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| author | Paolo Abeni <pabeni@redhat.com> | 2021-01-12 20:25:23 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-01-13 07:09:19 +0300 |
| commit | 20bc80b6f582ad1151c52ca09ab66b472768c9c8 (patch) | |
| tree | 0ba67f80da78e148b9b06d4d9d7bc5075788fc43 /samples | |
| parent | ece9ab2a78afa1424c1aff45b1a95748dbc1f100 (diff) | |
| download | linux-20bc80b6f582ad1151c52ca09ab66b472768c9c8.tar.xz | |
mptcp: more strict state checking for acks
Syzkaller found a way to trigger division by zero
in mptcp_subflow_cleanup_rbuf().
The current checks implemented into tcp_can_send_ack()
are too week, let's be more accurate.
Reported-by: Christoph Paasch <cpaasch@apple.com>
Fixes: ea4ca586b16f ("mptcp: refine MPTCP-level ack scheduling")
Fixes: fd8976790a6c ("mptcp: be careful on MPTCP-level ack.")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'samples')
0 files changed, 0 insertions, 0 deletions