Re: [PATCH] Check sh_entsize is not zero.

2018-10-19 Thread Mark Wielaard
On Fri, 2018-10-19 at 15:03 +0200, Mark Wielaard wrote: > There were some recent bug reports where we trusted the ELF section > header > to be sane and divided the sh_size by the sh_entsize to get the > number of > objects in the section. This would cause a divide by zero if the file > was > corrup

[PATCH] Check sh_entsize is not zero.

2018-10-19 Thread Mark Wielaard
There were some recent bug reports where we trusted the ELF section header to be sane and divided the sh_size by the sh_entsize to get the number of objects in the section. This would cause a divide by zero if the file was corrupt and the sh_entsize was zero. Add checks for any such code. Signed-o