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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-03 19:25:26 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-03 19:25:26 +0000
commitef6fed2eb60f1d490dd8c6b7a5ae88c29e77522a (patch)
treec7830d9586142e9f5d69374f645bf313244797bc /net/core/skbuff.c
parentAdding debian version 5.10.216-1. (diff)
downloadlinux-ef6fed2eb60f1d490dd8c6b7a5ae88c29e77522a.tar.xz
linux-ef6fed2eb60f1d490dd8c6b7a5ae88c29e77522a.zip
Merging upstream version 5.10.218.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/core/skbuff.c')
-rw-r--r--net/core/skbuff.c28
1 files changed, 20 insertions, 8 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 50261f3ae..b0c2d6f01 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -60,6 +60,7 @@
#include <linux/prefetch.h>
#include <linux/if_vlan.h>
#include <linux/mpls.h>
+#include <linux/kcov.h>
#include <net/protocol.h>
#include <net/dst.h>
@@ -1516,11 +1517,17 @@ static inline int skb_alloc_rx_flag(const struct sk_buff *skb)
struct sk_buff *skb_copy(const struct sk_buff *skb, gfp_t gfp_mask)
{
- int headerlen = skb_headroom(skb);
- unsigned int size = skb_end_offset(skb) + skb->data_len;
- struct sk_buff *n = __alloc_skb(size, gfp_mask,
- skb_alloc_rx_flag(skb), NUMA_NO_NODE);
+ struct sk_buff *n;
+ unsigned int size;
+ int headerlen;
+
+ if (WARN_ON_ONCE(skb_shinfo(skb)->gso_type & SKB_GSO_FRAGLIST))
+ return NULL;
+ headerlen = skb_headroom(skb);
+ size = skb_end_offset(skb) + skb->data_len;
+ n = __alloc_skb(size, gfp_mask,
+ skb_alloc_rx_flag(skb), NUMA_NO_NODE);
if (!n)
return NULL;
@@ -1750,12 +1757,17 @@ struct sk_buff *skb_copy_expand(const struct sk_buff *skb,
/*
* Allocate the copy buffer
*/
- struct sk_buff *n = __alloc_skb(newheadroom + skb->len + newtailroom,
- gfp_mask, skb_alloc_rx_flag(skb),
- NUMA_NO_NODE);
- int oldheadroom = skb_headroom(skb);
int head_copy_len, head_copy_off;
+ struct sk_buff *n;
+ int oldheadroom;
+
+ if (WARN_ON_ONCE(skb_shinfo(skb)->gso_type & SKB_GSO_FRAGLIST))
+ return NULL;
+ oldheadroom = skb_headroom(skb);
+ n = __alloc_skb(newheadroom + skb->len + newtailroom,
+ gfp_mask, skb_alloc_rx_flag(skb),
+ NUMA_NO_NODE);
if (!n)
return NULL;