Andrii Nakryiko 4ab7361e64 libbpf: don't close(-1) in multi-uprobe feature detector ...

Guard close(link_fd) with extra link_fd >= 0 check to prevent close(-1).

Detected by Coverity static analysis.

Fixes: 04d939a2ab22 ("libbpf: detect broken PID filtering logic for multi-uprobe")
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20240529231212.768828-1-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

2024-06-03 13:41:26 -07:00

..

.gitignore

makefile: support libbpf symbol versioning in shared library mode

2019-09-30 21:42:42 -07:00

bpf_core_read.h

bpf: Avoid uninitialized value in BPF_CORE_READ_BITFIELD

2024-05-08 16:04:40 -07:00

bpf_endian.h

libbpf: Make bpf_endian co-exist with vmlinux.h

2020-07-01 14:36:55 -07:00

bpf_gen_internal.h

libbpf: Support kfunc detection in light skeleton.

2023-03-23 13:10:17 -07:00

bpf_helper_defs.h

sync: auto-generate latest BPF helpers

2024-04-24 15:16:35 -07:00

bpf_helpers.h

libbpf: Fix bpf_ksym_exists() in GCC

2024-05-08 16:04:40 -07:00

bpf_prog_linfo.c

libbpf: Streamline error reporting for high-level APIs

2021-06-08 13:04:27 -07:00

bpf_tracing.h

libbpf: Avoid casts from pointers to enums in bpf_tracing.h

2024-05-08 16:04:40 -07:00

bpf.c

libbpf: fix feature detectors when using token_fd

2024-05-28 20:39:55 -07:00

bpf.h

libbpf: add support for BPF cookie for raw_tp/tp_btf programs

2024-03-25 21:58:26 -07:00

btf_dump.c

libbpf: Fix dump of subsequent char arrays

2024-04-24 15:16:35 -07:00

btf.c

libbpf: Correct debug message in btf__load_vmlinux_btf

2024-03-06 13:58:27 -08:00

btf.h

libbpf: Don't require full struct enum64 in UAPI headers

2022-09-27 15:23:45 -07:00

elf.c

libbpf: Move feature detection code into its own file

2024-01-26 18:12:29 -05:00

features.c

libbpf: don't close(-1) in multi-uprobe feature detector

2024-06-03 13:41:26 -07:00

gen_loader.c

libbpf: Store zero fd to fd_array for loader kfunc relocation

2023-05-25 16:44:19 -07:00

hashmap.c

libbpf: Hashmap interface update to allow both long and void* keys/values

2022-11-12 18:24:12 -08:00

hashmap.h

libbpf: Remove HASHMAP_INIT static initialization helper

2023-07-11 10:03:25 -07:00

libbpf_common.h

libbpf: Fix potential uninitialized tail padding with LIBBPF_OPTS_RESET

2023-11-10 13:27:01 -08:00

libbpf_errno.c

libbpf: Optimized return value in libbpf_strerror when errno is libbpf errno

2022-12-14 22:09:00 -08:00

libbpf_internal.h

libbpf: keep FD_CLOEXEC flag when dup()'ing FD

2024-06-03 13:41:26 -07:00

libbpf_legacy.h

libbpf: Clean up deprecated and legacy aliases

2022-08-18 15:29:04 -07:00

libbpf_probes.c

bpf: improve error message for unsupported helper

2024-04-24 15:16:35 -07:00

libbpf_version.h

libbpf: Start v1.5 development cycle

2024-04-24 15:16:35 -07:00

libbpf.c

libbpf: Configure log verbosity with env variable

2024-05-28 20:39:55 -07:00

libbpf.h

libbpf: Configure log verbosity with env variable

2024-05-28 20:39:55 -07:00

libbpf.map

libbpf: Add bpf_link support for BPF_PROG_TYPE_SOCKMAP

2024-04-24 15:16:35 -07:00

libbpf.pc.template

libbpf: Add zlib as a dependency in pkg-config template

2019-12-19 15:34:27 -08:00

linker.c

libbpf: Add missed btf_ext__raw_data() API

2024-02-01 15:10:17 -08:00

Makefile

Makefile: Ensure github libbpf version the same as the kernel one

2024-04-24 15:16:35 -07:00

netlink.c

libbpf: Use OPTS_SET() macro in bpf_xdp_query()

2024-02-06 11:52:00 -08:00

nlattr.c

libbpf: Fix alen calculation in libbpf_nla_dump_errormsg()

2023-02-17 17:17:27 -08:00

nlattr.h

libbpf: add API to get XDP/XSK supported features

2023-02-17 17:17:27 -08:00

relo_core.c

libbpf: fix signedness determination in CO-RE relo handling logic

2023-08-25 11:51:28 -07:00

relo_core.h

bpf, libbpf: Add type match support

2022-07-31 16:45:48 -07:00

ringbuf.c

libbpf: fix ring_buffer__consume_n() return result logic

2024-05-08 16:04:40 -07:00

skel_internal.h

libbpf: add map_get_fd_by_id and map_delete_elem in light skeleton

2022-09-27 15:23:45 -07:00

str_error.c

libbpf: fix libbpf_strerror_r() handling unknown errors

2024-05-08 16:04:40 -07:00

str_error.h

libbpf: Move feature detection code into its own file

2024-01-26 18:12:29 -05:00

strset.c

libbpf: Hashmap interface update to allow both long and void* keys/values

2022-11-12 18:24:12 -08:00

strset.h

libbpf: Extract internal set-of-strings datastructure APIs

2021-03-25 23:31:23 -07:00

usdt.bpf.h

libbpf: Avoid casts from pointers to enums in bpf_tracing.h

2024-05-08 16:04:40 -07:00

usdt.c

libbpf: Add uprobe multi link support to bpf_program__attach_usdt

2023-08-25 11:51:28 -07:00

zip.c

libbpf: Ignore warnings about "inefficient alignment"

2023-03-23 13:10:17 -07:00

zip.h

libbpf: Implement basic zip archive parsing support

2023-03-06 09:47:37 -08:00