kernel: AF_UNIX: Fix deadlock on connecting to shutdown socket

net/unix/afunix.c in the Linux kernel 2.6.31.4 and earlier allows local users to cause a denial of service system hang by creating an abstract-namespace AFUNIX listening socket, performing a shutdown operation on this socket, and then performing a series of connect operations to this socket...

kernel: AF_UNIX: Fix deadlock on connecting to shutdown socket

net/unix/afunix.c in the Linux kernel 2.6.31.4 and earlier allows local users to cause a denial of service system hang by creating an abstract-namespace AFUNIX listening socket, performing a shutdown operation on this socket, and then performing a series of connect operations to this socket...