Re: kern/54802 (gdb -p kills the kernel)

To: kamil%netbsd.org@localhost, kern-bug-people%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, kamil%NetBSD.org@localhost, martin%NetBSD.org@localhost
Subject: Re: kern/54802 (gdb -p kills the kernel)
From: kamil%NetBSD.org@localhost
Date: Fri, 27 Dec 2019 12:13:24 +0000 (UTC)

Synopsis: gdb -p kills the kernel

Responsible-Changed-From-To: kern-bug-people->kamil
Responsible-Changed-By: kamil%NetBSD.org@localhost
Responsible-Changed-When: Fri, 27 Dec 2019 13:13:24 +0100
Responsible-Changed-Why:
I have got a reproducer. It is a bug in PT_LWPSTATUS/NEXT when iterating over LWPs.
For some reason a zombie LWP is picked and the kernel panics on addref().

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