diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-09-29 07:37:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-09-29 07:37:46 -0700 |
| commit | 6e439bbd436e39f15abc9587cdd23d56257780cb (patch) | |
| tree | c511811d461bf387d1218e1cd089e6c5c1fa9da1 /drivers | |
| parent | a4e6f95a891ac08bd09d62e3e6dae239b150f4c1 (diff) | |
| parent | 0e14ef38669ce4faa80589247fe8ed8a3780f414 (diff) | |
| download | linux-6e439bbd436e39f15abc9587cdd23d56257780cb.tar.gz | |
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu: "This contains fixes for a resource leak in ccp as well as stack corruption in x86/sm4" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: x86/sm4 - Fix frame pointer stack corruption crypto: ccp - fix resource leaks in ccp_run_aes_gcm_cmd()
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/crypto/ccp/ccp-ops.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/crypto/ccp/ccp-ops.c b/drivers/crypto/ccp/ccp-ops.c index bb88198c874e..aa4e1a500691 100644 --- a/drivers/crypto/ccp/ccp-ops.c +++ b/drivers/crypto/ccp/ccp-ops.c @@ -778,7 +778,7 @@ ccp_run_aes_gcm_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd) in_place ? DMA_BIDIRECTIONAL : DMA_TO_DEVICE); if (ret) - goto e_ctx; + goto e_aad; if (in_place) { dst = src; @@ -863,7 +863,7 @@ ccp_run_aes_gcm_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd) op.u.aes.size = 0; ret = cmd_q->ccp->vdata->perform->aes(&op); if (ret) - goto e_dst; + goto e_final_wa; if (aes->action == CCP_AES_ACTION_ENCRYPT) { /* Put the ciphered tag after the ciphertext. */ @@ -873,17 +873,19 @@ ccp_run_aes_gcm_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd) ret = ccp_init_dm_workarea(&tag, cmd_q, authsize, DMA_BIDIRECTIONAL); if (ret) - goto e_tag; + goto e_final_wa; ret = ccp_set_dm_area(&tag, 0, p_tag, 0, authsize); - if (ret) - goto e_tag; + if (ret) { + ccp_dm_free(&tag); + goto e_final_wa; + } ret = crypto_memneq(tag.address, final_wa.address, authsize) ? -EBADMSG : 0; ccp_dm_free(&tag); } -e_tag: +e_final_wa: ccp_dm_free(&final_wa); e_dst: |