/usr/src/blcr-0.8.2/libcr/ is in blcr-dkms 0.8.2-15ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/src/blcr-0.8.2/libcr/Makefile.am
/usr/src/blcr-0.8.2/libcr/Makefile.in
/usr/src/blcr-0.8.2/libcr/arch/
/usr/src/blcr-0.8.2/libcr/arch/arm/
/usr/src/blcr-0.8.2/libcr/arch/arm/cr_arch.h
/usr/src/blcr-0.8.2/libcr/arch/arm/cr_atomic.h
/usr/src/blcr-0.8.2/libcr/arch/i386/
/usr/src/blcr-0.8.2/libcr/arch/i386/cr_arch.h
/usr/src/blcr-0.8.2/libcr/arch/i386/cr_atomic.h
/usr/src/blcr-0.8.2/libcr/arch/ppc/
/usr/src/blcr-0.8.2/libcr/arch/ppc/cr_arch.h
/usr/src/blcr-0.8.2/libcr/arch/ppc/cr_atomic.h
/usr/src/blcr-0.8.2/libcr/arch/ppc64/
/usr/src/blcr-0.8.2/libcr/arch/ppc64/cr_arch.h
/usr/src/blcr-0.8.2/libcr/arch/ppc64/cr_atomic.h
/usr/src/blcr-0.8.2/libcr/arch/sparc/
/usr/src/blcr-0.8.2/libcr/arch/sparc/cr_arch.h
/usr/src/blcr-0.8.2/libcr/arch/sparc/cr_atomic.h
/usr/src/blcr-0.8.2/libcr/arch/sparc64/
/usr/src/blcr-0.8.2/libcr/arch/sparc64/cr_arch.h
/usr/src/blcr-0.8.2/libcr/arch/sparc64/cr_atomic.h
/usr/src/blcr-0.8.2/libcr/arch/x86_64/
/usr/src/blcr-0.8.2/libcr/arch/x86_64/cr_arch.h
/usr/src/blcr-0.8.2/libcr/arch/x86_64/cr_atomic.h
/usr/src/blcr-0.8.2/libcr/cr_async.c
/usr/src/blcr-0.8.2/libcr/cr_core.c
/usr/src/blcr-0.8.2/libcr/cr_cs.c
/usr/src/blcr-0.8.2/libcr/cr_ftb.c
/usr/src/blcr-0.8.2/libcr/cr_libinit.c
/usr/src/blcr-0.8.2/libcr/cr_omit.c
/usr/src/blcr-0.8.2/libcr/cr_private.h
/usr/src/blcr-0.8.2/libcr/cr_pthread.c
/usr/src/blcr-0.8.2/libcr/cr_rb_lock.h
/usr/src/blcr-0.8.2/libcr/cr_request.c
/usr/src/blcr-0.8.2/libcr/cr_run.c
/usr/src/blcr-0.8.2/libcr/cr_sig_sync.c
/usr/src/blcr-0.8.2/libcr/cr_strerror.c
/usr/src/blcr-0.8.2/libcr/cr_syscall.c
/usr/src/blcr-0.8.2/libcr/cr_syscall.h
/usr/src/blcr-0.8.2/libcr/cr_trace.c
/usr/src/blcr-0.8.2/libcr/cr_trace.h
/usr/src/blcr-0.8.2/libcr/cr_yield.h