[PATCH] ld.so: Handle read-only dynamic section gracefully [BZ #28340]

[Siddhesh Poyarekar]

On 9/16/21 11:33 PM, Florian Weimer wrote:
> * H. J. Lu:
> 
>> No.  Relocation of vDSO dynamic section is done by elf_get_dynamic_info.
>> Here is a patch to remove the hack for vDSO.
> 
> I have concerns that this does not actually work on MIPS.  What happens
> if the object has a single RWX LOAD segment?  What kind of flags will
> the link editor set on the DYNAMIC segment in this case?  RWX or R, RX?
> I suspect it will be RWX, which means that we actually need the special
> case.

The DYNAMIC segment flags will be based on .dynamic, which is read-only 
for MIPS.

Siddhesh