------------[ cut here ]------------
WARNING: CPU: 0 PID: 8107 at kernel/sched/sched.h:1132 rq_clock_task kernel/sched/sched.h:1132 [inline]
WARNING: CPU: 0 PID: 8107 at kernel/sched/sched.h:1132 update_curr+0x295/0x8a0 kernel/sched/fair.c:847
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 8107 Comm: kworker/0:5 Not tainted 5.8.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events update_pages_handler
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x18f/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:231
 __warn.cold+0x20/0x45 kernel/panic.c:600
 report_bug+0x1bd/0x210 lib/bug.c:198
 exc_invalid_op+0x24d/0x400 arch/x86/kernel/traps.c:235
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:563
RIP: 0010:rq_clock_task kernel/sched/sched.h:1132 [inline]
RIP: 0010:update_curr+0x295/0x8a0 kernel/sched/fair.c:847
Code: 80 3c 02 00 0f 85 5a 05 00 00 4c 01 65 20 e9 af fe ff ff 49 8d 7c 24 18 be ff ff ff ff e8 f3 d3 91 06 85 c0 0f 85 04 fe ff ff <0f> 0b e9 fd fd ff ff 4c 8d 73 80 0f 1f 44 00 00 65 44 8b 2d a3 9c
RSP: 0018:ffffc90000007d98 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffff8880ae735e18 RDI: 0000000000000086
RBP: ffff8880ae735ec0 R08: 0000000000000000 R09: ffffffff89ba31d7
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ae735e00
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880947bc440
 enqueue_entity+0x37a/0x1cf0 kernel/sched/fair.c:4190
 enqueue_task_fair+0x14f/0x18c0 kernel/sched/fair.c:5485
 enqueue_task kernel/sched/core.c:1295 [inline]
 activate_task kernel/sched/core.c:1317 [inline]
 ttwu_do_activate+0x1b2/0x4b0 kernel/sched/core.c:2247
 sched_ttwu_pending+0x16c/0x200 kernel/sched/core.c:2297
 flush_smp_call_function_queue+0x40a/0x6d0 kernel/smp.c:314
 __sysvec_call_function_single+0x98/0x490 arch/x86/kernel/smp.c:248
 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline]
 sysvec_call_function_single+0x18f/0x220 arch/x86/kernel/smp.c:243
 asm_sysvec_call_function_single+0x12/0x20 arch/x86/include/asm/idtentry.h:604
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:765 [inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x8c/0xe0 kernel/locking/spinlock.c:191
Code: 48 c7 c0 40 b5 b4 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 37 48 83 3d ab 3c cd 01 00 74 22 48 89 df 57 9d <0f> 1f 44 00 00 bf 01 00 00 00 e8 45 95 67 f9 65 8b 05 0e 86 1a 78
RSP: 0018:ffffc90016e97cf8 EFLAGS: 00000286
RAX: 1ffffffff13696a8 RBX: 0000000000000286 RCX: 1ffffffff155cd5a
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000286
RBP: ffff8880aa0289a8 R08: 0000000000000000 R09: 0000000000000001
R10: fffffbfff18b175f R11: 0000000000000000 R12: 0000000000000001
R13: ffff8880aa028968 R14: ffff888097eb7c00 R15: ffff8880ae635600
 process_one_work+0x94c/0x1670 kernel/workqueue.c:2269
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415
 kthread+0x3b5/0x4a0 kernel/kthread.c:291
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293
Kernel Offset: disabled