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File libbpf.changes of Package libbpf
------------------------------------------------------------------- Thu Jan 5 07:02:19 UTC 2023 - Shung-Hsi Yu <shung-hsi.yu@suse.com> - Remove requirement of linux-glibc-devel >= 5.16 for devel package ------------------------------------------------------------------- Thu Dec 22 07:08:39 UTC 2022 - Dirk Müller <dmueller@suse.com> - update to v1.1.0: User space-side features and APIs: * user-space ring buffer (BPF_MAP_TYPE_USER_RINGBUF) support; * new documentation page listing all recognized SEC() definitions; * BTF dedup improvements: * unambiguous fwd declaration resolution for structs and unions; * better handling of some corner cases with identical structs and arrays; * mixed enum and enum64 forward declaration resolution logic; * bpf_{link,btf,pro,mapg}_get_fd_by_id_opts() and bpf_get_fd_by_id_opts() APIs; * libbpf supports loading raw BTF for BPF CO-RE from known search paths; * support for new cgroup local storage (BPF_MAP_TYPE_CGRP_STORAGE); * libbpf will only add BPF_F_MMAPABLE flag for data maps with global (i.e., non-static) vars; * latest Linux UAPI headers with lots of changes synced into include/uapi/linux. BPF-side features and APIs; * BPF_PROG2() macro added that supports struct-by-value arguments; * new BPF helpers: * bpf_user_ringbuf_drain(); * cgrp_storage_get() and cgrp_storage_delete(). Bug fixes * better handling of padding corner cases; * btf__align_of() determines packed structs better now; * improved handling of enums of non-standard sizes; * USDT spec parsing improvements; * overflow handling fixes for ringbufs; * Makefile fixes to support cross-compilation for 32-bit targets; * fix crash if SEC("freplace") programs don't have attach_prog_fd set; * better handling of file existence checks when running as non-root with enhanced capabilities; * a bunch of small fixes: * ELF handling improvements; * fix memory leak in USDT argument parsing logic; * fix NULL dereferences in few corner cases; * improved netlink attribute iteration handling. - drop libbpf-Use-elf_getshdrnum-instead-of-e_shnum.patch, libbpf-Fix-use-after-free-in-btf_dump_name_dups.patch, libbpf-Fix-memory-leak-in-parse_usdt_arg.patch libbpf-Fix-null-pointer-dereference-in-find_prog_by_.patch (upstream) ------------------------------------------------------------------- Tue Nov 8 06:03:55 UTC 2022 - Shung-Hsi Yu <shung-hsi.yu@suse.com> - Fix out-of-bound heap write (boo#1194248 boo#1194249 CVE-2021-45940 CVE-2021-45941) + libbpf-Use-elf_getshdrnum-instead-of-e_shnum.patch - Fix use-after-free in btf_dump_name_dups (boo#1204391 CVE-2022-3534) + libbpf-Fix-use-after-free-in-btf_dump_name_dups.patch - Fix memory leak in parse_usdt_arg() (boo#1204393 CVE-2022-3533) + libbpf-Fix-memory-leak-in-parse_usdt_arg.patch - Fix null pointer dereference in find_prog_by_sec_insn() (boo#1204502 CVE-2022-3606) + libbpf-Fix-null-pointer-dereference-in-find_prog_by_.patch ------------------------------------------------------------------- Tue Oct 4 17:22:08 UTC 2022 - Dirk Müller <dmueller@suse.com> - update to 1.0.1: * fix inadvertently changed struct bpf_object_open_opts memory layout; * fix btf.h header relying on struct enum64 type defined in kernel UAPI headers; * fix NULL pointer exception in API btf_dump__dump_type_data; * remove struct btf_map_def accidentally left in bpf_helpers.h header. * All deprecated APIs and features removed! * support for syscall-specific kprobe/kretprobe (SEC("ksyscall/<syscall_name>") and SEC("kretsyscall/<syscall_name>")); * support for sleepable uprobe BPF programs (SEC("uprobe.s")); * support for per-cgroup LSM BPF programs (SEC("lsm_cgroup")); * support for new BPF CO-RE relocation TYPE_MATCHES; * bpf_prog_load() and bpf_map_create() are now smarter about handling program and map name on old kernels (it will be ignored if kernel doesn't support names); * BTF_KIND_ENUM64 support; * increase tracing attachment (kprobe/uprobe/tracepoint) robustness by using tracefs or debugfs, whichever is mounted; * new APIs for converting BPF enums to their string representation: * libbpf_bpf_prog_type_str(); * libbpf_bpf_map_type_str(); * libbpf_bpf_link_type_str(); * libbpf_bpf_attach_type_str(); * bpf_program__set_autoattach() and bpf_program__autoattach() to allow opting out from auto-attaching of BPF program by BPF skeleton; * perf_buffer__buffer() API to give access to underlying per-CPU buffer for BPF ringbuf; * bpf_obj_get_opts() API for more flexible fetching of BPF kernel objects' information. - see https://github.com/libbpf/libbpf/releases/tag/v1.0.0 for detailed changelog ------------------------------------------------------------------- Wed Aug 3 13:55:13 UTC 2022 - Callum Farmer <gmbr3@opensuse.org> - Update to release 0.8.1: * make shared xsk creation network namespace aware ------------------------------------------------------------------- Thu May 19 03:00:36 UTC 2022 - Shung-Hsi Yu <shung-hsi.yu@suse.com> - Update to release 0.8.0 * New features and APIs: - support auto-resolution of binaries and shared libraries from PATH, if necessary; - support attaching by function names (only by IP was supported before); - support attaching to USDTs (SEC("usdt/...") and bpf_program__attach_usdt()) with initially supported architectures: x86-64 (amd64); x86 (i386); s390x; ARM64 (aarch64); RISC V (riscv); - improved BPF verifier log reporting for CO-RE relocation failures (no more obscure "invalid func unknown#195896080" errors); - auto-adjust BPF ringbuf size according to host kernel's page size requirements; - high-level BPF map APIs: bpf_map__lookup_elem(), bpf_map__update_elem(), etc that validate key/value buffer sizes; - bpf_link_create() can create all bpf_link-based (including raw_tp, fentry/fexit, etc), falling back to bpf_raw_tracepoint_open() on old kernels transparently; - support opting out from auto-loading BPF programs declaratively with SEC("?..."); - support opting out from auto-creation of declarative BPF maps with bpf_map__set_autocreate(); - support multi-kprobes (SEC("kprobe.multi/...") and bpf_program__attach_kprobe_multi_opts()); - support target-less SEC() programs (e.g., SEC("kprobe"), SEC("tp"), etc); - support BPF sub-skeletons for "incomplete" BPF object files (requires matching bpftool to generate .subskel.h); - BPF cookie support for fentry/fexit/fmod_ret BPF programs (bpf_program__attach_trace_opts()); - support for custom SEC() handlers (libbpf_register_prog_handler()). * BPF-side API - BPF-side USDT APIs. See new usdt.bpf.h header: * BPF_USDT() program wrapper macro; bpf_usdt_arg(), bpf_usdt_arg_cnt(), * bpf_usdt_cookie() helpers; - new bpf_core_field_offset() CO-RE helper and support bpf_core_field_size(type, field) forms; - barrier() and barrier_var() macros for improving BPF code generation; - __kptr and __kptr_ref tags added; - ARC architecture support in bpf_tracing.h header; - new BPF helpers: * bpf_skb_set_tstamp(); * bpf_ima_file_hash(); * bpf_kptr_xchg(); * bpf_map_lookup_percpu_elem(). * Bug fixes - netlink bug fixes; - libbpf.pc fixes to support patch releases properly; - BPF_MAP_TYPE_PERF_EVENT_ARRAY map auto-pinning fix; - minor CO-RE fixes and improvements for some corner cases; - various other small fixes and improvements. ------------------------------------------------------------------- Thu Mar 10 18:28:17 UTC 2022 - Jeff Mahoney <jeffm@suse.com> - Enable building and packaging of static library. Explicitly enable fat LTO objects. ------------------------------------------------------------------- Mon Mar 7 11:52:14 UTC 2022 - Jan Engelhardt <jengelh@inai.de> - Python is not used during build; remove it and help break a cycle. ------------------------------------------------------------------- Fri Mar 4 10:18:54 UTC 2022 - Jan Engelhardt <jengelh@inai.de> - Update to release 0.7.0 * legacy BPF map definitions (using struct bpf_map_def) are deprecated when LIBBPF_STRICT_MAP_DEFINITIONS is passed to libbpf_set_strict_mode(). Please use BTF-defined map definitions. * ability to control and capture BPF verifier log output on per-object and per-program level * CO-RE support and other improvements for "light skeleton" * improved compilation when system BTF UAPI headers are outdated ------------------------------------------------------------------- Sat Dec 11 10:37:27 UTC 2021 - Jan Engelhardt <jengelh@inai.de> - Update to release 0.6.1 * Introduce legacy kprobe events support * Add legacy uprobe attaching support * Support uniform BTF-defined key/value specification across all BPF maps * Support kernel module function calls * Support detecting and attaching of writable tracepoint program * Add bloom filter map implementation * Add typeless and weak ksym support to gen_loader * Add RISC-V (RV64) support to bpf_tracing.h * Deprecate AF_XDP support * Support BTF_KIND_TYPE_TAG ------------------------------------------------------------------- Mon Sep 27 11:02:49 UTC 2021 - Shung-Hsi Yu <shung-hsi.yu@suse.com> - Update to 0.5.0: + New features and user-space APIs: - libbpf_set_strict_mode() allowing to opt-in into backwards incompatible libbpf-1.0 changes. See "Libbpf: the road to 1.0" and "Libbpf 1.0 migration guide" for more details. - streamlined error reporting for low-level APIs, high-level error-returning APIs, and pointer-returning APIs (as a libbpf-1.0 opt-in); - "Light" BPF skeleton support; - BPF_PROG_TYPE_SYSCALL support; - BPF perf link support for kprobe, uprobe, tracepoint, and perf_event BPF programs; - BPF cookie support for kprobe, uprobe, tracepoint, and perf_event BPF programs through bpf_program__attach_[ku]probe_opts() APIs; - allow to specify ref_ctr_off for USDT semaphores through bpf_program__attach_uprobe_opts() API; - btf_custom_path support in bpf_object_open_opts, allowing to specify custom BTF for CO-RE relocations; - sk_reuseport/migrate program type support; - btf_dump__dump_type_data() API, allowing to dump binary data according to BTF type description; - btf__load_into_kernel() and btf__load_from_kernel_by_id(), and split BTF variants of them; - btf__load_vmlinux_btf() and btf__load_module_btf() APIs; - bpf_map__initial_value() API to get initial value of mmap-ed BPF maps; - bpf_map_lookup_and_delete_elem_flags() API. + BPF-side APIs and features: - support for weak typed __ksym externs; - BPF timer helpers: bpf_timer_init(), bpf_timer_set_callback(), bpf_timer_start(), bpf_timer_cancel(); - bpf_get_attach_cookie() helper to get BPF cookie from BPF program side; - bpf_get_func_ip() helper; - bpf_sys_bpf() helper; - bpf_task_pt_regs() helper; - bpf_btf_find_by_name_kind() helper; - usability improvements for bpf_tracing.h when target architecture is missing. + Bug fixes and compatibility improvements: - improve BPF support detection on old Red Hat kernels with backported BPF patches; - improvements for LTO builds with GCC 10+; - pass NLM_F_EXCL when creating TC qdisc; - better support of BPF map reuse on old kernels; - fix the bug resulting in sometimes closing FD 0, which wasn't created and owned by libbpf itself. - Remove patches merged upstream + libdir.patch + libbpf-Fix-build-with-latest-gcc-binutils-with-LTO.patch ------------------------------------------------------------------- Fri Aug 27 06:20:53 UTC 2021 - Michal Suchanek <msuchanek@suse.com> - Fix LTO build (bsc#1188749). + libbpf-Fix-build-with-latest-gcc-binutils-with-LTO.patch ------------------------------------------------------------------- Fri Aug 20 08:47:47 UTC 2021 - Michal Suchanek <msuchanek@suse.com> - Depend on new enough Linux headers. ------------------------------------------------------------------- Mon Aug 2 11:00:28 UTC 2021 - Callum Farmer <gmbr3@opensuse.org> - Create libbpf0-32bit needed by libdwarves1-32bit ------------------------------------------------------------------- Sat Jul 17 15:38:52 UTC 2021 - Michal Suchanek <msuchanek@suse.com> - libbpf is now a separate project, stop building from the kernel (bsc#1188419 jsc#SLE-17288 jsc#SLE-18805). - Fix LIBSUBDIR + libdir.patch ------------------------------------------------------------------- Mon Jun 8 23:52:39 UTC 2020 - Michał Rostecki <mrostecki@suse.com> - Add python3 as a build dependency. ------------------------------------------------------------------- Sun Feb 2 19:50:55 UTC 2020 - Michał Rostecki <mrostecki@opensuse.org> - Build libbpf from kernel sources, not from github sources, for consistency with bpftool package. ------------------------------------------------------------------- Tue Jan 7 14:36:44 UTC 2020 - Tomáš Chvátal <tchvatal@suse.com> - Reflect SUSE CFLAGS - Do not bother with obscpio if we are fetching direct releases - Remove patch 0001-makefile-Fix-install-target.patch seems to build/install without it just fine - Update to 0.0.6: + New features - new extensible bpf_object__open_{file,mem} APIs and DECLARE_LIBBPF_OPTS() macro to go with them - bpf_helpers.h, bpf_endian.h, and bpf_tracing.h are now distributed with libbpf - BPF CO-RE: added field size, field existence, and bitfield relocation support - BPF CO-RE: BPF_CORE_READ(), bpf_core_field_exists(), bpf_core_field_size() and other BPF CO-RE related helpers available through bpf_core_read.h header - bpf_object__open() API now auto-detects program type from its section name - BPF_PROG_TRACING programs support (incuding BTF-typed raw tracepoints, fentry/fexit programs) - mmap() support for BPF global variables - declarative map pinning support added - probe_read_{user,kernel}[_str]() BPF helpers added - bpf_get_link_xdp_info() function to get more XDP information added - a bunch of other AF_XDP changes + Usability improvements - no need for int version SEC('version') = 1; anymore - raw_tp/tp and uprobe/uretprobe section prefixes added - new bpf_program__get_{type,expected_attach_type} getters - preserve error code on program load failure + Fixes - btf_dump padding handling - bpf_object__name() returning name, not path - ELF section handling off-by-one bug fix - mem leak/double free fix in BPF program relocation code ------------------------------------------------------------------- Tue Oct 1 09:15:18 UTC 2019 - Michał Rostecki <mrostecki@opensuse.org> - Initial release
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