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* [PATCH] net/bnxt: fix null pointer dereference in bnxt_hwrm_port_led_cfg()
@ 2022-08-01 14:47 Mao YingMing
  0 siblings, 0 replies; 5+ messages in thread
From: Mao YingMing @ 2022-08-01 14:47 UTC (permalink / raw)
  To: dev; +Cc: stable, Ajit Khaparde, Somnath Kotur, Kalesh AP, Thomas Monjalon

From: maoyingming <maoyingming@baidu.com>

VFs's "bp->leds" is allways null, check bp->leds is
not null before use bp->leds->num_leds.

segfault backtrace in trex program when use VF:
11: bnxt_hwrm_port_led_cfg (bp=0x23ffb2140, led_on=true)
10: bnxt_dev_led_on_op (dev=0x22d7780 <rte_eth_devices>)
 9: rte_eth_led_on (port_id=0)
 8: DpdkTRexPortAttr::set_led (this=0x23b6ce0, on=true)
 7: DpdkTRexPortAttr::DpdkTRexPortAttr
 6: CTRexExtendedDriverBnxt::create_port_attr
 5: CPhyEthIF::Create
 4: CGlobalTRex::device_start
 3: CGlobalTRex::Create
 2: main_test
 1: main

Fixes: d4d5a04 ("net/bnxt: fix unnecessary memory allocation")
Cc: stable@dpdk.org

Signed-off-by: Mao YingMing <maoyingming@baidu.com>
---
 drivers/net/bnxt/bnxt_hwrm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index 9c52573..41e6067 100644
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -4535,7 +4535,7 @@ int bnxt_hwrm_port_led_cfg(struct bnxt *bp, bool led_on)
 	uint16_t duration = 0;
 	int rc, i;
 
-	if (!bp->leds->num_leds || BNXT_VF(bp))
+	if (BNXT_VF(bp) || (!bp->leds) || (!bp->leds->num_leds))
 		return -EOPNOTSUPP;
 
 	HWRM_PREP(&req, HWRM_PORT_LED_CFG, BNXT_USE_CHIMP_MB);
-- 
1.8.3.1


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [PATCH] net/bnxt: fix null pointer dereference in bnxt_hwrm_port_led_cfg()
@ 2022-08-02  3:07 Mao YingMing
  0 siblings, 0 replies; 5+ messages in thread
From: Mao YingMing @ 2022-08-02  3:07 UTC (permalink / raw)
  To: dev; +Cc: Ajit Khaparde, Somnath Kotur, Kalesh AP, Thomas Monjalon

From: maoyingming <maoyingming@baidu.com>

VFs's "bp->leds" is allways null, check bp->leds is
not null before use bp->leds->num_leds.

segfault backtrace in trex program when use VF:
11: bnxt_hwrm_port_led_cfg (bp=0x23ffb2140, led_on=true)
10: bnxt_dev_led_on_op (dev=0x22d7780 <rte_eth_devices>)
 9: rte_eth_led_on (port_id=0)
 8: DpdkTRexPortAttr::set_led (this=0x23b6ce0, on=true)
 7: DpdkTRexPortAttr::DpdkTRexPortAttr
 6: CTRexExtendedDriverBnxt::create_port_attr
 5: CPhyEthIF::Create
 4: CGlobalTRex::device_start
 3: CGlobalTRex::Create
 2: main_test
 1: main

Fixes: d4d5a04 ("net/bnxt: fix unnecessary memory allocation")
Cc: stable@dpdk.org

Signed-off-by: Mao YingMing <maoyingming@baidu.com>
---
 drivers/net/bnxt/bnxt_hwrm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index 9c52573..41e6067 100644
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -4535,7 +4535,7 @@ int bnxt_hwrm_port_led_cfg(struct bnxt *bp, bool led_on)
 	uint16_t duration = 0;
 	int rc, i;
 
-	if (!bp->leds->num_leds || BNXT_VF(bp))
+	if (BNXT_VF(bp) || (!bp->leds) || (!bp->leds->num_leds))
 		return -EOPNOTSUPP;
 
 	HWRM_PREP(&req, HWRM_PORT_LED_CFG, BNXT_USE_CHIMP_MB);
-- 
1.8.3.1


^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] net/bnxt: fix null pointer dereference in bnxt_hwrm_port_led_cfg()
  2022-08-02  3:03 Mao YingMing
@ 2022-08-02  3:06 ` Somnath Kotur
  0 siblings, 0 replies; 5+ messages in thread
From: Somnath Kotur @ 2022-08-02  3:06 UTC (permalink / raw)
  To: Mao YingMing; +Cc: dev, Ajit Khaparde, Kalesh AP, Thomas Monjalon

[-- Attachment #1: Type: text/plain, Size: 1570 bytes --]

On Tue, Aug 2, 2022 at 8:33 AM Mao YingMing <maoyingming@baidu.com> wrote:
>
Thanks for the patch
> From: maoyingming <maoyingming@baidu.com>
>
> VFs's "bp->leds" is allways null, check bp->leds is
> not null before use bp->leds->num_leds.
Typo in 'always'
You can just say ' For VFs , bp->leds is uninitialized'
>
> segfault backtrace in trex program when use VF:
> 11: bnxt_hwrm_port_led_cfg (bp=0x23ffb2140, led_on=true)
> 10: bnxt_dev_led_on_op (dev=0x22d7780 <rte_eth_devices>)
>  9: rte_eth_led_on (port_id=0)
>  8: DpdkTRexPortAttr::set_led (this=0x23b6ce0, on=true)
>  7: DpdkTRexPortAttr::DpdkTRexPortAttr
>  6: CTRexExtendedDriverBnxt::create_port_attr
>  5: CPhyEthIF::Create
>  4: CGlobalTRex::device_start
>  3: CGlobalTRex::Create
>  2: main_test
>  1: main
>
> Fixes: d4d5a04 ("net/bnxt: fix unnecessary memory allocation")
> Cc: stable@dpdk.org
>
> Signed-off-by: Mao YingMing <maoyingming@baidu.com>
> ---
>  drivers/net/bnxt/bnxt_hwrm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
> index 9c52573..41e6067 100644
> --- a/drivers/net/bnxt/bnxt_hwrm.c
> +++ b/drivers/net/bnxt/bnxt_hwrm.c
> @@ -4535,7 +4535,7 @@ int bnxt_hwrm_port_led_cfg(struct bnxt *bp, bool led_on)
>         uint16_t duration = 0;
>         int rc, i;
>
> -       if (!bp->leds->num_leds || BNXT_VF(bp))
> +       if (BNXT_VF(bp) || (!bp->leds) || (!bp->leds->num_leds))
>                 return -EOPNOTSUPP;
>
>         HWRM_PREP(&req, HWRM_PORT_LED_CFG, BNXT_USE_CHIMP_MB);
> --
> 1.8.3.1
>

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^ permalink raw reply	[flat|nested] 5+ messages in thread

* [PATCH] net/bnxt: fix null pointer dereference in bnxt_hwrm_port_led_cfg()
@ 2022-08-02  3:03 Mao YingMing
  2022-08-02  3:06 ` Somnath Kotur
  0 siblings, 1 reply; 5+ messages in thread
From: Mao YingMing @ 2022-08-02  3:03 UTC (permalink / raw)
  To: dev; +Cc: Ajit Khaparde, Somnath Kotur, Kalesh AP, Thomas Monjalon

From: maoyingming <maoyingming@baidu.com>

VFs's "bp->leds" is allways null, check bp->leds is
not null before use bp->leds->num_leds.

segfault backtrace in trex program when use VF:
11: bnxt_hwrm_port_led_cfg (bp=0x23ffb2140, led_on=true)
10: bnxt_dev_led_on_op (dev=0x22d7780 <rte_eth_devices>)
 9: rte_eth_led_on (port_id=0)
 8: DpdkTRexPortAttr::set_led (this=0x23b6ce0, on=true)
 7: DpdkTRexPortAttr::DpdkTRexPortAttr
 6: CTRexExtendedDriverBnxt::create_port_attr
 5: CPhyEthIF::Create
 4: CGlobalTRex::device_start
 3: CGlobalTRex::Create
 2: main_test
 1: main

Fixes: d4d5a04 ("net/bnxt: fix unnecessary memory allocation")
Cc: stable@dpdk.org

Signed-off-by: Mao YingMing <maoyingming@baidu.com>
---
 drivers/net/bnxt/bnxt_hwrm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index 9c52573..41e6067 100644
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -4535,7 +4535,7 @@ int bnxt_hwrm_port_led_cfg(struct bnxt *bp, bool led_on)
 	uint16_t duration = 0;
 	int rc, i;
 
-	if (!bp->leds->num_leds || BNXT_VF(bp))
+	if (BNXT_VF(bp) || (!bp->leds) || (!bp->leds->num_leds))
 		return -EOPNOTSUPP;
 
 	HWRM_PREP(&req, HWRM_PORT_LED_CFG, BNXT_USE_CHIMP_MB);
-- 
1.8.3.1


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [PATCH] net/bnxt: fix null pointer dereference in bnxt_hwrm_port_led_cfg()
@ 2022-08-01 14:50 Mao YingMing
  0 siblings, 0 replies; 5+ messages in thread
From: Mao YingMing @ 2022-08-01 14:50 UTC (permalink / raw)
  To: dev; +Cc: Ajit Khaparde, Somnath Kotur, Kalesh AP, Thomas Monjalon

From: maoyingming <maoyingming@baidu.com>

VFs's "bp->leds" is allways null, check bp->leds is
not null before use bp->leds->num_leds.

segfault backtrace in trex program when use VF:
11: bnxt_hwrm_port_led_cfg (bp=0x23ffb2140, led_on=true)
10: bnxt_dev_led_on_op (dev=0x22d7780 <rte_eth_devices>)
 9: rte_eth_led_on (port_id=0)
 8: DpdkTRexPortAttr::set_led (this=0x23b6ce0, on=true)
 7: DpdkTRexPortAttr::DpdkTRexPortAttr
 6: CTRexExtendedDriverBnxt::create_port_attr
 5: CPhyEthIF::Create
 4: CGlobalTRex::device_start
 3: CGlobalTRex::Create
 2: main_test
 1: main

Fixes: d4d5a04 ("net/bnxt: fix unnecessary memory allocation")
Cc: stable@dpdk.org

Signed-off-by: Mao YingMing <maoyingming@baidu.com>
---
 drivers/net/bnxt/bnxt_hwrm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index 9c52573..41e6067 100644
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -4535,7 +4535,7 @@ int bnxt_hwrm_port_led_cfg(struct bnxt *bp, bool led_on)
 	uint16_t duration = 0;
 	int rc, i;
 
-	if (!bp->leds->num_leds || BNXT_VF(bp))
+	if (BNXT_VF(bp) || (!bp->leds) || (!bp->leds->num_leds))
 		return -EOPNOTSUPP;
 
 	HWRM_PREP(&req, HWRM_PORT_LED_CFG, BNXT_USE_CHIMP_MB);
-- 
1.8.3.1


^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2022-08-11  8:24 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-08-01 14:47 [PATCH] net/bnxt: fix null pointer dereference in bnxt_hwrm_port_led_cfg() Mao YingMing
2022-08-01 14:50 Mao YingMing
2022-08-02  3:03 Mao YingMing
2022-08-02  3:06 ` Somnath Kotur
2022-08-02  3:07 Mao YingMing

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