rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 1, t=10502 jiffies, g=244001, q=90)
rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4295113970-4295103467), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-executor.0  R  running task    26384 25733   9174 0x00004000
Call Trace:
 <IRQ>
 sched_show_task kernel/sched/core.c:5286 [inline]
 sched_show_task.cold+0x291/0x2fc kernel/sched/core.c:5261
 print_other_cpu_stall kernel/rcu/tree_stall.h:410 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:536 [inline]
 rcu_pending kernel/rcu/tree.c:2625 [inline]
 rcu_sched_clock_irq.cold+0xaaf/0xbfd kernel/rcu/tree.c:2161
 update_process_times+0x32/0x80 kernel/time/timer.c:1639
 tick_sched_handle+0xa2/0x190 kernel/time/tick-sched.c:167
 tick_sched_timer+0x47/0x130 kernel/time/tick-sched.c:1298
 __run_hrtimer kernel/time/hrtimer.c:1389 [inline]
 __hrtimer_run_queues+0x33b/0xdd0 kernel/time/hrtimer.c:1451
 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1509
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1041 [inline]
 smp_apic_timer_interrupt+0x111/0x550 arch/x86/kernel/apic/apic.c:1066
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:806
 </IRQ>
RIP: 0010:fsnotify_perm include/linux/fsnotify.h:62 [inline]
RIP: 0010:security_file_permission+0x12e/0x380 security/security.c:1336
Code: 48 80 fe 45 85 ff 0f 84 7a ff ff ff e8 3b 47 80 fe 48 8d 7b 20 48 b8 00 00 00 00 00 fc ff df 4c 8d 73 10 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 32 02 00 00 48 8d 43 18 44 89 e6 4c 8b 6b 20 48
RSP: 0018:ffff8880a94dfa88 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffff88808efa9000 RCX: ffffc90005b7b000
RDX: 1ffff11011df5204 RSI: ffffffff82f07a25 RDI: ffff88808efa9020
RBP: ffff8880a94dfac0 R08: ffff8880a3d9c240 R09: ffff8880a3d9cae0
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000004
R13: 0000000000000000 R14: ffff88808efa9010 R15: 0000000000000004
 rw_verify_area+0x11e/0x360 fs/read_write.c:399
 do_splice_to+0x88/0x180 fs/splice.c:865
 splice_direct_to_actor+0x2d2/0x970 fs/splice.c:954
 do_splice_direct+0x1da/0x2a0 fs/splice.c:1063
 do_sendfile+0x597/0xd00 fs/read_write.c:1464
 __do_sys_sendfile64 fs/read_write.c:1525 [inline]
 __se_sys_sendfile64 fs/read_write.c:1511 [inline]
 __x64_sys_sendfile64+0x1dd/0x220 fs/read_write.c:1511
 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4592c9
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fa0db830c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00000000004592c9
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000004
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 00008000fffffffe R11: 0000000000000246 R12: 00007fa0db8316d4
R13: 00000000004c689d R14: 00000000004db828 R15: 00000000ffffffff
rcu: rcu_preempt kthread starved for 10540 jiffies! g244001 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_preempt     R  running task    29056    10      2 0x80004000
Call Trace:
 context_switch kernel/sched/core.c:2818 [inline]
 __schedule+0x7cb/0x1560 kernel/sched/core.c:3445
 schedule+0xa8/0x260 kernel/sched/core.c:3509
 schedule_timeout+0x486/0xc50 kernel/time/timer.c:1807
 rcu_gp_fqs_loop kernel/rcu/tree.c:1589 [inline]
 rcu_gp_kthread+0x9b2/0x18b0 kernel/rcu/tree.c:1746
 kthread+0x354/0x420 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352