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linux/drivers/crypto/ccp
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Paul Moses 798d409a89 crypto: ccp - copy IV using skcipher ivsize 
[ Upstream commit a7a1f3cdd6 ]

AF_ALG rfc3686-ctr-aes-ccp requests pass an 8-byte IV to the driver.

ccp_aes_complete() restores AES_BLOCK_SIZE bytes into the caller's IV
buffer while RFC3686 skciphers expose an 8-byte IV, so the restore
overruns the provided buffer.

Use crypto_skcipher_ivsize() to copy only the algorithm's IV length.

Fixes: 2b789435d7 ("crypto: ccp - CCP AES crypto API support")
Signed-off-by: Paul Moses <p@1g4.org>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2026-06-01 17:35:37 +02:00
..
ccp-crypto-aes-cmac.c crypto: drivers - set the flag CRYPTO_ALG_ALLOCATES_MEMORY 2020-07-16 21:49:10 +10:00
ccp-crypto-aes-galois.c crypto: drivers - set the flag CRYPTO_ALG_ALLOCATES_MEMORY 2020-07-16 21:49:10 +10:00
ccp-crypto-aes-xts.c crypto: drivers - set the flag CRYPTO_ALG_ALLOCATES_MEMORY 2020-07-16 21:49:10 +10:00
ccp-crypto-aes.c crypto: ccp - copy IV using skcipher ivsize 2026-06-01 17:35:37 +02:00
ccp-crypto-des3.c crypto: drivers - set the flag CRYPTO_ALG_ALLOCATES_MEMORY 2020-07-16 21:49:10 +10:00
ccp-crypto-main.c crypto: ccp - Use DEFINE_SPINLOCK() for spinlock 2021-04-09 17:41:06 +10:00
ccp-crypto-rsa.c mm, treewide: rename kzfree() to kfree_sensitive() 2020-08-07 11:33:22 -07:00
ccp-crypto-sha.c crypto: sha - split sha.h into sha1.h and sha2.h 2020-11-20 14:45:33 +11:00
ccp-crypto.h crypto: sha - split sha.h into sha1.h and sha2.h 2020-11-20 14:45:33 +11:00
ccp-debugfs.c crypto: ccp - Fix crash when rebind ccp device for ccp.ko 2025-08-28 16:24:10 +02:00
ccp-dev-v3.c crypto: ccp - set max RSA modulus size for v3 platform devices as well 2019-12-11 16:36:55 +08:00
ccp-dev-v5.c crypto: ccp - Fix sparse warnings 2020-07-09 18:25:22 +10:00
ccp-dev.c crypto: ccp: ccp-dev: Fix a little doc-rot 2021-05-28 15:11:45 +08:00
ccp-dev.h crypto: ccp - Fix sparse warnings 2020-07-09 18:25:22 +10:00
ccp-dmaengine.c crypto: ccp - Failure on re-initialization due to duplicate sysfs filename 2023-03-10 09:39:11 +01:00
ccp-ops.c crypto: ccp - fix memleak in ccp_init_dm_workarea 2024-01-25 14:52:34 -08:00
Kconfig crypto: ccp -- don't "select" CONFIG_DMADEVICES 2020-04-16 16:49:22 +10:00
Makefile crypto: ccp - add TEE support for Raven Ridge 2019-12-20 14:58:32 +08:00
psp-dev.c crypto: ccp - Add an S4 restore flow 2026-03-04 07:19:42 -05:00
psp-dev.h crypto: ccp - add TEE support for Raven Ridge 2019-12-20 14:58:32 +08:00
sev-dev.c crypto: ccp: Don't attempt to copy ID to userspace if PSP command failed 2026-06-01 17:35:12 +02:00
sev-dev.h crypto: ccp: Use the stack and common buffer for INIT command 2021-04-21 12:20:07 -04:00
sp-dev.c crypto: ccp - Add an S4 restore flow 2026-03-04 07:19:42 -05:00
sp-dev.h crypto: ccp - Add an S4 restore flow 2026-03-04 07:19:42 -05:00
sp-pci.c crypto: ccp - Add an S4 restore flow 2026-03-04 07:19:42 -05:00
sp-platform.c crypto: ccp - drop platform ifdef checks 2024-06-16 13:39:16 +02:00
tee-dev.c crypto: ccp - Add an S4 restore flow 2026-03-04 07:19:42 -05:00
tee-dev.h crypto: ccp - Add an S4 restore flow 2026-03-04 07:19:42 -05:00