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PR/54759 CVS commit: src/sys/uvm

The following reply was made to PR kern/54759; it has been noted by GNATS.

From: "Andrew Doran" <>
Subject: PR/54759 CVS commit: src/sys/uvm
Date: Tue, 7 Apr 2020 19:11:13 +0000

 Module Name:	src
 Committed By:	ad
 Date:		Tue Apr  7 19:11:13 UTC 2020
 Modified Files:
 	src/sys/uvm: uvm_bio.c
 Log Message:
 PR kern/54759: vm.ubc_direct deadlock when read()/write() into mapping of itself
 Prevent ubc_uiomove_direct() on mapped vnodes.
 To generate a diff of this commit:
 cvs rdiff -u -r1.106 -r1.107 src/sys/uvm/uvm_bio.c
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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