diff options
| author | Rajat Asthana <rajatasthana4@gmail.com> | 2021-08-18 22:31:10 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-26 11:40:27 +0100 |
| commit | fd97b0283b8842720961a2c29fe8bbc9d3610e42 (patch) | |
| tree | b767d3db06051f303b6ee30d589f1d1e189e00f9 | |
| parent | 9a2e0cc9e50f00b20e326deea552fae84924693c (diff) | |
media: mceusb: return without resubmitting URB in case of -EPROTO error.
[ Upstream commit 476db72e521983ecb847e4013b263072bb1110fc ]
Syzkaller reported a warning called "rcu detected stall in dummy_timer".
The error seems to be an error in mceusb_dev_recv(). In the case of
-EPROTO error, the routine immediately resubmits the URB. Instead it
should return without resubmitting URB.
Reported-by: syzbot+4d3749e9612c2cfab956@syzkaller.appspotmail.com
Signed-off-by: Rajat Asthana <rajatasthana4@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/media/rc/mceusb.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c index bbbbfd697f9c..035b2455b26a 100644 --- a/drivers/media/rc/mceusb.c +++ b/drivers/media/rc/mceusb.c @@ -1080,6 +1080,7 @@ static void mceusb_dev_recv(struct urb *urb) case -ECONNRESET: case -ENOENT: case -EILSEQ: + case -EPROTO: case -ESHUTDOWN: usb_unlink_urb(urb); return; |