# git rev-parse -q --verify ca2ef2d9f2aad7a28d346522bb4c473a0aa05249^{commit}
ca2ef2d9f2aad7a28d346522bb4c473a0aa05249
already have revision, skipping fetch
# git checkout -q -f -B kisskb ca2ef2d9f2aad7a28d346522bb4c473a0aa05249
# git clean -qxdf
# < git log -1
# commit ca2ef2d9f2aad7a28d346522bb4c473a0aa05249
# Merge: 5593a733f968 ac20e39e8d25
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu Nov 11 15:00:04 2021 -0800
# 
#     Merge tag 'kcsan.2021.11.11a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
#     
#     Pull KCSAN updates from Paul McKenney:
#      "This contains initialization fixups, testing improvements, addition of
#       instruction pointer to data-race reports, and scoped data-race checks"
#     
#     * tag 'kcsan.2021.11.11a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
#       kcsan: selftest: Cleanup and add missing __init
#       kcsan: Move ctx to start of argument list
#       kcsan: Support reporting scoped read-write access type
#       kcsan: Start stack trace with explicit location if provided
#       kcsan: Save instruction pointer for scoped accesses
#       kcsan: Add ability to pass instruction pointer of access to reporting
#       kcsan: test: Fix flaky test case
#       kcsan: test: Use kunit_skip() to skip tests
#       kcsan: test: Defer kcsan_test_init() after kunit initialization
# < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/s390-linux/bin/s390-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/s390-linux/bin/s390-linux-ld --version
# < git log --format=%s --max-count=1 ca2ef2d9f2aad7a28d346522bb4c473a0aa05249
# < make -s -j 8 ARCH=s390 O=/kisskb/build/linus_s390-allmodconfig_s390x-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/s390-linux/bin/s390-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 8 ARCH=s390 O=/kisskb/build/linus_s390-allmodconfig_s390x-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/s390-linux/bin/s390-linux-  help
# make -s -j 8 ARCH=s390 O=/kisskb/build/linus_s390-allmodconfig_s390x-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/s390-linux/bin/s390-linux-  olddefconfig
# make -s -j 8 ARCH=s390 O=/kisskb/build/linus_s390-allmodconfig_s390x-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/s390-linux/bin/s390-linux-  
<stdin>:1559:2: warning: #warning syscall futex_waitv not implemented [-Wcpp]
In file included from /kisskb/src/include/linux/string.h:253,
                 from /kisskb/src/include/linux/bitmap.h:10,
                 from /kisskb/src/include/linux/cpumask.h:12,
                 from /kisskb/src/include/linux/smp.h:13,
                 from /kisskb/src/include/linux/lockdep.h:14,
                 from /kisskb/src/include/linux/rcupdate.h:29,
                 from /kisskb/src/include/linux/rculist.h:11,
                 from /kisskb/src/include/linux/pid.h:5,
                 from /kisskb/src/include/linux/sched.h:14,
                 from /kisskb/src/arch/s390/include/asm/pgtable.h:15,
                 from /kisskb/src/arch/s390/include/asm/kasan.h:5,
                 from /kisskb/src/include/linux/kasan.h:18,
                 from /kisskb/src/lib/test_kasan.c:10:
In function 'memcmp',
    inlined from 'kasan_memcmp' at /kisskb/src/lib/test_kasan.c:897:2:
/kisskb/src/include/linux/fortify-string.h:263:25: error: call to '__read_overflow' declared with attribute error: detected read beyond size of object (1st parameter)
  263 |                         __read_overflow();
      |                         ^~~~~~~~~~~~~~~~~
In function 'memchr',
    inlined from 'kasan_memchr' at /kisskb/src/lib/test_kasan.c:872:2:
/kisskb/src/include/linux/fortify-string.h:277:17: error: call to '__read_overflow' declared with attribute error: detected read beyond size of object (1st parameter)
  277 |                 __read_overflow();
      |                 ^~~~~~~~~~~~~~~~~
make[2]: *** [/kisskb/src/scripts/Makefile.build:287: lib/test_kasan.o] Error 1
make[1]: *** [/kisskb/src/Makefile:1850: lib] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:219: __sub-make] Error 2
Command 'make -s -j 8 ARCH=s390 O=/kisskb/build/linus_s390-allmodconfig_s390x-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/s390-linux/bin/s390-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus_s390-allmodconfig_s390x-gcc11
# Build took: 0:36:22.956975