# The return probe appears to cause this reproducer to crash
# kprobe.function("__vfs_read").return causes a read fault
# comment out the kprobe.function("__vfs_read").return and the
# script runs without error
probe
      kprobe.function("__vfs_read").return,
      kprobe.function("__vfs_read")
{
	# Skip the call if new_sync_read() wouldn't be called.
	file = pointer_arg(1)
	if (file) {
		print_regs();
 		if(@cast(file, "file")->f_op->read) {
			next
		}
	}
	exit()
}