]> git.baikalelectronics.ru Git - kernel.git/commit
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)
commit03edf2fbd2498b1ec896eb7a93a6818a4715e2ae
tree49685afb5fb776e712a385d376c428ef30c910a7
parent4510ef29b65f7120b2f268fcad7a6e33df733d45
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