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Message-Id: <20231219000520.34178-1-alexei.starovoitov@gmail.com>
Date: Mon, 18 Dec 2023 16:05:20 -0800
From: Alexei Starovoitov <alexei.starovoitov@...il.com>
To: kuba@...nel.org
Cc: davem@...emloft.net,
edumazet@...gle.com,
pabeni@...hat.com,
daniel@...earbox.net,
andrii@...nel.org,
torvalds@...uxfoundation.org,
peterz@...radead.org,
brauner@...nel.org,
netdev@...r.kernel.org,
bpf@...r.kernel.org,
kernel-team@...com
Subject: pull-request: bpf-next 2023-12-18
Hi David, hi Jakub, hi Paolo, hi Eric,
The following pull-request contains BPF updates for your *net-next* tree.
This PR is larger than usual and contains changes in various parts of the kernel.
The main changes are:
1) Fix kCFI bugs in BPF, from Peter Zijlstra.
End result: all forms of indirect calls from BPF into kernel and from kernel into BPF
work with CFI enabled. This allows BPF to work with CONFIG_FINEIBT=y.
2) Introduce BPF token object, from Andrii Nakryiko.
It adds an ability to delegate a subset of BPF features from privileged daemon
(e.g., systemd) through special mount options for userns-bound BPF FS to a
trusted unprivileged application. The design accommodates suggestions from
Christian Brauner and Paul Moore.
Example:
$ sudo mkdir -p /sys/fs/bpf/token
$ sudo mount -t bpf bpffs /sys/fs/bpf/token \
-o delegate_cmds=prog_load:MAP_CREATE \
-o delegate_progs=kprobe \
-o delegate_attachs=xdp
3) Various verifier improvements and fixes, from Andrii Nakryiko, Andrei Matei.
- Complete precision tracking support for register spills
- Fix verification of possibly-zero-sized stack accesses
- Fix access to uninit stack slots
- Track aligned STACK_ZERO cases as imprecise spilled registers.
It improves the verifier "instructions processed" metric from single digit
to 50-60% for some programs.
- Fix verifier retval logic
4) Support for VLAN tag in XDP hints, from Larysa Zaremba.
5) Allocate BPF trampoline via bpf_prog_pack mechanism, from Song Liu.
End result: better memory utilization and lower I$ miss for calls to BPF
via BPF trampoline.
6) Fix race between BPF prog accessing inner map and parallel delete, from Hou Tao.
7) Add bpf_xdp_get_xfrm_state() kfunc, from Daniel Xu.
It allows BPF interact with IPSEC infra. The intent is to support software RSS
(via XDP) for the upcoming ipsec pcpu work. Experiments on AWS demonstrate
single tunnel pcpu ipsec reaching line rate on 100G ENA nics.
8) Expand bpf_cgrp_storage to support cgroup1 non-attach, from Yafang Shao.
9) BPF file verification via fsverity, from Song Liu.
It allows BPF progs get fsverity digest.
Please consider pulling these changes from:
git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git tags/for-netdev
Thanks a lot!
Also thanks to reporters, reviewers and testers of commits in this pull-request:
Abaci Robot, Alan Maguire, Andrii Nakryiko, Björn Töpel, Christian
Brauner, Daniel Borkmann, Eduard Zingerman, Eric Biggers, Hao Sun, Ilya
Leoshkevich, Jesper Dangaard Brouer, Jiri Olsa, John Fastabend, KP
Singh, Maciej Fijalkowski, Magnus Karlsson, Maxim Mikityanskiy, Mike
Frysinger, Minh Le Hoang, Paul Moore, Peter Zijlstra, Sami Tolvanen,
Shung-Hsi Yu, Song Liu, Stanislav Fomichev, Steffen Klassert, Tao Lyu,
Tariq Toukan, Tejun Heo, Xingwei Lee, Yafang Shao, Yonghong Song
----------------------------------------------------------------
The following changes since commit 15bc81212f593fbd7bda787598418b931842dc14:
octeon_ep: set backpressure watermark for RX queues (2023-12-01 12:14:32 +0000)
are available in the Git repository at:
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git tags/for-netdev
for you to fetch changes up to 8e432e6197cef6250dfd6fdffd41c06613c874ca:
bpf: Ensure precise is reset to false in __mark_reg_const_zero() (2023-12-18 23:54:21 +0100)
----------------------------------------------------------------
netdev
----------------------------------------------------------------
Aleksander Lobakin (1):
net, xdp: Allow metadata > 32
Alexei Starovoitov (17):
Merge branch 'bpf-file-verification-with-lsm-and-fsverity'
Merge branch 'bpf-verifier-retval-logic-fixes'
Merge branch 'bpf-fix-the-release-of-inner-map'
Merge branch 'complete-bpf-verifier-precision-tracking-support-for-register-spills'
Merge branch 'bpf-token-and-bpf-fs-based-delegation'
Merge branch 'allocate-bpf-trampoline-on-bpf_prog_pack'
Merge branch 'bpf-fixes-for-maybe_wait_bpf_programs'
Merge branch 'add-new-bpf_cpumask_weight-kfunc'
Merge branch 'bpf-token-support-in-libbpf-s-bpf-object'
Merge branch 'xdp-metadata-via-kfuncs-for-ice-vlan-hint'
Merge branch 'bpf-use-gfp_kernel-in-bpf_event_entry_gen'
Merge branch 'add-bpf_xdp_get_xfrm_state-kfunc'
Merge branch 'bpf-fs-mount-options-parsing-follow-ups'
x86/cfi,bpf: Fix bpf_exception_cb() signature
Merge branch 'x86-cfi-bpf-fix-cfi-vs-ebpf'
selftests/bpf: Temporarily disable dummy_struct_ops test on s390
s390/bpf: Fix indirect trampoline generation
Andrei Matei (8):
bpf: Minor logging improvement
bpf: Fix verification of indirect var-off stack access
bpf: Add verifier regression test for previous patch
bpf: Guard stack limits against 32bit overflow
bpf: Add some comments to stack representation
bpf: Fix accesses to uninit stack slots
bpf: Minor cleanup around stack bounds
bpf: Comment on check_mem_size_reg
Andrii Nakryiko (63):
bpf: rearrange bpf_func_state fields to save a bit of memory
bpf: provide correct register name for exception callback retval check
bpf: enforce precision of R0 on callback return
bpf: enforce exact retval range on subprog/callback exit
selftests/bpf: add selftest validating callback result is enforced
bpf: enforce precise retval range on program exit
bpf: unify async callback and program retval checks
bpf: enforce precision of R0 on program/async callback return
selftests/bpf: validate async callback return value check correctness
selftests/bpf: adjust global_func15 test to validate prog exit precision
bpf: simplify tnum output if a fully known constant
bpf: support non-r10 register spill/fill to/from stack in precision tracking
selftests/bpf: add stack access precision test
bpf: fix check for attempt to corrupt spilled pointer
bpf: preserve STACK_ZERO slots on partial reg spills
selftests/bpf: validate STACK_ZERO is preserved on subreg spill
bpf: preserve constant zero when doing partial register restore
selftests/bpf: validate zero preservation for sub-slot loads
bpf: track aligned STACK_ZERO cases as imprecise spilled registers
selftests/bpf: validate precision logic in partial_stack_load_preserves_zeros
bpf: align CAP_NET_ADMIN checks with bpf_capable() approach
bpf: add BPF token delegation mount options to BPF FS
bpf: introduce BPF token object
bpf: add BPF token support to BPF_MAP_CREATE command
bpf: add BPF token support to BPF_BTF_LOAD command
bpf: add BPF token support to BPF_PROG_LOAD command
bpf: take into account BPF token when fetching helper protos
bpf: consistently use BPF token throughout BPF verifier logic
bpf,lsm: refactor bpf_prog_alloc/bpf_prog_free LSM hooks
bpf,lsm: refactor bpf_map_alloc/bpf_map_free LSM hooks
bpf,lsm: add BPF token LSM hooks
libbpf: add bpf_token_create() API
libbpf: add BPF token support to bpf_map_create() API
libbpf: add BPF token support to bpf_btf_load() API
libbpf: add BPF token support to bpf_prog_load() API
selftests/bpf: add BPF token-enabled tests
bpf,selinux: allocate bpf_security_struct per BPF token
bpf: rename MAX_BPF_LINK_TYPE into __MAX_BPF_LINK_TYPE for consistency
Merge branch 'bpf-fix-verification-of-indirect-var-off-stack-access'
Merge branch 'bpf-fix-accesses-to-uninit-stack-slots'
selftests/bpf: fix timer/test_bad_ret subtest on test_progs-cpuv4 flavor
bpf: handle fake register spill to stack with BPF_ST_MEM instruction
selftests/bpf: validate fake register spill/fill precision backtracking logic
selftests/bpf: validate eliminated global subprog is not freplaceable
bpf: log PTR_TO_MEM memory size in verifier log
bpf: emit more dynptr information in verifier log
bpf: tidy up exception callback management a bit
bpf: use bitfields for simple per-subprog bool flags
selftests/bpf: fix compiler warnings in RELEASE=1 mode
bpf: fail BPF_TOKEN_CREATE if no delegation option was set on BPF FS
libbpf: split feature detectors definitions from cached results
libbpf: further decouple feature checking logic from bpf_object
libbpf: move feature detection code into its own file
libbpf: wire up token_fd into feature probing logic
libbpf: wire up BPF token support at BPF object level
selftests/bpf: add BPF object loading tests with explicit token passing
selftests/bpf: add tests for BPF object load with implicit token
libbpf: support BPF token path setting through LIBBPF_BPF_TOKEN_PATH envvar
selftests/bpf: add tests for LIBBPF_BPF_TOKEN_PATH envvar
bpf: support symbolic BPF FS delegation mount options
selftests/bpf: utilize string values for delegate_xxx mount options
Merge branch 'bpf-add-check-for-negative-uprobe-multi-offset'
bpf: Ensure precise is reset to false in __mark_reg_const_zero()
Colin Ian King (1):
selftests/bpf: Fix spelling mistake "get_signaure_size" -> "get_signature_size"
Daniel Xu (9):
libbpf: Add BPF_CORE_WRITE_BITFIELD() macro
bpf: selftests: test_loader: Support __btf_path() annotation
bpf: selftests: Add verifier tests for CO-RE bitfield writes
bpf: xfrm: Add bpf_xdp_get_xfrm_state() kfunc
bpf: selftests: test_tunnel: Setup fresh topology for each subtest
bpf: selftests: test_tunnel: Use vmlinux.h declarations
bpf: selftests: Move xfrm tunnel test to test_progs
bpf: xfrm: Add selftest for bpf_xdp_get_xfrm_state()
bpf: xdp: Register generic_kfunc_set with XDP programs
Dave Marchevsky (1):
selftests/bpf: Test bpf_kptr_xchg stashing of bpf_rb_root
David Vernet (3):
bpf: Load vmlinux btf for any struct_ops map
bpf: Add bpf_cpumask_weight() kfunc
selftests/bpf: Add test for bpf_cpumask_weight() kfunc
Hou Tao (21):
bpf: Check rcu_read_lock_trace_held() before calling bpf map helpers
bpf: Add map and need_defer parameters to .map_fd_put_ptr()
bpf: Set need_defer as false when clearing fd array during map free
bpf: Defer the free of inner map when necessary
bpf: Optimize the free of inner map
selftests/bpf: Add test cases for inner map
selftests/bpf: Test outer map update operations in syscall program
bpf: Remove unnecessary wait from bpf_map_copy_value()
bpf: Call maybe_wait_bpf_programs() only once for generic_map_update_batch()
bpf: Add missed maybe_wait_bpf_programs() for htab of maps
bpf: Only call maybe_wait_bpf_programs() when map operation succeeds
bpf: Set uattr->batch.count as zero before batched update or deletion
bpf: Update the comments in maybe_wait_bpf_programs()
bpf: Reduce the scope of rcu_read_lock when updating fd map
bpf: Use GFP_KERNEL in bpf_event_entry_gen()
bpf: Limit the number of uprobes when attaching program to multiple uprobes
bpf: Limit the number of kprobes when attaching program to multiple kprobes
selftests/bpf: Add test for abnormal cnt during multi-uprobe attachment
selftests/bpf: Don't use libbpf_get_error() in kprobe_multi_test
selftests/bpf: Add test for abnormal cnt during multi-kprobe attachment
selftests/bpf: Test the release of map btf
Jeroen van Ingen Schenau (1):
selftests/bpf: Fix erroneous bitmask operation
Jie Jiang (1):
bpf: Support uid and gid when mounting bpffs
Jiri Olsa (2):
bpf: Fail uprobe multi link with negative offset
selftests/bpf: Add more uprobe multi fail tests
Larysa Zaremba (18):
selftests/bpf: Increase invalid metadata size
ice: make RX hash reading code more reusable
ice: make RX HW timestamp reading code more reusable
ice: Make ptype internal to descriptor info processing
ice: Introduce ice_xdp_buff
ice: Support HW timestamp hint
ice: Support RX hash XDP hint
ice: Support XDP hints in AF_XDP ZC mode
xdp: Add VLAN tag hint
ice: Implement VLAN tag hint
ice: use VLAN proto from ring packet context in skb path
veth: Implement VLAN tag XDP hint
net: make vlan_get_tag() return -ENODATA instead of -EINVAL
mlx5: implement VLAN tag XDP hint
selftests/bpf: Allow VLAN packets in xdp_hw_metadata
selftests/bpf: Add flags and VLAN hint to xdp_hw_metadata
selftests/bpf: Add AF_INET packet generation to xdp_metadata
selftests/bpf: Check VLAN tag and proto in xdp_metadata
Maciej Fijalkowski (1):
xsk: add functions to fill control buffer
Manu Bretelle (1):
selftests/bpf: Fixes tests for filesystem kfuncs
Martin KaFai Lau (1):
Merge branch 'bpf: Expand bpf_cgrp_storage to support cgroup1 non-attach case'
Matt Bobrowski (1):
bpf: add small subset of SECURITY_PATH hooks to BPF sleepable_lsm_hooks list
Peter Zijlstra (6):
cfi: Flip headers
x86/cfi,bpf: Fix BPF JIT call
x86/cfi,bpf: Fix bpf_callback_t CFI
x86/cfi,bpf: Fix bpf_struct_ops CFI
cfi: Add CFI_NOSEAL()
bpf: Fix dtor CFI
Randy Dunlap (1):
net, xdp: Correct grammar
Sergei Trofimovich (1):
libbpf: Add pr_warn() for EINVAL cases in linker_sanity_check_elf
Song Liu (13):
bpf: Add kfunc bpf_get_file_xattr
bpf, fsverity: Add kfunc bpf_get_fsverity_digest
Documentation/bpf: Add documentation for filesystem kfuncs
selftests/bpf: Sort config in alphabetic order
selftests/bpf: Add tests for filesystem kfuncs
selftests/bpf: Add test that uses fsverity and xattr to sign a file
bpf: Let bpf_prog_pack_free handle any pointer
bpf: Adjust argument names of arch_prepare_bpf_trampoline()
bpf: Add helpers for trampoline image management
bpf, x86: Adjust arch_prepare_bpf_trampoline return value
bpf: Add arch_bpf_trampoline_size()
bpf: Use arch_bpf_trampoline_size
x86, bpf: Use bpf_prog_pack for bpf trampoline
Stanislav Fomichev (2):
xsk: Add missing SPDX to AF_XDP TX metadata documentation
selftests/bpf: Make sure we trigger metadata kfuncs for dst 8080
Tiezhu Yang (1):
test_bpf: Rename second ALU64_SMOD_X to ALU64_SMOD_K
Tushar Vyavahare (1):
selftests/xsk: Fix for SEND_RECEIVE_UNALIGNED test
Yafang Shao (3):
bpf: Enable bpf_cgrp_storage for cgroup1 non-attach case
selftests/bpf: Add a new cgroup helper open_classid()
selftests/bpf: Add selftests for cgroup1 local storage
Yang Li (1):
bpf: Remove unused backtrack_state helper functions
YiFei Zhu (1):
selftests/bpf: Relax time_tai test for equal timestamps in tai_forward
Yonghong Song (2):
bpf: Fix a race condition between btf_put() and map_free()
selftests/bpf: Remove flaky test_btf_id test
Documentation/bpf/cpumasks.rst | 2 +-
Documentation/bpf/fs_kfuncs.rst | 21 +
Documentation/bpf/index.rst | 1 +
Documentation/netlink/specs/netdev.yaml | 4 +
Documentation/networking/xdp-rx-metadata.rst | 8 +-
Documentation/networking/xsk-tx-metadata.rst | 2 +
arch/arm64/net/bpf_jit_comp.c | 55 +-
arch/riscv/include/asm/cfi.h | 3 +-
arch/riscv/kernel/cfi.c | 2 +-
arch/riscv/net/bpf_jit_comp64.c | 25 +-
arch/s390/net/bpf_jit_comp.c | 59 +-
arch/x86/include/asm/cfi.h | 126 ++-
arch/x86/kernel/alternative.c | 87 +-
arch/x86/kernel/cfi.c | 4 +-
arch/x86/net/bpf_jit_comp.c | 264 ++++-
drivers/media/rc/bpf-lirc.c | 2 +-
drivers/net/ethernet/intel/ice/ice.h | 2 +
drivers/net/ethernet/intel/ice/ice_base.c | 15 +
drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h | 412 ++++----
drivers/net/ethernet/intel/ice/ice_main.c | 21 +
drivers/net/ethernet/intel/ice/ice_ptp.c | 22 +-
drivers/net/ethernet/intel/ice/ice_ptp.h | 16 +-
drivers/net/ethernet/intel/ice/ice_txrx.c | 19 +-
drivers/net/ethernet/intel/ice/ice_txrx.h | 32 +-
drivers/net/ethernet/intel/ice/ice_txrx_lib.c | 207 +++-
drivers/net/ethernet/intel/ice/ice_txrx_lib.h | 18 +-
drivers/net/ethernet/intel/ice/ice_xsk.c | 17 +-
drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c | 15 +
drivers/net/veth.c | 19 +
fs/verity/fsverity_private.h | 10 +
fs/verity/init.c | 1 +
fs/verity/measure.c | 84 ++
include/asm-generic/Kbuild | 1 +
include/asm-generic/cfi.h | 5 +
include/linux/bpf.h | 143 ++-
include/linux/bpf_verifier.h | 66 +-
include/linux/cfi.h | 12 +
include/linux/filter.h | 4 +-
include/linux/if_vlan.h | 4 +-
include/linux/lsm_hook_defs.h | 15 +-
include/linux/mlx5/device.h | 2 +-
include/linux/security.h | 43 +-
include/linux/skbuff.h | 13 +-
include/net/xdp.h | 20 +-
include/net/xdp_sock_drv.h | 17 +
include/net/xfrm.h | 9 +
include/net/xsk_buff_pool.h | 2 +
include/uapi/linux/bpf.h | 46 +-
include/uapi/linux/netdev.h | 3 +
kernel/bpf/Makefile | 2 +-
kernel/bpf/arraymap.c | 37 +-
kernel/bpf/bpf_cgrp_storage.c | 6 +-
kernel/bpf/bpf_lsm.c | 27 +-
kernel/bpf/bpf_struct_ops.c | 35 +-
kernel/bpf/btf.c | 11 +-
kernel/bpf/cgroup.c | 6 +-
kernel/bpf/core.c | 53 +-
kernel/bpf/cpumask.c | 20 +-
kernel/bpf/dispatcher.c | 7 +-
kernel/bpf/hashtab.c | 12 +-
kernel/bpf/helpers.c | 38 +-
kernel/bpf/inode.c | 326 ++++++-
kernel/bpf/log.c | 42 +-
kernel/bpf/map_in_map.c | 17 +-
kernel/bpf/map_in_map.h | 2 +-
kernel/bpf/syscall.c | 294 ++++--
kernel/bpf/tnum.c | 6 -
kernel/bpf/token.c | 271 +++++
kernel/bpf/trampoline.c | 101 +-
kernel/bpf/verifier.c | 558 ++++++-----
kernel/trace/bpf_trace.c | 84 +-
lib/test_bpf.c | 2 +-
net/bpf/bpf_dummy_struct_ops.c | 38 +-
net/bpf/test_run.c | 15 +-
net/core/filter.c | 36 +-
net/core/xdp.c | 33 +
net/ipv4/bpf_tcp_ca.c | 71 +-
net/netfilter/nf_bpf_link.c | 2 +-
net/xdp/xsk_buff_pool.c | 12 +
net/xfrm/Makefile | 1 +
net/xfrm/xfrm_policy.c | 2 +
net/xfrm/xfrm_state_bpf.c | 134 +++
security/security.c | 101 +-
security/selinux/hooks.c | 47 +-
tools/include/uapi/linux/bpf.h | 46 +-
tools/include/uapi/linux/netdev.h | 3 +
tools/lib/bpf/Build | 2 +-
tools/lib/bpf/bpf.c | 37 +-
tools/lib/bpf/bpf.h | 35 +-
tools/lib/bpf/bpf_core_read.h | 32 +
tools/lib/bpf/btf.c | 7 +-
tools/lib/bpf/elf.c | 2 -
tools/lib/bpf/features.c | 478 +++++++++
tools/lib/bpf/libbpf.c | 584 +++--------
tools/lib/bpf/libbpf.h | 37 +-
tools/lib/bpf/libbpf.map | 1 +
tools/lib/bpf/libbpf_internal.h | 36 +-
tools/lib/bpf/libbpf_probes.c | 8 +-
tools/lib/bpf/linker.c | 24 +-
tools/lib/bpf/str_error.h | 3 +
tools/net/ynl/generated/netdev-user.c | 1 +
tools/testing/selftests/bpf/bpf_kfuncs.h | 10 +
tools/testing/selftests/bpf/cgroup_helpers.c | 16 +
tools/testing/selftests/bpf/cgroup_helpers.h | 1 +
tools/testing/selftests/bpf/config | 3 +-
tools/testing/selftests/bpf/prog_tests/btf.c | 5 -
.../selftests/bpf/prog_tests/cgrp_local_storage.c | 98 +-
tools/testing/selftests/bpf/prog_tests/cpumask.c | 1 +
tools/testing/selftests/bpf/prog_tests/fs_kfuncs.c | 142 +++
.../bpf/prog_tests/global_func_dead_code.c | 60 ++
.../selftests/bpf/prog_tests/kprobe_multi_test.c | 31 +-
.../selftests/bpf/prog_tests/libbpf_probes.c | 4 +
.../testing/selftests/bpf/prog_tests/libbpf_str.c | 8 +-
.../selftests/bpf/prog_tests/local_kptr_stash.c | 23 +
tools/testing/selftests/bpf/prog_tests/map_btf.c | 98 ++
.../testing/selftests/bpf/prog_tests/map_in_map.c | 141 +++
tools/testing/selftests/bpf/prog_tests/syscall.c | 30 +-
.../testing/selftests/bpf/prog_tests/test_tunnel.c | 162 ++-
tools/testing/selftests/bpf/prog_tests/time_tai.c | 2 +-
tools/testing/selftests/bpf/prog_tests/token.c | 1031 ++++++++++++++++++++
.../selftests/bpf/prog_tests/uprobe_multi_test.c | 175 +++-
tools/testing/selftests/bpf/prog_tests/verifier.c | 2 +
.../selftests/bpf/prog_tests/verify_pkcs7_sig.c | 165 +++-
.../bpf/prog_tests/xdp_context_test_run.c | 4 +-
.../selftests/bpf/prog_tests/xdp_metadata.c | 132 ++-
.../selftests/bpf/progs/access_map_in_map.c | 93 ++
tools/testing/selftests/bpf/progs/bpf_misc.h | 1 +
.../testing/selftests/bpf/progs/bpf_tracing_net.h | 1 +
.../selftests/bpf/progs/cgrp_ls_recursion.c | 84 +-
.../selftests/bpf/progs/cgrp_ls_sleepable.c | 61 +-
tools/testing/selftests/bpf/progs/cgrp_ls_tp_btf.c | 82 +-
tools/testing/selftests/bpf/progs/cpumask_common.h | 1 +
.../testing/selftests/bpf/progs/cpumask_success.c | 43 +
.../selftests/bpf/progs/exceptions_assert.c | 2 +-
.../testing/selftests/bpf/progs/exceptions_fail.c | 2 +-
.../bpf/progs/freplace_dead_global_func.c | 11 +
tools/testing/selftests/bpf/progs/iters.c | 2 +-
.../testing/selftests/bpf/progs/local_kptr_stash.c | 53 +
tools/testing/selftests/bpf/progs/map_in_map_btf.c | 73 ++
tools/testing/selftests/bpf/progs/normal_map_btf.c | 56 ++
tools/testing/selftests/bpf/progs/priv_map.c | 13 +
tools/testing/selftests/bpf/progs/priv_prog.c | 13 +
tools/testing/selftests/bpf/progs/syscall.c | 96 +-
tools/testing/selftests/bpf/progs/test_fsverity.c | 48 +
tools/testing/selftests/bpf/progs/test_get_xattr.c | 37 +
.../selftests/bpf/progs/test_global_func15.c | 34 +-
.../selftests/bpf/progs/test_global_func16.c | 2 +-
.../selftests/bpf/progs/test_sig_in_xattr.c | 83 ++
.../testing/selftests/bpf/progs/test_tunnel_kern.c | 138 +--
.../selftests/bpf/progs/test_verify_pkcs7_sig.c | 8 +-
tools/testing/selftests/bpf/progs/timer_failure.c | 37 +-
.../selftests/bpf/progs/user_ringbuf_fail.c | 2 +-
.../selftests/bpf/progs/verifier_basic_stack.c | 8 +-
.../selftests/bpf/progs/verifier_bitfield_write.c | 100 ++
.../bpf/progs/verifier_cgroup_inv_retcode.c | 8 +-
.../bpf/progs/verifier_direct_packet_access.c | 2 +-
.../selftests/bpf/progs/verifier_global_subprogs.c | 15 +-
.../testing/selftests/bpf/progs/verifier_int_ptr.c | 7 +-
.../bpf/progs/verifier_netfilter_retcode.c | 2 +-
.../selftests/bpf/progs/verifier_raw_stack.c | 5 +-
.../selftests/bpf/progs/verifier_spill_fill.c | 287 ++++++
.../selftests/bpf/progs/verifier_stack_ptr.c | 4 +-
.../bpf/progs/verifier_subprog_precision.c | 137 ++-
.../testing/selftests/bpf/progs/verifier_var_off.c | 91 +-
.../testing/selftests/bpf/progs/xdp_hw_metadata.c | 38 +-
tools/testing/selftests/bpf/progs/xdp_metadata.c | 36 +-
.../selftests/bpf/progs/xdp_synproxy_kern.c | 4 +-
tools/testing/selftests/bpf/test_loader.c | 7 +
tools/testing/selftests/bpf/test_tunnel.sh | 92 --
tools/testing/selftests/bpf/testing_helpers.h | 3 +
.../selftests/bpf/verifier/atomic_cmpxchg.c | 11 -
tools/testing/selftests/bpf/verifier/calls.c | 4 +-
tools/testing/selftests/bpf/verifier/precise.c | 38 +-
tools/testing/selftests/bpf/verify_sig_setup.sh | 25 +
tools/testing/selftests/bpf/veristat.c | 2 +-
tools/testing/selftests/bpf/xdp_hw_metadata.c | 36 +-
tools/testing/selftests/bpf/xdp_metadata.h | 34 +-
tools/testing/selftests/bpf/xskxceiver.c | 25 +-
178 files changed, 8408 insertions(+), 1798 deletions(-)
create mode 100644 Documentation/bpf/fs_kfuncs.rst
create mode 100644 include/asm-generic/cfi.h
create mode 100644 kernel/bpf/token.c
create mode 100644 net/xfrm/xfrm_state_bpf.c
create mode 100644 tools/lib/bpf/features.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/fs_kfuncs.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/global_func_dead_code.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/map_btf.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/map_in_map.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/token.c
create mode 100644 tools/testing/selftests/bpf/progs/access_map_in_map.c
create mode 100644 tools/testing/selftests/bpf/progs/freplace_dead_global_func.c
create mode 100644 tools/testing/selftests/bpf/progs/map_in_map_btf.c
create mode 100644 tools/testing/selftests/bpf/progs/normal_map_btf.c
create mode 100644 tools/testing/selftests/bpf/progs/priv_map.c
create mode 100644 tools/testing/selftests/bpf/progs/priv_prog.c
create mode 100644 tools/testing/selftests/bpf/progs/test_fsverity.c
create mode 100644 tools/testing/selftests/bpf/progs/test_get_xattr.c
create mode 100644 tools/testing/selftests/bpf/progs/test_sig_in_xattr.c
create mode 100644 tools/testing/selftests/bpf/progs/verifier_bitfield_write.c
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