Potential DOS in load_elf_library?

[Yichen Xie]

Hi guys, I was looking at the load_elf_library function (fs/binfmt_elf.c) 
in 2.6.10, and noticed the following:

        elf_phdata = (struct elf_phdr *) kmalloc(j, GFP_KERNEL);
        ...
        while (elf_phdata->p_type != PT_LOAD) elf_phdata++;
        ...
        kfree(elf_phdata);
Could this be problematic since the pointer being freed might be different 
from that returned from kmalloc?
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