iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
linux/tools/lib/bpf
History
Andrii Nakryiko 401891a9de libbpf: Fix potential misaligned memory access in btf_ext__new() 
Perform a memory copy before we do the sanity checks of btf_ext_hdr.
This prevents misaligned memory access if raw btf_ext data is not 4-byte
aligned ([0]).

While at it, also add missing const qualifier.

  [0] Closes: https://github.com/libbpf/libbpf/issues/391

Fixes: 2993e0515bb4 ("tools/bpf: add support to read .BTF.ext sections")
Reported-by: Evgeny Vereshchagin <evvers@ya.ru>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20211124002325.1737739-3-andrii@kernel.org
2021-11-26 00:14:06 +01:00
..
.gitignore
libbpf: Make libbpf_version.h non-auto-generated
2021-09-13 15:36:47 -07:00
bpf_core_read.h
libbpf: Fix endianness detection in BPF_CORE_READ_BITFIELD_PROBED()
2021-10-25 20:39:41 -07:00
bpf_endian.h
libbpf: Make bpf_endian co-exist with vmlinux.h
2020-07-01 09:06:12 +02:00
bpf_gen_internal.h
libbpf: Unify low-level map creation APIs w/ new bpf_map_create()
2021-11-25 23:35:46 +01:00
bpf_helpers.h
libbpf: Use static const fmt string in __bpf_printk
2021-09-17 14:02:05 -07:00
bpf_prog_linfo.c
libbpf: Streamline error reporting for high-level APIs
2021-05-25 17:32:35 -07:00
bpf_tracing.h
riscv, libbpf: Add RISC-V (RV64) support to bpf_tracing.h
2021-11-01 17:08:21 +01:00
bpf.c
libbpf: Unify low-level map creation APIs w/ new bpf_map_create()
2021-11-25 23:35:46 +01:00
bpf.h
libbpf: Unify low-level map creation APIs w/ new bpf_map_create()
2021-11-25 23:35:46 +01:00
btf_dump.c
libbpf: Support BTF_KIND_TYPE_TAG
2021-11-11 17:41:11 -08:00
btf.c
libbpf: Fix potential misaligned memory access in btf_ext__new()
2021-11-26 00:14:06 +01:00
btf.h
libbpf: Fix potential misaligned memory access in btf_ext__new()
2021-11-26 00:14:06 +01:00
Build
libbpf: Split CO-RE logic into relo_core.c.
2021-07-26 12:29:14 -07:00
gen_loader.c
libbpf: Unify low-level map creation APIs w/ new bpf_map_create()
2021-11-25 23:35:46 +01:00
hashmap.c
libbpf: Centralize poisoning and poison reallocarray()
2020-08-18 18:38:25 -07:00
hashmap.h
libbpf, hashmap: Fix undefined behavior in hash_bits
2020-11-02 23:33:51 +01:00
libbpf_common.h
libbpf: Unify low-level BPF_PROG_LOAD APIs into bpf_prog_load()
2021-11-07 08:34:23 -08:00
libbpf_errno.c
libbpf: Streamline error reporting for high-level APIs
2021-05-25 17:32:35 -07:00
libbpf_internal.h
libbpf: Unify low-level map creation APIs w/ new bpf_map_create()
2021-11-25 23:35:46 +01:00
libbpf_legacy.h
libbpf: Rename DECLARE_LIBBPF_OPTS into LIBBPF_OPTS
2021-11-07 08:34:22 -08:00
libbpf_probes.c
libbpf: Use bpf_map_create() consistently internally
2021-11-25 23:35:46 +01:00
libbpf_version.h
libbpf: Make libbpf_version.h non-auto-generated
2021-09-13 15:36:47 -07:00
libbpf.c
libbpf: Use bpf_map_create() consistently internally
2021-11-25 23:35:46 +01:00
libbpf.h
libbpf: Change bpf_program__set_extra_flags to bpf_program__set_flags
2021-11-19 14:21:37 -08:00
libbpf.map
libbpf: Unify low-level map creation APIs w/ new bpf_map_create()
2021-11-25 23:35:46 +01:00
libbpf.pc.template
libbpf: Add zlib as a dependency in pkg-config template
2019-12-16 14:55:29 -08:00
linker.c
libbpf: Turn btf_dedup_opts into OPTS-based struct
2021-11-11 16:54:05 -08:00
Makefile
libbpf: Compile using -std=gnu89
2021-11-09 13:27:52 -08:00
netlink.c
libbpf: Switch to void * casting in netlink helpers
2021-06-22 17:04:02 +02:00
nlattr.c
libbpf: Switch to void * casting in netlink helpers
2021-06-22 17:04:02 +02:00
nlattr.h
libbpf: Switch to void * casting in netlink helpers
2021-06-22 17:04:02 +02:00
relo_core.c
libbpf: Use __BYTE_ORDER__
2021-10-25 20:39:41 -07:00
relo_core.h
libbpf: Split CO-RE logic into relo_core.c.
2021-07-26 12:29:14 -07:00
ringbuf.c
libbpf: Streamline error reporting for high-level APIs
2021-05-25 17:32:35 -07:00
skel_internal.h
libbpf: Use bpf_map_create() consistently internally
2021-11-25 23:35:46 +01:00
str_error.c
libbpf: Poison kernel-only integer types
2020-01-10 10:38:00 -08:00
str_error.h
libbpf: relicense libbpf as LGPL-2.1 OR BSD-2-Clause
2018-10-08 10:09:48 +02:00
strset.c
libbpf: Fix memory leak in strset
2021-10-01 22:54:38 +02:00
strset.h
libbpf: Extract internal set-of-strings datastructure APIs
2021-03-18 16:14:22 -07:00
xsk.c
libbpf: Prevent deprecation warnings in xsk.c
2021-11-25 23:35:46 +01:00
xsk.h
libbpf: Deprecate AF_XDP support
2021-11-01 18:12:44 -07:00