Re: cvs commit: src/sys/sys vnode.h src/sys/gnu/ext2fs ext2_vnops.c src/sys/nfsclient nfs_vnops.c src/sys/ufs/ufs ufs_vnops.c
In message <200412052230.iB5MUTZs021927_at_repoman.freebsd.org>, Marcel Moolenaar
>marcel 2004-12-05 22:30:29 UTC
> FreeBSD src repository
> Modified files:
> sys/sys vnode.h
> sys/gnu/ext2fs ext2_vnops.c
> sys/nfsclient nfs_vnops.c
> sys/ufs/ufs ufs_vnops.c
> Fix null-pointer indirect function calls introduced in the previous
> commit. In the new world order, the transitive closure on the vector
> operations is not precomputed. As such, it's unsafe to actually use
> any of the function pointers in an indirect function call.
Uhm not really.
You'll notice that these three cases vector through a fifo_*specop*.
The "specop" as opposed to "vnodeop", means that you're supposed to
know what you're doing.
Did you actually get a zero pointer deref on this ?
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
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Received on Sun Dec 05 2004 - 22:37:14 UTC