Forwarded: [PATCH] RDMA/rtrs-clt: guard against null kobj name

syzbot posted 1 patch 1 month ago

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drivers/infiniband/ulp/rtrs/rtrs-clt-trace.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

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Forwarded: [PATCH] RDMA/rtrs-clt: guard against null kobj name

Posted by syzbot 1 month ago

For archival purposes, forwarding an incoming command email to
linux-kernel@vger.kernel.org.

***

Subject: [PATCH] RDMA/rtrs-clt: guard against null kobj name
Author: ryan.mehri1@gmail.com

#syz test

Signed-off-by: Ryan Mehri <ryan.mehri1@gmail.com>
---
 drivers/infiniband/ulp/rtrs/rtrs-clt-trace.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt-trace.h b/drivers/infiniband/ulp/rtrs/rtrs-clt-trace.h
index 7738e2676855..33bf6215d26c 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt-trace.h
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt-trace.h
@@ -55,7 +55,8 @@ DECLARE_EVENT_CLASS(rtrs_clt_conn_class,
 		__entry->max_reconnect_attempts = clt->max_reconnect_attempts;
 		__entry->fail_cnt = clt_path->stats->reconnects.fail_cnt;
 		__entry->success_cnt = clt_path->stats->reconnects.successful_cnt;
-		memcpy(__entry->sessname, kobject_name(&clt_path->kobj), NAME_MAX);
+		if (kobject_name(&clt_path->kobj))
+			memcpy(__entry->sessname, kobject_name(&clt_path->kobj), NAME_MAX);
 	),
 
 	TP_printk("RTRS-CLT: sess='%s' state=%s attempts='%d' max-attempts='%d' fail='%d' success='%d'",
-- 
2.55.0