kern/72680: (Kernel Panic) FreeBSD 5.3 Does not survive fork bombing

[Nikolas Britton]

>Number:         72680
>Category:       kern
>Synopsis:       (Kernel Panic) FreeBSD 5.3 Does not survive fork bombing
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Oct 14 11:00:38 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator:     Nikolas Britton
>Release:        FreeBSD 5.3-BETA7
>Organization:
>Environment:
Stock FreeBSD 5.3-BETA7 ISO i386 Disk1
>Description:
FreeBSD does not survive fork bombing (cannot recover the system) and panics about 15 minutes into the event complaining about swapoff. To me this seems like a regression in system stability because 4.x can easily survive this same attack.
>How-To-Repeat:
Run this in a sh shell     :(){ :|:& };:
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: