[chore]: Bump github.com/KimMachineGun/automemlimit from 0.2.4 to 0.2.5 (#1666)

Bumps [github.com/KimMachineGun/automemlimit](https://github.com/KimMachineGun/automemlimit) from 0.2.4 to 0.2.5.
- [Release notes](https://github.com/KimMachineGun/automemlimit/releases)
- [Commits](https://github.com/KimMachineGun/automemlimit/compare/v0.2.4...v0.2.5)

---
updated-dependencies:
- dependency-name: github.com/KimMachineGun/automemlimit
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

1 files changed, 68 insertions, 25 deletions

diff --git a/vendor/github.com/cilium/ebpf/Makefile b/vendor/github.com/cilium/ebpf/Makefile
index 5d4195833..2d5f04c37 100644
--- a/vendor/github.com/cilium/ebpf/Makefile
+++ b/vendor/github.com/cilium/ebpf/Makefile
@@ -1,67 +1,110 @@
 # The development version of clang is distributed as the 'clang' binary,
 # while stable/released versions have a version number attached.
 # Pin the default clang to a stable version.
-CLANG ?= clang-11
-CFLAGS := -target bpf -O2 -g -Wall -Werror $(CFLAGS)
+CLANG ?= clang-14
+STRIP ?= llvm-strip-14
+OBJCOPY ?= llvm-objcopy-14
+CFLAGS := -O2 -g -Wall -Werror $(CFLAGS)
+
+CI_KERNEL_URL ?= https://github.com/cilium/ci-kernels/raw/master/
 
 # Obtain an absolute path to the directory of the Makefile.
 # Assume the Makefile is in the root of the repository.
 REPODIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
 UIDGID := $(shell stat -c '%u:%g' ${REPODIR})
 
+# Prefer podman if installed, otherwise use docker.
+# Note: Setting the var at runtime will always override.
+CONTAINER_ENGINE ?= $(if $(shell command -v podman), podman, docker)
+CONTAINER_RUN_ARGS ?= $(if $(filter ${CONTAINER_ENGINE}, podman), --log-driver=none, --user "${UIDGID}")
+
 IMAGE := $(shell cat ${REPODIR}/testdata/docker/IMAGE)
 VERSION := $(shell cat ${REPODIR}/testdata/docker/VERSION)
 
+
 # clang <8 doesn't tag relocs properly (STT_NOTYPE)
 # clang 9 is the first version emitting BTF
 TARGETS := \
 	testdata/loader-clang-7 \
 	testdata/loader-clang-9 \
-	testdata/loader-clang-11 \
+	testdata/loader-$(CLANG) \
+	testdata/btf_map_init \
 	testdata/invalid_map \
 	testdata/raw_tracepoint \
 	testdata/invalid_map_static \
-	testdata/initialized_btf_map \
+	testdata/invalid_btf_map_init \
 	testdata/strings \
-	internal/btf/testdata/relocs
+	testdata/freplace \
+	testdata/iproute2_map_compat \
+	testdata/map_spin_lock \
+	testdata/subprog_reloc \
+	testdata/fwd_decl \
+	btf/testdata/relocs \
+	btf/testdata/relocs_read \
+	btf/testdata/relocs_read_tgt
 
-.PHONY: all clean docker-all docker-shell
+.PHONY: all clean container-all container-shell generate
 
-.DEFAULT_TARGET = docker-all
+.DEFAULT_TARGET = container-all
 
-# Build all ELF binaries using a Dockerized LLVM toolchain.
-docker-all:
-	docker run --rm --user "${UIDGID}" \
+# Build all ELF binaries using a containerized LLVM toolchain.
+container-all:
+	${CONTAINER_ENGINE} run --rm ${CONTAINER_RUN_ARGS} \
 		-v "${REPODIR}":/ebpf -w /ebpf --env MAKEFLAGS \
+		--env CFLAGS="-fdebug-prefix-map=/ebpf=." \
+		--env HOME="/tmp" \
 		"${IMAGE}:${VERSION}" \
-		make all
+		$(MAKE) all
 
-# (debug) Drop the user into a shell inside the Docker container as root.
-docker-shell:
-	docker run --rm -ti \
+# (debug) Drop the user into a shell inside the container as root.
+container-shell:
+	${CONTAINER_ENGINE} run --rm -ti \
 		-v "${REPODIR}":/ebpf -w /ebpf \
 		"${IMAGE}:${VERSION}"
 
 clean:
 	-$(RM) testdata/*.elf
-	-$(RM) internal/btf/testdata/*.elf
+	-$(RM) btf/testdata/*.elf
+
+format:
+	find . -type f -name "*.c" | xargs clang-format -i
+
+all: format $(addsuffix -el.elf,$(TARGETS)) $(addsuffix -eb.elf,$(TARGETS)) generate
+	ln -srf testdata/loader-$(CLANG)-el.elf testdata/loader-el.elf
+	ln -srf testdata/loader-$(CLANG)-eb.elf testdata/loader-eb.elf
 
-all: $(addsuffix -el.elf,$(TARGETS)) $(addsuffix -eb.elf,$(TARGETS))
+# $BPF_CLANG is used in go:generate invocations.
+generate: export BPF_CLANG := $(CLANG)
+generate: export BPF_CFLAGS := $(CFLAGS)
+generate:
+	go generate ./cmd/bpf2go/test
+	go generate ./internal/sys
+	cd examples/ && go generate ./...
 
 testdata/loader-%-el.elf: testdata/loader.c
-	$* $(CFLAGS) -mlittle-endian -c $< -o $@
+	$* $(CFLAGS) -target bpfel -c $< -o $@
+	$(STRIP) -g $@
 
 testdata/loader-%-eb.elf: testdata/loader.c
-	$* $(CFLAGS) -mbig-endian -c $< -o $@
+	$* $(CFLAGS) -target bpfeb -c $< -o $@
+	$(STRIP) -g $@
 
 %-el.elf: %.c
-	$(CLANG) $(CFLAGS) -mlittle-endian -c $< -o $@
+	$(CLANG) $(CFLAGS) -target bpfel -c $< -o $@
+	$(STRIP) -g $@
 
 %-eb.elf : %.c
-	$(CLANG) $(CFLAGS) -mbig-endian -c $< -o $@
+	$(CLANG) $(CFLAGS) -target bpfeb -c $< -o $@
+	$(STRIP) -g $@
 
-# Usage: make VMLINUX=/path/to/vmlinux vmlinux-btf
-.PHONY: vmlinux-btf
-vmlinux-btf: internal/btf/testdata/vmlinux-btf.gz
-internal/btf/testdata/vmlinux-btf.gz: $(VMLINUX)
-	objcopy --dump-section .BTF=/dev/stdout "$<" /dev/null | gzip > "$@"
+.PHONY: generate-btf
+generate-btf: KERNEL_VERSION?=5.18
+generate-btf:
+	$(eval TMP := $(shell mktemp -d))
+	curl -fL "$(CI_KERNEL_URL)/linux-$(KERNEL_VERSION).bz" -o "$(TMP)/bzImage"
+	./testdata/extract-vmlinux "$(TMP)/bzImage" > "$(TMP)/vmlinux"
+	$(OBJCOPY) --dump-section .BTF=/dev/stdout "$(TMP)/vmlinux" /dev/null | gzip > "btf/testdata/vmlinux.btf.gz"
+	curl -fL "$(CI_KERNEL_URL)/linux-$(KERNEL_VERSION)-selftests-bpf.tgz" -o "$(TMP)/selftests.tgz"
+	tar -xf "$(TMP)/selftests.tgz" --to-stdout tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.ko | \
+		$(OBJCOPY) --dump-section .BTF="btf/testdata/btf_testmod.btf" - /dev/null
+	$(RM) -r "$(TMP)"