# git rev-parse -q --verify a8ec862fd39d9adb88469eb8b9125daccc1c8335^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/stable linux-4.15.y
# git rev-parse -q --verify a8ec862fd39d9adb88469eb8b9125daccc1c8335^{commit}
a8ec862fd39d9adb88469eb8b9125daccc1c8335
# git checkout -q -f -B kisskb a8ec862fd39d9adb88469eb8b9125daccc1c8335
# git clean -qxdf
# < git log -1
# commit a8ec862fd39d9adb88469eb8b9125daccc1c8335
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Thu Apr 19 08:55:13 2018 +0200
# 
#     Linux 4.15.18
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux-ld --version
# < git log --format=%s --max-count=1 a8ec862fd39d9adb88469eb8b9125daccc1c8335
# < make -s -j 24 ARCH=ia64 O=/kisskb/build/stable-4.15_ia64-defconfig_ia64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux-  defconfig
In file included from scripts/kconfig/zconf.tab.c:2468:
/kisskb/src/scripts/kconfig/confdata.c: In function 'conf_write':
/kisskb/src/scripts/kconfig/confdata.c:773:19: warning: '%s' directive writing likely 7 or more bytes into a region of size between 1 and 4097 [-Wformat-overflow=]
  773 |  sprintf(newname, "%s%s", dirname, basename);
      |                   ^~~~~~
/kisskb/src/scripts/kconfig/confdata.c:773:19: note: assuming directive output of 7 bytes
/kisskb/src/scripts/kconfig/confdata.c:773:2: note: 'sprintf' output 1 or more bytes (assuming 4104) into a destination of size 4097
  773 |  sprintf(newname, "%s%s", dirname, basename);
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/kisskb/src/scripts/kconfig/confdata.c:776:20: warning: '.tmpconfig.' directive writing 11 bytes into a region of size between 1 and 4097 [-Wformat-overflow=]
  776 |   sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid());
      |                    ^~~~~~~~~~~~~~~~~
/kisskb/src/scripts/kconfig/confdata.c:776:3: note: 'sprintf' output between 13 and 4119 bytes into a destination of size 4097
  776 |   sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid());
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# make -s -j 24 ARCH=ia64 O=/kisskb/build/stable-4.15_ia64-defconfig_ia64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux-  
<stdin>:1185:2: warning: #warning syscall perf_event_open not implemented [-Wcpp]
<stdin>:1239:2: warning: #warning syscall seccomp not implemented [-Wcpp]
<stdin>:1317:2: warning: #warning syscall pkey_mprotect not implemented [-Wcpp]
<stdin>:1320:2: warning: #warning syscall pkey_alloc not implemented [-Wcpp]
<stdin>:1323:2: warning: #warning syscall pkey_free not implemented [-Wcpp]
<stdin>:1326:2: warning: #warning syscall statx not implemented [-Wcpp]
No errors detected in 20971 functions.
  Kernel: vmlinux.gz is ready
Completed OK
# rm -rf /kisskb/build/stable-4.15_ia64-defconfig_ia64-gcc4.9
# Build took: 0:03:26.579661