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| author | Peng He <hepeng.0320@bytedance.com> | 2022-05-26 03:13:17 +0000 |
|---|---|---|
| committer | Ilya Maximets <i.maximets@ovn.org> | 2022-05-30 23:39:56 +0200 |
| commit | 805e9340d561e28838fa0dd35ad3babfe1d6db6f (patch) | |
| tree | 27c36601521f8e70cdcff7d7cd48dd16cc1c67a6 /ofproto | |
| parent | c67941e974da243795806e9ad478d49a2f1aa793 (diff) | |
| download | openvswitch-805e9340d561e28838fa0dd35ad3babfe1d6db6f.tar.gz | |
ofproto-dpif: Fix meter use-after-free.
Add a rcu_barrier before close_dpif_backer to ensure that
all meters have been freed before id_pool_destory meter's
id-pool.
Signed-off-by: Peng He <hepeng.0320@bytedance.com>
Tested-by: David Marchand <david.marchand@redhat.com>
Reviewed-by: David Marchand <david.marchand@redhat.com>
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Acked-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Diffstat (limited to 'ofproto')
| -rw-r--r-- | ofproto/ofproto-dpif.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/ofproto/ofproto-dpif.c b/ofproto/ofproto-dpif.c index 7a1bb0d18..d7544ef69 100644 --- a/ofproto/ofproto-dpif.c +++ b/ofproto/ofproto-dpif.c @@ -1848,6 +1848,8 @@ destruct(struct ofproto *ofproto_, bool del) seq_destroy(ofproto->ams_seq); + /* Wait for all the meter destroy work to finish. */ + ovsrcu_barrier(); close_dpif_backer(ofproto->backer, del); } |