diff options
| author | Paolo Abeni <pabeni@redhat.com> | 2022-02-19 00:35:41 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-02-19 15:28:00 +0300 |
| commit | 837cf45df163a3780bc04b555700231e95b31dc9 (patch) | |
| tree | f059a95f02bfad5cb1929eda0a3e26f0aca1bb94 /net/mptcp/pm.c | |
| parent | 98247bc16a27cf8ead4c47ce9f15888be85841fc (diff) | |
| download | linux-837cf45df163a3780bc04b555700231e95b31dc9.tar.xz | |
mptcp: fix race in incoming ADD_ADDR option processing
If an MPTCP endpoint received multiple consecutive incoming
ADD_ADDR options, mptcp_pm_add_addr_received() can overwrite
the current remote address value after the PM lock is released
in mptcp_pm_nl_add_addr_received() and before such address
is echoed.
Fix the issue caching the remote address value a little earlier
and always using the cached value after releasing the PM lock.
Fixes: f7efc7771eac ("mptcp: drop argument port from mptcp_pm_announce_addr")
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mptcp/pm.c')
0 files changed, 0 insertions, 0 deletions