# git rev-parse -q --verify 3f777e19d171670ab558a6d5e6b1ac7f9b6c574f^{commit}
3f777e19d171670ab558a6d5e6b1ac7f9b6c574f
already have revision, skipping fetch
# git checkout -q -f -B kisskb 3f777e19d171670ab558a6d5e6b1ac7f9b6c574f
# git clean -qxdf
# < git log -1
# commit 3f777e19d171670ab558a6d5e6b1ac7f9b6c574f
# Merge: 51184ae37e05 316ec1548109
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Tue Apr 28 09:13:08 2020 -0700
# 
#     Merge tag 'cve-2020-11884' from emailed bundle
#     
#     Pull s390 fix from Christian Borntraeger:
#      "Fix a race between page table upgrade and uaccess on s390.
#     
#       This fixes CVE-2020-11884 which allows for a local kernel crash or
#       code execution"
#     
#     * tag 'cve-2020-11884' from emailed bundle:
#       s390/mm: fix page table upgrade vs 2ndary address mode accesses
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-ld --version
# < git log --format=%s --max-count=1 3f777e19d171670ab558a6d5e6b1ac7f9b6c574f
# < make -s -j 80 ARCH=powerpc O=/kisskb/build/linus_mpc885_ads_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  mpc885_ads_defconfig
# < make -s -j 80 ARCH=powerpc O=/kisskb/build/linus_mpc885_ads_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  help
# make -s -j 80 ARCH=powerpc O=/kisskb/build/linus_mpc885_ads_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  olddefconfig
# make -s -j 80 ARCH=powerpc O=/kisskb/build/linus_mpc885_ads_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/proc/inode.c: In function 'proc_reg_open':
/kisskb/src/include/linux/list.h:72:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/proc/inode.c:471:21: note: 'pdeo' was declared here
/kisskb/src/fs/namei.c: In function 'handle_dots':
/kisskb/src/fs/namei.c:1805:10: warning: 'inode' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/namei.c:1805:10: warning: 'seq' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/io_uring.c: In function '__io_sqe_files_update.isra.94':
/kisskb/src/fs/io_uring.c:6701:13: warning: 'err' may be used uninitialized in this function [-Wuninitialized]
Image Name:   Linux-5.7.0-rc3-g3f777e19d171
Created:      Wed Apr 29 04:46:24 2020
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    1796371 Bytes = 1754.27 KiB = 1.71 MiB
Load Address: 00400000
Entry Point:  004001dc
Completed OK
# rm -rf /kisskb/build/linus_mpc885_ads_defconfig_powerpc-gcc4.6
# Build took: 0:00:40.991297