diff options
| author | Jiri Olsa <jolsa@redhat.com> | 2021-07-21 23:58:09 +0200 |
|---|---|---|
| committer | Andrii Nakryiko <andrii@kernel.org> | 2021-07-23 05:09:16 +0200 |
| commit | e3f9bc35ea7e9871667d7f769cf0079211828e89 (patch) | |
| tree | ad75453ffd707488d850db04610ec0a7fc79844f /tools/lib/bpf | |
| parent | libbpf: Fix func leak in attach_kprobe (diff) | |
| download | linux-e3f9bc35ea7e9871667d7f769cf0079211828e89.tar.xz linux-e3f9bc35ea7e9871667d7f769cf0079211828e89.zip | |
libbpf: Allow decimal offset for kprobes
Allow to specify decimal offset in SEC macro, like:
SEC("kprobe/bpf_fentry_test7+5")
Add selftest for that.
Suggested-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/20210721215810.889975-3-jolsa@kernel.org
Diffstat (limited to 'tools/lib/bpf')
| -rw-r--r-- | tools/lib/bpf/libbpf.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index d46c2dd37be2..52f4f1d4f495 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -10424,7 +10424,7 @@ static struct bpf_link *attach_kprobe(const struct bpf_sec_def *sec, func_name = prog->sec_name + sec->len; opts.retprobe = strcmp(sec->sec, "kretprobe/") == 0; - n = sscanf(func_name, "%m[a-zA-Z0-9_.]+%lx", &func, &offset); + n = sscanf(func_name, "%m[a-zA-Z0-9_.]+%li", &func, &offset); if (n < 1) { err = -EINVAL; pr_warn("kprobe name is invalid: %s\n", func_name); |