On Mon, Nov 15, 2021 at 08:37:43PM +0100, Thomas Gleixner wrote:
> Commit 3735459037114d31e5acd9894fad9aed104231a0 uptream
>
> free_msi_irqs() frees the MSI entries before destroying the sysfs entries
> which are exposing them. Nothing prevents a concurrent free while a sysfs
> file is read and accesses the possibly freed entry.
>
> Move the sysfs release ahead of freeing the entries.
>
> Fixes: 1c51b50c2995 ("PCI/MSI: Export MSI mode using attributes, not kobjects")
> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> Link: https://lore.kernel.org/r/87sfw5305m.ffs@tglx
> ---
> Backport applies to 4.14.y up to 5.14.y series
All now queued up, thanks.
greg k-h
