On Tue, Oct 01, 2013 at 02:41:58PM -0700, Eric Dumazet wrote: > Maybe I am missing something obvious ? Yes. do_execve_common() starts with unshare_files(); there can be no other thread capable of modifying that descriptor table. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html