[PATCH] unix: use kvmalloc_array() for BPF iterator batches
From: Weimin Xiong <hidden>
Date: 2026-07-16 02:51:27
Also in:
lkml
Subsystem:
networking [general], networking [unix sockets], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Kuniyuki Iwashima, Linus Torvalds
Use kvmalloc_array() instead of open-coding the element-size multiplication when allocating the Unix-domain BPF iterator batch. Signed-off-by: Weimin Xiong <redacted> ---
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index f7a9d55ee..6664ead46 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c@@ -3659,8 +3659,8 @@ static int bpf_iter_unix_realloc_batch(struct bpf_unix_iter_state *iter, { struct sock **new_batch; - new_batch = kvmalloc(sizeof(*new_batch) * new_batch_sz, - GFP_USER | __GFP_NOWARN); + new_batch = kvmalloc_array(new_batch_sz, sizeof(*new_batch), + GFP_USER | __GFP_NOWARN); if (!new_batch) return -ENOMEM;