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| author | MoYuanhao <[email protected]> | 2024-12-09 12:28:14 +0000 |
|---|---|---|
| committer | Jakub Kicinski <[email protected]> | 2024-12-11 02:26:52 +0000 |
| commit | 06d64ab46f19ac12f59a1d2aa8cd196b2e4edb5b (patch) | |
| tree | f5870d0869d99786ea8fd9f0c5dd8e0fe6f71f37 /net/unix/af_unix.c | |
| parent | Documentation: networking: Add a caveat to nexthop_compat_mode sysctl (diff) | |
| download | kernel-06d64ab46f19ac12f59a1d2aa8cd196b2e4edb5b.tar.gz kernel-06d64ab46f19ac12f59a1d2aa8cd196b2e4edb5b.zip | |
tcp: check space before adding MPTCP SYN options
Ensure there is enough space before adding MPTCP options in
tcp_syn_options().
Without this check, 'remaining' could underflow, and causes issues. If
there is not enough space, MPTCP should not be used.
Signed-off-by: MoYuanhao <[email protected]>
Fixes: cec37a6e41aa ("mptcp: Handle MP_CAPABLE options for outgoing connections")
Cc: [email protected]
Acked-by: Matthieu Baerts (NGI0) <[email protected]>
[ Matt: Add Fixes, cc Stable, update Description ]
Signed-off-by: Matthieu Baerts (NGI0) <[email protected]>
Reviewed-by: Eric Dumazet <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
Diffstat (limited to 'net/unix/af_unix.c')
0 files changed, 0 insertions, 0 deletions