IPVS: set_ctl: invalid protocol: 98 127.0.0.1:20000 none ------------[ cut here ]------------ kernel BUG at drivers/vhost/vhost.c:1652! invalid opcode: 0000 [#1] SMP KASAN raw_sendmsg: syz-executor3 forgot to set AF_INET. Fix it! Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 8874 Comm: syz-executor1 Not tainted 4.16.0+ #375 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:set_bit_to_user drivers/vhost/vhost.c:1652 [inline] RIP: 0010:log_write+0x3ca/0x490 drivers/vhost/vhost.c:1676 RSP: 0018:ffff8801a9fd7940 EFLAGS: 00010212 RAX: 0000000000040000 RBX: dffffc0000000000 RCX: ffffffff854bcf2a IPVS: set_ctl: invalid protocol: 98 127.0.0.1:20000 none RDX: 000000000000005e RSI: ffffc900056bc000 RDI: ffff8801b15c9ad8 RBP: ffff8801a9fd7a80 R08: 0000000020000200 R09: 0000000000000004 R10: ffff8801a9fd7b00 R11: 0000000000000004 R12: 0001ffffffffffff R13: ffffed00353faf3b R14: ffff8801a9fd7a58 R15: ffff8801a9fd79d8 FS: 00007f1d7f26b700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9570246db8 CR3: 00000001ae209005 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vhost_update_used_flags+0x379/0x480 drivers/vhost/vhost.c:1723 vhost_vq_init_access+0xca/0x540 drivers/vhost/vhost.c:1763 vhost_vsock_start drivers/vhost/vsock.c:446 [inline] vhost_vsock_dev_ioctl+0x6b2/0x890 drivers/vhost/vsock.c:678 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x455269 RSP: 002b:00007f1d7f26ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f1d7f26b6d4 RCX: 0000000000455269 RDX: 0000000020f82ffc RSI: 000000004004af61 RDI: 0000000000000015 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000351 R14: 00000000006f7038 R15: 0000000000000000 Code: 5e 41 5f 5d c3 31 c0 eb a6 e8 33 96 25 fc 4c 89 ef e8 ab 9a 44 fc 4c 89 f8 48 c1 e8 03 c6 04 18 f8 e9 3a ff ff ff e8 16 96 25 fc <0f> 0b e8 0f 96 25 fc 4d 8d 6c 24 ff e9 89 fe ff ff e8 00 96 25 RIP: set_bit_to_user drivers/vhost/vhost.c:1652 [inline] RSP: ffff8801a9fd7940 RIP: log_write+0x3ca/0x490 drivers/vhost/vhost.c:1676 RSP: ffff8801a9fd7940 ---[ end trace 0f404a7d16fb6643 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..