From: syzbot <syzbot+5681e40d297b30f5b513@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org
Subject: Re: [syzbot] Test for 5681e40d297b30f5b513
Date: Sun, 12 May 2024 08:21:13 -0700 [thread overview]
Message-ID: <000000000000c2fd68061843519d@google.com> (raw)
In-Reply-To: <0000000000007e4a2e0616fdde23@google.com>
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Subject: Test for 5681e40d297b30f5b513
Author: syoshida@redhat.com
#syz test
diff --git a/net/can/j1939/main.c b/net/can/j1939/main.c
index a6fb89fa6278..df01628c6509 100644
--- a/net/can/j1939/main.c
+++ b/net/can/j1939/main.c
@@ -344,6 +344,9 @@ int j1939_send_one(struct j1939_priv *priv, struct sk_buff *skb)
/* make it a full can frame again */
skb_put(skb, J1939_CAN_FTR + (8 - dlc));
+ /* initialize unused data */
+ memset(cf->data + dlc, 0, 8 - dlc);
+
canid = CAN_EFF_FLAG |
(skcb->priority << 26) |
(skcb->addr.pgn << 8) |
next prev parent reply other threads:[~2024-05-12 15:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-26 11:04 [syzbot] [can?] KMSAN: kernel-infoleak in raw_recvmsg syzbot
2024-05-06 3:34 ` Oliver Hartkopp
2024-05-12 15:21 ` syzbot [this message]
2024-05-16 14:48 ` [syzbot] Test for 5681e40d297b30f5b513 syzbot
2024-05-16 15:49 ` syzbot
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