[PATCH] MPSAFE/LOOKUP_SHARED cd9660
Paul B. Mahol
onemda at gmail.com
Wed Dec 10 17:22:45 UTC 2008
On 12/9/08, John Baldwin <jhb at freebsd.org> wrote:
> The RRIP stuff is all done in cd9660_vget_internal() under an exclusive
> lock.
> It could be a property of the ISO image. "PX" holds permissions (owner,
> etc.). Do you get the same messages w/o the patch with the same ISO image /
> CD?
>
> --
> John Baldwin
>
I searched little for this message and found kern/63446 PR interesting comment:
Caused by cd9660_vnops.c rev. 1.77. VOP_READDIR returns bogus
d_fileno, VFS_VGET on this value returns bogus vnode with zeroed attributes.
I think that whatever locking is done is done wrong.
--
Paul
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