[PATCH] elf: sanitize objname in _dl_signal_error

[Jiangfeng Xiao]

On 2024/4/2 23:00, H.J. Lu wrote:

>>>
>>
>> Maybe. However, the glibc code may reference null pointers,
>> which should be fixed.
> 
> Not if a null pointer should never happen.
> 
If the fatal_error(0, NULL, NULL, NULL, "invalid mode parameter")
code in the _dl_signal_error function will never be executed,
delete the redundant code. If it is possible, even if the
possibility is very low, it should be fixed.