CVSROOT: /cvs
Module name: src
Changes by: kette...@cvs.openbsd.org 2019/01/10 13:26:34
Modified files:
sys/uvm : uvm_glue.c
Log message:
Hold a read lock on the map while doing the actual device I/O during in
physio(9) to prevent another thread from unmapping the memory and triggering
an assertion or even corruption random physical memory pages.
ok deraadt@
Should fix:
Reported-by: syzbot+b8e7faf688f8c9d34...@syzkaller.appspotmail.com
Reported-by: syzbot+b6a9255faa0605669...@syzkaller.appspotmail.com
