diff options
| author |   Jakub Kicinski <jakub.kicinski@netronome.com> | 2019-06-28 16:11:39 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-07-01 19:22:36 -0700 |
| commit | acd3e96d53a24d219f720ed4012b62723ae05da1 (patch) | |
| tree | 72f95626e91ff78f4530d1d2cc7425932b9e95fe /net/tls | |
| parent | net/tls: reject offload of TLS 1.3 (diff) | |
| download | wireguard-linux-acd3e96d53a24d219f720ed4012b62723ae05da1.tar.xz wireguard-linux-acd3e96d53a24d219f720ed4012b62723ae05da1.zip | |
net/tls: make sure offload also gets the keys wiped
Commit 86029d10af18 ("tls: zero the crypto information from tls_context
before freeing") added memzero_explicit() calls to clear the key material
before freeing struct tls_context, but it missed tls_device.c has its
own way of freeing this structure. Replace the missing free.
Fixes: 86029d10af18 ("tls: zero the crypto information from tls_context before freeing")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tls')
| -rw-r--r-- | net/tls/tls_device.c | 2 | ||||
| -rw-r--r-- | net/tls/tls_main.c | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c index 397990407ed6..eb8f24f420f0 100644 --- a/net/tls/tls_device.c +++ b/net/tls/tls_device.c @@ -61,7 +61,7 @@ static void tls_device_free_ctx(struct tls_context *ctx) if (ctx->rx_conf == TLS_HW) kfree(tls_offload_ctx_rx(ctx)); - kfree(ctx); + tls_ctx_free(ctx); } static void tls_device_gc_task(struct work_struct *work) diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c index e2b69e805d46..4674e57e66b0 100644 --- a/net/tls/tls_main.c +++ b/net/tls/tls_main.c @@ -251,7 +251,7 @@ static void tls_write_space(struct sock *sk) ctx->sk_write_space(sk); } -static void tls_ctx_free(struct tls_context *ctx) +void tls_ctx_free(struct tls_context *ctx) { if (!ctx) return; @@ -643,7 +643,7 @@ static void tls_hw_sk_destruct(struct sock *sk) ctx->sk_destruct(sk); /* Free ctx */ - kfree(ctx); + tls_ctx_free(ctx); icsk->icsk_ulp_data = NULL; } |