diff options
| author |   Harsh Jain <harsh@chelsio.com> | 2016-11-29 19:00:34 +0530 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2016-11-30 19:46:44 +0800 |
| commit | 66bf093772040ae8b864d2cf953f2c73005f7815 (patch) | |
| tree | f263ef833a13fb2976d9e91719c8c715b8d88846 /drivers | |
| parent | crypto: drbg - prevent invalid SG mappings (diff) | |
| download | wireguard-linux-66bf093772040ae8b864d2cf953f2c73005f7815.tar.xz wireguard-linux-66bf093772040ae8b864d2cf953f2c73005f7815.zip | |
crypto: chcr - Fix memory corruption
Fix memory corruption done by *((u32 *)dec_key + k)
operation.
Signed-off-by: Jitendra Lulla <JLULLA@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/crypto/chelsio/chcr_algo.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/crypto/chelsio/chcr_algo.h b/drivers/crypto/chelsio/chcr_algo.h index ec64fbcdeb49..199b0bb69b89 100644 --- a/drivers/crypto/chelsio/chcr_algo.h +++ b/drivers/crypto/chelsio/chcr_algo.h @@ -422,7 +422,7 @@ static inline void get_aes_decrypt_key(unsigned char *dec_key, { u32 temp; u32 w_ring[MAX_NK]; - int i, j, k = 0; + int i, j, k; u8 nr, nk; switch (keylength) { @@ -460,6 +460,7 @@ static inline void get_aes_decrypt_key(unsigned char *dec_key, temp = w_ring[i % nk]; i++; } + i--; for (k = 0, j = i % nk; k < nk; k++) { *((u32 *)dec_key + k) = htonl(w_ring[j]); j--; |