# git rev-parse -q --verify 66f73fb3facd42d0a7c899d7f4c712332b28499a^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
# git rev-parse -q --verify 66f73fb3facd42d0a7c899d7f4c712332b28499a^{commit}
66f73fb3facd42d0a7c899d7f4c712332b28499a
# git checkout -q -f -B kisskb 66f73fb3facd42d0a7c899d7f4c712332b28499a
# git clean -qxdf
# < git log -1
# commit 66f73fb3facd42d0a7c899d7f4c712332b28499a
# Merge: 69e9b12a27a1 42119dbe571e
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Feb 21 13:57:08 2021 -0800
# 
#     Merge tag 'for-linus-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
#     
#     Pull JFFS2/UBIFS and UBI updates from Richard Weinberger:
#      "JFFS2:
#        - Fix for use-after-free in jffs2_sum_write_data()
#        - Fix for out-of-bounds access in jffs2_zlib_compress()
#     
#       UBI:
#        - Remove dead/useless code
#     
#       UBIFS:
#        - Fix for a memory leak in ubifs_init_authentication()
#        - Fix for high stack usage
#        - Fix for a off-by-one error in xattrs code"
#     
#     * tag 'for-linus-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
#       ubifs: Fix error return code in alloc_wbufs()
#       jffs2: check the validity of dstlen in jffs2_zlib_compress()
#       ubifs: Fix off-by-one error
#       ubifs: replay: Fix high stack usage, again
#       ubifs: Fix memleak in ubifs_init_authentication
#       jffs2: fix use after free in jffs2_sum_write_data()
#       ubi: eba: Delete useless kfree code
#       ubi: remove dead code in validate_vid_hdr()
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-ld --version
# < git log --format=%s --max-count=1 66f73fb3facd42d0a7c899d7f4c712332b28499a
# < make -s -j 24 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  randconfig
KCONFIG_SEED=0xF9BEDA8
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# < make -s -j 24 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  help
# make -s -j 24 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  olddefconfig
.config:6138:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
# make -s -j 24 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  
Completed OK
# rm -rf /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8
# Build took: 0:09:25.485641