On Sat, 12 Nov 2022 14:35:06 +0100, Mark Brown wrote: > > On Sat, Nov 12, 2022 at 05:29:21AM -0800, syzbot wrote: > > syzbot has bisected this issue to: > > > > commit 4f8ed19593872b710f27bbc3b7a9ce03310efc57 > > Author: Mark Brown <broonie@xxxxxxxxxx> > > Date: Thu Jun 2 13:10:58 2022 +0000 > > > > ASoC: tfa9879: Use modern ASoC DAI format terminology > > This bisection really doesn't seem credible for an issue in a different > driver... The tfa9879 is neither a USB nor MIDI device, and the commit > in question is a stylistic update. Yes, the bisection result is bogus. And, the problem here is just a kernel WARNING produced by snd_BUG_ON() macro usage, and the check itself is valid. We just need to drop snd_BUG_ON() wrapping. Will submit the fix later. thanks, Takashi