How to use Valgrind on WP76 to investigate memory leaks

fhs@fhs-OptiPlex-990:~/Desktop/yocto$ cat /home/fhs/Desktop/yocto/build_bin/tmp/work/swi_mdm9x28_wp-poky-linux-gnueabi/mdm9x28-image-minimal/1.0-r0.0/temp/log.do_image_complete.20958
DEBUG: Executing python function sstate_task_prefunc
DEBUG: Python function sstate_task_prefunc finished
DEBUG: Executing python function extend_recipe_sysroot
NOTE: Direct dependencies are ['virtual:native:/home/fhs/Desktop/yocto/poky/meta/recipes-devtools/makedevs/makedevs_1.0.1.bb:do_populate_sysroot', 'virtual:native:/home/fhs/Desktop/yocto/poky/meta/recipes-devtools/mtd/mtd-utils_git.bb:do_populate_sysroot', 'virtual:native:/home/fhs/Desktop/yocto/poky/meta/recipes-extended/pbzip2/pbzip2_1.1.13.bb:do_populate_sysroot', 'virtual:native:/home/fhs/Desktop/yocto/poky/meta/recipes-core/update-rc.d/update-rc.d_0.7.bb:do_populate_sysroot', '/home/fhs/Desktop/yocto/poky/meta/recipes-core/glibc/ldconfig-native_2.12.1.bb:do_populate_sysroot', 'virtual:native:/home/fhs/Desktop/yocto/poky/meta/recipes-extended/pigz/pigz_2.4.bb:do_populate_sysroot', 'virtual:native:/home/fhs/Desktop/yocto/poky/meta/recipes-devtools/pseudo/pseudo_git.bb:do_populate_sysroot', '/home/fhs/Desktop/yocto/poky/meta/recipes-devtools/mklibs/mklibs-native_0.1.43.bb:do_populate_sysroot', 'virtual:native:/home/fhs/Desktop/yocto/meta-swi/common/recipes-security/ima-evm-utils/ima-evm-utils_1.1.bb:do_populate_sysroot', 'virtual:native:/home/fhs/Desktop/yocto/meta-swi/common/recipes-devtools/squashfs-tools/squashfs-tools_git.bb:do_populate_sysroot', 'virtual:native:/home/fhs/Desktop/yocto/poky/meta/recipes-devtools/opkg-utils/opkg-utils_0.3.6.bb:do_populate_sysroot', '/home/fhs/Desktop/yocto/poky/meta/recipes-kernel/kmod/depmodwrapper-cross_1.0.bb:do_populate_sysroot', '/home/fhs/Desktop/yocto/poky/meta/recipes-devtools/qemu/qemuwrapper-cross_1.0.bb:do_populate_sysroot', '/home/fhs/Desktop/yocto/meta-swi/meta-swi-mdm9xxx/recipes-bsp/lk/lk_1.3.0.bb:do_populate_sysroot', 'virtual:native:/home/fhs/Desktop/yocto/meta-swi/common/recipes-core/cwetool/cwetool_git.bb:do_populate_sysroot', 'virtual:native:/home/fhs/Desktop/yocto/meta-openembedded/meta-oe/recipes-crypto/cryptsetup/cryptsetup_1.7.4.bb:do_populate_sysroot', 'virtual:native:/home/fhs/Desktop/yocto/poky/meta/recipes-devtools/opkg/opkg_0.3.6.bb:do_populate_sysroot', 'virtual:native:/home/fhs/Desktop/yocto/poky/meta/recipes-extended/libarchive/libarchive_3.3.2.bb:do_populate_sysroot', 'virtual:native:/home/fhs/Desktop/yocto/poky/meta/recipes-devtools/prelink/prelink_git.bb:do_populate_sysroot']
NOTE: Installed into sysroot: []
NOTE: Skipping as already exists in sysroot: ['makedevs-native', 'mtd-utils-native', 'pbzip2-native', 'update-rc.d-native', 'ldconfig-native', 'pigz-native', 'pseudo-native', 'mklibs-native', 'ima-evm-utils-native', 'squashfs-tools-native', 'opkg-utils-native', 'depmodwrapper-cross', 'qemuwrapper-cross', 'lk', 'cwetool-native', 'cryptsetup-native', 'opkg-native', 'libarchive-native', 'prelink-native', 'xz-native', 'quilt-native', 'qemu-native', 'shadow-native', 'automake-native', 'lzo-native', 'pkgconfig-native', 'autoconf-native', 'zlib-native', 'util-linux-native', 'acl-native', 'gnu-config-native', 'libtool-native', 'e2fsprogs-native', 'bzip2-native', 'gettext-minimal-native', 'keyutils-native', 'attr-native', 'openssl-native', 'kmod-native', 'lz4-native', 'debianutils-native', 'gcc-runtime', 'glibc', 'libgcrypt-native', 'libdevmapper-native', 'popt-native', 'libsolv-native', 'elfutils-native', 'binutils-native', 'dtc-native', 'libsdl-native', 'glib-2.0-native', 'pixman-native', 'alsa-lib-native', 'texinfo-dummy-native', 'm4-native', 'ncurses-native', 'gtk-doc-native', 'python3-native', 'libgcc', 'linux-libc-headers', 'libcap-native', 'libgpg-error-native', 'autoconf-archive-native', 'rpm-native', 'ninja-native', 'cmake-native', 'expat-native', 'bison-native', 'flex-native', 'libxrandr-native', 'libxrender-native', 'libx11-native', 'libxext-native', 'libpcre-native', 'libffi-native', 'util-macros-native', 'libpng-native', 'readline-native', 'gdbm-native', 'sqlite3-native', 'gperf-native', 'db-native', 'nss-native', 'file-native', 'dbus-native', 're2c-native', 'curl-native', 'randrproto-native', 'renderproto-native', 'xproto-native', 'kbproto-native', 'xtrans-native', 'libxcb-native', 'inputproto-native', 'xextproto-native', 'nspr-native', 'xcb-proto-native', 'libpthread-stubs-native', 'libxau-native', 'libxdmcp-native']
DEBUG: Python function extend_recipe_sysroot finished
DEBUG: Executing python function do_image_complete
NOTE: Executing write_deploy_manifest ...
DEBUG: Executing python function write_deploy_manifest
DEBUG: Python function write_deploy_manifest finished
DEBUG: Python function do_image_complete finished
DEBUG: Executing shell function prepare_ubi
ubinize: error!: error in section "sysfs_volume": size of the image file "/home/fhs/Desktop/yocto/build_bin/tmp/work/swi_mdm9x28_wp-poky-linux-gnueabi/mdm9x28-image-minimal/1.0-r0.0/deploy-mdm9x28-image-minimal-image-complete/mdm9x28-image-minimal-swi-mdm9x28-wp-20200601023334.rootfs.2k.ubifs" is 75042816, which is larger than volume size 41943040
WARNING: /home/fhs/Desktop/yocto/build_bin/tmp/work/swi_mdm9x28_wp-poky-linux-gnueabi/mdm9x28-image-minimal/1.0-r0.0/temp/run.prepare_ubi.20958:1 exit 255 from '/home/fhs/Desktop/yocto/build_bin/tmp/work/swi_mdm9x28_wp-poky-linux-gnueabi/mdm9x28-image-minimal/1.0-r0.0/recipe-sysroot-native/usr/sbin/ubinize -o $ubi_path $ubinize_args $ubinize_cfg'
ERROR: Function failed: prepare_ubi (log file is located at /home/fhs/Desktop/yocto/build_bin/tmp/work/swi_mdm9x28_wp-poky-linux-gnueabi/mdm9x28-image-minimal/1.0-r0.0/temp/log.do_image_complete.20958)

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