BUG: unable to handle kernel NULL pointer dereference at (null) netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. IP: (null) PGD a9600067 P4D a9600067 PUD 86ee3067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 7222 Comm: syz-executor.3 Not tainted 4.14.151 #0 audit: type=1400 audit(1572941607.116:40): avc: denied { map } for pid=7217 comm="syz-executor.0" path=2F6D656D66643AB3202864656C6574656429 dev="tmpfs" ino=26924 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:tmpfs_t:s0 tclass=file permissive=1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff888062088540 task.stack: ffff888062090000 RIP: 0010: (null) RSP: 0018:ffff888062097d48 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffffff88151060 RCX: ffffc9000904e000 RDX: 1ffffffff102a223 RSI: 0000000000000000 RDI: ffff88809cb56000 RBP: ffff888062097d68 R08: 0000000000000001 R09: ffff888062088de0 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809cb56000 R13: ffff88809cb5600e R14: 000000000000001c R15: 0000000000000002 FS: 00007f5906435700(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000084a88000 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:00007f5906434c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 000000000000001c RSI: 00000000208c0000 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f59064356d4 R13: 00000000004c09aa R14: 00000000004d3358 R15: 00000000ffffffff Code: Bad RIP value. RIP: (null) RSP: ffff888062097d48 CR2: 0000000000000000 ---[ end trace 8a28fa95ef7a5814 ]--- kobject: 'loop2' (ffff8880a4986e60): kobject_uevent_env