RAX: ffffffffffffffda RBX: 00007fef51c926d4 RCX: 0000000000455a99
RDX: 0000000000000078 RSI: 0000000020000000 RDI: 0000000000000014
RBP: 000000000072bf48 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015
R13: 00000000004c25e2 R14: 00000000004d3c80 R15: 0000000000000001
INFO: rcu_sched detected stalls on CPUs/tasks:
	(detected by 1, t=120002 jiffies, g=50454, c=50453, q=171)
All QSes seen, last rcu_sched kthread activity 119796 (4295033638-4294913842), jiffies_till_next_fqs=3, root ->qsmask 0x0
syz-executor6   R  running task    60240 14457   4479 0x00000008
Call Trace:
 <IRQ>
 sched_show_task+0x610/0x740 kernel/sched/core.c:5346
 print_other_cpu_stall kernel/rcu/tree.c:1481 [inline]
 check_cpu_stall kernel/rcu/tree.c:1599 [inline]
 __rcu_pending kernel/rcu/tree.c:3356 [inline]
 rcu_pending kernel/rcu/tree.c:3401 [inline]
 rcu_check_callbacks+0x277a/0x2ae0 kernel/rcu/tree.c:2763
 update_process_times+0x132/0x1a0 kernel/time/timer.c:1636
 tick_sched_handle kernel/time/tick-sched.c:164 [inline]
 tick_sched_timer+0x3ba/0x520 kernel/time/tick-sched.c:1274
 __run_hrtimer kernel/time/hrtimer.c:1398 [inline]
 __hrtimer_run_queues+0xc54/0x1630 kernel/time/hrtimer.c:1460
 hrtimer_interrupt+0x451/0x13c0 kernel/time/hrtimer.c:1518
 local_apic_timer_interrupt+0x6b/0x250 arch/x86/kernel/apic/apic.c:1025
 smp_apic_timer_interrupt+0x5a/0x90 arch/x86/kernel/apic/apic.c:1053
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:866
 </IRQ>
RIP: 0010:msan_get_shadow_origin_ptr+0x33/0x230 mm/kmsan/kmsan_instr.c:240
RSP: 0000:ffff8801b9fdf630 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffffffff8b58c000 RBX: ffffffff8b58a000 RCX: ffff8800a9999d40
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8801b9fdf6f8
RBP: ffff8801b9fdf660 R08: 0000000000000000 R09: 0000000000000002
R10: 0000000000000000 R11: ffffffff81174e40 R12: ffff8801b9fdf6f8
R13: 0000000000000000 R14: ffffffff8b589000 R15: ffff8801b9fdf6f8
 __msan_metadata_ptr_for_load_4+0x10/0x20 mm/kmsan/kmsan_instr.c:320
 csd_lock_wait kernel/smp.c:108 [inline]
 smp_call_function_single+0x363/0x4e0 kernel/smp.c:302
 smp_call_function_many+0x662/0xdf0 kernel/smp.c:434
 native_flush_tlb_others+0x4e8/0x500 arch/x86/mm/tlb.c:595
 flush_tlb_mm_range+0x32f/0x450 arch/x86/mm/tlb.c:644
 flush_tlb_page arch/x86/include/asm/tlbflush.h:526 [inline]
 ptep_clear_flush+0x11c/0x1f0 mm/pgtable-generic.c:87
 wp_page_copy+0x1608/0x2470 mm/memory.c:2529
 do_wp_page+0xe83/0x2fa0 include/linux/spinlock_api_smp.h:152
 handle_pte_fault mm/memory.c:3981 [inline]
 __handle_mm_fault mm/memory.c:4089 [inline]
 handle_mm_fault+0x33a9/0x7ed0 mm/memory.c:4126
 __do_page_fault+0xec6/0x1a10 arch/x86/mm/fault.c:1400
 do_page_fault+0xb7/0x250 arch/x86/mm/fault.c:1477
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1163
RIP: 0033:0x4074ea
RSP: 002b:0000000000a3e8f0 EFLAGS: 00010246
RAX: 0000000000000005 RBX: 000000000072bff0 RCX: ffffffffffffffff
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000000000072bff0
RBP: 00000000000004e1 R08: 0000000000000002 R09: 0000000000a3ea30
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
R13: 0000000000a3ea30 R14: 000000000072c014 R15: 0000000000000002
rcu_sched kthread starved for 119796 jiffies! g50454 c50453 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0
RCU grace-period kthread stack dump:
rcu_sched       R  running task    61944     9      2 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:2880 [inline]
 __schedule+0x651/0x770 kernel/sched/core.c:3524
 schedule+0x1cc/0x2f0 kernel/sched/core.c:3568
 schedule_timeout+0x3ef/0x580 kernel/time/timer.c:1801
 rcu_gp_kthread+0x21e1/0x38d0 kernel/rcu/tree.c:2231
 kthread+0x4db/0x6c0 kernel/kthread.c:241
 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:413