diff options
| author | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2019-11-12 10:22:28 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-05 13:05:47 +0000 |
| commit | da527ecae76aaf2c87adb5e1fcdc5426709cf3db (patch) | |
| tree | b6088f777a5d20fd63284f4ed4bd2f7bfee76dc7 /drivers/media | |
| parent | 4dedaec7b943e1f4359c1b185aace66dd8dd5602 (diff) | |
media: dvb-usb/dvb-usb-urb.c: initialize actlen to 0
commit 569bc8d6a6a50acb5fcf07fb10b8d2d461fdbf93 upstream.
This fixes a syzbot failure since actlen could be uninitialized,
but it was still used.
Syzbot link:
https://syzkaller.appspot.com/bug?extid=6bf9606ee955b646c0e1
Reported-and-tested-by: syzbot+6bf9606ee955b646c0e1@syzkaller.appspotmail.com
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Acked-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/usb/dvb-usb/dvb-usb-urb.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/usb/dvb-usb/dvb-usb-urb.c b/drivers/media/usb/dvb-usb/dvb-usb-urb.c index 95f9097498cb..2fa8d71385ec 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb-urb.c +++ b/drivers/media/usb/dvb-usb/dvb-usb-urb.c @@ -11,7 +11,7 @@ int dvb_usb_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen, int delay_ms) { - int actlen,ret = -ENOMEM; + int actlen = 0, ret = -ENOMEM; if (!d || wbuf == NULL || wlen == 0) return -EINVAL; |