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Message-Id: <20240914155810.15758-1-alexei.starovoitov@gmail.com>
Date: Sat, 14 Sep 2024 08:58:10 -0700
From: Alexei Starovoitov <alexei.starovoitov@...il.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: bpf@...r.kernel.org,
netdev@...r.kernel.org,
daniel@...earbox.net,
andrii@...nel.org,
martin.lau@...nel.org
Subject: [GIT PULL] BPF changes for v6.12
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 <ast@...nel.org>
----------------------------------------------------------------
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_<type> 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 <sys/fcntl.h>
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 +-
kernel/trace/trace_syscalls.c | 12 +-
lib/Kconfig.debug | 8 +-
lib/buildid.c | 397 ++++--
net/bpf/bpf_dummy_struct_ops.c | 2 +-
net/core/filter.c | 75 +-
net/ipv4/bpf_tcp_ca.c | 26 -
net/xdp/xsk.c | 23 +-
samples/bpf/Makefile | 9 +-
samples/bpf/tracex2.bpf.c | 99 --
samples/bpf/tracex2_user.c | 187 ---
samples/bpf/tracex4.bpf.c | 4 +-
scripts/link-vmlinux.sh | 14 +-
security/bpf/hooks.c | 1 -
tools/bpf/bpftool/Documentation/bpftool-gen.rst | 4 +-
tools/bpf/bpftool/Documentation/bpftool-net.rst | 24 +-
tools/bpf/bpftool/bash-completion/bpftool | 2 +-
tools/bpf/bpftool/btf.c | 87 +-
tools/bpf/bpftool/feature.c | 10 +-
tools/bpf/bpftool/net.c | 80 +-
tools/bpf/bpftool/xlated_dumper.c | 4 +-
tools/bpf/runqslower/Makefile | 3 +-
tools/include/uapi/linux/bpf.h | 9 +
tools/lib/bpf/bpf.h | 4 +-
tools/lib/bpf/bpf_helpers.h | 2 +-
tools/lib/bpf/bpf_tracing.h | 25 +-
tools/lib/bpf/btf.c | 8 +-
tools/lib/bpf/btf.h | 2 +-
tools/lib/bpf/btf_dump.c | 2 +-
tools/lib/bpf/btf_relocate.c | 2 +-
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 tools/testing/selftests/bpf/prog_tests/cgroup_dev.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/cgroup_get_current_cgroup_id.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/cgroup_storage.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/core_reloc_raw.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/pro_epilogue.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/test_mmap_inner_array.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/test_xdp_veth.c
create mode 100644 tools/testing/selftests/bpf/progs/cgroup_ancestor.c
create mode 100644 tools/testing/selftests/bpf/progs/cgroup_storage.c
create mode 100644 tools/testing/selftests/bpf/progs/epilogue_exit.c
create mode 100644 tools/testing/selftests/bpf/progs/epilogue_tailcall.c
create mode 100644 tools/testing/selftests/bpf/progs/iters_testmod.c
create mode 100644 tools/testing/selftests/bpf/progs/lsm_tailcall.c
create mode 100644 tools/testing/selftests/bpf/progs/mmap_inner_array.c
create mode 100644 tools/testing/selftests/bpf/progs/nested_acquire.c
create mode 100644 tools/testing/selftests/bpf/progs/pro_epilogue.c
create mode 100644 tools/testing/selftests/bpf/progs/pro_epilogue_goto_start.c
create mode 100644 tools/testing/selftests/bpf/progs/tailcall_bpf2bpf_hierarchy1.c
create mode 100644 tools/testing/selftests/bpf/progs/tailcall_bpf2bpf_hierarchy2.c
create mode 100644 tools/testing/selftests/bpf/progs/tailcall_bpf2bpf_hierarchy3.c
create mode 100644 tools/testing/selftests/bpf/progs/tailcall_bpf2bpf_hierarchy_fentry.c
create mode 100644 tools/testing/selftests/bpf/progs/tailcall_freplace.c
create mode 100644 tools/testing/selftests/bpf/progs/tc_bpf2bpf.c
create mode 100644 tools/testing/selftests/bpf/progs/tc_dummy.c
create mode 100644 tools/testing/selftests/bpf/progs/test_build_id.c
delete mode 100644 tools/testing/selftests/bpf/progs/test_skb_cgroup_id_kern.c
create mode 100644 tools/testing/selftests/bpf/progs/unsupported_ops.c
create mode 100644 tools/testing/selftests/bpf/progs/uprobe_multi_consumers.c
create mode 100644 tools/testing/selftests/bpf/progs/uprobe_multi_pid_filter.c
create mode 100644 tools/testing/selftests/bpf/progs/verifier_bpf_fastcall.c
create mode 100644 tools/testing/selftests/bpf/progs/verifier_const.c
create mode 100644 tools/testing/selftests/bpf/progs/verifier_jit_convergence.c
create mode 100644 tools/testing/selftests/bpf/progs/verifier_lsm.c
create mode 100644 tools/testing/selftests/bpf/progs/verifier_tailcall_jit.c
create mode 100644 tools/testing/selftests/bpf/progs/verifier_vfs_accept.c
create mode 100644 tools/testing/selftests/bpf/progs/verifier_vfs_reject.c
delete mode 100644 tools/testing/selftests/bpf/test_cgroup_storage.c
delete mode 100644 tools/testing/selftests/bpf/test_dev_cgroup.c
delete mode 100755 tools/testing/selftests/bpf/test_skb_cgroup_id.sh
delete mode 100644 tools/testing/selftests/bpf/test_skb_cgroup_id_user.c
delete mode 100755 tools/testing/selftests/bpf/test_xdp_veth.sh
create mode 100644 tools/testing/selftests/bpf/uprobe_multi.ld
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