Buildresult: crypto/x86_64-allmodconfig/x86_64-gcc8 built on Jan 3 2021, 09:42

kisskb

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Status:	OK
Date/Time:	Jan 3 2021, 09:42
Duration:	0:26:55.901140
Builder:	ka1
Revision:	crypto: ecdh - avoid buffer overflow in ecdh_set_secret() (`0aa171e9b267ce7c52d3a3df7bc9c1fc0203dec5)`
Target:	crypto/x86_64-allmodconfig/x86_64-gcc8
Branch:	crypto
Compiler:	x86_64-gcc8 (x86_64-linux-gcc (GCC) 8.1.0 / GNU ld (GNU Binutils) 2.30)
Config:	allmodconfig (download)
Log:	Download original Possible warnings (1) lib/bitfield_kunit.c:93:1: warning: the frame size of 7432 bytes is larger than 2048 bytes [-Wframe-larger-than=] Full Log # git rev-parse -q --verify 0aa171e9b267ce7c52d3a3df7bc9c1fc0203dec5^{commit} 0aa171e9b267ce7c52d3a3df7bc9c1fc0203dec5 already have revision, skipping fetch # git checkout -q -f -B kisskb 0aa171e9b267ce7c52d3a3df7bc9c1fc0203dec5 # git clean -qxdf # < git log -1 # commit 0aa171e9b267ce7c52d3a3df7bc9c1fc0203dec5 # Author: Ard Biesheuvel <ardb@kernel.org> # Date: Sat Jan 2 14:59:09 2021 +0100 # # crypto: ecdh - avoid buffer overflow in ecdh_set_secret() # # Pavel reports that commit 17858b140bf4 ("crypto: ecdh - avoid unaligned # accesses in ecdh_set_secret()") fixes one problem but introduces another: # the unconditional memcpy() introduced by that commit may overflow the # target buffer if the source data is invalid, which could be the result of # intentional tampering. # # So check params.key_size explicitly against the size of the target buffer # before validating the key further. # # Fixes: 17858b140bf4 ("crypto: ecdh - avoid unaligned accesses in ecdh_set_secret()") # Reported-by: Pavel Machek <pavel@denx.de> # Cc: <stable@vger.kernel.org> # Signed-off-by: Ard Biesheuvel <ardb@kernel.org> # Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-ld --version # < git log --format=%s --max-count=1 0aa171e9b267ce7c52d3a3df7bc9c1fc0203dec5 # < make -s -j 48 ARCH=x86 O=/kisskb/build/crypto_x86-allmodconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- allmodconfig # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_SAMPLES=n # < make -s -j 48 ARCH=x86 O=/kisskb/build/crypto_x86-allmodconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- help # make -s -j 48 ARCH=x86 O=/kisskb/build/crypto_x86-allmodconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- olddefconfig # make -s -j 48 ARCH=x86 O=/kisskb/build/crypto_x86-allmodconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- /kisskb/src/lib/bitfield_kunit.c: In function 'test_bitfields_constants': /kisskb/src/lib/bitfield_kunit.c:93:1: warning: the frame size of 7432 bytes is larger than 2048 bytes [-Wframe-larger-than=] } ^ Completed OK # rm -rf /kisskb/build/crypto_x86-allmodconfig_x86_64-gcc8 # Build took: 0:26:55.901140

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