Change WARN to pr_warn in check_map_prog_compatibility,
because this functionality was added in kernels 6.1 and
because fuzzing kernels with syzkaller while
kernel was started with parameter panic_on_warn
produces false positive crashes.
Signed-off-by: Alexander Ofitserov <oficerovas@xxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
---
kernel/bpf/verifier.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 45c50ee9b0370..7a7a6e3087ba2 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -10478,7 +10478,7 @@ static int check_map_prog_compatibility(struct bpf_verifier_env *env,
verbose(env, "trace type programs can only use preallocated hash map\n");
return -EINVAL;
}
- WARN_ONCE(1, "trace type BPF program uses run-time allocation\n");
+ pr_warn_once("trace type BPF program uses run-time allocation\n");
verbose(env, "trace type programs with run-time allocated hash maps are unsafe. Switch to preallocated hash maps.\n");
}
--
2.42.1
