/usr/src/glibc/debian/patches/any/ is in glibc-source 2.23-0ubuntu3.
This file is owned by root:root, with mode 0o755.
..
/usr/src/glibc/debian/patches/any/cvs-sys-personality-h.diff
/usr/src/glibc/debian/patches/any/cvs-tst-malloc-thread-exit.diff
/usr/src/glibc/debian/patches/any/local-asserth-decls.diff
/usr/src/glibc/debian/patches/any/local-bindresvport_blacklist.diff
/usr/src/glibc/debian/patches/any/local-bootstrap-headers.diff
/usr/src/glibc/debian/patches/any/local-disable-libnss-db.diff
/usr/src/glibc/debian/patches/any/local-dlfptr.diff
/usr/src/glibc/debian/patches/any/local-dynamic-resolvconf.diff
/usr/src/glibc/debian/patches/any/local-fhs-linux-paths.diff
/usr/src/glibc/debian/patches/any/local-fhs-nscd.diff
/usr/src/glibc/debian/patches/any/local-ld-multiarch.diff
/usr/src/glibc/debian/patches/any/local-ldconfig-fsync.diff
/usr/src/glibc/debian/patches/any/local-ldconfig-ignore-ld.so.diff
/usr/src/glibc/debian/patches/any/local-ldconfig-multiarch.diff
/usr/src/glibc/debian/patches/any/local-ldconfig.diff
/usr/src/glibc/debian/patches/any/local-ldso-disable-hwcap.diff
/usr/src/glibc/debian/patches/any/local-libgcc-compat-abilists.diff
/usr/src/glibc/debian/patches/any/local-libgcc-compat-main.diff
/usr/src/glibc/debian/patches/any/local-libgcc-compat-ports.diff
/usr/src/glibc/debian/patches/any/local-libpic.diff
/usr/src/glibc/debian/patches/any/local-nss-overflow.diff
/usr/src/glibc/debian/patches/any/local-nss-upgrade.diff
/usr/src/glibc/debian/patches/any/local-revert-bz13979.diff
/usr/src/glibc/debian/patches/any/local-rtlddir-cross.diff
/usr/src/glibc/debian/patches/any/local-stubs_h.diff
/usr/src/glibc/debian/patches/any/local-tcsetaddr.diff
/usr/src/glibc/debian/patches/any/local-tst-eintr1-eagain.diff
/usr/src/glibc/debian/patches/any/local-tst-mktime2.diff
/usr/src/glibc/debian/patches/any/local-tst-writev.diff
/usr/src/glibc/debian/patches/any/submitted-argp-attribute.diff
/usr/src/glibc/debian/patches/any/submitted-bits-fcntl_h-at.diff
/usr/src/glibc/debian/patches/any/submitted-dlopen-noload.diff
/usr/src/glibc/debian/patches/any/submitted-longdouble.diff
/usr/src/glibc/debian/patches/any/submitted-missing-etc-hosts.diff
/usr/src/glibc/debian/patches/any/submitted-nptl-invalid-td.patch
/usr/src/glibc/debian/patches/any/submitted-string2-strcmp.diff
/usr/src/glibc/debian/patches/any/unsubmitted-dlopen-static-crash.diff
/usr/src/glibc/debian/patches/any/unsubmitted-ldso-machine-mismatch.diff