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2022-10-19T03:05:43.937708Z
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V 424
Fix a vnode locking bug in fuse_vnop_advlock.

Must lock the vnode before accessing the fufh table.  Also, check for
invalid parameters earlier.  Bug introduced by r346170.

MFC after:	2 weeks

Reviewed by:	cem
Differential Revision:	https://reviews.freebsd.org/D27936

(cherry picked from commit 542711e52079f65647ac1daadf0c9e74cb221f3e)

Git Hash:   c76461e064b675c8edd3b1d9bb917905a885a860
Git Author: asomers@FreeBSD.org
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