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linux/drivers/crypto/caam
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Horia Geantă 80688afb9c crypto: caam - fix overflow on long hmac keys 
When a key longer than block size is supplied, it is copied and then
hashed into the real key.  The memory allocated for the copy needs to
be rounded to DMA cache alignment, as otherwise the hashed key may
corrupt neighbouring memory.

The copying is performed using kmemdup, however this leads to an overflow:
reading more bytes (aligned_len - keylen) from the keylen source buffer.
Fix this by replacing kmemdup with kmalloc, followed by memcpy.

Fixes: 199354d7fb ("crypto: caam - Remove GFP_DMA and add DMA alignment padding")
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 		2026-03-26 18:10:58 +09:00
..
Kconfig crypto: caam: Make CRYPTO_DEV_FSL_CAAM dependent of COMPILE_TEST 2024-07-04 10:19:23 -07:00
Makefile crypto: caam - avoid option aliasing with the CONFIG_CAAM_QI build option 2025-07-18 20:51:59 +10:00
blob_gen.c KEYS: trusted: caam based protected key 2025-10-20 12:10:28 +08:00
caamalg.c crypto: caam - Add support of paes algorithm 2025-10-20 12:10:28 +08:00
caamalg_desc.c crypto: caam - Add support of paes algorithm 2025-10-20 12:10:28 +08:00
caamalg_desc.h crypto: caam - Add support of paes algorithm 2025-10-20 12:10:28 +08:00
caamalg_qi.c move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
caamalg_qi2.c crypto: caam - fix overflow on long hmac keys 2026-03-26 18:10:58 +09:00
caamalg_qi2.h crypto: caam - fix netdev memory leak in dpaa2_caam_probe 2026-01-31 10:52:31 +08:00
caamhash.c crypto: caam - fix DMA corruption on long hmac keys 2026-03-26 18:10:58 +09:00
caamhash_desc.c crypto: caam - drop unexpected word 'for' in comments 2022-06-30 15:56:57 +08:00
caamhash_desc.h crypto: caam - keep both virtual and dma key addresses 2019-08-09 15:11:49 +10:00
caampkc.c crypto: caam - add error check to caam_rsa_set_priv_key_form 2024-11-15 19:52:51 +08:00
caampkc.h crypto: caam - Use new crypto_engine_op interface 2023-08-18 17:01:10 +08:00
caamprng.c crypto: caam - Remove GFP_DMA and add DMA alignment padding 2023-01-06 17:15:47 +08:00
caamrng.c crypto: caam - Add check for kcalloc() in test_len() 2025-10-17 16:03:57 +08:00
compat.h crypto: sha - split sha.h into sha1.h and sha2.h 2020-11-20 14:45:33 +11:00
ctrl.c crypto: caam - double the entropy delay interval for retry 2025-09-13 12:11:06 +08:00
ctrl.h crypto: caam - staticize caam_get_era() 2018-04-21 00:58:36 +08:00
debugfs.c crypto: caam - avoid option aliasing with the CONFIG_CAAM_QI build option 2025-07-18 20:51:59 +10:00
debugfs.h crypto: caam - avoid option aliasing with the CONFIG_CAAM_QI build option 2025-07-18 20:51:59 +10:00
desc.h KEYS: trusted: caam based protected key 2025-10-20 12:10:28 +08:00
desc_constr.h crypto: caam - Add support of paes algorithm 2025-10-20 12:10:28 +08:00
dpseci-debugfs.c crypto: caam - remove unnecessary (void*) conversions 2023-03-24 18:22:29 +08:00
dpseci-debugfs.h crypto: caam/qi2 - Add printing dpseci fq stats using debugfs 2019-08-02 14:44:01 +10:00
dpseci.c crypto: caam/qi2 - add support for dpseci_reset() 2020-06-18 17:19:45 +10:00
dpseci.h crypto: caam/qi2 - add support for dpseci_reset() 2020-06-18 17:19:45 +10:00
dpseci_cmd.h crypto: caam/qi2 - add support for dpseci_reset() 2020-06-18 17:19:45 +10:00
error.c crypto: caam - add more RNG hw error codes 2020-07-31 18:25:28 +10:00
error.h crypto: caam - fix return code in completion callbacks 2019-08-09 15:11:45 +10:00
intern.h crypto: caam - avoid option aliasing with the CONFIG_CAAM_QI build option 2025-07-18 20:51:59 +10:00
jr.c crypto: engine - remove request batching support 2025-07-18 20:52:00 +10:00
jr.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
key_gen.c crypto: caam - Remove GFP_DMA and add DMA alignment padding 2023-01-06 17:15:47 +08:00
key_gen.h crypto: caam - add Derived Key Protocol (DKP) support 2017-12-28 17:56:48 +11:00
pdb.h treewide: Replace zero-length arrays with flexible-array members 2022-02-17 07:00:39 -06:00
pkc_desc.c crypto: caam - select DMA address size at runtime 2019-08-30 18:05:30 +10:00
qi.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
qi.h crypto: caam - Remove GFP_DMA and add DMA alignment padding 2023-01-06 17:15:47 +08:00
regs.h crypto: caam - add power management support 2023-08-04 16:59:55 +08:00
sg_sw_qm.h crypto: caam - use len instead of nents for bulding HW S/G table 2019-06-20 14:18:33 +08:00
sg_sw_qm2.h crypto: caam - use len instead of nents for bulding HW S/G table 2019-06-20 14:18:33 +08:00
sg_sw_sec4.h crypto: caam - use len instead of nents for bulding HW S/G table 2019-06-20 14:18:33 +08:00