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@altlinux.org Cc: stable@vger.kernel.org --- 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"); }