WARNING: can't dereference registers at 00000000000002ab for ip retint_user+0x8/0x18 syz-executor.5 (9473) used greatest stack depth: 24696 bytes left block nbd0: Attempted send on invalid socket print_req_error: I/O error, dev nbd0, sector 3512548010789078 block nbd0: Attempted send on invalid socket print_req_error: I/O error, dev nbd0, sector 3512548010789078 Buffer I/O error on dev nbd0p4, logical block 1716264579708304, async page read L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed