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From: Edward Adam Davis <eadavis@qq.com>
To: syzbot+d7521c1e3841ed075a42@syzkaller.appspotmail.com
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [virtualization?] KMSAN: uninit-value in virtqueue_add (4)
Date: Fri, 26 Jan 2024 14:57:02 +0800	[thread overview]
Message-ID: <tencent_996F3767C6DAF364036D296183B744451705@qq.com> (raw)
In-Reply-To: <000000000000fd588e060de27ef4@google.com>

please test uninit-value in virtqueue_add (4)

#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 9d1bdcdc1331..4ca6627a7459 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -427,7 +427,7 @@ static int __virtscsi_add_cmd(struct virtqueue *vq,
 			    size_t req_size, size_t resp_size)
 {
 	struct scsi_cmnd *sc = cmd->sc;
-	struct scatterlist *sgs[6], req, resp;
+	struct scatterlist *sgs[6], req = {}, resp = {};
 	struct sg_table *out, *in;
 	unsigned out_num = 0, in_num = 0;
 


  parent reply	other threads:[~2024-01-26  6:57 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-01 13:38 syzbot
2024-01-02  7:38 ` [syzbot] " syzbot
2024-01-02 13:03 ` Michael S. Tsirkin
2024-01-04 20:45   ` Stefan Hajnoczi
2024-01-24 10:47     ` Alexander Potapenko
2024-01-24 21:25       ` Stefan Hajnoczi
2024-01-26  0:43 ` Edward Adam Davis
2024-01-26  1:26   ` [syzbot] [mm] " syzbot
2024-01-26  1:35 ` [syzbot] [virtualization?] " Edward Adam Davis
2024-01-26  1:43   ` [syzbot] [mm] " syzbot
2024-01-26 10:19   ` [syzbot] [virtualization?] " Alexander Potapenko
2024-01-26  6:57 ` Edward Adam Davis [this message]
2024-01-26  7:34   ` [syzbot] [mm] " syzbot
2024-02-24  5:53 ` [syzbot] [virtualization?] " Tetsuo Handa
2024-02-24  6:22   ` [syzbot] [mm] " syzbot
2024-02-24 10:47   ` [syzbot] [virtualization?] " Tetsuo Handa
2024-02-24 11:19     ` [syzbot] [mm] " syzbot
2024-02-24 14:03     ` [syzbot] [virtualization?] " Tetsuo Handa
2024-02-24 14:24       ` [syzbot] [mm] " syzbot
2024-02-25  0:01       ` [syzbot] [virtualization?] " Tetsuo Handa
2024-02-25  0:21         ` [syzbot] [mm] " syzbot
2024-02-25  0:27 ` [syzbot] [virtualization?] " Edward Adam Davis
2024-02-25  0:52   ` [syzbot] [mm] " syzbot
2024-02-25  1:50 ` [syzbot] Re: [syzbot] [virtualization?] " syzbot
2024-02-25  2:42 ` syzbot
2024-02-25  3:59 ` syzbot
2024-03-06 13:14 ` syzbot
2024-03-26 10:35 ` Tetsuo Handa

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