s unlimited
root [ ~ ]# cat /proc/self/maps
08048000-0804c000 r-xp 00000000 03:01 272003 /bin/cat
0804c000-0804d000 rw-p 00003000 03:01 272003 /bin/cat
0804d000-0806e000 rw-p 0804d000 00:00 0 [heap]
40000000-4001a000 r-xp 00000000 03:01 176003 /lib/ld-2.5.1.so
4001a000-4001b000 r--p 00019000 03:01 176003 /lib/ld-2.5.1.so
4001b000-4001c000 rw-p 0001a000 03:01 176003 /lib/ld-2.5.1.so
40025000-40026000 rw-p 40025000 00:00 0
40026000-4014b000 r-xp 00000000 03:01 176002 /lib/libc-2.5.1.so
4014b000-4014d000 r--p 00125000 03:01 176002 /lib/libc-2.5.1.so
4014d000-4014e000 rw-p 00127000 03:01 176002 /lib/libc-2.5.1.so
4014e000-40152000 rw-p 4014e000 00:00 0
bf9f8000-bfa0e000 rw-p bf9f8000 00:00 0 [stack]
ffffe000-fffff000 r-xp 00000000 00:00 0 [vdso]
It is obvious that the stack of cat's process start from 0xbfa0e000.
Is there any explanation about this situation?
p.s.
The version of the linux is 2.6.22.5.
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