# git rev-parse -q --verify b5372fe5dc84235dbe04998efdede3c4daa866a9^{commit}
b5372fe5dc84235dbe04998efdede3c4daa866a9
already have revision, skipping fetch
# git checkout -q -f -B kisskb b5372fe5dc84235dbe04998efdede3c4daa866a9
# git clean -qxdf
# < git log -1
# commit b5372fe5dc84235dbe04998efdede3c4daa866a9
# Author: Kees Cook <keescook@chromium.org>
# Date:   Mon Feb 18 16:36:48 2019 -0800
# 
#     exec: load_script: Do not exec truncated interpreter path
#     
#     Commit 8099b047ecc4 ("exec: load_script: don't blindly truncate
#     shebang string") was trying to protect against a confused exec of a
#     truncated interpreter path. However, it was overeager and also refused
#     to truncate arguments as well, which broke userspace, and it was
#     reverted. This attempts the protection again, but allows arguments to
#     remain truncated. In an effort to improve readability, helper functions
#     and comments have been added.
#     
#     Co-developed-by: Linus Torvalds <torvalds@linux-foundation.org>
#     Signed-off-by: Kees Cook <keescook@chromium.org>
#     Cc: Andrew Morton <akpm@linux-foundation.org>
#     Cc: Oleg Nesterov <oleg@redhat.com>
#     Cc: Samuel Dionne-Riel <samuel@dionne-riel.com>
#     Cc: Richard Weinberger <richard.weinberger@gmail.com>
#     Cc: Graham Christensen <graham@grahamc.com>
#     Cc: Michal Hocko <mhocko@suse.com>
#     Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-ld --version
# < git log --format=%s --max-count=1 b5372fe5dc84235dbe04998efdede3c4daa866a9
# < make -s -j 8 ARCH=i386 O=/kisskb/build/linus_i386_defconfig_i386 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-  i386_defconfig
# make -s -j 8 ARCH=i386 O=/kisskb/build/linus_i386_defconfig_i386 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-  
You are building kernel with non-retpoline compiler.
Please update your compiler.
make[1]: *** [arch/x86/Makefile:300: checkbin] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:152: sub-make] Error 2
Command 'make -s -j 8 ARCH=i386 O=/kisskb/build/linus_i386_defconfig_i386 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus_i386_defconfig_i386
# Build took: 0:00:02.876288