Messages in this thread | | | Date | Thu, 1 Dec 2005 06:45:41 +0100 | From | Willy Tarreau <> | Subject | Re: Fix handling of ELF segments with zero filesize |
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On Thu, Dec 01, 2005 at 04:36:41PM +1100, David Gibson wrote: > On Thu, Dec 01, 2005 at 06:26:42AM +0100, Willy Tarreau wrote: > > On Thu, Dec 01, 2005 at 11:20:49AM +1100, David Gibson wrote: > > > Andrew, please apply > > > > > > mmap() returns -EINVAL if given a zero length, and thus elf_map() in > > > binfmt_elf.c does likewise if it attempts to map a (page-aligned) ELF > > > segment with zero filesize. Such a situation never arises with the > > > default linker scripts, but there's nothing inherently wrong with > > > zero-filesize (but non-zero memsize) ELF segments. Custom linker > > > scripts can generate them, and the kernel should be able to map them; > > > this patch makes it so. > > > > David, 2.4 has exactly the same code, do you see anything wrong with > > applying this patch to 2.4 too ? > > Nothing that I can think of.
Thanks, I'm queueing it for -hf and will resend it to Marcelo if he misses it.
Regards, Willy
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