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| author |   Jiri Olsa <jolsa@redhat.com> | 2021-07-21 23:58:08 +0200 |
|---|---|---|
| committer |   Andrii Nakryiko <andrii@kernel.org> | 2021-07-22 20:08:39 -0700 |
| commit | 1f71a468a75ff4f13c55966c74284aa4a6bcc334 (patch) | |
| tree | ee345cc538961b595a88067e8ff47f62c6809424 /tools/lib | |
| parent | selftests/bpf: Mute expected invalid map creation error msg (diff) | |
| download | linux-dev-1f71a468a75ff4f13c55966c74284aa4a6bcc334.tar.xz linux-dev-1f71a468a75ff4f13c55966c74284aa4a6bcc334.zip | |
libbpf: Fix func leak in attach_kprobe
Add missing free() for func pointer in attach_kprobe function.
Fixes: a2488b5f483f ("libbpf: Allow specification of "kprobe/function+offset"")
Reported-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Reviewed-by: Alan Maguire <alan.maguire@oracle.com>
Tested-by: Alan Maguire <alan.maguire@oracle.com>
Link: https://lore.kernel.org/bpf/20210721215810.889975-2-jolsa@kernel.org
Diffstat (limited to 'tools/lib')
| -rw-r--r-- | tools/lib/bpf/libbpf.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 4c153c379989..d46c2dd37be2 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -10431,6 +10431,7 @@ static struct bpf_link *attach_kprobe(const struct bpf_sec_def *sec, return libbpf_err_ptr(err); } if (opts.retprobe && offset != 0) { + free(func); err = -EINVAL; pr_warn("kretprobes do not support offset specification\n"); return libbpf_err_ptr(err); |