Re: [exim] 4.95-RC0 - SIGSEGV (maybe attempt to write to imm…

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Author: Jeremy Harris
Date:  
To: exim users
Subject: Re: [exim] 4.95-RC0 - SIGSEGV (maybe attempt to write to immutable memory) & other oddities
On 07/10/2021 08:49, Odhiambo Washington wrote:
> That developer seems to have missed that, apparently, Exim catches the
> signal SIGSEGV, which means that signal will never cause a coredump.


Wrong, right, and wrong (in that order).

If "that developer" is supposed to mean me, I'd point
out that the handler for SIGSEGV writes a log line, un-installs
itself, and sends a SIGSEGV to itself. Which causes a
coredump if they are permitted by the OS.
--
Cheers,
Jeremy