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linux/tools/lib/bpf
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Andrii Nakryiko 62554d52e7 libbpf: Validate that .BTF and .BTF.ext sections contain data 
.BTF and .BTF.ext ELF sections should have SHT_PROGBITS type and contain
data. If they are not, ELF is invalid or corrupted, so bail out.
Otherwise this can lead to data->d_buf being NULL and SIGSEGV later on.
Reported by oss-fuzz project.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20211103173213.1376990-4-andrii@kernel.org
2021-11-03 13:25:37 -07:00
..
.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: Add typeless ksym support to gen_loader
2021-10-28 16:30:06 -07:00
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: Ensure that BPF syscall fds are never 0, 1, or 2
2021-10-28 16:30:07 -07:00
bpf.h
libbpf: Add bpf_cookie support to bpf_link_create() API
2021-08-17 00:45:08 +02:00
btf_dump.c
libbpf: Use __BYTE_ORDER__
2021-10-25 20:39:41 -07:00
btf.c
libbpf: Use O_CLOEXEC uniformly when opening fds
2021-10-28 16:30:07 -07:00
btf.h
libbpf: Add btf__type_cnt() and btf__raw_data() APIs
2021-10-22 16:09:14 -07:00
Build
libbpf: Split CO-RE logic into relo_core.c.
2021-07-26 12:29:14 -07:00
gen_loader.c
libbpf: Add weak ksym support to gen_loader
2021-10-28 16:30:06 -07:00
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: Schedule open_opts.attach_prog_fd deprecation since v0.7
2021-09-17 09:05:41 -07:00
libbpf_errno.c
libbpf: Streamline error reporting for high-level APIs
2021-05-25 17:32:35 -07:00
libbpf_internal.h
libbpf: Ensure that BPF syscall fds are never 0, 1, or 2
2021-10-28 16:30:07 -07:00
libbpf_legacy.h
libbpf: Deprecate bpf_objects_list
2021-10-27 11:00:12 -07:00
libbpf_probes.c
libbpf: Use O_CLOEXEC uniformly when opening fds
2021-10-28 16:30:07 -07:00
libbpf_version.h
libbpf: Make libbpf_version.h non-auto-generated
2021-09-13 15:36:47 -07:00
libbpf.c
libbpf: Validate that .BTF and .BTF.ext sections contain data
2021-11-03 13:25:37 -07:00
libbpf.h
libbpf: Deprecate bpf_program__get_prog_info_linear
2021-11-03 11:25:36 -07:00
libbpf.map
libbpf: Add "map_extra" as a per-map-type extra flag
2021-10-28 13:22:49 -07:00
libbpf.pc.template
libbpf: Add zlib as a dependency in pkg-config template
2019-12-16 14:55:29 -08:00
linker.c
libbpf: Use O_CLOEXEC uniformly when opening fds
2021-10-28 16:30:07 -07:00
Makefile
libbpf: Remove Makefile warnings on out-of-sync netlink.h/if_link.h
2021-10-19 16:33:10 -07:00
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: Fix skel_internal.h to set errno on loader retval < 0
2021-09-29 20:42:32 -07:00
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: Use O_CLOEXEC uniformly when opening fds
2021-10-28 16:30:07 -07:00
xsk.h
libbpf: Deprecate AF_XDP support
2021-11-01 18:12:44 -07:00