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authorVasily Averin <vvs@virtuozzo.com>2016-09-21 15:33:05 +0300
committerJ. Bruce Fields <bfields@redhat.com>2016-09-26 14:17:45 -0400
commit1eca45f8a840987d0df355e0176921653e4f7ec2 (patch)
tree7aad7b543bc8b14607968c78429478375dde02ce /fs/befs/Makefile
parent25d55296dd3eac23adb2ae46b67b65bf73b22fb2 (diff)
NFSD: fix corruption in notifier registration
By design notifier can be registered once only, however nfsd registers the same inetaddr notifiers per net-namespace. When this happen it corrupts list of notifiers, as result some notifiers can be not called on proper event, traverse on list can be cycled forever, and second unregister can access already freed memory. Cc: stable@vger.kernel.org fixes: 36684996 ("nfsd: Register callbacks on the inetaddr_chain and inet6addr_chain") Signed-off-by: Vasily Averin <vvs@virtuozzo.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/befs/Makefile')
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