diff options
author | Paolo Abeni <[email protected]> | 2022-02-18 13:35:41 -0800 |
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committer | David S. Miller <[email protected]> | 2022-02-19 12:28:00 +0000 |
commit | 837cf45df163a3780bc04b555700231e95b31dc9 (patch) | |
tree | f059a95f02bfad5cb1929eda0a3e26f0aca1bb94 /lib/test_overflow.c | |
parent | 98247bc16a27cf8ead4c47ce9f15888be85841fc (diff) |
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 <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
Signed-off-by: Mat Martineau <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'lib/test_overflow.c')
0 files changed, 0 insertions, 0 deletions