# git rev-parse -q --verify 4c80ba392bf603d468ea827d902f8e7b2505fbf4^{commit}
4c80ba392bf603d468ea827d902f8e7b2505fbf4
already have revision, skipping fetch
# git checkout -q -f -B kisskb 4c80ba392bf603d468ea827d902f8e7b2505fbf4
# git clean -qxdf
# < git log -1
# commit 4c80ba392bf603d468ea827d902f8e7b2505fbf4
# Author: Eric Auger <eric.auger@redhat.com>
# Date:   Tue Nov 26 18:54:13 2019 +0100
# 
#     iommu: fix KASAN use-after-free in iommu_insert_resv_region
#     
#     In case the new region gets merged into another one, the nr list node is
#     freed.  Checking its type while completing the merge algorithm leads to
#     a use-after-free.  Use new->type instead.
#     
#     Fixes: 4dbd258ff63e ("iommu: Revisit iommu_insert_resv_region() implementation")
#     Signed-off-by: Eric Auger <eric.auger@redhat.com>
#     Reported-by: Qian Cai <cai@lca.pw>
#     Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
#     Cc: Stable <stable@vger.kernel.org> #v5.3+
#     Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 4c80ba392bf603d468ea827d902f8e7b2505fbf4
# < make -s -j 8 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  randconfig
KCONFIG_SEED=0x8B98846B
# Added to kconfig CONFIG_STANDALONE=y
# Added to kconfig CONFIG_BUILD_DOCSRC=n
# Added to kconfig CONFIG_MODULE_SIG=n
# Added to kconfig CONFIG_CPU_BIG_ENDIAN=y
# Added to kconfig CONFIG_PPC64=y
# Added to kconfig CONFIG_PPC_DISABLE_WERROR=y
# Added to kconfig CONFIG_SECTION_MISMATCH_WARN_ONLY=y
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n
# Added to kconfig CONFIG_GCC_PLUGINS=n
# Added to kconfig CONFIG_LD_HEAD_STUB_CATCH=y
# Added to kconfig CONFIG_TRIM_UNUSED_KSYMS=n
# Added to kconfig CONFIG_UBSAN=n
# yes \n | make -s -j 8 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  oldconfig
yes: standard output: Broken pipe
# make -s -j 8 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
/kisskb/src/arch/powerpc/kernel/eeh.c:1769:12: warning: 'proc_eeh_show' defined but not used [-Wunused-function]
 static int proc_eeh_show(struct seq_file *m, void *v)
            ^~~~~~~~~~~~~
/kisskb/src/drivers/cpufreq/cpufreq.c: In function 'refresh_frequency_limits.part.25':
/kisskb/src/drivers/cpufreq/cpufreq.c:1125:1: warning: the frame size of 1120 bytes is larger than 1024 bytes [-Wframe-larger-than=]
 }
 ^
/kisskb/src/drivers/cpufreq/cpufreq.c: In function 'store_scaling_governor':
/kisskb/src/drivers/cpufreq/cpufreq.c:792:1: warning: the frame size of 1136 bytes is larger than 1024 bytes [-Wframe-larger-than=]
 }
 ^
/kisskb/src/drivers/cpufreq/cpufreq.c: In function 'cpufreq_init_policy':
/kisskb/src/drivers/cpufreq/cpufreq.c:1090:1: warning: the frame size of 1120 bytes is larger than 1024 bytes [-Wframe-larger-than=]
 }
 ^
/kisskb/src/drivers/cpufreq/powernv-cpufreq.c: In function 'powernv_cpufreq_reboot_notifier':
/kisskb/src/drivers/cpufreq/powernv-cpufreq.c:896:1: warning: the frame size of 1120 bytes is larger than 1024 bytes [-Wframe-larger-than=]
 }
 ^
/kisskb/src/drivers/cpufreq/powernv-cpufreq.c: In function 'powernv_cpufreq_work_fn':
/kisskb/src/drivers/cpufreq/powernv-cpufreq.c:928:1: warning: the frame size of 1120 bytes is larger than 1024 bytes [-Wframe-larger-than=]
 }
 ^
/kisskb/src/drivers/vhost/vhost.c: In function 'log_used':
/kisskb/src/drivers/vhost/vhost.c:1937:1: warning: the frame size of 1040 bytes is larger than 1024 bytes [-Wframe-larger-than=]
 }
 ^
Failed to generate BTF for vmlinux
Try to disable CONFIG_DEBUG_INFO_BTF
make[1]: *** [/kisskb/src/Makefile:1077: vmlinux] Error 1
make: *** [Makefile:179: sub-make] Error 2
Command 'make -s -j 8 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc8
# Build took: 0:03:36.969343