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bpftool: Fix a wrong type cast in btf_dumper_int

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[ Upstream commit 7184aef9c0 ]

When `data` points to a boolean value, casting it to `int *` is problematic
and could lead to a wrong value being passed to `jsonw_bool`. Change the
cast to `bool *` instead.

Fixes: b12d6ec097 ("bpf: btf: add btf print functionality")
Signed-off-by: Lam Thai <lamthai@arista.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Reviewed-by: Quentin Monnet <quentin@isovalent.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20220824225859.9038-1-lamthai@arista.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Lam Thai 2022-08-24 15:59:00 -07:00 committed by Greg Kroah-Hartman
parent 6b194686e1
commit ff80b97fa4
1 changed files with 1 additions and 1 deletions
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2
tools/bpf/bpftool/btf_dumper.c
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@ -164,7 +164,7 @@ static int btf_dumper_int(const struct btf_type *t, __u8 bit_offset,
*(char *)data);
break;
case BTF_INT_BOOL:
jsonw_bool(jw, *(int *)data);
jsonw_bool(jw, *(bool *)data);
break;
default:
/* shouldn't happen */