From e4980fa6463624cb608c0f49882e11e8d6ccd590 Mon Sep 17 00:00:00 2001 From: Feng Yang Date: Wed, 27 Aug 2025 11:28:12 +0800 Subject: [PATCH] bpf: Replace kvfree with kfree for kzalloc memory These pointers are allocated by kzalloc. Therefore, replace kvfree() with kfree() to avoid unnecessary is_vmalloc_addr() check in kvfree(). This is the remaining unmodified part from [1]. Signed-off-by: Feng Yang Signed-off-by: Daniel Borkmann Acked-by: Yonghong Song Acked-by: Daniel Borkmann Link: https://lore.kernel.org/bpf/20250811123949.552885-1-rongqianfeng@vivo.com [1] Link: https://lore.kernel.org/bpf/20250827032812.498216-1-yangfeng59949@163.com --- kernel/bpf/verifier.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 5c9dd16b2c56b..b9394f8fac0ed 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -2021,7 +2021,7 @@ static void free_backedges(struct bpf_scc_visit *visit) for (backedge = visit->backedges; backedge; backedge = next) { free_verifier_state(&backedge->state, false); next = backedge->next; - kvfree(backedge); + kfree(backedge); } visit->backedges = NULL; } @@ -19651,7 +19651,7 @@ miss: err = maybe_enter_scc(env, new); if (err) { free_verifier_state(new, false); - kvfree(new_sl); + kfree(new_sl); return err; } -- 2.47.3