* Matt Dillon <[EMAIL PROTECTED]> [010917 16:04] wrote:
> 
> :
> :* Matt Dillon <[EMAIL PROTECTED]> [010917 15:32] wrote:
> :>     sshd died on one of our machines today.  The traceback seems to 
> :>     indicate that a signal is interrupting a free().  I'm going to 
> :>     play with the code a bit to see if there's an easy fix.
> :> 
> :>     This bug can't occur very often... the key regeneration signal
> :>     has to occur *just* as sshd is trying to free() something.
> :
> :The bug seems more likely to be caused by use of unsafe functions
> :in a signal handler.
> :
> :I'm really suprised that the OpenSSH team didn't slap whomever decided
> :to do so much processing within a signal handler silly.
> 
>     It's funny... they had an XXX comment in there so obviously someone
>     was a little jittery about it.  I think they just didn't realize that
>     a malloc() might occur inside the signal handler or they would have
>     fixed it long ago.
> 
>     UNIX signals suck.

Any async notification would require the same amount of care.

Most programmers suck. :)

-- 
-Alfred Perlstein [[EMAIL PROTECTED]]
'Instead of asking why a piece of software is using "1970s technology,"
start asking why software is ignoring 30 years of accumulated wisdom.'

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