# git rev-parse -q --verify c00c5e1d157bec0ef0b0b59aa5482eb8dc7e8e49^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
# git rev-parse -q --verify c00c5e1d157bec0ef0b0b59aa5482eb8dc7e8e49^{commit}
c00c5e1d157bec0ef0b0b59aa5482eb8dc7e8e49
# git checkout -q -f -B kisskb c00c5e1d157bec0ef0b0b59aa5482eb8dc7e8e49
# git clean -qxdf
# < git log -1
# commit c00c5e1d157bec0ef0b0b59aa5482eb8dc7e8e49
# Merge: 2e5991fa39e4 23e3d7f7061f
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Apr 22 18:18:27 2022 -0700
# 
#     Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
#     
#     Pull ext4 fixes from Ted Ts'o:
#      "Fix some syzbot-detected bugs, as well as other bugs found by I/O
#       injection testing.
#     
#       Change ext4's fallocate to consistently drop set[ug]id bits when an
#       fallocate operation might possibly change the user-visible contents of
#       a file.
#     
#       Also, improve handling of potentially invalid values in the the
#       s_overhead_cluster superblock field to avoid ext4 returning a negative
#       number of free blocks"
#     
#     * tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
#       jbd2: fix a potential race while discarding reserved buffers after an abort
#       ext4: update the cached overhead value in the superblock
#       ext4: force overhead calculation if the s_overhead_cluster makes no sense
#       ext4: fix overhead calculation to account for the reserved gdt blocks
#       ext4, doc: fix incorrect h_reserved size
#       ext4: limit length to bitmap_maxbytes - blocksize in punch_hole
#       ext4: fix use-after-free in ext4_search_dir
#       ext4: fix bug_on in start_this_handle during umount filesystem
#       ext4: fix symlink file size not match to file content
#       ext4: fix fallocate to use file_modified to update permissions consistently
# < /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 c00c5e1d157bec0ef0b0b59aa5482eb8dc7e8e49
# < make -s -j 48 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
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# < make -s -j 48 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 48 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:6321:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
# make -s -j 48 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-  
BTF: .tmp_vmlinux.btf: pahole version v1.12 is too old, need at least v1.16
Failed to generate BTF for vmlinux
Try to disable CONFIG_DEBUG_INFO_BTF
make[1]: *** [/kisskb/src/Makefile:1158: vmlinux] Error 1
make: *** [Makefile:219: __sub-make] Error 2
Command 'make -s -j 48 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-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8
# Build took: 0:07:24.658596