Subject: Re: bug#40477: Segfault with grep-3.4 and pcre-8.44

From: Paul Eggert <[email-masked]>
Date: Mon, 6 Apr 2020 16:48:13 -0700

On 4/6/20 1:54 PM, Bruce Dubbs wrote:
> 
> Program received signal SIGSEGV, Segmentation fault.
> 0x000000000041cc03 in __libc_start_main ()
> (gdb) bt
> #0  0x000000000041cc03 in __libc_start_main ()
> #1  0x000000000040715a in _start () at ../sysdeps/x86_64/start.S:120

You'll have to debug this one, as grep's main function hasn't even started yet 
so the failure cannot be due to anything in grep's source code. Probably you 
linked it the wrong way somehow.