Buildresult: linus/x86_64-randconfig/x86_64-gcc4.6 built on Nov 7 2017, 09:18
kisskb
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Status:
Failed
Date/Time:
Nov 7 2017, 09:18
Duration:
0:00:07.187378
Builder:
ka3
Revision:
scripts: add leaking_addresses.pl (
136fc5c41f349296db1910677bb7402b0eeff376)
Target:
linus/x86_64-randconfig/x86_64-gcc4.6
Branch:
linus
Compiler:
x86_64-gcc4.6
(x86_64-linux-gcc (GCC) 4.6.3)
Config:
randconfig
(
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Log:
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Possible errors
gcc: error trying to exec 'cc1plus': execvp: No such file or directory make[1]: *** [gcc-plugins-check] Error 1 make: *** [sub-make] Error 2
Possible warnings (1)
scripts/Makefile.gcc-plugins:24: warning: cannot use CONFIG_KCOV: -fsanitize-coverage=trace-pc is not supported by compiler
Full Log
# git rev-parse -q --verify 136fc5c41f349296db1910677bb7402b0eeff376^{commit} 136fc5c41f349296db1910677bb7402b0eeff376 already have revision, skipping fetch # git checkout -q -f -B kisskb 136fc5c41f349296db1910677bb7402b0eeff376 # git clean -qxdf # git log -1 commit 136fc5c41f349296db1910677bb7402b0eeff376 Author: Tobin C. Harding <me@tobin.cc> Date: Mon Nov 6 16:19:27 2017 +1100 scripts: add leaking_addresses.pl Currently we are leaking addresses from the kernel to user space. This script is an attempt to find some of those leakages. Script parses `dmesg` output and /proc and /sys files for hex strings that look like kernel addresses. Only works for 64 bit kernels, the reason being that kernel addresses on 64 bit kernels have 'ffff' as the leading bit pattern making greping possible. On 32 kernels we don't have this luxury. Scripts is _slightly_ smarter than a straight grep, we check for false positives (all 0's or all 1's, and vsyscall start/finish addresses). [ I think there is a lot of room for improvement here, but it's already useful, so I'm merging it as-is. The whole "hash %p format" series is expected to go into 4.15, but will not fix %x users, and will not incentivize people to look at what they are leaking. - Linus ] Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < git log --format=%s --max-count=1 136fc5c41f349296db1910677bb7402b0eeff376 # < make -j 10 ARCH=x86_64 O=/home/kisskb/slave/build/linus_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- randconfig KCONFIG_SEED=0xBD7AB25D # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_GCC_PLUGIN_CYC_COMPLEXITY=n # Added to kconfig CONFIG_GCC_PLUGIN_SANCOV=n # Added to kconfig CONFIG_GCC_PLUGIN_LATENT_ENTROPY=n # yes \n | make -j 10 ARCH=x86_64 O=/home/kisskb/slave/build/linus_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- oldconfig yes: standard output: Broken pipe yes: write error # make -j 10 ARCH=x86_64 O=/home/kisskb/slave/build/linus_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- make[1]: Entering directory '/home/kisskb/slave/build/linus_x86_64-randconfig_x86_64' GEN ./Makefile scripts/kconfig/conf --silentoldconfig Kconfig scripts/Makefile.gcc-plugins:24: warning: cannot use CONFIG_KCOV: -fsanitize-coverage=trace-pc is not supported by compiler SYSTBL arch/x86/entry/syscalls/../../include/generated/asm/syscalls_32.h SYSHDR arch/x86/entry/syscalls/../../include/generated/asm/unistd_32_ia32.h SYSHDR arch/x86/entry/syscalls/../../include/generated/asm/unistd_64_x32.h SYSTBL arch/x86/entry/syscalls/../../include/generated/asm/syscalls_64.h SYSHDR arch/x86/entry/syscalls/../../include/generated/uapi/asm/unistd_32.h SYSHDR arch/x86/entry/syscalls/../../include/generated/uapi/asm/unistd_64.h SYSHDR arch/x86/entry/syscalls/../../include/generated/uapi/asm/unistd_x32.h HOSTCC scripts/basic/bin2c CHK include/config/kernel.release GEN ./Makefile CHK include/generated/uapi/linux/version.h UPD include/generated/uapi/linux/version.h gcc: error trying to exec 'cc1plus': execvp: No such file or directory Cannot use CONFIG_GCC_PLUGINS: your gcc installation does not support plugins, perhaps the necessary headers are missing? scripts/Makefile.gcc-plugins:69: recipe for target 'gcc-plugins-check' failed make[1]: *** [gcc-plugins-check] Error 1 make[1]: *** Waiting for unfinished jobs.... UPD include/config/kernel.release make[1]: *** wait: No child processes. Stop. Makefile:146: recipe for target 'sub-make' failed make: *** [sub-make] Error 2 Command 'make -j 10 ARCH=x86_64 O=/home/kisskb/slave/build/linus_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- ' returned non-zero exit status 2 # rm -rf /home/kisskb/slave/build/linus_x86_64-randconfig_x86_64 # Build took: 0:00:07.187378
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