On Wed, 23 Jun 2021 02:15:23 -0700
syzbot <syzbot+c2f6f09fe907a838effb@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 13311e74 Linux 5.13-rc7
> git tree: upstream
> console output:
> https://syzkaller.appspot.com/x/log.txt?x=15d01e58300000 kernel
> config: https://syzkaller.appspot.com/x/.config?x=42ecca11b759d96c
> dashboard link:
> https://syzkaller.appspot.com/bug?extid=c2f6f09fe907a838effb syz
> repro:
> https://syzkaller.appspot.com/x/repro.syz?x=14bb89e8300000 C
> reproducer: https://syzkaller.appspot.com/x/repro.c?x=17cc51b8300000
>
> The issue was bisected to:
>
> commit f9006acc8dfe59e25aa75729728ac57a8d84fc32
> Author: Florian Westphal <fw@xxxxxxxxx>
> Date: Wed Apr 21 07:51:08 2021 +0000
>
> netfilter: arp_tables: pass table pointer via nf_hook_ops
>
> bisection log:
> https://syzkaller.appspot.com/x/bisect.txt?x=13b88400300000 final
> oops: https://syzkaller.appspot.com/x/report.txt?x=10788400300000
> console output:
> https://syzkaller.appspot.com/x/log.txt?x=17b88400300000
>
This one is similar to previous zero-size vmalloc, I guess :)
#syz test
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
With regards,
Pavel Skripkin
>From b1ed745713bb840e0778c5a13f1f83f535dca044 Mon Sep 17 00:00:00 2001
From: Pavel Skripkin <paskripkin@xxxxxxxxx>
Date: Wed, 23 Jun 2021 19:18:09 +0300
Subject: [PATCH] media: dvb-usb: fix wrong definition
/* ..... */
Signed-off-by: Pavel Skripkin <paskripkin@xxxxxxxxx>
---
drivers/media/usb/dvb-usb/cxusb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/usb/dvb-usb/cxusb.c b/drivers/media/usb/dvb-usb/cxusb.c
index 761992ad05e2..7707de7bae7c 100644
--- a/drivers/media/usb/dvb-usb/cxusb.c
+++ b/drivers/media/usb/dvb-usb/cxusb.c
@@ -1947,7 +1947,7 @@ static struct dvb_usb_device_properties cxusb_bluebird_lgz201_properties = {
.size_of_priv = sizeof(struct cxusb_state),
- .num_adapters = 2,
+ .num_adapters = 1,
.adapter = {
{
.num_frontends = 1,
--
2.32.0
