diff options
| author |   John Fastabend <john.fastabend@gmail.com> | 2019-07-19 10:29:20 -0700 |
|---|---|---|
| committer |   Daniel Borkmann <daniel@iogearbox.net> | 2019-07-22 16:04:17 +0200 |
| commit | 2bb90e5cc90e1d09f631aeab041a9cf913a5bbe5 (patch) | |
| tree | 2bd6fddc5a229ea3926fffc1fa4841a16f45ad9d /include | |
| parent | bpf: sockmap, sock_map_delete needs to use xchg (diff) | |
| download | linux-dev-2bb90e5cc90e1d09f631aeab041a9cf913a5bbe5.tar.xz linux-dev-2bb90e5cc90e1d09f631aeab041a9cf913a5bbe5.zip | |
bpf: sockmap, synchronize_rcu before free'ing map
We need to have a synchronize_rcu before free'ing the sockmap because
any outstanding psock references will have a pointer to the map and
when they use this could trigger a use after free.
Fixes: 604326b41a6fb ("bpf, sockmap: convert to generic sk_msg interface")
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions