On Tue, Nov 09, 2021 at 02:53:57PM +0100, Thomas Gleixner wrote: > 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> > Cc: stable@xxxxxxxxxxxxxxx > --- > drivers/pci/msi.c | 10 +++++----- > 1 file changed, 5 insertions(+), 5 deletions(-) Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>