Files
bpfire/lfs/lunatik
Vincent Li 6723112498 lunatik: missing module BTF kfuncs not regstered
error when run lunatik which loads lunatik kernel modules

root@bpfire-2 lua]# lunatik run examples/filter/sni false

[root@bpfire-2 lua]# dmesg

[  330.411665] lunatik: loading out-of-tree module taints kernel.
[  330.411680] lunatik: module verification failed: signature and/or required key missing - tainting kernel
[  330.433955] Kernel module BTF mismatch detected, BTF debug info may be unavailable for some modules
[  330.767701] missing module BTF, cannot register kfuncs

BPFire chroot build mount /sys/kernel/btf/vmlinux which is
the host binary vmlinux BTF to build against lunatik kernel module,
which result in above error. adjust BPFire kernel build to save
the binary vmlinux BTF to chroot
/lib/modules/6.6.15-ipfire/build/vmlinux for lunatik kernel module.

create the vmlinux.h from the same binary vmlinux BTF for the ebpf https.o

lunatik kernel module is depending on kernel build, adjust the lunatik
build accordingly when kerne upgrade in future.

See https://github.com/vincentmli/BPFire/issues/40
see https://github.com/luainkernel/lunatik/issues/189

Signed-off-by: Vincent Li <vincent.mc.li@gmail.com>
2024-09-17 17:22:22 +00:00

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###############################################################################
# #
# IPFire.org - A linux based firewall #
# Copyright (C) 2007-2024 IPFire Team <info@ipfire.org> #
# Copyright (C) 2024 BPFire
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <http://www.gnu.org/licenses/>. #
# #
###############################################################################
###############################################################################
# Definitions
###############################################################################
include Config
VER = 5.3.2
THISAPP = lunatik-$(VER)
DL_FILE = $(THISAPP).tar.gz
DL_FROM = $(URL_IPFIRE)
DIR_APP = $(DIR_SRC)/$(THISAPP)
TARGET = $(DIR_INFO)/$(THISAPP)
###############################################################################
# Top-level Rules
###############################################################################
objects = $(DL_FILE)
$(DL_FILE) = $(DL_FROM)/$(DL_FILE)
$(DL_FILE)_BLAKE2 = 318a0dc1220ff052aa0f56bf0e36783368b94b48d3a994283f3e6ca6326301b657917f7f8acc27c42e65d136dcf9f2f5f39f1b9de263aeaf831d2457f781c6d0
install : $(TARGET)
check : $(patsubst %,$(DIR_CHK)/%,$(objects))
download :$(patsubst %,$(DIR_DL)/%,$(objects))
b2 : $(subst %,%_BLAKE2,$(objects))
###############################################################################
# Downloading, checking, b2sum
###############################################################################
$(patsubst %,$(DIR_CHK)/%,$(objects)) :
@$(CHECK)
$(patsubst %,$(DIR_DL)/%,$(objects)) :
@$(LOAD)
$(subst %,%_BLAKE2,$(objects)) :
@$(B2SUM)
###############################################################################
# Installation Details
###############################################################################
$(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
@$(PREBUILD)
@rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar zxf $(DIR_DL)/$(DL_FILE)
#generate lunatik symbols before build
cd $(DIR_APP) && ./gensymbols.sh lua/lua.h lua/lauxlib.h lua/lualib.h > lunatik_sym.h
cd $(DIR_APP) && make
cd $(DIR_APP) && make install
cd $(DIR_APP)/examples/filter && make
cd $(DIR_APP) && make examples_install
@rm -rf $(DIR_APP)
@$(POSTBUILD)