# 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/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-ld --version
# < git log --format=%s --max-count=1 4c80ba392bf603d468ea827d902f8e7b2505fbf4
# < make -s -j 32 ARCH=arm O=/kisskb/build/linus_vexpress_defconfig_arm CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-  vexpress_defconfig
# make -s -j 32 ARCH=arm O=/kisskb/build/linus_vexpress_defconfig_arm CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-  
/kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read':
/kisskb/src/drivers/base/regmap/regmap.c:2591:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write':
/kisskb/src/drivers/base/regmap/regmap.c:1852:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/ext4/extents.c: In function 'ext4_convert_unwritten_io_end_vec':
/kisskb/src/fs/ext4/extents.c:5054:23: warning: 'ret' may be used uninitialized in this function [-Wuninitialized]
/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:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/proc/inode.c:338:21: note: 'pdeo' was declared here
Completed OK
# rm -rf /kisskb/build/linus_vexpress_defconfig_arm
# Build took: 0:01:18.538757