# git rev-parse -q --verify 921b2fed6a79439ef1609ef4af0ada5cccb3555c^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/stable linux-3.18.y
error: The last gc run reported the following. Please correct the root cause
and remove .git/gc.log.
Automatic cleanup will not be performed until the file is removed.

warning: There are too many unreachable loose objects; run 'git prune' to remove them.

# git rev-parse -q --verify 921b2fed6a79439ef1609ef4af0ada5cccb3555c^{commit}
921b2fed6a79439ef1609ef4af0ada5cccb3555c
# git checkout -q -f -B kisskb 921b2fed6a79439ef1609ef4af0ada5cccb3555c
# git clean -qxdf
# < git log -1
# commit 921b2fed6a79439ef1609ef4af0ada5cccb3555c
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Wed Sep 26 08:33:59 2018 +0200
# 
#     Linux 3.18.123
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-gcc --version
# < git log --format=%s --max-count=1 921b2fed6a79439ef1609ef4af0ada5cccb3555c
# < make -s -j 40 ARCH=i386 O=/kisskb/build/stable-3.18_i386_defconfig_i386 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-  i386_defconfig
In file included from scripts/kconfig/zconf.tab.c:2534:
/kisskb/src/scripts/kconfig/confdata.c: In function 'conf_write':
/kisskb/src/scripts/kconfig/confdata.c:767:19: warning: '%s' directive writing likely 7 or more bytes into a region of size between 1 and 4097 [-Wformat-overflow=]
  sprintf(newname, "%s%s", dirname, basename);
                   ^~~~~~
/kisskb/src/scripts/kconfig/confdata.c:767:19: note: assuming directive output of 7 bytes
/kisskb/src/scripts/kconfig/confdata.c:767:2: note: 'sprintf' output 1 or more bytes (assuming 4104) into a destination of size 4097
  sprintf(newname, "%s%s", dirname, basename);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/kisskb/src/scripts/kconfig/confdata.c:770:20: warning: '.tmpconfig.' directive writing 11 bytes into a region of size between 1 and 4097 [-Wformat-overflow=]
   sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid());
                    ^~~~~~~~~~~~~~~~~
/kisskb/src/scripts/kconfig/confdata.c:770:3: note: 'sprintf' output between 13 and 4119 bytes into a destination of size 4097
   sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid());
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# make -s -j 40 ARCH=i386 O=/kisskb/build/stable-3.18_i386_defconfig_i386 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-  
/kisskb/src/net/mac80211/mlme.c: In function 'ieee80211_rx_mgmt_beacon':
/kisskb/src/net/mac80211/mlme.c:1292:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/mac80211/mlme.c:1259:6: note: 'pwr_level_cisco' was declared here
/kisskb/src/kernel/cgroup.c: In function 'cgroup_mount':
/kisskb/src/include/linux/cgroup.h:158:11: warning: 'root' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/kernel/cgroup.c:1693:22: note: 'root' was declared here
Setup is 13388 bytes (padded to 13824 bytes).
System is 5796 kB
CRC c4a864c2
Kernel: arch/x86/boot/bzImage is ready  (#1)
Completed OK
# rm -rf /kisskb/build/stable-3.18_i386_defconfig_i386
# Build took: 0:01:07.987274