[PATCH v2 03/16] net: airoha: avoid out of boundary writing/access to gdm_port_str[] array
Mikhail Kshevetskiy
mikhail.kshevetskiy at iopsys.eu
Wed Feb 11 19:22:17 CET 2026
In the case of an7581 possible GDM port id are: 1, 2 and 4.
Initialization of port GDM4 will lead to out of boundary writing
to gdm_port_str[] array.
Let's increase the array size by 1 to avoid it.
Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy at iopsys.eu>
---
drivers/net/airoha_eth.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/airoha_eth.c b/drivers/net/airoha_eth.c
index 2007642ebae..171fb0825fa 100644
--- a/drivers/net/airoha_eth.c
+++ b/drivers/net/airoha_eth.c
@@ -331,7 +331,7 @@ struct airoha_eth {
struct airoha_eth_soc_data *soc;
struct airoha_qdma qdma[AIROHA_MAX_NUM_QDMA];
- char gdm_port_str[AIROHA_MAX_NUM_GDM_PORTS][AIROHA_GDM_PORT_STRING_LEN];
+ char gdm_port_str[AIROHA_MAX_NUM_GDM_PORTS + 1][AIROHA_GDM_PORT_STRING_LEN];
};
struct airoha_eth_soc_data {
--
2.51.0
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