BUG: unable to handle kernel NULL pointer dereference at (null) IP: (null) PGD 87605067 P4D 87605067 PUD 9b771067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN 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. Modules linked in: CPU: 1 PID: 7299 Comm: syz-executor.4 Not tainted 4.14.151 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88809f0f6180 task.stack: ffff888065a60000 RIP: 0010: (null) RSP: 0018:ffff888065a67d48 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffffff88151060 RCX: ffffc9000c460000 RDX: 1ffffffff102a223 RSI: 0000000000000000 RDI: ffff888094644000 RBP: ffff888065a67d68 R08: 0000000000000001 R09: ffff88809f0f6a20 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888094644000 R13: ffff88809464400e R14: 000000000000001c R15: 0000000000000002 FS: 00007f409d76e700(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000087855000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inet_autobind+0xae/0x180 net/ipv4/af_inet.c:181 inet_dgram_connect+0x136/0x1e0 net/ipv4/af_inet.c:538 SYSC_connect+0x1f6/0x2d0 net/socket.c:1655 SyS_connect+0x24/0x30 net/socket.c:1636 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a219 RSP: 002b:00007f409d76dc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 000000000000001c RSI: 0000000020000200 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f409d76e6d4 R13: 00000000004c09aa R14: 00000000004d3358 R15: 00000000ffffffff Code: Bad RIP value. RIP: (null) RSP: ffff888065a67d48 CR2: 0000000000000000 kobject: 'loop3' (ffff8880a4a7a960): kobject_uevent_env kobject: 'loop3' (ffff8880a4a7a960): fill_kobj_path: path = '/devices/virtual/block/loop3' ---[ end trace 562c76ae9b5c5e06 ]---