* Re: KMSAN: uninit-value in alauda_check_media
@ 2019-10-11 11:17 Jas K
2019-10-11 11:17 ` syzbot
0 siblings, 1 reply; 2+ messages in thread
From: Jas K @ 2019-10-11 11:17 UTC (permalink / raw)
To: syzbot+e7d46eb426883fb97efd
Cc: stern, gregkh, linux-usb, usb-storage, linux-kernel
Hi, just taking a crack at this. Hope you guys don't mind.
#syz test: https://github.com/google/kasan.git 1e76a3e5
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);
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: Re: KMSAN: uninit-value in alauda_check_media
2019-10-11 11:17 KMSAN: uninit-value in alauda_check_media Jas K
@ 2019-10-11 11:17 ` syzbot
0 siblings, 0 replies; 2+ messages in thread
From: syzbot @ 2019-10-11 11:17 UTC (permalink / raw)
To: Jas K
Cc: gregkh, jaskaransingh7654321, linux-kernel, linux-usb, stern,
usb-storage, syzkaller-bugs
> 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);
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2019-10-11 11:17 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2019-10-11 11:17 KMSAN: uninit-value in alauda_check_media Jas K
2019-10-11 11:17 ` syzbot
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox