netlink: 5 bytes leftover after parsing attributes in process `syz-executor3'.
sctp: failed to load transform for md5: -2
sctp: failed to load transform for md5: -2
------------[ cut here ]------------
WARNING: CPU: 1 PID: 16 at kernel/kthread.c:87 free_kthread_struct+0xa2/0xe0 kernel/kthread.c:87
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.14.0-rc4-next-20171009+ #33
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+0x1e4/0x41c kernel/panic.c:181
 __warn+0x1c4/0x1e0 kernel/panic.c:544
 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:free_kthread_struct+0xa2/0xe0 kernel/kthread.c:87
RSP: 0018:ffff8801d9fe7730 EFLAGS: 00010206
RAX: 0000000080000100 RBX: ffff8801c2d9e580 RCX: 1ffff1003b3fceda
RDX: ffff8801d9fd8440 RSI: 0000000000000000 RDI: ffff8801c2d9e708
RBP: ffff8801d9fe7738 R08: ffffffff8593c5c0 R09: 1ffff1003b3fcecd
R10: ffff8801d9fd8440 R11: 0000000000000001 R12: 1ffff1003b3fcee9
R13: 1ffff1003b3fceed R14: 0000000000000000 R15: ffff8801d9fe77a8
 free_task+0x134/0x1a0 kernel/fork.c:386
 __put_task_struct+0x229/0x3b0 kernel/fork.c:665
 put_task_struct include/linux/sched/task.h:95 [inline]
 delayed_put_task_struct+0xca/0x3d0 kernel/exit.c:180
 __rcu_reclaim kernel/rcu/rcu.h:195 [inline]
 rcu_do_batch kernel/rcu/tree.c:2691 [inline]
 invoke_rcu_callbacks kernel/rcu/tree.c:2945 [inline]
 __rcu_process_callbacks kernel/rcu/tree.c:2912 [inline]
 rcu_process_callbacks+0xd74/0x17d0 kernel/rcu/tree.c:2929
 __do_softirq+0x29d/0xbb2 kernel/softirq.c:284
 run_ksoftirqd+0x50/0x100 kernel/softirq.c:676
 smpboot_thread_fn+0x450/0x7c0 kernel/smpboot.c:164
 kthread+0x3c9/0x4b0 kernel/kthread.c:242
 ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:431
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..