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CVS commit: src/sys/uvm

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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