rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1):
------------[ cut here ]------------
IRQs not enabled as expected
WARNING: CPU: 1 PID: 1493 at kernel/sched/core.c:2664 try_invoke_on_locked_down_task+0x219/0x380 kernel/sched/core.c:2664
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 1493 Comm: syz-executor.4 Not tainted 5.7.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x188/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x35 kernel/panic.c:582
 report_bug+0x27b/0x2f0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:105 [inline]
 fixup_bug arch/x86/kernel/traps.c:100 [inline]
 do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:197
 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:216
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:try_invoke_on_locked_down_task+0x219/0x380 kernel/sched/core.c:2664
Code: 00 00 85 c9 0f 85 e4 fe ff ff 80 3d ed d8 34 09 00 0f 85 d7 fe ff ff 48 c7 c7 80 2a 2b 88 c6 05 d9 d8 34 09 01 e8 0f 35 f4 ff <0f> 0b e9 bd fe ff ff 48 8d 74 24 30 48 89 ef 49 c7 c6 40 7a 03 00
RSP: 0000:ffffc90000da8c18 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 1ffff920001b5185 RCX: 0000000000000000
RDX: 0000000000010000 RSI: ffffffff815cdc37 RDI: fffff520001b5175
RBP: ffff888000928580 R08: ffff88821040a540 R09: ffffed1015ce45f1
R10: ffff8880ae722f83 R11: ffffed1015ce45f0 R12: ffffffff81605f80
R13: ffffc90000da8d40 R14: ffff88821040a540 R15: dffffc0000000000
 rcu_print_task_stall kernel/rcu/tree_stall.h:269 [inline]
 print_other_cpu_stall kernel/rcu/tree_stall.h:477 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:636 [inline]
 rcu_pending kernel/rcu/tree.c:3471 [inline]
 rcu_sched_clock_irq.cold+0x928/0xd25 kernel/rcu/tree.c:2486
 update_process_times+0x25/0x60 kernel/time/timer.c:1727
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:176
 tick_sched_timer+0x4e/0x140 kernel/time/tick-sched.c:1320
 __run_hrtimer kernel/time/hrtimer.c:1520 [inline]
 __hrtimer_run_queues+0x5ca/0xed0 kernel/time/hrtimer.c:1584
 hrtimer_interrupt+0x312/0x770 kernel/time/hrtimer.c:1646
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1080 [inline]
 smp_apic_timer_interrupt+0x15b/0x600 arch/x86/kernel/apic/apic.c:1105
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:759 [inline]
RIP: 0010:lock_release+0x45f/0x800 kernel/locking/lockdep.c:4936
Code: 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 0b 03 00 00 48 83 3d ed 2b 3b 08 00 0f 84 71 01 00 00 48 8b 3c 24 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
RSP: 0000:ffffc9001cd07af8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff1329440 RBX: 1ffff920039a0f62 RCX: 1ffff110420815bf
RDX: dffffc0000000000 RSI: 1ffff110420815c1 RDI: 0000000000000282
RBP: ffff88821040a540 R08: 0000000000000001 R09: fffffbfff15135e9
R10: ffffffff8a89af47 R11: fffffbfff15135e8 R12: ffffffffffffffff
R13: ffffffff81a06d3f R14: ffff88821040ae00 R15: 0000000000000001
 __might_fault mm/memory.c:4814 [inline]
 __might_fault+0x190/0x1d0 mm/memory.c:4799
 __copy_to_user include/linux/uaccess.h:99 [inline]
 save_xstate_epilog arch/x86/kernel/fpu/signal.c:95 [inline]
 copy_fpstate_to_sigframe+0x8d7/0xb40 arch/x86/kernel/fpu/signal.c:207
 get_sigframe.isra.0+0x47f/0x730 arch/x86/kernel/signal.c:273
 __setup_rt_frame arch/x86/kernel/signal.c:449 [inline]
 setup_rt_frame arch/x86/kernel/signal.c:701 [inline]
 handle_signal arch/x86/kernel/signal.c:745 [inline]
 do_signal+0xd28/0x2240 arch/x86/kernel/signal.c:812
 exit_to_usermode_loop+0x26c/0x360 arch/x86/entry/common.c:161
 prepare_exit_to_usermode+0x2f6/0x3d0 arch/x86/entry/common.c:196
 ret_from_intr+0x26/0x2b
RIP: 0033:0x405dd9
Code: d0 ff ff ff 01 48 8b 7c 24 28 c7 44 24 34 00 00 00 00 e8 0a ef 01 00 85 c0 75 23 48 6b 44 24 20 18 8b 7c 24 1c 48 03 44 24 38 <48> 8b 48 10 48 8b 50 08 48 8b 30 e8 a7 0a 01 00 89 44 24 34 64 f0
RSP: 002b:00007fdd91b5ca70 EFLAGS: 00010206
RAX: 000000002165abd8 RBX: 0000000000508b00 RCX: 00000000004168c7
RDX: ddedd0b8cc6892dd RSI: 0000000000000000 RDI: 0000000000000006
RBP: 000000000078bfa0 R08: 00007fdd91b5ca70 R09: 000000000078bfa0
R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffff
R13: 0000000000000bf2 R14: 00000000004ce391 R15: 00007fdd91b5d6d4
Kernel Offset: disabled
Rebooting in 86400 seconds..