BUG: unable to handle kernel NULL pointer dereference at (null) IP: (null) PGD 8f5da067 P4D 8f5da067 PUD 96310067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 10873 Comm: syz-executor.1 Not tainted 4.14.151 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff888061042140 task.stack: ffff888060c78000 RIP: 0010: (null) RSP: 0018:ffff888060c7fd48 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffffff88151060 RCX: ffffc90008e55000 RDX: 1ffffffff102a223 RSI: 0000000000000000 RDI: ffff88808e2f3800 RBP: ffff888060c7fd68 R08: 0000000000000001 R09: ffff8880610429e0 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808e2f3800 R13: ffff88808e2f380e R14: 0000000000000010 R15: 0000000000000802 FS: 00007fdbabc6e700(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000082ca9000 CR4: 00000000001406f0 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:00007fdbabc6dc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000010 RSI: 0000000020004cc0 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdbabc6e6d4 R13: 00000000004c099d R14: 00000000004d3340 R15: 00000000ffffffff Code: Bad RIP value. RIP: (null) RSP: ffff888060c7fd48 CR2: 0000000000000000 kobject: 'loop2' (ffff8880a49cf7e0): kobject_uevent_env ---[ end trace 28b53d20d4eac52f ]--- kobject: 'loop2' (ffff8880a49cf7e0): fill_kobj_path: path = '/devices/virtual/block/loop2'