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| author | Kumar Kartikeya Dwivedi <memxor@gmail.com> | 2026-07-19 17:36:28 +0200 |
|---|---|---|
| committer | Eduard Zingerman <eddyz87@gmail.com> | 2026-07-21 16:31:48 -0700 |
| commit | 04e19012efaec2bfd8c3b37fd8a6c3f1fe731ffc (patch) | |
| tree | dd48f8d24839688fb16f228eb9040b3d27aa6142 | |
| parent | fcac2b4a3bdfbb6bd34ef671f0e77ccaa3051c5b (diff) | |
| download | linux-04e19012efaec2bfd8c3b37fd8a6c3f1fe731ffc.tar.gz linux-04e19012efaec2bfd8c3b37fd8a6c3f1fe731ffc.zip | |
bpf: Fix offset warn check for bpf_res_spin_lock
Sashiko pointed out correctly that the case statement for
BPF_RES_SPIN_LOCK incorrectly checks offset for BPF_SPIN_LOCK.
Fix it by checking res_spin_lock_off instead.
Fixes: 0de2046137f9 ("bpf: Implement verifier support for rqspinlock")
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://patch.msgid.link/20260719153634.2908692-2-memxor@gmail.com
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
| -rw-r--r-- | kernel/bpf/btf.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index cbb1e49b9bcb..e7d4e9ba24e2 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -4168,7 +4168,7 @@ struct btf_record *btf_parse_fields(const struct btf *btf, const struct btf_type rec->spin_lock_off = rec->fields[i].offset; break; case BPF_RES_SPIN_LOCK: - WARN_ON_ONCE(rec->spin_lock_off >= 0); + WARN_ON_ONCE(rec->res_spin_lock_off >= 0); /* Cache offset for faster lookup at runtime */ rec->res_spin_lock_off = rec->fields[i].offset; break; |