WARNING: CPU: 1 PID: 11666 at lib/iov_iter.c:863 iov_iter_revert+0x63b/0x1230 lib/iov_iter.c:863
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 11666 Comm: syz-executor6 Not tainted 4.17.0+ #6
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+0x185/0x1d0 lib/dump_stack.c:113
 panic+0x3d0/0x990 kernel/panic.c:184
 __warn+0x40f/0x580 kernel/panic.c:536
 report_bug+0x72a/0x880 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 do_error_trap+0x1c1/0x620 arch/x86/kernel/traps.c:298
 do_invalid_op+0x46/0x50 arch/x86/kernel/traps.c:317
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:992
RIP: 0010:iov_iter_revert+0x63b/0x1230 lib/iov_iter.c:863
RSP: 0018:ffff88010cd9f810 EFLAGS: 00010283
RAX: ffffffff83fce06b RBX: 00000000fffffef0 RCX: 0000000000040000
RDX: ffffc900029a1000 RSI: 0000000000000588 RDI: 0000000000000589
RBP: ffff88010cd9f8f8 R08: 000000000000011c R09: 0000000000000002
R10: 0000000000000000 R11: ffffffff87d630f0 R12: 0000000000000000
R13: ffff88011e1c2618 R14: ffff88011e1c2618 R15: 0000000000000000
 tls_sw_sendmsg+0xe85/0x20e0 net/tls/tls_sw.c:448
 inet_sendmsg+0x3fc/0x760 net/ipv4/af_inet.c:798
 sock_sendmsg_nosec net/socket.c:629 [inline]
 sock_sendmsg net/socket.c:639 [inline]
 sock_write_iter+0x3bc/0x470 net/socket.c:908
 call_write_iter include/linux/fs.h:1784 [inline]
 new_sync_write fs/read_write.c:474 [inline]
 __vfs_write+0x808/0x9f0 fs/read_write.c:487
 vfs_write+0x467/0x8c0 fs/read_write.c:549
 ksys_write fs/read_write.c:598 [inline]
 __do_sys_write fs/read_write.c:610 [inline]
 __se_sys_write fs/read_write.c:607 [inline]
 __x64_sys_write+0x1bf/0x3e0 fs/read_write.c:607
 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x455b29
RSP: 002b:00007f1572c1dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1572c1e6d4 RCX: 0000000000455b29
RDX: 0000000000000042 RSI: 0000000020000080 RDI: 0000000000000013
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004c2528 R14: 00000000004d3630 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..