Re: [Patch] Elf loader crash while zero-filling .bss

[Andreas Schwab]

Jiri Kosina <jkosina@xxxxxxx> writes:

> On Mon, 11 Feb 2008, H. Peter Anvin wrote:
>
>
>> > Now, the question is whether it is valid for ELF binary to not have the end
>> > of .bss section (if present at all) not page-aligned.
>> Why wouldn't it be?  It would, however, be valid to the kernel to round it up
>> to the next boundary.
>
> I wasn't immediately sure if there is nothing in ELF specification that 
> would forbid that.

The only requirement for a loadable segment is that its address is
congruent modulo alignment with the file offset.

Andreas.

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Andreas Schwab, SuSE Labs, schwab@xxxxxxx
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