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Re: [Xen-devel] [PATCH v1 07/11] xsplice: Implement payload loading



On 11/05/2015 10:35 AM, Jan Beulich wrote:
On 04.11.15 at 23:21, <konrad.wilk@xxxxxxxxxx> wrote:
+int xsplice_perform_rela(struct xsplice_elf *elf,
+                         struct xsplice_elf_sec *base,
+                         struct xsplice_elf_sec *rela)
+{
+    Elf64_Rela *r;
+    int symndx, i;

unsigned int

+    uint64_t val;
+    uint8_t *dest;
+

Can you double check that rela->sec-sh_entsize is not zero first?

Perhaps not just not zero, but at least a certain minimum? Or even
equaling some sizeof()?


Well it only makes sense if rela->sec-sh_entsize == sizeof(Elf64_Rela) so that is what I shall check for.

--
Ross Lagerwall

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