BUG: unable to handle kernel NULL pointer dereference at (null) IP: (null) PGD 8791b067 P4D 8791b067 PUD 8c5f0067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 8705 Comm: syz-executor.3 Not tainted 4.14.151 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880a3e7e040 task.stack: ffff88805f4a0000 RIP: 0010: (null) RSP: 0018:ffff88805f4a7d48 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffffff88151060 RCX: ffffc90008a5b000 RDX: 1ffffffff102a223 RSI: 0000000000000000 RDI: ffff8880999bd000 RBP: ffff88805f4a7d68 R08: 0000000000000001 R09: ffff8880a3e7e8e0 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880999bd000 R13: ffff8880999bd00e R14: 0000000000000010 R15: 0000000000000802 FS: 00007feb8110e700(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000082409000 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:00007feb8110dc78 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: 00007feb8110e6d4 R13: 00000000004c099d R14: 00000000004d3340 R15: 00000000ffffffff Code: Bad RIP value. RIP: (null) RSP: ffff88805f4a7d48 CR2: 0000000000000000 ptrace attach of "/root/syz-executor.2"[6989] was attempted by " 0 p \x07 !    \x0a       p  @ ="[8704] ---[ end trace d29bc6c8381ff407 ]---