kvm [29261]: vcpu0, guest rIP: 0xfff0 disabled perfctr wrmsr: 0x187 data 0x1 WARNING: CPU: 1 PID: 29244 at lib/iov_iter.c:857 iov_iter_revert+0x2ee/0xaa0 lib/iov_iter.c:857 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 29244 Comm: syz-executor6 Not tainted 4.17.0-rc7+ #80 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 panic+0x22f/0x4de kernel/panic.c:184 __warn.cold.8+0x163/0x1b3 kernel/panic.c:536 report_bug+0x252/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1de/0x490 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:992 RIP: 0010:iov_iter_revert+0x2ee/0xaa0 lib/iov_iter.c:857 RSP: 0018:ffff8801b098f870 EFLAGS: 00010216 RAX: 0000000000040000 RBX: 00000000ffffffff RCX: ffffc900072e2000 RDX: 000000000000034c RSI: ffffffff8351167e RDI: 0000000000000007 RBP: ffff8801b098f8d0 R08: ffff880184eca340 R09: ffffed003b5e46d2 R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001 R13: ffff8801b098fc88 R14: 0000000000003fff R15: ffff8801b3150280 tls_sw_sendmsg+0xf34/0x12e0 net/tls/tls_sw.c:448 inet_sendmsg+0x19f/0x690 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:629 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:639 __sys_sendto+0x3d7/0x670 net/socket.c:1789 __do_sys_sendto net/socket.c:1801 [inline] __se_sys_sendto net/socket.c:1797 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1797 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455a09 RSP: 002b:00007fd680563c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fd6805646d4 RCX: 0000000000455a09 RDX: 00000000fffffdef RSI: 00000000200005c0 RDI: 0000000000000013 RBP: 000000000072bea0 R08: 0000000020000000 R09: 000000000000001c R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000005d8 R14: 00000000006fdce0 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..