| Message ID | 20210506121211.8556-1-paskripkin@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | media: dvb-usb: fix wrong definition | expand |
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,
syzbot reported WARNING in vmalloc. The problem was in sizo size passed to vmalloc. The root case was in wrong cxusb_bluebird_lgz201_properties defenition. adapter array has only 1 entry, but num_adapters was 2. Call Trace: __vmalloc_node mm/vmalloc.c:2963 [inline] vmalloc+0x67/0x80 mm/vmalloc.c:2996 dvb_dmx_init+0xe4/0xb90 drivers/media/dvb-core/dvb_demux.c:1251 dvb_usb_adapter_dvb_init+0x564/0x860 drivers/media/usb/dvb-usb/dvb-usb-dvb.c:184 dvb_usb_adapter_init drivers/media/usb/dvb-usb/dvb-usb-init.c:86 [inline] dvb_usb_init drivers/media/usb/dvb-usb/dvb-usb-init.c:184 [inline] dvb_usb_device_init.cold+0xc94/0x146e drivers/media/usb/dvb-usb/dvb-usb-init.c:308 cxusb_probe+0x159/0x5e0 drivers/media/usb/dvb-usb/cxusb.c:1634 Reported-and-tested-by: syzbot+7336195c02c1bd2f64e1@syzkaller.appspotmail.com Signed-off-by: Pavel Skripkin <paskripkin@gmail.com> --- drivers/media/usb/dvb-usb/cxusb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)