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authorAndrii Nakryiko <andrii@kernel.org>2022-11-11 21:12:42 +0300
committerMartin KaFai Lau <martin.lau@kernel.org>2022-11-12 01:06:20 +0300
commiteb6af4ceda2d885416d8382f096030d39896aafc (patch)
tree810bfb1ca4fd663db6fc66c376a6727f4eb00096 /tools/testing/selftests/bpf/veristat.c
parent0f7dc423a5dcad488e1d8f8f34d5572600a86471 (diff)
downloadlinux-eb6af4ceda2d885416d8382f096030d39896aafc.tar.xz
selftests/bpf: fix veristat's singular file-or-prog filter
Fix the bug of filtering out filename too early, before we know the program name, if using unified file-or-prog filter (i.e., -f <any-glob>). Because we try to filter BPF object file early without opening and parsing it, if any_glob (file-or-prog) filter is used we have to accept any filename just to get program name, which might match any_glob. Fixes: 10b1b3f3e56a ("selftests/bpf: consolidate and improve file/prog filtering in veristat") Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Stanislav Fomichev <sdf@google.com> Link: https://lore.kernel.org/r/20221111181242.2101192-1-andrii@kernel.org Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/veristat.c')
-rw-r--r--tools/testing/selftests/bpf/veristat.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/veristat.c b/tools/testing/selftests/bpf/veristat.c
index 9e3811ab4866..f961b49b8ef4 100644
--- a/tools/testing/selftests/bpf/veristat.c
+++ b/tools/testing/selftests/bpf/veristat.c
@@ -367,7 +367,13 @@ static bool should_process_file_prog(const char *filename, const char *prog_name
if (f->any_glob) {
if (glob_matches(filename, f->any_glob))
return true;
- if (prog_name && glob_matches(prog_name, f->any_glob))
+ /* If we don't know program name yet, any_glob filter
+ * has to assume that current BPF object file might be
+ * relevant; we'll check again later on after opening
+ * BPF object file, at which point program name will
+ * be known finally.
+ */
+ if (!prog_name || glob_matches(prog_name, f->any_glob))
return true;
} else {
if (f->file_glob && !glob_matches(filename, f->file_glob))