kvm [7987]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008b data 0x0 kvm [7987]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008a data 0x0 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 8041 Comm: syz-executor7 Not tainted 4.14.0-rc6+ #147 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 panic+0x1e4/0x417 kernel/panic.c:181 __warn+0x1c4/0x1d9 kernel/panic.c:542 report_bug+0x211/0x2d0 lib/bug.c:183 fixup_bug+0x40/0x90 arch/x86/kernel/traps.c:178 do_trap_no_signal arch/x86/kernel/traps.c:212 [inline] do_trap+0x260/0x390 arch/x86/kernel/traps.c:261 do_error_trap+0x120/0x390 arch/x86/kernel/traps.c:298 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:311 invalid_op+0x18/0x20 arch/x86/entry/entry_64.S:905 RIP: 0010:sock_owned_by_me include/net/sock.h:1505 [inline] RIP: 0010:sock_owned_by_user include/net/sock.h:1511 [inline] RIP: 0010:strp_data_ready+0x2b7/0x390 net/strparser/strparser.c:404 RSP: 0018:ffff8801c5a7f7d8 EFLAGS: 00010216 RAX: 0000000000010000 RBX: ffff8801c4f6dcc8 RCX: ffffc90001d39000 RDX: 00000000000002ab RSI: ffffffff846910b7 RDI: ffffffff85cbee20 RBP: ffff8801c5a7f7f8 R08: ffffffff8467b0ce R09: 0000000000000006 R10: ffff8801c5a7f6c0 R11: 0000000000000003 R12: ffff8801d8677040 R13: ffff8801c4f6dcd0 R14: ffff8801c5a7f960 R15: ffff8801d8677040 psock_data_ready+0x56/0x70 net/kcm/kcmsock.c:353 unix_dgram_sendmsg+0xa72/0x1600 net/unix/af_unix.c:1808 unix_seqpacket_sendmsg+0xf3/0x160 net/unix/af_unix.c:2062 sock_sendmsg_nosec net/socket.c:633 [inline] sock_sendmsg+0xca/0x110 net/socket.c:643 ___sys_sendmsg+0x31c/0x890 net/socket.c:2049 __sys_sendmmsg+0x1e6/0x5f0 net/socket.c:2139 SYSC_sendmmsg net/socket.c:2170 [inline] SyS_sendmmsg+0x35/0x60 net/socket.c:2165 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x452869 RSP: 002b:00007f2814b57be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452869 RDX: 0000000000000004 RSI: 0000000020ed9f10 RDI: 0000000000000014 RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006ee5f8 R13: 00000000ffffffff R14: 00007f2814b586d4 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..