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(parent: 94d0587) | patch
libbpf: Detect corrupted ELF symbols section
authorAndrii Nakryiko <andrii@kernel.org>
Wed, 3 Nov 2021 17:32:09 +0000 (10:32 -0700)
committerAlexei Starovoitov <ast@kernel.org>
Wed, 3 Nov 2021 20:25:37 +0000 (13:25 -0700)
commit5b5a0d963f7709a48d21776919bcef7275b93576
tree49685afb5fb776e712a385d376c428ef30c910a7tree | snapshot
parent94d0587990e5bd2741e28e222b0a12373e7bca19commit | diff
libbpf: Detect corrupted ELF symbols section

Prevent divide-by-zero if ELF is corrupted and has zero sh_entsize.
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/20211103173213.1376990-2-andrii@kernel.org
tools/lib/bpf/libbpf.c diff | blob | history
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