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f4985a22ca
Fixes: - CVE-2020-10757 Run tested: ath79, ipq40xx Build tested: ath79, ipq40xx Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
61 lines
1.9 KiB
Diff
61 lines
1.9 KiB
Diff
From fd1799b0bf5efa46dd3e6dfbbf3955564807e508 Mon Sep 17 00:00:00 2001
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From: Felix Fietkau <nbd@nbd.name>
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Date: Fri, 7 Jul 2017 17:12:51 +0200
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Subject: kernel: prevent cryptomgr from pulling in useless extra dependencies for tests that are not run
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Reduces kernel size after LZMA by about 5k on MIPS
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lede-commit: 044c316167e076479a344c59905e5b435b84a77f
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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crypto/Kconfig | 13 ++++++-------
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crypto/algboss.c | 4 ++++
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2 files changed, 10 insertions(+), 7 deletions(-)
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--- a/crypto/Kconfig
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+++ b/crypto/Kconfig
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@@ -143,13 +143,13 @@ config CRYPTO_MANAGER
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cbc(aes).
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config CRYPTO_MANAGER2
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- def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y)
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- select CRYPTO_AEAD2
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- select CRYPTO_HASH2
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- select CRYPTO_BLKCIPHER2
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- select CRYPTO_AKCIPHER2
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- select CRYPTO_KPP2
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- select CRYPTO_ACOMP2
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+ def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y && !CRYPTO_MANAGER_DISABLE_TESTS)
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+ select CRYPTO_AEAD2 if !CRYPTO_MANAGER_DISABLE_TESTS
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+ select CRYPTO_HASH2 if !CRYPTO_MANAGER_DISABLE_TESTS
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+ select CRYPTO_BLKCIPHER2 if !CRYPTO_MANAGER_DISABLE_TESTS
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+ select CRYPTO_AKCIPHER2 if !CRYPTO_MANAGER_DISABLE_TESTS
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+ select CRYPTO_KPP2 if !CRYPTO_MANAGER_DISABLE_TESTS
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+ select CRYPTO_ACOMP2 if !CRYPTO_MANAGER_DISABLE_TESTS
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config CRYPTO_USER
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tristate "Userspace cryptographic algorithm configuration"
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@@ -162,7 +162,6 @@ config CRYPTO_USER
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config CRYPTO_MANAGER_DISABLE_TESTS
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bool "Disable run-time self tests"
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default y
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- depends on CRYPTO_MANAGER2
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help
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Disable run-time self tests that normally take place at
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algorithm registration.
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--- a/crypto/algboss.c
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+++ b/crypto/algboss.c
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@@ -246,8 +246,12 @@ static int cryptomgr_schedule_test(struc
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type = alg->cra_flags;
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/* Do not test internal algorithms. */
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+#ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
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+ type |= CRYPTO_ALG_TESTED;
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+#else
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if (type & CRYPTO_ALG_INTERNAL)
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type |= CRYPTO_ALG_TESTED;
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+#endif
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param->type = type;
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