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* [PATCH net] qed: off by one in qed_parse_mcp_trace_buf()
@ 2018-07-04  9:52 ` Dan Carpenter
  0 siblings, 0 replies; 6+ messages in thread
From: Dan Carpenter @ 2018-07-04  9:52 UTC (permalink / raw)
  To: Ariel Elior, Michal Kalderon
  Cc: everest-linux-l2, David S. Miller, netdev, kernel-janitors

If format_idx == s_mcp_trace_meta.formats_num then we read one element
beyond the end of the s_mcp_trace_meta.formats[] array.

Fixes: 50bc60cb155c ("qed*: Utilize FW 8.33.11.0")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/net/ethernet/qlogic/qed/qed_debug.c b/drivers/net/ethernet/qlogic/qed/qed_debug.c
index a14e48489029..4340c4c90bcb 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_debug.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_debug.c
@@ -6723,7 +6723,7 @@ static enum dbg_status qed_parse_mcp_trace_buf(u8 *trace_buf,
 		format_idx = header & MFW_TRACE_EVENTID_MASK;
 
 		/* Skip message if its index doesn't exist in the meta data */
-		if (format_idx > s_mcp_trace_meta.formats_num) {
+		if (format_idx >= s_mcp_trace_meta.formats_num) {
 			u8 format_size =
 				(u8)((header & MFW_TRACE_PRM_SIZE_MASK) >>
 				     MFW_TRACE_PRM_SIZE_SHIFT);

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* [PATCH net] qed: off by one in qed_parse_mcp_trace_buf()
@ 2018-07-04  9:52 ` Dan Carpenter
  0 siblings, 0 replies; 6+ messages in thread
From: Dan Carpenter @ 2018-07-04  9:52 UTC (permalink / raw)
  To: Ariel Elior, Michal Kalderon
  Cc: everest-linux-l2, David S. Miller, netdev, kernel-janitors

If format_idx = s_mcp_trace_meta.formats_num then we read one element
beyond the end of the s_mcp_trace_meta.formats[] array.

Fixes: 50bc60cb155c ("qed*: Utilize FW 8.33.11.0")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/net/ethernet/qlogic/qed/qed_debug.c b/drivers/net/ethernet/qlogic/qed/qed_debug.c
index a14e48489029..4340c4c90bcb 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_debug.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_debug.c
@@ -6723,7 +6723,7 @@ static enum dbg_status qed_parse_mcp_trace_buf(u8 *trace_buf,
 		format_idx = header & MFW_TRACE_EVENTID_MASK;
 
 		/* Skip message if its index doesn't exist in the meta data */
-		if (format_idx > s_mcp_trace_meta.formats_num) {
+		if (format_idx >= s_mcp_trace_meta.formats_num) {
 			u8 format_size  				(u8)((header & MFW_TRACE_PRM_SIZE_MASK) >>
 				     MFW_TRACE_PRM_SIZE_SHIFT);

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* RE: [PATCH net] qed: off by one in qed_parse_mcp_trace_buf()
  2018-07-04  9:52 ` Dan Carpenter
@ 2018-07-04 10:45   ` Tayar, Tomer
  -1 siblings, 0 replies; 6+ messages in thread
From: Tayar, Tomer @ 2018-07-04 10:45 UTC (permalink / raw)
  To: Dan Carpenter, Elior, Ariel, Kalderon, Michal
  Cc: Dept-Eng Everest Linux L2, David S. Miller, netdev, kernel-janitors

From: Dan Carpenter [mailto:dan.carpenter@oracle.com]
Sent: Wednesday, July 04, 2018 12:53 PM

> If format_idx == s_mcp_trace_meta.formats_num then we read one element
> beyond the end of the s_mcp_trace_meta.formats[] array.
> 
> Fixes: 50bc60cb155c ("qed*: Utilize FW 8.33.11.0")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Thanks
Acked-by: Tomer Tayar <Tomer.Tayar@cavium.com>

^ permalink raw reply	[flat|nested] 6+ messages in thread

* RE: [PATCH net] qed: off by one in qed_parse_mcp_trace_buf()
@ 2018-07-04 10:45   ` Tayar, Tomer
  0 siblings, 0 replies; 6+ messages in thread
From: Tayar, Tomer @ 2018-07-04 10:45 UTC (permalink / raw)
  To: Dan Carpenter, Elior, Ariel, Kalderon, Michal
  Cc: Dept-Eng Everest Linux L2, David S. Miller, netdev, kernel-janitors

From: Dan Carpenter [mailto:dan.carpenter@oracle.com]
Sent: Wednesday, July 04, 2018 12:53 PM

> If format_idx == s_mcp_trace_meta.formats_num then we read one element
> beyond the end of the s_mcp_trace_meta.formats[] array.
> 
> Fixes: 50bc60cb155c ("qed*: Utilize FW 8.33.11.0")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Thanks
Acked-by: Tomer Tayar <Tomer.Tayar@cavium.com>

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH net] qed: off by one in qed_parse_mcp_trace_buf()
  2018-07-04  9:52 ` Dan Carpenter
@ 2018-07-05 11:13   ` David Miller
  -1 siblings, 0 replies; 6+ messages in thread
From: David Miller @ 2018-07-05 11:13 UTC (permalink / raw)
  To: dan.carpenter
  Cc: Ariel.Elior, Michal.Kalderon, everest-linux-l2, netdev, kernel-janitors

From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 4 Jul 2018 12:52:36 +0300

> If format_idx == s_mcp_trace_meta.formats_num then we read one element
> beyond the end of the s_mcp_trace_meta.formats[] array.
> 
> Fixes: 50bc60cb155c ("qed*: Utilize FW 8.33.11.0")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Applied.

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH net] qed: off by one in qed_parse_mcp_trace_buf()
@ 2018-07-05 11:13   ` David Miller
  0 siblings, 0 replies; 6+ messages in thread
From: David Miller @ 2018-07-05 11:13 UTC (permalink / raw)
  To: dan.carpenter
  Cc: Ariel.Elior, Michal.Kalderon, everest-linux-l2, netdev, kernel-janitors

From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 4 Jul 2018 12:52:36 +0300

> If format_idx = s_mcp_trace_meta.formats_num then we read one element
> beyond the end of the s_mcp_trace_meta.formats[] array.
> 
> Fixes: 50bc60cb155c ("qed*: Utilize FW 8.33.11.0")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Applied.

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2018-07-05 11:13 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-07-04  9:52 [PATCH net] qed: off by one in qed_parse_mcp_trace_buf() Dan Carpenter
2018-07-04  9:52 ` Dan Carpenter
2018-07-04 10:45 ` Tayar, Tomer
2018-07-04 10:45   ` Tayar, Tomer
2018-07-05 11:13 ` David Miller
2018-07-05 11:13   ` David Miller

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