kern/28834: hping2 -f can crash the system
Miles Nordin <carton <at> Ivy.NET>
2005-01-01 22:27:00 GMT
>Number: 28834
>Category: kern
>Synopsis: hping2 -f can crash the system
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: kern-bug-people
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Sat Jan 01 22:27:00 +0000 2005
>Originator: Miles Nordin
>Release: NetBSD 2.0_RC5 2004-11-14
>Organization:
Ivy Ministries
>Environment:
System: NetBSD castrovalva 2.0_RC5 NetBSD 2.0_RC5 (CASTROVALVA-$Revision: 1.8 $) #0: Fri Nov 26
19:01:56 EST 2004 carton <at> castrovalva:/scratch/src/sys/arch/alpha/compile/CASTROVALVA alpha
and
hping-2.0.0.2
Architecture: alpha
Machine: alpha
>Description:
running hping2 as root with -f option (which sends lots of tiny fragments)
can crash the system.
When crashed, it's unresponsive even to the serial console, not even echoing
newlines, and although I can enter the debugger, I couldn't kill hping2.
Each of the following:
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