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AJvYcCXeA5/Orz5jTxfdBNXL0PN74G+RCMHIO1OZ5z8Fu+TloD0bZCHiVSCUA9elUz4NeAHfG07rI2A=@vger.kernel.org X-Gm-Message-State: AOJu0YwUYGBld8D9ZU18KPPcMZlcBdS1Lb+qymxYMWNOacvlMEJhblgH q9HQiun7AvtaQBh7Aq81m50QKDSaP54BHvrIhVYVJWi9lmWW9LGJ X-Google-Smtp-Source: AGHT+IFbznR5P6rHn4PRHAOibY2ixSiU4wVGFBkpPVRTR67Av1UfHb4QFHbAQnqO0hCWXJwaa2fawQ== X-Received: by 2002:a17:90b:3ec1:b0:2d8:ebef:547 with SMTP id 98e67ed59e1d1-2dbb9f08b33mr8297493a91.35.1726329494481; Sat, 14 Sep 2024 08:58:14 -0700 (PDT) Received: from localhost.localdomain ([2620:10d:c090:400::5:3945]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2dbb9c7c7b4sm3860098a91.17.2024.09.14.08.58.12 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Sat, 14 Sep 2024 08:58:14 -0700 (PDT) From: Alexei Starovoitov To: Linus Torvalds Cc: bpf@vger.kernel.org, netdev@vger.kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@kernel.org Subject: [GIT PULL] BPF changes for v6.12 Date: Sat, 14 Sep 2024 08:58:10 -0700 Message-Id: <20240914155810.15758-1-alexei.starovoitov@gmail.com> X-Mailer: git-send-email 2.39.3 (Apple Git-146) Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Hi Linus, The following changes since commit 872cf28b8df9c5c3a1e71a88ee750df7c2513971: Merge tag 'platform-drivers-x86-v6.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 (2024-08-22 06:34:27 +0800) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git tags/bpf-next-6.12 for you to fetch changes up to 5277d130947ba8c0d54c16eed89eb97f0b6d2e5a: btf: require pahole 1.21+ for DEBUG_INFO_BTF with default DWARF version (2024-09-13 20:03:29 -0700) ---------------------------------------------------------------- = BPF networking changes will come via net-next pull-req as discussed = In addition, Al's struct-fd bpf related changes and Andrii's fd cleanups will be sent as a separate pull-req. Currently waiting in bpf-next/struct_fd branch. = The following are the main BPF changes (there should be no conflicts): - Introduce __attribute__((bpf_fastcall) for helpers and kfuncs with corresponding support in LLVM. It is similar to existing no_caller_saved_registers attribute in GCC/LLVM with a provision for backward compatibility. It allows compilers generate more efficient BPF code assuming the verifier or JITs will inline or partially inline a helper/kfunc with such attribute. bpf_cast_to_kern_ctx, bpf_rdonly_cast, bpf_get_smp_processor_id are the first set of such helpers. - Harden and extend ELF build ID parsing logic. When called from sleepable context the relevants parts of ELF file will be read to find and fetch .note.gnu.build-id information. Also harden the logic to avoid TOCTOU, overflow, out-of-bounds problems. - Improvements and fixes for sched-ext . Allow passing BPF iterators as kfunc arguments . Make the pointer returned from iter_next method trusted . Fix x86 JIT convergence issue due to growing/shrinking conditional jumps in variable length encoding - BPF_LSM related . Introduce few VFS kfuncs and consolidate them in fs/bpf_fs_kfuncs.c . Enforce correct range of return values from certain LSM hooks . Disallow attaching to other LSM hooks - Prerequisite work for upcoming Qdisc in BPF . Allow kptrs in program provided structs . Support for gen_epilogue in verifier_ops - Important fixes . Fix uprobe multi pid filter check . Fix bpf_strtol and bpf_strtoul helpers . Track equal scalars history on per-instruction level . Fix tailcall hierarchy on x86 and arm64 . Fix signed division overflow to prevent INT_MIN/-1 trap on x86 . Fix get kernel stack in BPF progs attached to tracepoint:syscall - Selftests related . Add uprobe bench/stress tool . Generate file dependencies to drastically improve re-build time . Match JIT-ed and BPF asm with __xlated/__jited keywords . Convert older tests to test_progs framework . Add support for RISC-V . Few fixes when BPF programs are compiled with GCC-BPF backend (support for GCC-BPF in BPF CI is ongoing in parallel) . Add traffic monitor . Enable cross compile and musl libc Signed-off-by: Alexei Starovoitov ---------------------------------------------------------------- Alan Maguire (1): libbpf: Fix license for btf_relocate.c Alexei Starovoitov (21): Merge branch 'bpf-fix-tailcall-hierarchy' Merge branch 'bpf-retire-the-unsupported_ops-usage-in-struct_ops' Merge branch 'add-bpf-lsm-return-value-range-check-bpf-part' selftests/bpf: Workaround strict bpf_lsm return value check. Merge branch 'no_caller_saved_registers-attribute-for-helper-calls' Merge branch 'bpf-introduce-new-vfs-based-bpf-kfuncs' Merge branch 'add-bpf_get_dentry_xattr' Merge branch 'support-passing-bpf-iterator-to-kfuncs' Merge branch '__jited-test-tag-to-check-disassembly-after-jit' Merge branch 'bpf-fix-null-pointer-access-for-malformed-bpf_core_type_id_local-relos' Merge branch 'support-bpf_fastcall-patterns-for-calls-to-kfuncs' Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf Merge branch 'follow-up-for-__jited-test-tag' Merge branch 'support-bpf_kptr_xchg-into-local-kptr' Merge branch 'bpf-arm64-simplify-jited-prologue-epilogue' Merge branch 'bpf-add-gen_epilogue-to-bpf_verifier_ops' Merge branch 'bpf-follow-up-on-gen_epilogue' Merge branch 'local-vmtest-enhancement-and-rv64-enabled' Merge branch 'allow-kfuncs-in-tracepoint-and-perf-event' Merge branch 'harden-and-extend-elf-build-id-parsing-logic' Merge branch 'two-tiny-fixes-for-btf-record' Alexey Gladkov (1): bpf: Remove custom build rule Alexis Lothoré (eBPF Foundation) (9): selftests/bpf: Update xdp_redirect_map prog sections for libbpf selftests/bpf: Integrate test_xdp_veth into test_progs selftests/bpf: do not disable /dev/null device access in cgroup dev test selftests/bpf: convert test_dev_cgroup to test_progs selftests/bpf: add wrong type test to cgroup dev selftests/bpf: convert get_current_cgroup_id_user to test_progs selftests/bpf: convert test_cgroup_storage to test_progs selftests/bpf: add proper section name to bpf prog and rename it selftests/bpf: convert test_skb_cgroup_id_user to test_progs Amery Hung (2): bpf: Let callers of btf_parse_kptr() track life cycle of prog btf selftests/bpf: Make sure stashed kptr in local kptr is freed recursively Andrew Kreimer (1): bpftool: Fix typos Andrii Nakryiko (27): Merge branch 'bpf-track-find_equal_scalars-history-on-per-instruction-level' Merge branch 'selftests-bpf-add-more-uprobe-multi-tests' Merge branch 'selftests-bpf-improve-libc-portability-musl-support-part-1' selftests/bpf: fix RELEASE=1 compilation for sock_addr.c Merge branch 'bpf-enable-some-functions-in-cgroup-programs' Merge branch 'correct-recent-gcc-incompatible-changes' bpf: extract iterator argument type and name validation logic bpf: allow passing struct bpf_iter_ as kfunc arguments selftests/bpf: test passing iterator to a kfunc selftests/bpf: make use of PROCMAP_QUERY ioctl if available selftests/bpf: add multi-uprobe benchmarks libbpf: Fix bpf_object__open_skeleton()'s mishandling of options Merge branch 'fix-accessing-first-syscall-argument-on-rv64' Merge branch 'selftests-bpf-add-uprobe-multi-pid-filter-test' bpf: change int cmd argument in __sys_bpf into typed enum bpf_cmd MAINTAINERS: record lib/buildid.c as owned by BPF subsystem lib/buildid: harden build ID parsing logic lib/buildid: add single folio-based file reader abstraction lib/buildid: take into account e_phoff when fetching program headers lib/buildid: remove single-page limit for PHDR search lib/buildid: rename build_id_parse() into build_id_parse_nofault() lib/buildid: implement sleepable build_id_parse() API lib/buildid: don't limit .note.gnu.build-id to the first page in ELF bpf: decouple stack_map_get_build_id_offset() from perf_callchain_entry bpf: wire up sleepable bpf_get_stack() and bpf_get_task_stack() helpers selftests/bpf: add build ID tests Merge branch 'bpf-add-percpu-map-value-size-check' Artem Savkov (1): selftests/bpf: Fix compilation failure when CONFIG_NET_FOU!=y Cupertino Miranda (2): selftests/bpf: Disable strict aliasing for verifier_nocsr.c selftest/bpf: Adapt inline asm operand constraint for GCC support Daniel Borkmann (9): bpf: Fix bpf_strtol and bpf_strtoul helpers for 32bit bpf: Remove truncation test in bpf_strtol and bpf_strtoul helpers bpf: Fix helper writes to read-only maps bpf: Improve check_raw_mode_ok test for MEM_UNINIT-tagged types bpf: Zero former ARG_PTR_TO_{LONG,INT} args in case of error selftests/bpf: Fix ARG_PTR_TO_LONG {half-,}uninitialized test selftests/bpf: Rename ARG_PTR_TO_LONG test description selftests/bpf: Add a test case to write strtol result into .rodata selftests/bpf: Add a test case to write mtu result into .rodata Dave Marchevsky (4): bpf: Search for kptrs in prog BTF structs bpf: Rename ARG_PTR_TO_KPTR -> ARG_KPTR_XCHG_DEST bpf: Support bpf_kptr_xchg into local kptr selftests/bpf: Test bpf_kptr_xchg stashing into local kptr David Vernet (2): libbpf: Don't take direct pointers into BTF data from st_ops selftests/bpf: Load struct_ops map in global_maps_resize test Donald Hunter (1): docs/bpf: Add missing BPF program types to docs Eduard Zingerman (37): bpf: Track equal scalars history on per-instruction level bpf: Remove mark_precise_scalar_ids() selftests/bpf: Tests for per-insn sync_linked_regs() precision tracking selftests/bpf: Update comments find_equal_scalars->sync_linked_regs bpf: add a get_helper_proto() utility function bpf: no_caller_saved_registers attribute for helper calls bpf, x86, riscv, arm: no_caller_saved_registers for bpf_get_smp_processor_id() selftests/bpf: extract utility function for BPF disassembly selftests/bpf: print correct offset for pseudo calls in disasm_insn() selftests/bpf: no need to track next_match_pos in struct test_loader selftests/bpf: extract test_loader->expect_msgs as a data structure selftests/bpf: allow checking xlated programs in verifier_* tests selftests/bpf: __arch_* macro to limit test cases to specific archs selftests/bpf: test no_caller_saved_registers spill/fill removal selftests/bpf: less spam in the log for message matching selftests/bpf: correctly move 'log' upon successful match selftests/bpf: fix to avoid __msg tag de-duplication by clang selftests/bpf: replace __regex macro with "{{...}}" patterns selftests/bpf: utility function to get program disassembly after jit selftests/bpf: __jited test tag to check disassembly after jit selftests/bpf: validate jit behaviour for tail calls selftests/bpf: validate __xlated same way as __jited bpf: correctly handle malformed BPF_CORE_TYPE_ID_LOCAL relos selftests/bpf: test for malformed BPF_CORE_TYPE_ID_LOCAL relocation bpf: rename nocsr -> bpf_fastcall in verifier selftests/bpf: rename nocsr -> bpf_fastcall in selftests bpf: support bpf_fastcall patterns for kfuncs bpf: allow bpf_fastcall for bpf_cast_to_kern_ctx and bpf_rdonly_cast selftests/bpf: by default use arch mask allowing all archs selftests/bpf: check if bpf_fastcall is recognized for kfuncs selftests/bpf: test_loader.c:get_current_arch() should not return 0 selftests/bpf: match both retq/rethunk in verifier_tailcall_jit selftests/bpf: #define LOCAL_LABEL_LEN for jit_disasm_helpers.c selftests/bpf: use simply-expanded variables for libpcap flags selftests/bpf: attach struct_ops maps before test prog runs selftests/bpf: Check if distilled base inherits source endianness selftests/bpf: Prefer static linking for LLVM libraries Feng Yang (1): selftests: bpf: Replace sizeof(arr)/sizeof(arr[0]) with ARRAY_SIZE Geliang Tang (7): selftests/bpf: Drop type of connect_to_fd_opts selftests/bpf: Drop must_fail from network_helper_opts selftests/bpf: Add connect_to_addr_str helper selftests/bpf: Drop make_client in sk_lookup selftests/bpf: Drop make_socket in sk_lookup selftests/bpf: Drop inetaddr_len in sk_lookup selftests/bpf: Drop __start_server in network_helpers Hao Ge (1): selftests/bpf: Fix incorrect parameters in NULL pointer checking Hongbo Li (1): bpf: Use kvmemdup to simplify the code Hou Tao (2): bpf: Call the missed btf_record_free() when map creation fails bpf: Call the missed kfree() when there is no special field in btf Ihor Solodrai (6): selftests/bpf: Use auto-dependencies for test objects selftests/bpf: Don't include .d files on make clean selftests/bpf: Make %.test.d prerequisite order only selftests/bpf: Specify libbpf headers required for %.bpf.o progs selftests/bpf: Do not update vmlinux.h unnecessarily libbpf: Add bpf_object__token_fd accessor JP Kobryn (2): bpf: allow kfuncs within tracepoint and perf event programs bpf/selftests: coverage for tp and perf event progs using kfuncs Jeongjun Park (1): bpf: Remove __btf_name_valid() and change to btf_name_valid_identifier() Jiangshan Yi (1): samples/bpf: Fix compilation errors with cf-protection option Jinjie Ruan (1): bpf: Use sockfd_put() helper Jiri Olsa (7): selftests/bpf: Add uprobe fail tests for uprobe multi selftests/bpf: Add uprobe multi consumers test bpf: Fix uprobe multi pid filter check selftests/bpf: Add child argument to spawn_child function selftests/bpf: Add uprobe multi pid filter test for fork-ed processes selftests/bpf: Add uprobe multi pid filter test for clone-ed processes libbpf: Fix uretprobe.multi.s programs auto attachment Jordan Rome (2): bpf: Add bpf_copy_from_user_str kfunc selftests/bpf: Add tests for bpf_copy_from_user_str kfunc. Juntong Deng (4): bpf: Relax KF_ACQUIRE kfuncs strict type matching constraint selftests/bpf: Add test for zero offset or non-zero offset pointers as KF_ACQUIRE kfuncs argument bpf: Make the pointer returned by iter next method valid selftests/bpf: Add tests for iter next method returning valid pointer Kuan-Wei Chiu (2): bpftool: Fix undefined behavior caused by shifting into the sign bit bpftool: Fix undefined behavior in qsort(NULL, 0, ...) Kui-Feng Lee (6): selftests/bpf: Add traffic monitor functions. selftests/bpf: Add the traffic monitor option to test_progs. selftests/bpf: netns_new() and netns_free() helpers. selftests/bpf: Monitor traffic for tc_redirect. selftests/bpf: Monitor traffic for sockmap_listen. selftests/bpf: Monitor traffic for select_reuseport. Leon Hwang (4): bpf, x64: Fix tailcall hierarchy bpf, arm64: Fix tailcall hierarchy selftests/bpf: Add testcases for tailcall hierarchy fixing selftests/bpf: Add testcase for updating attached freplace prog to prog_array map Lin Yikai (3): selftests/bpf: fix some typos in selftests bpftool: fix some typos in bpftool libbpf: fix some typos in libbpf Markus Elfring (2): bpf: Replace 8 seq_puts() calls by seq_putc() calls bpf: Simplify character output in seq_print_delegate_opts() Martin KaFai Lau (18): Merge branch 'use network helpers, part 9' bpf: Check unsupported ops from the bpf_struct_ops's cfi_stubs selftests/bpf: Fix the missing tramp_1 to tramp_40 ops in cfi_stubs selftests/bpf: Ensure the unsupported struct_ops prog cannot be loaded Merge branch 'use network helpers, part 10' Merge branch 'selftests/bpf: convert test_dev_cgroup to test_progs' Merge branch 'selftests/bpf: convert three other cgroup tests to test_progs' Merge branch 'monitor network traffic for flaky test cases' bpf: Move insn_buf[16] to bpf_verifier_env bpf: Adjust BPF_JMP that jumps to the 1st insn of the prologue bpf: Add gen_epilogue to bpf_verifier_ops bpf: Export bpf_base_func_proto selftests/bpf: Test gen_prologue and gen_epilogue selftests/bpf: Add tailcall epilogue test selftests/bpf: A pro/epilogue test when the main prog jumps back to the 1st insn selftests/bpf: Test epilogue patching when the main prog has multiple BPF_EXIT bpf: Remove the insn_buf array stack usage from the inline_bpf_loop() bpf: Fix indentation issue in epilogue_idx Masahiro Yamada (3): btf: remove redundant CONFIG_BPF test in scripts/link-vmlinux.sh btf: move pahole check in scripts/link-vmlinux.sh to lib/Kconfig.debug btf: require pahole 1.21+ for DEBUG_INFO_BTF with default DWARF version Matt Bobrowski (3): bpf: introduce new VFS based BPF kfuncs selftests/bpf: add negative tests for new VFS based BPF kfuncs selftests/bpf: add positive tests for new VFS based BPF kfuncs Matteo Croce (2): bpf: Enable generic kfuncs for BPF_CGROUP_* programs bpf: Allow bpf_current_task_under_cgroup() with BPF_CGROUP_* Maxim Mikityanskiy (1): bpf: Fix error message on kfunc arg type mismatch Menglong Dong (1): bpf: kprobe: Remove unused declaring of bpf_kprobe_override Mykyta Yatsenko (2): bpftool: Fix handling enum64 in btf dump sorting bpftool: Improve btf c dump sorting stability Pu Lehui (13): libbpf: Access first syscall argument with CO-RE direct read on s390 libbpf: Access first syscall argument with CO-RE direct read on arm64 selftests/bpf: Enable test_bpf_syscall_macro: Syscall_arg1 on s390 and arm64 libbpf: Fix accessing first syscall argument on RV64 selftests/bpf: Adapt OUTPUT appending logic to lower versions of Make selftests/bpf: Rename fallback in bpf_dctcp to avoid naming conflict selftests/bpf: Limit URLS parsing logic to actual scope in vmtest selftests/bpf: Support local rootfs image for vmtest selftests/bpf: Enable cross platform testing for vmtest selftests/bpf: Add config.riscv64 selftests/bpf: Add DENYLIST.riscv64 selftests/bpf: Add riscv64 configurations to local vmtest selftests/bpf: Add description for running vmtest on RV64 Quentin Monnet (1): bpftool: Add missing blank lines in bpftool-net doc example Rong Tao (2): samples/bpf: tracex4: Fix failed to create kretprobe 'kmem_cache_alloc_node+0x0' samples/bpf: Remove sample tracex2 Sam James (2): libbpf: Workaround -Wmaybe-uninitialized false positive libbpf: Workaround (another) -Wmaybe-uninitialized false positive Shahab Vahedi (1): MAINTAINERS: BPF ARC JIT: Update my e-mail address Shung-Hsi Yu (1): bpf: use type_may_be_null() helper for nullable-param check Shuyi Cheng (1): libbpf: Fixed getting wrong return address on arm64 architecture Song Liu (5): selftests/bpf: Add a test for mmap-able map in map bpf: Move bpf_get_file_xattr to fs/bpf_fs_kfuncs.c bpf: Add kfunc bpf_get_dentry_xattr() to read xattr from dentry selftests/bpf: Add tests for bpf_get_dentry_xattr bpf: lsm: Set bpf_lsm_blob_sizes.lbs_task to 0 Stanislav Fomichev (1): xsk: Try to make xdp_umem_reg extension a bit more future-proof Tao Chen (6): bpftool: Refactor xdp attach/detach type judgment bpftool: Add net attach/detach command to tcx prog bpftool: Add bash-completion for tcx subcommand bpftool: Add document for net attach/detach on tcx subcommand bpf: Check percpu map value size first bpf/selftests: Check errno when percpu map value size exceeds Tony Ambardar (30): selftests/bpf: Add missing system defines for mips selftests/bpf: Fix error linking uprobe_multi on mips selftests/bpf: Fix wrong binary in Makefile log output tools/runqslower: Fix LDFLAGS and add LDLIBS support selftests/bpf: Use pid_t consistently in test_progs.c selftests/bpf: Fix compile error from rlim_t in sk_storage_map.c selftests/bpf: Fix error compiling bpf_iter_setsockopt.c with musl libc selftests/bpf: Drop unneeded error.h includes selftests/bpf: Fix missing ARRAY_SIZE() definition in bench.c selftests/bpf: Fix missing UINT_MAX definitions in benchmarks selftests/bpf: Fix missing BUILD_BUG_ON() declaration selftests/bpf: Fix include of selftests/bpf: Fix compiling parse_tcp_hdr_opt.c with musl-libc selftests/bpf: Fix compiling kfree_skb.c with musl-libc selftests/bpf: Fix compiling flow_dissector.c with musl-libc selftests/bpf: Fix compiling tcp_rtt.c with musl-libc selftests/bpf: Fix compiling core_reloc.c with musl-libc selftests/bpf: Fix errors compiling lwt_redirect.c with musl libc selftests/bpf: Fix errors compiling decap_sanity.c with musl libc selftests/bpf: Fix errors compiling crypto_sanity.c with musl libc selftests/bpf: Fix errors compiling cg_storage_multi.h with musl libc selftests/bpf: Use portable POSIX basename() selftests/bpf: Fix arg parsing in veristat, test_progs selftests/bpf: Fix error compiling test_lru_map.c selftests/bpf: Fix C++ compile error from missing _Bool type selftests/bpf: Fix redefinition errors compiling lwt_reroute.c selftests/bpf: Fix compile if backtrace support missing in libc selftests/bpf: Fix using stdout, stderr as struct field names selftests/bpf: Fix error compiling tc_redirect.c with musl libc libbpf: Ensure new BTF objects inherit input endianness Uros Bizjak (1): bpf: Fix percpu address space issues Will Hawkins (1): docs/bpf: Add constant values for linkages Xu Kuohai (11): bpf, lsm: Add disabled BPF LSM hook list bpf, lsm: Add check for BPF LSM return value bpf: Prevent tail call between progs attached to different hooks bpf: Fix compare error in function retval_range_within selftests/bpf: Avoid load failure for token_lsm.c selftests/bpf: Add return value checks for failed tests selftests/bpf: Add test for lsm tail call selftests/bpf: Add verifier tests for bpf lsm bpf, arm64: Get rid of fpb bpf, arm64: Avoid blindly saving/restoring all callee-saved registers bpf, arm64: Jit BPF_CALL to direct call when possible Yiming Xiang (1): docs/bpf: Fix a typo in verifier.rst Yonghong Song (11): bpf: Fail verification for sign-extension of packet data/data_end/data_meta selftests/bpf: Add tests for ldsx of pkt data/data_end/data_meta accesses bpf: Get better reg range with ldsx and 32bit compare selftests/bpf: Add reg_bounds tests for ldsx and subreg compare selftests/bpf: Fix a btf_dump selftest failure bpf, x64: Fix a jit convergence issue selftests/bpf: Add a selftest for x86 jit convergence issues selftests/bpf: Fix arena_atomics failure due to llvm change bpf: Use fake pt_regs when doing bpf syscall tracepoint tracing bpf: Fix a sdiv overflow issue selftests/bpf: Add tests for sdiv/smod overflow cases Yu Jiaoliang (1): bpf: Use kmemdup_array instead of kmemdup for multiple allocation Yuan Chen (1): selftests/bpf: Fix procmap_query()'s params mismatch and compilation warning Yusheng Zheng (1): libbpf: Fix some typos in comments Zhu Jun (1): tools/bpf: Fix the wrong format specifier Documentation/bpf/btf.rst | 39 +- Documentation/bpf/libbpf/program_types.rst | 30 +- Documentation/bpf/verifier.rst | 2 +- MAINTAINERS | 4 +- arch/arm64/net/bpf_jit_comp.c | 508 ++++---- arch/x86/net/bpf_jit_comp.c | 161 ++- fs/Makefile | 1 + fs/bpf_fs_kfuncs.c | 185 +++ include/linux/bpf.h | 28 +- include/linux/bpf_lsm.h | 8 + include/linux/bpf_verifier.h | 27 + include/linux/btf.h | 5 + include/linux/buildid.h | 4 +- include/linux/filter.h | 10 + include/uapi/linux/bpf.h | 18 +- kernel/bpf/Makefile | 6 - kernel/bpf/arraymap.c | 17 +- kernel/bpf/bpf_lsm.c | 65 +- kernel/bpf/bpf_struct_ops.c | 9 +- kernel/bpf/btf.c | 159 ++- kernel/bpf/btf_iter.c | 2 + kernel/bpf/btf_relocate.c | 2 + kernel/bpf/cgroup.c | 2 + kernel/bpf/core.c | 21 +- kernel/bpf/hashtab.c | 16 +- kernel/bpf/helpers.c | 94 +- kernel/bpf/inode.c | 4 +- kernel/bpf/local_storage.c | 4 +- kernel/bpf/memalloc.c | 12 +- kernel/bpf/relo_core.c | 2 + kernel/bpf/reuseport_array.c | 2 +- kernel/bpf/stackmap.c | 131 +- kernel/bpf/syscall.c | 31 +- kernel/bpf/verifier.c | 1291 +++++++++++++++----- kernel/events/core.c | 2 +- kernel/trace/bpf_trace.c | 108 +- 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tools/lib/bpf/elf.c | 3 + tools/lib/bpf/libbpf.c | 88 +- tools/lib/bpf/libbpf.h | 18 +- tools/lib/bpf/libbpf.map | 1 + tools/lib/bpf/libbpf_legacy.h | 4 +- tools/lib/bpf/linker.c | 4 +- tools/lib/bpf/skel_internal.h | 2 +- tools/lib/bpf/usdt.bpf.h | 2 +- tools/testing/selftests/bpf/.gitignore | 6 +- tools/testing/selftests/bpf/DENYLIST.riscv64 | 3 + tools/testing/selftests/bpf/Makefile | 151 ++- tools/testing/selftests/bpf/README.rst | 32 +- tools/testing/selftests/bpf/bench.c | 13 + tools/testing/selftests/bpf/bench.h | 1 + tools/testing/selftests/bpf/benchs/bench_trigger.c | 83 +- tools/testing/selftests/bpf/bpf_experimental.h | 26 + tools/testing/selftests/bpf/bpf_kfuncs.h | 11 +- .../selftests/bpf/bpf_testmod/bpf_testmod.c | 257 +++- .../selftests/bpf/bpf_testmod/bpf_testmod.h | 12 + .../selftests/bpf/bpf_testmod/bpf_testmod_kfunc.h | 15 + tools/testing/selftests/bpf/cgroup_helpers.c | 2 +- tools/testing/selftests/bpf/config.riscv64 | 84 ++ tools/testing/selftests/bpf/disasm_helpers.c | 69 ++ tools/testing/selftests/bpf/disasm_helpers.h | 12 + tools/testing/selftests/bpf/get_cgroup_id_user.c | 151 --- tools/testing/selftests/bpf/jit_disasm_helpers.c | 245 ++++ tools/testing/selftests/bpf/jit_disasm_helpers.h | 10 + .../selftests/bpf/map_tests/htab_map_batch_ops.c | 2 +- .../bpf/map_tests/lpm_trie_map_batch_ops.c | 2 +- .../selftests/bpf/map_tests/map_percpu_stats.c | 18 + .../selftests/bpf/map_tests/sk_storage_map.c | 2 +- tools/testing/selftests/bpf/network_helpers.c | 602 ++++++++- tools/testing/selftests/bpf/network_helpers.h | 25 +- .../selftests/bpf/prog_tests/attach_probe.c | 8 +- tools/testing/selftests/bpf/prog_tests/bpf_iter.c | 4 +- .../selftests/bpf/prog_tests/bpf_iter_setsockopt.c | 2 +- .../testing/selftests/bpf/prog_tests/bpf_tcp_ca.c | 4 +- tools/testing/selftests/bpf/prog_tests/btf.c | 6 +- .../testing/selftests/bpf/prog_tests/btf_distill.c | 68 ++ tools/testing/selftests/bpf/prog_tests/btf_dump.c | 4 +- tools/testing/selftests/bpf/prog_tests/build_id.c | 118 ++ .../selftests/bpf/prog_tests/cg_storage_multi.c | 2 +- .../selftests/bpf/prog_tests/cgroup_ancestor.c | 141 +++ .../testing/selftests/bpf/prog_tests/cgroup_dev.c | 125 ++ .../bpf/prog_tests/cgroup_get_current_cgroup_id.c | 46 + .../selftests/bpf/prog_tests/cgroup_storage.c | 96 ++ .../testing/selftests/bpf/prog_tests/cgroup_v1v2.c | 16 +- .../testing/selftests/bpf/prog_tests/core_reloc.c | 1 + .../selftests/bpf/prog_tests/core_reloc_raw.c | 125 ++ .../selftests/bpf/prog_tests/crypto_sanity.c | 1 - .../testing/selftests/bpf/prog_tests/ctx_rewrite.c | 74 +- .../selftests/bpf/prog_tests/decap_sanity.c | 1 - .../selftests/bpf/prog_tests/fexit_stress.c | 3 +- .../selftests/bpf/prog_tests/flow_dissector.c | 2 +- tools/testing/selftests/bpf/prog_tests/fs_kfuncs.c | 9 +- tools/testing/selftests/bpf/prog_tests/iters.c | 5 +- tools/testing/selftests/bpf/prog_tests/kfree_skb.c | 1 + .../testing/selftests/bpf/prog_tests/kfunc_call.c | 1 + tools/testing/selftests/bpf/prog_tests/log_buf.c | 9 +- .../selftests/bpf/prog_tests/lwt_redirect.c | 1 - .../testing/selftests/bpf/prog_tests/lwt_reroute.c | 1 + .../bpf/prog_tests/module_fentry_shadow.c | 3 +- .../selftests/bpf/prog_tests/nested_trust.c | 4 + .../selftests/bpf/prog_tests/ns_current_pid_tgid.c | 2 +- .../selftests/bpf/prog_tests/parse_tcp_hdr_opt.c | 1 + .../selftests/bpf/prog_tests/pro_epilogue.c | 60 + .../raw_tp_writable_reject_nbd_invalid.c | 3 +- .../bpf/prog_tests/raw_tp_writable_test_run.c | 5 +- .../selftests/bpf/prog_tests/read_vsyscall.c | 1 + .../testing/selftests/bpf/prog_tests/reg_bounds.c | 32 +- .../selftests/bpf/prog_tests/resolve_btfids.c | 2 +- .../selftests/bpf/prog_tests/select_reuseport.c | 37 +- tools/testing/selftests/bpf/prog_tests/sk_lookup.c | 111 +- tools/testing/selftests/bpf/prog_tests/sock_addr.c | 1 + .../selftests/bpf/prog_tests/sockmap_listen.c | 8 + tools/testing/selftests/bpf/prog_tests/tailcalls.c | 385 +++++- tools/testing/selftests/bpf/prog_tests/tc_opts.c | 2 +- .../testing/selftests/bpf/prog_tests/tc_redirect.c | 43 +- tools/testing/selftests/bpf/prog_tests/tcp_rtt.c | 1 + .../bpf/prog_tests/test_bpf_syscall_macro.c | 4 - .../selftests/bpf/prog_tests/test_bprm_opts.c | 2 +- tools/testing/selftests/bpf/prog_tests/test_lsm.c | 46 +- .../bpf/prog_tests/test_mmap_inner_array.c | 57 + .../selftests/bpf/prog_tests/test_strncmp.c | 2 +- .../bpf/prog_tests/test_struct_ops_module.c | 2 + .../selftests/bpf/prog_tests/test_xdp_veth.c | 213 ++++ tools/testing/selftests/bpf/prog_tests/token.c | 4 +- .../selftests/bpf/prog_tests/unpriv_bpf_disabled.c | 3 +- .../selftests/bpf/prog_tests/uprobe_multi_test.c | 529 +++++++- .../selftests/bpf/prog_tests/user_ringbuf.c | 3 +- tools/testing/selftests/bpf/prog_tests/verifier.c | 14 + tools/testing/selftests/bpf/progs/arena_atomics.c | 32 +- tools/testing/selftests/bpf/progs/bpf_cubic.c | 6 +- tools/testing/selftests/bpf/progs/bpf_dctcp.c | 8 +- tools/testing/selftests/bpf/progs/bpf_misc.h | 64 +- .../selftests/bpf/progs/bpf_syscall_macro.c | 2 - .../testing/selftests/bpf/progs/cg_storage_multi.h | 2 - .../testing/selftests/bpf/progs/cgroup_ancestor.c | 40 + tools/testing/selftests/bpf/progs/cgroup_storage.c | 24 + tools/testing/selftests/bpf/progs/dev_cgroup.c | 4 +- tools/testing/selftests/bpf/progs/dynptr_fail.c | 6 +- tools/testing/selftests/bpf/progs/epilogue_exit.c | 82 ++ .../selftests/bpf/progs/epilogue_tailcall.c | 58 + tools/testing/selftests/bpf/progs/err.h | 10 + .../selftests/bpf/progs/get_cgroup_id_kern.c | 26 +- tools/testing/selftests/bpf/progs/iters_testmod.c | 125 ++ .../selftests/bpf/progs/iters_testmod_seq.c | 50 + .../testing/selftests/bpf/progs/kfunc_call_fail.c | 7 + .../testing/selftests/bpf/progs/local_kptr_stash.c | 30 +- tools/testing/selftests/bpf/progs/lsm_tailcall.c | 34 + .../testing/selftests/bpf/progs/mmap_inner_array.c | 57 + tools/testing/selftests/bpf/progs/nested_acquire.c | 33 + tools/testing/selftests/bpf/progs/pro_epilogue.c | 154 +++ .../selftests/bpf/progs/pro_epilogue_goto_start.c | 149 +++ tools/testing/selftests/bpf/progs/rbtree_fail.c | 2 +- tools/testing/selftests/bpf/progs/read_vsyscall.c | 9 +- .../selftests/bpf/progs/refcounted_kptr_fail.c | 4 +- tools/testing/selftests/bpf/progs/strobemeta.h | 4 +- tools/testing/selftests/bpf/progs/syscall.c | 3 +- .../bpf/progs/tailcall_bpf2bpf_hierarchy1.c | 34 + .../bpf/progs/tailcall_bpf2bpf_hierarchy2.c | 70 ++ .../bpf/progs/tailcall_bpf2bpf_hierarchy3.c | 62 + .../bpf/progs/tailcall_bpf2bpf_hierarchy_fentry.c | 35 + .../selftests/bpf/progs/tailcall_freplace.c | 23 + .../selftests/bpf/progs/task_kfunc_success.c | 56 +- tools/testing/selftests/bpf/progs/tc_bpf2bpf.c | 22 + tools/testing/selftests/bpf/progs/tc_dummy.c | 12 + .../selftests/bpf/progs/test_attach_probe.c | 64 +- tools/testing/selftests/bpf/progs/test_build_id.c | 31 + .../selftests/bpf/progs/test_cls_redirect_dynptr.c | 2 +- .../selftests/bpf/progs/test_core_read_macros.c | 2 +- tools/testing/selftests/bpf/progs/test_get_xattr.c | 37 +- .../selftests/bpf/progs/test_global_func15.c | 2 +- .../selftests/bpf/progs/test_global_map_resize.c | 18 +- .../bpf/progs/test_libbpf_get_fd_by_id_opts.c | 1 + .../testing/selftests/bpf/progs/test_rdonly_maps.c | 3 +- .../selftests/bpf/progs/test_sig_in_xattr.c | 4 + .../selftests/bpf/progs/test_skb_cgroup_id_kern.c | 45 - .../testing/selftests/bpf/progs/test_tunnel_kern.c | 27 +- .../selftests/bpf/progs/test_verify_pkcs7_sig.c | 8 +- tools/testing/selftests/bpf/progs/token_lsm.c | 4 +- tools/testing/selftests/bpf/progs/trigger_bench.c | 7 + .../testing/selftests/bpf/progs/unsupported_ops.c | 22 + .../selftests/bpf/progs/uprobe_multi_consumers.c | 39 + .../selftests/bpf/progs/uprobe_multi_pid_filter.c | 40 + .../selftests/bpf/progs/verifier_bits_iter.c | 2 +- .../selftests/bpf/progs/verifier_bpf_fastcall.c | 900 ++++++++++++++ tools/testing/selftests/bpf/progs/verifier_const.c | 69 ++ .../selftests/bpf/progs/verifier_global_subprogs.c | 7 +- .../testing/selftests/bpf/progs/verifier_int_ptr.c | 15 +- .../selftests/bpf/progs/verifier_jit_convergence.c | 114 ++ .../bpf/progs/verifier_kfunc_prog_types.c | 48 + tools/testing/selftests/bpf/progs/verifier_ldsx.c | 112 ++ tools/testing/selftests/bpf/progs/verifier_lsm.c | 162 +++ .../selftests/bpf/progs/verifier_scalar_ids.c | 256 ++-- tools/testing/selftests/bpf/progs/verifier_sdiv.c | 439 +++++++ .../selftests/bpf/progs/verifier_spill_fill.c | 24 +- .../bpf/progs/verifier_subprog_precision.c | 2 +- .../selftests/bpf/progs/verifier_tailcall_jit.c | 105 ++ .../selftests/bpf/progs/verifier_vfs_accept.c | 85 ++ .../selftests/bpf/progs/verifier_vfs_reject.c | 161 +++ .../testing/selftests/bpf/progs/xdp_redirect_map.c | 6 +- tools/testing/selftests/bpf/test_cgroup_storage.c | 174 --- tools/testing/selftests/bpf/test_cpp.cpp | 4 + tools/testing/selftests/bpf/test_dev_cgroup.c | 85 -- tools/testing/selftests/bpf/test_loader.c | 496 ++++++-- tools/testing/selftests/bpf/test_lru_map.c | 3 +- tools/testing/selftests/bpf/test_maps.c | 2 +- tools/testing/selftests/bpf/test_progs.c | 263 +++- tools/testing/selftests/bpf/test_progs.h | 17 +- tools/testing/selftests/bpf/test_skb_cgroup_id.sh | 63 - .../selftests/bpf/test_skb_cgroup_id_user.c | 183 --- tools/testing/selftests/bpf/test_xdp_veth.sh | 121 -- tools/testing/selftests/bpf/testing_helpers.c | 7 +- tools/testing/selftests/bpf/trace_helpers.c | 104 +- tools/testing/selftests/bpf/unpriv_helpers.c | 1 - tools/testing/selftests/bpf/uprobe_multi.c | 41 + tools/testing/selftests/bpf/uprobe_multi.ld | 11 + tools/testing/selftests/bpf/verifier/calls.c | 2 +- tools/testing/selftests/bpf/verifier/map_kptr.c | 2 +- tools/testing/selftests/bpf/verifier/precise.c | 28 +- tools/testing/selftests/bpf/veristat.c | 16 +- tools/testing/selftests/bpf/vmtest.sh | 107 +- tools/testing/selftests/bpf/xskxceiver.c | 1 + 249 files changed, 11430 insertions(+), 3048 deletions(-) create mode 100644 fs/bpf_fs_kfuncs.c create mode 100644 kernel/bpf/btf_iter.c create mode 100644 kernel/bpf/btf_relocate.c create mode 100644 kernel/bpf/relo_core.c delete mode 100644 samples/bpf/tracex2.bpf.c delete mode 100644 samples/bpf/tracex2_user.c create mode 100644 tools/testing/selftests/bpf/DENYLIST.riscv64 create mode 100644 tools/testing/selftests/bpf/config.riscv64 create mode 100644 tools/testing/selftests/bpf/disasm_helpers.c create mode 100644 tools/testing/selftests/bpf/disasm_helpers.h delete mode 100644 tools/testing/selftests/bpf/get_cgroup_id_user.c create mode 100644 tools/testing/selftests/bpf/jit_disasm_helpers.c create mode 100644 tools/testing/selftests/bpf/jit_disasm_helpers.h create mode 100644 tools/testing/selftests/bpf/prog_tests/build_id.c create mode 100644 tools/testing/selftests/bpf/prog_tests/cgroup_ancestor.c create mode 100644 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