Messages in this thread | | | Date | Tue, 6 Aug 2019 22:38:08 -0400 | From | Sasha Levin <> | Subject | Re: [PATCH 5.2 03/20] ALSA: usb-audio: Sanity checks for each pipe and EP types |
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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@suse.de> >> > >> > 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@syzkaller.appspotmail.com >> > Signed-off-by: Takashi Iwai <tiwai@suse.de> >> > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> >> >> 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
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