Message ID | 20210624093830.943139-3-atenart@kernel.org (mailing list archive) |
---|---|
State | Accepted |
Commit | c309217f91f2d2097c2a0a832d9bff50b88c81dc |
Delegated to: | Netdev Maintainers |
Headers | show |
Series | net: macsec: fix key length when offloading | expand |
Context | Check | Description |
---|---|---|
netdev/cover_letter | success | Link |
netdev/fixes_present | success | Link |
netdev/patch_count | success | Link |
netdev/tree_selection | success | Clearly marked for net |
netdev/subject_prefix | success | Link |
netdev/cc_maintainers | warning | 4 maintainers not CCed: steen.hegelund@microchip.com rikard.falkeborn@gmail.com linux@armlinux.org.uk ardb@kernel.org |
netdev/source_inline | success | Was 0 now: 0 |
netdev/verify_signedoff | success | Link |
netdev/module_param | success | Was 0 now: 0 |
netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
netdev/verify_fixes | success | Link |
netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 16 lines checked |
netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
netdev/header_inline | success | Link |
diff --git a/drivers/net/phy/mscc/mscc_macsec.c b/drivers/net/phy/mscc/mscc_macsec.c index 10be266e48e8..b7b2521c73fb 100644 --- a/drivers/net/phy/mscc/mscc_macsec.c +++ b/drivers/net/phy/mscc/mscc_macsec.c @@ -501,7 +501,7 @@ static u32 vsc8584_macsec_flow_context_id(struct macsec_flow *flow) } /* Derive the AES key to get a key for the hash autentication */ -static int vsc8584_macsec_derive_key(const u8 key[MACSEC_KEYID_LEN], +static int vsc8584_macsec_derive_key(const u8 key[MACSEC_MAX_KEY_LEN], u16 key_len, u8 hkey[16]) { const u8 input[AES_BLOCK_SIZE] = {0}; diff --git a/drivers/net/phy/mscc/mscc_macsec.h b/drivers/net/phy/mscc/mscc_macsec.h index 9c6d25e36de2..453304bae778 100644 --- a/drivers/net/phy/mscc/mscc_macsec.h +++ b/drivers/net/phy/mscc/mscc_macsec.h @@ -81,7 +81,7 @@ struct macsec_flow { /* Highest takes precedence [0..15] */ u8 priority; - u8 key[MACSEC_KEYID_LEN]; + u8 key[MACSEC_MAX_KEY_LEN]; union { struct macsec_rx_sa *rx_sa;
The key length used to store the macsec key was set to MACSEC_KEYID_LEN (16), which is an issue as: - This was never meant to be the key length. - The key length can be > 16. Fix this by using MACSEC_MAX_KEY_LEN instead (the max length accepted in uAPI). Fixes: 28c5107aa904 ("net: phy: mscc: macsec support") Reported-by: Lior Nahmanson <liorna@nvidia.com> Signed-off-by: Antoine Tenart <atenart@kernel.org> --- drivers/net/phy/mscc/mscc_macsec.c | 2 +- drivers/net/phy/mscc/mscc_macsec.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)