Re: [PATCH] bpf: Replace kvfree with kfree for kzalloc memory
From: Daniel Borkmann
Date: Tue Aug 26 2025 - 07:45:18 EST
On 8/26/25 9:39 AM, Feng Yang wrote:
From: Feng Yang <yangfeng@xxxxxxxxxx>
Refer to https://lore.kernel.org/bpf/20250811123949.552885-1-rongqianfeng@xxxxxxxx to replace the remaining part.
Please make this a proper commit message instead of just posting a lore link.
$subj should be [PATCH bpf-next].
Signed-off-by: Feng Yang <yangfeng@xxxxxxxxxx>
---
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 5c9dd16b2c56..b9394f8fac0e 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 @@ static int is_state_visited(struct bpf_verifier_env *env, int insn_idx)
err = maybe_enter_scc(env, new);
if (err) {
free_verifier_state(new, false);
- kvfree(new_sl);
+ kfree(new_sl);
return err;
}