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authorHiago De Franco <hiago.franco@toradex.com>2025-06-02 15:00:56 -0300
committerHiago De Franco <hiago.franco@toradex.com>2025-06-03 10:26:20 -0300
commitdefb81960f4fcb580b75bbc207e5440dad4376d6 (patch)
treeda4539935a24104d027d92a8f9afd519f2ee625a /drivers/net/ppp/ppp_synctty.c
parent5a6602cc6c3204b24470b2429e658c25638b10a9 (diff)
parent1b69a86802c7e77a7624fe4970ca7d382a785b8f (diff)
Merge branch '5.15-2.2.x-imx' into toradex_5.15-2.2.x-imxtoradex_5.15-2.2.x-imx
Conflicts: drivers/tty/serial/fsl_lpuart.c Signed-off-by: Hiago De Franco <hiago.franco@toradex.com>
Diffstat (limited to 'drivers/net/ppp/ppp_synctty.c')
-rw-r--r--drivers/net/ppp/ppp_synctty.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ppp/ppp_synctty.c b/drivers/net/ppp/ppp_synctty.c
index 692c558beed5..c8d9c580ed50 100644
--- a/drivers/net/ppp/ppp_synctty.c
+++ b/drivers/net/ppp/ppp_synctty.c
@@ -517,6 +517,11 @@ ppp_sync_txmunge(struct syncppp *ap, struct sk_buff *skb)
unsigned char *data;
int islcp;
+ /* Ensure we can safely access protocol field and LCP code */
+ if (!pskb_may_pull(skb, 3)) {
+ kfree_skb(skb);
+ return NULL;
+ }
data = skb->data;
proto = get_unaligned_be16(data);