------------[ cut here ]------------ kernel BUG at net/socket.c:222! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 16129 Comm: syz-executor5 Not tainted 4.4.138-gcf21a9a #62 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8800a7e5c800 task.stack: ffff8800ba970000 RIP: 0010:[] [] move_addr_to_user+0x190/0x1c0 net/socket.c:222 RSP: 0018:ffff8800ba977c88 EFLAGS: 00010212 RAX: 0000000000040000 RBX: 00000000ffffff9c RCX: ffffc90004902000 RDX: 0000000000000069 RSI: ffffffff82f1a460 RDI: ffff8800ba977dc0 RBP: ffff8800ba977cc0 R08: ffff8800a7e5d100 R09: 0000000000000001 R10: 0000000000000000 R11: ffff8800a7e5c800 R12: 00000000200001c0 R13: ffff8800ba977e80 R14: ffff8800ba977dc0 R15: 00000000200001c0 FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000f57ddb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000020000100 CR3: 00000000a6728000 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff84605140 0000000020000080 1ffff1001752ef9c ffff8800ab1f1dc0 ffff8800ba977e80 ffff8800ba977dc0 00000000200001c0 ffff8800ba977ea8 ffffffff82f1c01b fffffffffffffff7 0000000020000080 0000000041b58ab3 Call Trace: [] SYSC_getpeername+0x25b/0x2d0 net/socket.c:1620 [] SyS_getpeername+0x24/0x30 net/socket.c:1601 [] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline] [] do_fast_syscall_32+0x326/0x8b0 arch/x86/entry/common.c:459 [] sysenter_flags_fixed+0xd/0x17 Code: 07 62 5f fe 48 8b 7d d0 44 89 ea 4c 89 f6 e8 e8 0a f2 fe 48 85 c0 0f 84 f7 fe ff ff b8 f2 ff ff ff e9 fe fe ff ff e8 50 70 43 fe <0f> 0b b8 ea ff ff ff e9 ed fe ff ff 48 89 c7 e8 7c f3 5d fe 48 RIP [] move_addr_to_user+0x190/0x1c0 net/socket.c:222 RSP ---[ end trace 944e75f8ac56cc75 ]---