Re: Preemptible idr_alloc() in QRTR code

[Matthew Wilcox]

On Tue, Jan 26, 2021 at 10:47:34AM +0000, Mark Rutland wrote:
> Hi,
> 
> When fuzzing arm64 with Syzkaller, I'm seeing some splats where
> this_cpu_ptr() is used in the bowels of idr_alloc(), by way of
> radix_tree_node_alloc(), in a preemptible context:

I sent a patch to fix this last June.  The maintainer seems to be
under the impression that I care an awful lot more about their
code than I do.

https://lore.kernel.org/netdev/20200605120037.17427-1-willy@xxxxxxxxxxxxx/