BUG: unable to handle kernel NULL pointer dereference at (null) IP: (null) PGD 91f83067 P4D 91f83067 PUD 9f627067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 7270 Comm: syz-executor.5 Not tainted 4.14.151 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880673b40c0 task.stack: ffff8880673b8000 RIP: 0010: (null) RSP: 0018:ffff8880673bfd48 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffffff88151060 RCX: ffffc90005e1d000 RDX: 1ffffffff102a223 RSI: 0000000000000000 RDI: ffff88809f44a800 RBP: ffff8880673bfd68 R08: 0000000000000001 R09: ffff8880673b4960 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809f44a800 R13: ffff88809f44a80e R14: 000000000000001c R15: 0000000000000002 FS: 00007feaa2da4700(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000008b0c6000 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:00007feaa2da3c78 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: 00007feaa2da46d4 R13: 00000000004c09aa R14: 00000000004d3358 R15: 00000000ffffffff Code: Bad RIP value. RIP: (null) RSP: ffff8880673bfd48 CR2: 0000000000000000 kobject: 'loop1' (ffff8880a4a511e0): kobject_uevent_env kobject: 'loop1' (ffff8880a4a511e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (ffff8880a72b89d0): kobject_uevent_env kobject: 'kvm' (ffff8880a72b89d0): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4b06220): kobject_uevent_env kobject: 'loop4' (ffff8880a4b06220): fill_kobj_path: path = '/devices/virtual/block/loop4' ---[ end trace ce96c2ded5835fb7 ]--- kobject: 'loop2' (ffff8880a4a79260): kobject_uevent_env