| Message ID | 20201109083356.11117-6-rohitm@chelsio.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | [net,v5,01/12] cxgb4/ch_ktls: decrypted bit is not enough | expand |
| Context | Check | Description |
|---|---|---|
| netdev/cover_letter | warning | Series does not have a cover letter |
| netdev/fixes_present | success | Link |
| netdev/patch_count | success | Link |
| netdev/tree_selection | success | Clearly marked for net |
| netdev/subject_prefix | success | Link |
| 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: 2 this patch: 2 |
| 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, 17 lines checked |
| netdev/build_allmodconfig_warn | success | Errors and warnings before: 2 this patch: 2 |
| netdev/header_inline | success | Link |
| netdev/stable | success | Stable not CCed |
diff --git a/drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c b/drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c index 950841988ffe..4286decce095 100644 --- a/drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c +++ b/drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c @@ -1729,10 +1729,13 @@ static int chcr_short_record_handler(struct chcr_ktls_info *tx_info, if (remaining_record > 0 && remaining_record < TLS_CIPHER_AES_GCM_128_TAG_SIZE) { - int trimmed_len = data_len - - (TLS_CIPHER_AES_GCM_128_TAG_SIZE - remaining_record); - /* don't process the pkt if it is only a partial tag */ - if (data_len < TLS_CIPHER_AES_GCM_128_TAG_SIZE) + int trimmed_len = 0; + + if (tls_end_offset > TLS_CIPHER_AES_GCM_128_TAG_SIZE) + trimmed_len = data_len - + (TLS_CIPHER_AES_GCM_128_TAG_SIZE - + remaining_record); + if (!trimmed_len) goto out; WARN_ON(trimmed_len > data_len);
trimmed length calculation goes wrong if skb has only tag part to send. It should be zero if there is no data bytes apart from TAG. Fixes: dc05f3df8fac ("chcr: Handle first or middle part of record") Signed-off-by: Rohit Maheshwari <rohitm@chelsio.com> --- .../chelsio/inline_crypto/ch_ktls/chcr_ktls.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-)