# 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/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-gcc --version
# < /opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-ld --version
# < git log --format=%s --max-count=1 4c80ba392bf603d468ea827d902f8e7b2505fbf4
# < make -s -j 32 ARCH=sparc64 O=/kisskb/build/linus_sparc64-allnoconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  allnoconfig

WARNING: unmet direct dependencies detected for COMPAT_BINFMT_ELF
  Depends on [n]: COMPAT [=y] && BINFMT_ELF [=n]
  Selected by [y]:
  - COMPAT [=y] && SPARC64 [=y]
# make -s -j 32 ARCH=sparc64 O=/kisskb/build/linus_sparc64-allnoconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  
<stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp]
  kernel: arch/sparc/boot/image is ready
  kernel: arch/sparc/boot/zImage is ready
Completed OK
# rm -rf /kisskb/build/linus_sparc64-allnoconfig_sparc64
# Build took: 0:00:15.466654