On Fri, Aug 02, 2019 at 05:51:54PM +0200, Greg Kroah-Hartman wrote:
On Fri, Aug 02, 2019 at 09:48:28AM -0400, Sasha Levin wrote:On Fri, Aug 02, 2019 at 11:39:57AM +0200, Greg Kroah-Hartman wrote: > From: Takashi Iwai <tiwai@xxxxxxx> > > commit 801ebf1043ae7b182588554cc9b9ad3c14bc2ab5 upstream. > > The recent USB core code performs sanity checks for the given pipe and > EP types, and it can be hit by manipulated USB descriptors by syzbot. > For making syzbot happier, this patch introduces a local helper for a > sanity check in the driver side and calls it at each place before the > message handling, so that we can avoid the WARNING splats. > > Reported-by: syzbot+d952e5e28f5fb7718d23@xxxxxxxxxxxxxxxxxxxxxxxxx > Signed-off-by: Takashi Iwai <tiwai@xxxxxxx> > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> This commit has a fix: 5d78e1c2b7f4b ("ALSA: usb-audio: Fix gpf in snd_usb_pipe_sanity_check") which was not pulled by Linus yet. I'm going to drop this commit and re-queue it together with it's fix once it makes it upstream.Ah, thanks for doing that.
Now queued these two commits for 5.2. -- Thanks, Sasha
