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do_IRQ(): syz-executor2 has overflown the kernel stack (cur:ffff8801aa890000,sp:ffff8801aa88d6c8,irq stk top-bottom:ffff8801db300080-ffff8801db308000,exception stk top-bottom:fffffe0000038080-fffffe0000042000,ip:_raw_spin_unlock_irqrestore+0x5e/0xba)
WARNING: CPU: 1 PID: 28339 at arch/x86/kernel/irq_64.c:63 stack_overflow_check arch/x86/kernel/irq_64.c:60 [inline]
WARNING: CPU: 1 PID: 28339 at arch/x86/kernel/irq_64.c:63 handle_irq+0x20b/0x300 arch/x86/kernel/irq_64.c:72
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 28339 Comm: syz-executor2 Not tainted 4.16.0-rc2+ #241
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x24d lib/dump_stack.c:53
 panic+0x1e4/0x41c kernel/panic.c:183
 __warn+0x1dc/0x200 kernel/panic.c:547
 report_bug+0x211/0x2d0 lib/bug.c:184
 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:178
 fixup_bug arch/x86/kernel/traps.c:247 [inline]
 do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
 invalid_op+0x58/0x80 arch/x86/entry/entry_64.S:957
RIP: 0010:stack_overflow_check arch/x86/kernel/irq_64.c:60 [inline]
RIP: 0010:handle_irq+0x20b/0x300 arch/x86/kernel/irq_64.c:72
RSP: 0018:ffff8801db307f58 EFLAGS: 00010082
RAX: dffffc0000000008 RBX: ffff8801d28f7200 RCX: ffffffff815abe7e
RDX: 0000000000010000 RSI: 1ffff1003b660f9b RDI: 1ffff1003b660f70
RBP: ffff8801db307fb0 R08: 0000000000000000 R09: 1ffff1003b660f42
R10: 1ffff10035511ad3 R11: 0000000000000015 R12: fffffe0000042000
R13: fffffe0000038080 R14: 000000000000002a R15: 0000000000000000
 do_IRQ+0x78/0x190 arch/x86/kernel/irq.c:238
 common_interrupt+0x8e/0x8e arch/x86/entry/entry_64.S:576
 </IRQ>
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..