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Re: [Qemu-devel] ARM brk bug
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From: |
Andreas Schwab |
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Subject: |
Re: [Qemu-devel] ARM brk bug |
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Date: |
Sat, 03 Mar 2012 23:08:59 +0100 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.94 (gnu/linux) |
Paul Brook <address@hidden> writes:
>> 15545 brk(NULL) = 0x00012000
>> 15545 brk(0x00812000) = 0x00012000
>
> This is your bug. According to the trace above, the brk call fails, but
> returns success anyway. A quick look at do_brk confirms this suspicion.
This is not a bug. The brk syscall always returns the break value,
either the new one (on success) or the current one (on failure).
Andreas.
--
Andreas Schwab, address@hidden
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