Messages in this thread | | | Date | Fri, 11 Oct 2019 04:17:37 -0700 | Subject | Re: Re: KMSAN: uninit-value in alauda_check_media | From | syzbot <> |
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> Hi, just taking a crack at this. Hope you guys don't mind.
> #syz test: https://github.com/google/kasan.git 1e76a3e5
KMSAN bugs can only be tested on https://github.com/google/kmsan.git tree because KMSAN tool is not upstreamed yet. See https://goo.gl/tpsmEJ#kmsan-bugs for details.
> diff --git a/drivers/usb/storage/alauda.c b/drivers/usb/storage/alauda.c > index ddab2cd3d2e7..bb309b9ad65b 100644 > --- a/drivers/usb/storage/alauda.c > +++ b/drivers/usb/storage/alauda.c > @@ -452,7 +452,7 @@ static int alauda_init_media(struct us_data *us) > static int alauda_check_media(struct us_data *us) > { > struct alauda_info *info = (struct alauda_info *) us->extra; > - unsigned char status[2]; > + unsigned char *status = us->iobuf; > int rc;
> rc = alauda_get_media_status(us, status);
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