On Wed, 21 Feb 2024 15:38:47 +0100 Hans Verkuil <hverkuil-cisco@xxxxxxxxx> > On 21/02/2024 15:20, Edward Adam Davis wrote: > > After unlocking adap->lock in cec_claim_log_addrs(), cec_claim_log_addrs() may > > re-enter, causing this issue to occur. > > But if it is called again, then it should hit this at the start of the function: > > if (WARN_ON(adap->is_configuring || adap->is_configured)) > return; > > I'm still not sure what causes the KASAN hung task since I cannot seem to reproduce > it, and because it is hard for me to find enough time to dig into this. Likely because of the window for initializing completion more than once [1]. [1] https://lore.kernel.org/lkml/00000000000054a54e0611f1bc01@xxxxxxxxxx/