# git rev-parse -q --verify 921b2fed6a79439ef1609ef4af0ada5cccb3555c^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/stable linux-3.18.y
# 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/powerpc-linux/bin/powerpc-linux-gcc --version
# < git log --format=%s --max-count=1 921b2fed6a79439ef1609ef4af0ada5cccb3555c
# < make -s -j 24 ARCH=powerpc O=/kisskb/build/stable-3.18_pmac32_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  pmac32_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 24 ARCH=powerpc O=/kisskb/build/stable-3.18_pmac32_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  
/kisskb/src/sound/ppc/awacs.c: In function 'snd_pmac_awacs_init':
/kisskb/src/include/sound/control.h:212:2: warning: 'speaker_vol' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/sound/ppc/awacs.c:886:36: note: 'speaker_vol' was declared here
/kisskb/src/fs/nfsd/nfs4xdr.c: In function 'nfsd4_encode_components_esc':
/kisskb/src/fs/nfsd/nfs4xdr.c:1771:9: warning: 'str' may be used uninitialized in this function [-Wuninitialized]
/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/drivers/gpu/drm/radeon/r100.c: In function 'r100_bandwidth_update':
/kisskb/src/include/drm/drm_fixed.h:64:13: warning: 'crit_point_ff.full' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/gpu/drm/radeon/r100.c:3153:63: note: 'crit_point_ff.full' was declared here
/kisskb/src/drivers/gpu/drm/radeon/r100.c:3580:42: warning: 'disp_drain_rate.full' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'serial8250_do_shutdown':
/kisskb/src/drivers/tty/serial/8250/8250_core.c:1797:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/tty/serial/8250/8250_core.c:1777:19: note: 'i' was declared here
/kisskb/src/drivers/net/wireless/b43/phy_n.c: In function 'b43_nphy_rf_ctl_override_rev7':
/kisskb/src/drivers/net/wireless/b43/phy_n.c:202:21: warning: 'val_addr' may be used uninitialized in this function [-Wuninitialized]
WARNING: modpost: Found 1 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
INFO: Uncompressed kernel (size 0x6b7000) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x700000)
Completed OK
# rm -rf /kisskb/build/stable-3.18_pmac32_defconfig_powerpc
# Build took: 0:01:33.682002