2.2.x mips signal crash

[H. J. Lu]

On Thu, Oct 31, 2002 at 02:50:28PM -0500, Jes Sorensen wrote:
> Hi
> 
> We are chasing a problem on Linux/mips with glibc-2.2.x, which I am not
> sure whether is a kernel bug or a libc bug. We haven't been able to
> reproduce it under Linux/x86 or Linux/ia64 so far though.
> 
> Basically what seems to be happening is the following, a task is
> spawned from fork(), the child sends some signals to the parent after
> which it exits.
> 
> The parent exits before the signals arrives and a signal is delivered
> some time after reaching exit(). As the signal handler is using
> printf() we get an explosion since the file descriptor seems to be
> gone (munmap()).
> 
> My question is as follows: Is one required to wait for signal delivery
> in the parent before exiting or unregister the signal handlers? or is
> it a genuine bug?
> 
> Any suggestions?
> 

A testcase?


H.J.