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Fix a race between file operations and rfork(RFCFDG) by parking
rS156759Unpublished

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Description

Fix a race between file operations and rfork(RFCFDG) by parking
all other threads at user boundary, the race can crash kernel
under stress testing.

Reviewed by: jhb
MFC after: 3 days

Details

Provenance
davidxuAuthored on
Parents
rS156758: when doing s/w crypto make sure work is done w/ a writable mbuf chain;
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