5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alex Williamson <alex.williamson@xxxxxxxxxx> [ Upstream commit fcdc0d3d40bc26c105acf8467f7d9018970944ae ] irqfds for mask and unmask that are not specifically disabled by the user are leaked. Remove any irqfds during cleanup Cc: Eric Auger <eric.auger@xxxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> Fixes: a7fa7c77cf15 ("vfio/platform: implement IRQ masking/unmasking via an eventfd") Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx> Reviewed-by: Eric Auger <eric.auger@xxxxxxxxxx> Link: https://lore.kernel.org/r/20240308230557.805580-6-alex.williamson@xxxxxxxxxx Signed-off-by: Alex Williamson <alex.williamson@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/vfio/platform/vfio_platform_irq.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/vfio/platform/vfio_platform_irq.c b/drivers/vfio/platform/vfio_platform_irq.c index c5b09ec0a3c98..f2893f2fcaabd 100644 --- a/drivers/vfio/platform/vfio_platform_irq.c +++ b/drivers/vfio/platform/vfio_platform_irq.c @@ -321,8 +321,11 @@ void vfio_platform_irq_cleanup(struct vfio_platform_device *vdev) { int i; - for (i = 0; i < vdev->num_irqs; i++) + for (i = 0; i < vdev->num_irqs; i++) { + vfio_virqfd_disable(&vdev->irqs[i].mask); + vfio_virqfd_disable(&vdev->irqs[i].unmask); vfio_set_trigger(vdev, i, -1, NULL); + } vdev->num_irqs = 0; kfree(vdev->irqs); -- 2.43.0