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4581e676d3be9d8c921a48bf18e92c5a8f31bf13
linux/tools/lib/bpf
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Andrii Nakryiko 4581e676d3 libbpf: Fix potential uninit memory read 
In case of BPF_CORE_TYPE_ID_LOCAL we fill out target result explicitly.
But targ_res itself isn't initialized in such a case, and subsequent
call to bpf_core_patch_insn() might read uninitialized field (like
fail_memsz_adjust in this case). So ensure that targ_res is
zero-initialized for BPF_CORE_TYPE_ID_LOCAL case.

This was reported by Coverity static analyzer.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20211214010032.3843804-1-andrii@kernel.org
2021-12-14 15:37:58 +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
Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2021-12-10 15:56:13 -08:00
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: Add OPTS-based bpf_btf_load() API
2021-12-10 15:29:17 -08:00
bpf.h
libbpf: Allow passing user log setting through bpf_object_open_opts
2021-12-10 15:29:17 -08:00
btf_dump.c
libbpf: Silence uninitialized warning/error in btf_dump_dump_type_data
2021-11-29 09:36:44 -08:00
btf.c
libbpf: Fix typo in btf__dedup@LIBBPF_0.0.2 definition
2021-12-10 15:35:29 -08:00
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: Fix gen_loader assumption on number of programs.
2021-12-11 17:16:19 -08:00
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: Deprecate bpf_prog_load_xattr() API
2021-12-02 15:23:41 -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: Allow passing preallocated log_buf when loading BTF into kernel
2021-12-10 15:29:17 -08:00
libbpf_legacy.h
libbpf: Rename DECLARE_LIBBPF_OPTS into LIBBPF_OPTS
2021-11-07 08:34:22 -08:00
libbpf_probes.c
libbpf: Add OPTS-based bpf_btf_load() API
2021-12-10 15:29:17 -08:00
libbpf_version.h
libbpf: Add API to get/set log_level at per-program level
2021-12-02 15:23:40 -08:00
libbpf.c
Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2021-12-10 15:56:13 -08:00
libbpf.h
libbpf: Add doc comments for bpf_program__(un)pin()
2021-12-13 13:55:53 -08:00
libbpf.map
libbpf: Add per-program log buffer setter and getter
2021-12-10 15:29:18 -08:00
libbpf.pc.template
libbpf: Add zlib as a dependency in pkg-config template
2019-12-16 14:55:29 -08:00
linker.c
libbpf: Fix using invalidated memory in bpf_linker
2021-11-26 00:15:03 +01:00
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: Fix potential uninit memory read
2021-12-14 15:37:58 +01:00
relo_core.h
libbpf: Reduce bpf_core_apply_relo_insn() stack usage.
2021-12-03 13:21:59 -08:00
ringbuf.c
libbpf: Streamline error reporting for high-level APIs
2021-05-25 17:32:35 -07:00
skel_internal.h
bpf, mips: Fix build errors about __NR_bpf undeclared
2021-11-26 22:11:25 +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